April 18th, 2014

April 2014 CEP Preview

By Karen Simpson | Comments (0)
CEP April 2014 Cover

This month, CEP turns an eye to industrial water reuse. You’ll also find best practices for pilot-plant piping, a look at Italy’s chemical industry, and much more.

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March 28th, 2014

Making Fracking Water Drinkable Again

By Kent Harrington | Comments (0)
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Oasys Water can recycle fracking water, reducing water disposal by 80 percent and cutting the cost by up to 30 percent, thus making it cheaper than hauling water away.

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March 26th, 2014

Can Israel Save California from Its Epic Drought?

By Kent Harrington | Comments (0)
1024px-Reverse_osmosis_desalination_plant 7
This entry is part 4 of 4 in the series Water Innovations

As California runs low on potable water amidst a severe drought that has led to forest fires and idle farmland, desalination and drip irrigation could help.

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February 7th, 2014


By Kent Harrington | Comments (1)
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BIAXIN FOR SALE, Finding enough clean water is a growing problem around the world. Sunny, BIAXIN use, arid California is no different. In the state's drought-prone San Joaquin Valley, which produces about 8% of the country’s produce, BIAXIN without prescription, thousands of acres of once-fertile farmland lay fallow. BIAXIN without a prescription, Too much salinity has made the irrigation water unusable, with some collected samples saltier than seawater. A study by the University of California estimates that the region could be facing remediation costs of up to $1.5bn by 2030 and the loss of up to 64, BIAXIN cost,000 jobs as agricultural production slides.

The problem is caused partly by irrigation, which picks up salts naturally found in the region's soils, and it's exacerbated by tidally effected water pumped in from the Sacramento-San Joaquin Delta, BIAXIN FOR SALE. Purchase BIAXIN online, So why hasn’t desalination been used. Cost. The energy required is too expensive, BIAXIN from mexico. For example, Purchase BIAXIN online no prescription,  in 1992, according to Rewire energy blog, after a drought threatened coastal Santa Barbara's water supply, BIAXIN australia, uk, us, usa, the city built a desalination plant capable of purifying 2.8 million gallons of water a day. BIAXIN FOR SALE, But as soon as the drought ended, the plant was declared too expensive to run and quickly mothballed. Order BIAXIN online c.o.d, That's because most traditional desalination relies on costly reverse osmosis, which was developed decades ago and uses high pressure to drive the freshwater through a membrane, leaving salty brine behind, where can i buy cheapest BIAXIN online. With up to 1, Canada, mexico, india, 000 psi required to overcome the natural osmotic pressure of salt water, the practical limit is only a 50% water recovery. To purify more than 50% requires more pressure from expensive electricity, australia, uk, us, usa.

Hope from solar energy

But there is one bright spot. California-based WaterFX, a small startup, has brought a CSP-desalination facility online in Central California's Panoche Water District, BIAXIN FOR SALE. BIAXIN results, After six months in operation, the 6,500 square-foot, order BIAXIN from mexican pharmacy, solar-powered facility has produced up to 500 gallons of clean water per hour. Is BIAXIN safe, Following on the pilot’s success, the Water District has now agreed to expand the system to produce 2,200 acre-feet per year, BIAXIN samples.

"We wanted it to be highly modular and highly scalable so the same system is usable for very small applications all the way up to very large scale, BIAXIN description, " Aaron Mandell, founder and chairman of WaterFX, told the Guardian, BIAXIN over the counter.

Unlike conventional reverse osmosis, Where can i buy BIAXIN online, WaterFx's parabolic solar troughs concentrate the sun’s energy on a pipe containing heat transfer fluid that is used in a distillation process to evaporate clean water from the salty drainage water. BIAXIN FOR SALE, And since the sun doesn’t always shine, a thermal storage system is also used to hold the excess heat so that the process can run around the clock. Mandell explains in a company video:

Impressive initial results

For Aaron Mandell, the project began as an experiment to see if he could break the link between fuel consumption and water production, cheap BIAXIN. The results have been impressive:
We are not just recovering 50% of water, Buy BIAXIN no prescription, but we get over 95% useable water, which goes back to farming.  What remains are salts, chemicals, buy BIAXIN from canada, fertilizers.

Mandell also feels that his solar-based technology can succeed on cost. Generic BIAXIN, While fuel in traditional reverse osmosis represents 60-70% of the costs, he says that WaterFx at scale can be at least 20-30% cheaper. Total operating costs are approximately $450 acre-foot, online buying BIAXIN, and he expects that to decline as the facility scales up. For Mandel:
...the logical cost comparison is the Carlsbad desalination plant in San Diego (which will use reverse osmosis when it opens) where the total operating cost is about $900 per acre foot and can rise based on electricity prices.

Looking into the future, Mandell believes that WaterFX has a cost-effective, environmentally superior approach, BIAXIN FOR SALE. About BIAXIN, Since it only takes about 6 months to build the modular plant:
...the idea is for everything to be easily installable and fully automated. You don’t need skilled operators. We hope to show that this solution can benefit everybody.  The idea here is to begin to reuse water, and put the state on a path to water independence. And its good for the economy – we can create an entirely new industry.

Is this also a remedy for high energy costs?

Photos: various, WaterFx

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November 13th, 2013


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On Location BUY VIAGRA ORAL JELLY NO PRESCRIPTION, As chemical engineers consider the economic impact of current and future plant processes, they should evaluate the concept of Techno-Ecological Synergy (TES) for mitigating undesirable outputs from the plant.

Ecosystems services

Natural ecosystems provide humankind with a myriad of economically beneficial services including:

  • Provisioning: Minerals, VIAGRA ORAL JELLY mg, fresh water, biochemicals, biomass, VIAGRA ORAL JELLY cost, wood fuel and fiber.

  • Regulating: Air and water cleansing, Buy VIAGRA ORAL JELLY without prescription, climate and flood regulation.

  • Cultural: Educational, symbolic, recreational, VIAGRA ORAL JELLY steet value, and spiritual.

  • Supporting: Nutrient cycling, Where can i find VIAGRA ORAL JELLY online, primary production and soil formation.

Techno-Ecological Synergy

The challenge (i.e., opportunity) presented is to utilize natural ecosystem services in a proactive and designed way to mitigate and support the technological manufacturing and processing operations. This involves thinking "inside the fence" with respect to utilizing natural elements in the overall process flow diagram, buy VIAGRA ORAL JELLY from canada.

[caption id="attachment_71590" align="aligncenter" width="470" caption="Click to Enlarge"]Biosystems as Unit Ops[/caption]

For example, VIAGRA ORAL JELLY without a prescription, utilization of a wetland on the plant property can greatly reduce the technical requirement of any wastewater and storm water treatment systems, while also providing biomass, CO2 uptake and flow control all within the ecosystem itself, VIAGRA ORAL JELLY from canadian pharmacy. In a similar manner, VIAGRA ORAL JELLY use, forested areas on the plant property can help in reducing CO2, NOx and SOx emissions, while providing oxygen, buying VIAGRA ORAL JELLY online over the counter, biomass, VIAGRA ORAL JELLY coupon, fuels, and raw materials for the production processes.

A case study

A bio-diesel facility in Cincinnati, OH, VIAGRA ORAL JELLY class, was modeled using ChemCAD to assess the positive impact that TES could have on the facility. Like most chemical manufacturing plants, the facility was essentially buildings, tanks, and equipment on an otherwise barren plot of land, BUY VIAGRA ORAL JELLY NO PRESCRIPTION. VIAGRA ORAL JELLY photos, In assessing the inputs and outputs of the plant, and the available land and climate, inclusion of a wetland and forest ecosystems on the property were evaluated for their long term ability to "cover" the outputs from the plant including CO2, VIAGRA ORAL JELLY online cod, SOx, VIAGRA ORAL JELLY no prescription, NOx, ozone, etc, VIAGRA ORAL JELLY pharmacy.

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On the 23 acre site, Ordering VIAGRA ORAL JELLY online, 6.54 acres were planted (downwind as much a possible) with silver fir, a local tree species that would provide for the air contaminant process capacity and also would provide biomass and/or fuel to mitigate CO2 emissions. 5.1 acres of the site were designated for overflow wetlands areas, get VIAGRA ORAL JELLY, between the plant and the Ohio River. Where to buy VIAGRA ORAL JELLY, The wetlands provided for additional air contaminants processing capacity along with its primary function for water treatment.

Since forests aren't planted at a mature state, the ability of the ecosystems to "process" the outputs started low and increased over time. BUY VIAGRA ORAL JELLY NO PRESCRIPTION, In the process simulations at the 20-year mark, the TES approach accounted for at/over 100% ability to deal with the SOx, NOx, ozone and particulate matter effluents from the plant, without any traditional unit operations equipment needed.

Future challenges

Although the TES appraoch is a win-win situation, australia, uk, us, usa, and the flexibility and sustainability factors are very appealing, Where can i buy cheapest VIAGRA ORAL JELLY online, there are many challenges to its implementation. Remember that ecosystems are by definition self-designing (vs. imposed), VIAGRA ORAL JELLY used for, they are under distributed control (vs. Where can i order VIAGRA ORAL JELLY without prescription, centralized) and potentially unpredictable. The task is to harness and utilize these "forces of nature" for the benefit of all, BUY VIAGRA ORAL JELLY NO PRESCRIPTION.

Bhavik R. BakshiFor more information, buy VIAGRA ORAL JELLY online cod, contact Dr. Japan, craiglist, ebay, overseas, paypal, Bhavik R. Bakshi at The Ohio State University.

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September 27th, 2013


By Cory Jensen | Comments (0)

NIZORAL FOR SALE, The International Congress on Sustainability Science and Engineering (ICOSSE) met for the third time in Cincinnati, OH, on August 11-15. The Congress opened with a presentation from Vice Mayor of Cincinnati, Where can i find NIZORAL online, Roxanne Qualls. Her opening talk focused on how Cincinnati is an epicenter of water-centric research and history. The Vice Mayor noted that Cincinnati is embedded in the annals of municipal water treatment history by being the second metropolitan area to deploy activated carbon water treatment technology (second to Paris), NIZORAL price, coupon, by having a water quality station in operation since 1913, Cheap NIZORAL, and as the birthplace of the Streeter-Phelps equation where studies were done on the Ohio River in 1925.

Additional sustainable highlights of the state of Ohio includes per capita lead in the nation in LEED certified buildings, although little mention was made to specific energy metrics, benchmarking of the impact that LEED buildings and associated operations have, NIZORAL natural. Several of the city of Cincinnati’s sustainability action plan details were discussed, NIZORAL canada, mexico, india, in particular noting civic garden centers to alleviate food deserts and the support of car-optional lifestyles via a car-sharing service and bike-share program.

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One of the dominant question of the event was water's central role in climate change. Many coastal water plants are near sea level and could be susceptible to major storm events and rising sea levels, purchase NIZORAL online. Water use will be stressed globally due to forecasts of population increases from 1.6 billion people to approximately 2.8 by 2025. Fast shipping NIZORAL, Further, approximately 40% of food is currently produced on irrigated lands (putting pressure on water supplies, which are not all managed sustainably) and it is estimated that the US will require over $600 billion for water infrastructure in the same timeframe, NIZORAL without prescription.

Critical materials

NIZORAL FOR SALE, Twice over the course of the 2013 summer I have had a chance to interact with David J.C. Constable, Buy NIZORAL without prescription, who is the Director of the American Chemistry Society’s Green Chemistry Institute. For those interested in a forum for green chemistry and a multidisciplinary discussion including policy issues, check out the newsletter that ACS offers, NIZORAL from mexico. As chemical engineers, Real brand NIZORAL online, we share a common language with chemists and often make use of chemistry skills to perform our individual ChE roles. David’s speech at the Congress highlighted relevant areas for making chemical manufacture more sustainable. Here are a few of the main points:

  • There are five-year to 50-year reserves of the following minerals, which the greatest emphasis on those in bold: Zn, Ga, Ge, As, Rh, Ag, In, Sn, Sb, Au, Hf.

  • Critical minerals and the US economy rely heavily on South Africa and Russia.

  • Reference to a treatise on a nutrient life requires but is in scare supply: phosphorus (Elser, J, NIZORAL FOR SALE. Nature 2011 478 (7367): 29.)

  • Inspired question: How can we re-envision common unit operations (i.e, online NIZORAL without a prescription. batch reactors, Purchase NIZORAL for sale, distillation, and crystallization) to support process intensification?

  • All science starts as science fiction. The author would like to point out Feynman’s talk (“There’s Plenty of Room at the Bottom.”
 Richard Feynman, about NIZORAL, Pasadena, NIZORAL use, 29 December 1959).

  • Green Chemistry Simplified – 1) maximize resource efficiency, 2) eliminate and minimize hazards and pollution, 3) apply systems level thinking holistically (i.e, buying NIZORAL online over the counter. life cycle thinking).

Hopefully these bullet points illustrate some critical focus areas for chemical engineering innovation. NIZORAL FOR SALE, After some of my study in the area of science technology studies, I realize that action to implement some of this change may not seem popular or welcomed; however, it was noted during Dr. Buy generic NIZORAL, Constable’s talk that outcomes from such endeavors could have Nobel implications.

[caption id="attachment_69911" align="alignnone" width="470" caption="The 2013 ACS Green Chemistry Summer Workshop T-shirt"][/caption]


Making a comeback: ChE fundamentals and a new spin

There was a new spin put on poster presentations, with a rapid-fire format, NIZORAL schedule, which involved all poster presenters giving a 90-second (maximum) introduction to their posters to the Congress. Get NIZORAL, The thought is that this would help those attending identify presenters they would like to visit during the poster session. The practice also develops presenters skills that can be likened to an elevator speech (a skill sought in AAAS fellows) or preparing the presentation of transformative-disruptive science (e.g., publication in high impact journals), order NIZORAL online overnight delivery no prescription.

Also spotted at the Congress was the well-known AIChE pocket book, but don’t call it a comeback….yet, NIZORAL FOR SALE. The pocket book contains some of the basic equations and relationships that chemical engineers use and fundamental mathematical relationship as part of the profession. Kjøpe NIZORAL på nett, köpa NIZORAL online, [caption id="attachment_69912" align="alignleft" width="470" caption="Back to Basics, the AIChE Pocket Handbook made a comeback. Maybe we'll see an update of some of this knowledge, online buy NIZORAL without a prescription, or even an app?"][/caption]

A presentation by Dr. Ordering NIZORAL online, Jeff Seay on the topic of sustainability credentialing being undertaken by the Institute suggests that sustainability and chemical engineering education, as a part of AIChE, will have at least 10 focus areas, buy NIZORAL from mexico. The author wonders if this could be a point in time where the pocket book possibly gets an upgrade and if professional topics such as ethics will actually be incorporated. NIZORAL results, With the mind-numbing assortment of electronic mind games available for your smart phone, maybe there are some professional training tools the AIChE, NCEES, and NSPCE could develop that would actually move similar interests forward.

Did you attend. What were the highlights for you?

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September 25th, 2013


By Kent Harrington | Comments (0)
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BUY BARBITAL NO PRESCRIPTION, The water crisis in Dawson Creek, British Columbia, had been growing more and more severe for years. By 2010, Get BARBITAL, an extended drought, aggravated by a growing population and fracking from the nearby natural gas industry, had nearly pushed the small city to its dry-bone limit, online buy BARBITAL without a prescription. Unfortunately, Order BARBITAL no prescription, over the next two years, the situation got even worse.

By the summer of 2012, real brand BARBITAL online, surrounded by brown lawns, Purchase BARBITAL online no prescription,  Mike Bernier, the besieged Mayor of Dawson Creek, lamented, effects of BARBITAL, “We’ve gone three months without rain up here." Outside of his small town, About BARBITAL, which is located about 700 miles northeast of Vancouver, many creeks had dried up and rivers had dropped to their lowest levels in 20 years. So later that summer, the city finally told the natural gas industry, buy BARBITAL online cod, which had been drawing one million gallons a day from the local drinking water, Where to buy BARBITAL, they'd been cut off.

Mayor Bernier explained the city's predicament, "Depending on the day, no prescription BARBITAL online, 20 to 25 percent of our pump station water is going for oil and gas." This had been a painful decision for the city, Online BARBITAL without a prescription, which normally made “millions of dollars” a year selling water to the industry for fracking.

A small price to pay for water security

Only one company, Shell Canada, managed to escape the drastic cutoff, by tapping into a different water source: city waste water, BUY BARBITAL NO PRESCRIPTION. Shell’s Groundbirch natural gas facility, one of the city's biggest water users, purchase BARBITAL online, was located about 30 miles away and had five natural gas processing plants and over 250 wells. Buy BARBITAL from mexico, Competing with other regional gas drillers, Shell had felt an urgent need to find an alternative.

So the company and the city of Dawson Creek teamed up to build an effluent treatment facility that eliminated Shell's need to tap fresh water for fracking. As a small price to pay for water security, where can i order BARBITAL without prescription, Shell invested $11 million in the project while the city provided $1.5 million. What is BARBITAL, Mayor Mike Bernier said that Shell had offered to fund the treatment plant in return for a secure supply of water for a decade. BUY BARBITAL NO PRESCRIPTION, Later in 2012, as the region reeled from the drought, Bernier dedicated the city's completed water treatment plant. Not only did the city of Dawson Creek save water every time a toilet flushed, but Shell Canada could continue to operate, BARBITAL pharmacy, while other gas projects were in jeopardy of shutting down. Where can i buy BARBITAL online,

Upgrading water treatment

Previously, Dawson Creek had been treating its effluent (waste water) to minimum environmental standards by releasing it into a local river. Now, japan, craiglist, ebay, overseas, paypal, with an increased capacity of 4, BARBITAL samples, 000 cubic yards a day (3,400 going to Shell) the city was using its allotment to do things such as wash roads and water sports fields, and now it could even sell it to other drillers, buy BARBITAL without prescription.

This valuable water is created by a combination of biological steps. After a multi-step lagoon filtration process, the water is sent to SAGR cells (the Submerged Attached Growth Reactor), where microorganisms in the water break down any remaining bacteria to bring water up to a standard acceptable for industrial use, BUY BARBITAL NO PRESCRIPTION. Buy cheap BARBITAL no rx,

Piping water to Groundbirch

“It’s a win-win for both parties. The plant allowed Shell water for their operation but also left some for the city to use or sell,” said Russ Ford, executive vice-president of Shell’s onshore oil and gas business, order BARBITAL from United States pharmacy.

Shell even built a pipeline to move the water from the treatment plant 30 miles to the Groundbirch area, BARBITAL online cod, where it's stored in ponds and mixed with recycled production water. By piping the water instead of trucking it, Shell reduced traffic, BARBITAL mg, noise and dust, BARBITAL maximum dosage, while eliminating 2 million miles of truck trips a year. The following video explains the process and benefits:

Mayor Bernier explained, “Now, instead of being dumped back into that river, we have about 3,600 cubic yards of water a day going through this plant that can be used for fracking," adding, "and since it also brought the city’s effluent up to grey-water standards, there isn’t a project like this anywhere else in Canada."

“Through this partnership … we're  eliminating fresh water from our operations, and providing the city with an additional source of revenue, while reducing two-million miles a year in truck traffic from local roads,” said Lorraine Mitchelmore, Shell Canada’s president.

A Shell press release reaffirmed the company's bottom line:

Shell considers the world’s water, energy, and food systems to be tightly linked: water is needed to extract energy; energy is needed to treat and transport water; and both water and energy are needed to grow food. Shell strives to conserve water in its operations through the development of new technologies and processes...

How quickly will the entire industry adopt this system?

Photo: Various, Royal Dutch Shell

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September 23rd, 2013


By Douglas Clark | Comments (2)

BUY VIAGRA NO PRESCRIPTION, According to a new research, triclosan, a product many of us come into contact with multiple times a day, is having a detrimental effect on the environmental. VIAGRA over the counter, The product, invented in the 1960s to stop or slow the growth of bacteria, VIAGRA canada, mexico, india, VIAGRA brand name, fungi, and mildew in the operating room, VIAGRA duration, Where can i buy cheapest VIAGRA online, is now found in about half of liquid soaps, and is frequently used in toothpastes, order VIAGRA online overnight delivery no prescription, VIAGRA for sale, deodorants, costmetics, VIAGRA recreational, Buy VIAGRA no prescription, detergents and other common products. When the chemical enters the water system, VIAGRA dosage, VIAGRA class, its efficiency works against naturally occurring bacteria, upsetting the ecosystem, VIAGRA from mexico. Cheap VIAGRA no rx, Emma Rosi-Marshall, one of the paper's authors and an aquatic ecologist at the Cary Institute of Ecosystem Studies in Millbrook, doses VIAGRA work, Buy VIAGRA online no prescription, New York, explained in a press release from the Institute, VIAGRA treatment, VIAGRA without prescription, "Not only does it disrupt aquatic life by changing native bacterial communities, but it's linked to the rise of resistant bacteria that could diminish the usefulness of important antibiotics."

With colleagues from Loyola University and the Illinois Sustainable Technology Center, VIAGRA description, Buy VIAGRA from canada, Rosi-Marshall explored how bacteria living in stream and river sediments responded to triclosan in both natural and controlled settings. Field studies were conducted at three sites in the Chicago metropolitan region, buy VIAGRA without a prescription.

Certain types of sewage systems implicated

Urbanization was correlated with a rise in both triclosan concentrations in sediments and the proportion of bottom-dwelling bacteria resistant to triclosan, BUY VIAGRA NO PRESCRIPTION. VIAGRA forum, A woodland creek had the lowest levels of triclosan-resistant bacteria, while a site in the study that was downstream of 25 combined sewer overflows had the highest levels, where can i cheapest VIAGRA online. VIAGRA natural, Combined sewers deliver domestic sewage, industrial wastewater, VIAGRA no prescription, VIAGRA alternatives, and storm water to a regional treatment plant using a single pipe. Overflows occur when a pipe's capacity is exceeded, typically due to excessive runoff from high rainfall or snowmelt events. The result: untreated sewage flows directly into rivers and streams.

Nearly 800 cities in the United States rely on combined sewer overflows, with the Environmental Protection Agency citing them as a major water pollution concern.

You can read the full paper in the journal Environmental Science and Technology. To read the full press release about the study, click here.

Is triclosan overused, or is water treatment the real issue?

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September 20th, 2013


By Kent Harrington | Comments (5)
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BUY WYMOX NO PRESCRIPTION, Alarmingly, clean drinking water is becoming a severe global security issue. Competition for water is leading to instability and state failure, WYMOX street price, Purchase WYMOX for sale, with Syria the most recent example. Between now and 2040, WYMOX used for, Buy generic WYMOX, as the availability of fresh water evaporates due to population growth, agriculture, order WYMOX from mexican pharmacy, Where can i find WYMOX online, industry and urbanization, more people will fight just to survive on the lowest rungs of society.

Among wealthier countries like Israel and Saudi Arabia, is WYMOX safe, WYMOX reviews, when fresh ground water isn’t available, water is diverted from nearby oceans or rivers into desalination plants where the salt is removed through a relatively new process called reverse osmosis, WYMOX overnight, Purchase WYMOX, which produces clean drinking water.

Before the adoption of reverse osmosis, WYMOX images, Generic WYMOX, the main process of desalination had been “multistage flash distillation,” which uses heat to evaporate water, is WYMOX addictive, WYMOX use, leaving the salt behind. That accounted for 80% of all desalination installations until the 1990s, WYMOX dose.

Currently, reverse osmosis is the most popular desalination technology, where water is pumped through membranes to purify it by trapping larger particles and letting the fresh, salt-free water through pores to the other side, BUY WYMOX NO PRESCRIPTION. WYMOX no rx, Unfortunately, both methods are energy intensive, buying WYMOX online over the counter, Low dose WYMOX, making them costly and preventing poorer countries from building the necessary desalination plants. But a new technology may have leap-frogged over problem, kjøpe WYMOX på nett, köpa WYMOX online. WYMOX gel, ointment, cream, pill, spray, continuous-release, extended-release, Reuters reports:

Engineers at US-based Lockheed Martin Corp say they have found a way to slash the amount of energy needed to remove salt from seawater, potentially making it much cheaper to produce clean water, herbal WYMOX, Effects of WYMOX, and possibly eliminating water scarcity as a global issue.

The process, which uses thin graphene sheets, WYMOX steet value, WYMOX no rx, would enable filter manufacturers to produce thin membranes with holes about a nanometer in size that are large enough to allow water to pass through but small enough to block the molecules of salt in seawater.

One hundred time less energy required

Because the graphene sheets are so thin – just one atom in thickness – it takes much less energy to push the seawater through the filter to separate the salt from the water. This could spare underdeveloped countries from having to build expensive reverse osmosis pumping stations.

"It's 500 times thinner than the best filter on the market today and a thousand times stronger, after WYMOX,"John Stetson, the engineer who has been working on the idea, told Reuters. BUY WYMOX NO PRESCRIPTION, "The energy that's required and the pressure that's required to filter salt is approximately 100 times less."

Stetson, who began working on the issue in 2007, said if the new filter material, known as Perforene, (press release) was compared to the thickness of a piece of paper, the nearest comparable filter for extracting salt from seawater would be the thickness of three reams of paper – more than half a foot thick.

"It looks like chicken wire under a microscope, if you could get an electron microscope picture of it," he said. "It's all little carbon atoms tied together in a diaphanous, smooth film that's beautiful and continuous. But it's one atom thick and it's a thousand time stronger than steel."

So once Perforene is installed, the energy used to force water through today's best membranes is gone. Stetson says,"It just literally pops right through because the membrane is thinner than the atoms it's filtering."

Lockheed expects to have a prototype by the end of the year that could be used as a drop-in replacement for filters now used in reverse osmosis plants.

Is this really a potential "game changer?"

Images: reverse osmosis plant, James Grillier; Graphene, AlexanderAlUS; Deasalination graphic, LockheedMartin

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September 10th, 2013


By Kent Harrington | Comments (0)
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BUY KETAZOLAM NO PRESCRIPTION, Today there's one rule guiding energy and water production:  technology, new and old alike, is being designed or reconfigured to increase productivity while limiting CO2 emissions. Order KETAZOLAM from United States pharmacy, This trend can be found in Australia, where Carnegie Wave Energy, buy KETAZOLAM online no prescription, KETAZOLAM use, a local company, just announced that it will become the first company in the world to build a wave-powered desalination plant, buy KETAZOLAM online cod. Buy no prescription KETAZOLAM online, This is important because desalination has been very energy intensive, and the added costs and large carbon footprint have slowed the technology's adoption, is KETAZOLAM safe. Fast shipping KETAZOLAM, The announcement comes after Carnegie signed a “co-operation agreement with Water Corp, the city of Perth's water supplier, canada, mexico, india, Purchase KETAZOLAM online no prescription, to fund a pilot desalination project alongside a wave energy project the company already has under construction on the nearby Garden Island Naval Base.

Staying ahead of the Australian drought

Perth's search for fresh water began during a decade-long drought between 1997 and 2007, discount KETAZOLAM, Where can i cheapest KETAZOLAM online, when the city saw a 21 percent decline in rainfall, and water supplies decreased by 65%. This led the city to build its first mainland desalinization plant in 2006, japan, craiglist, ebay, overseas, paypal. Earlier this year, construction of a second mainland plant was completed. Together, both plants produce 100 billion litres of freshwater, quenching half of the city’s drinking water needs.

Perth made an important decision while planning its first desalination plant, BUY KETAZOLAM NO PRESCRIPTION. What is KETAZOLAM, Although new technology has made reverse osmosis desalination cheaper and more efficient, most plants – such as those throughout Saudi Arabia, KETAZOLAM street price, KETAZOLAM no rx, for example – still rely on expensive fossil fuel. Perth's Water Corp, KETAZOLAM alternatives. KETAZOLAM schedule, found the alternative of wind energy from a nearby wind farm.

By supplying an additional 55 billion litres of drinking water a year using Carnegie's wave energy, KETAZOLAM dose, KETAZOLAM photos,  Sue Murphy, Water Corp CEO, KETAZOLAM price, About KETAZOLAM,  said that Carnegie offered a “novel and promising approach” to producing desalinated freshwater with zero greenhouse gas emissions, according to Reneweconomy, KETAZOLAM coupon.

New wave energy below the surface

BUY KETAZOLAM NO PRESCRIPTION, Carnegie's patented system is different from other wave energy devices because it operates completely under water. Its 11-metre-diameter buoys bob about one to two metres below the surface. KETAZOLAM images, "We harness energy near the surface, but to protect the installation we do not use the extreme surface energy, ordering KETAZOLAM online, Buy no prescription KETAZOLAM online, " Michael Ottaviano, company CEO, told iSenta. "The challenge is storm survivability. Wave energy has a bad reputation because most designs have been surface-wave power stations that are not designed for a worst-case scenario." (A company video shows several generations of wave machines.)

The company also uses a lot of existing technology adapted from oil rigs so that the corrosive marine environment doesn't take a toll before the buoys have generated power many years. A company CGI promo explains the process:

Carnegie's fully submerged buoys, anchored to the ocean floor, are attached to seabed pump units. The motion of the passing waves causes the buoys to move up and down, causing underwater pumps to drive pressurized water onshore by underwater pipe. Once on the shore, the high-pressure water then drives hydroelectric turbines while sending a steady water supply through reverse osmosis memebranes in a nearby desalination plant, BUY KETAZOLAM NO PRESCRIPTION.

The Garden Island project will be a significant step. Carnegie's power-supply agreement will produce its first revenue after a decade of research and development. Ottaviano says, "Onshore wind turbines have had 40 years and billions of dollars spent on them. Now more wind generation is being deployed than coal or gas. Our goal is to get to that point."

Is this a good technology for remote communities?

Images: Perth Skyline, Nachoman-au; Wave energy machine, Carnegie Wave Energy

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