Category:Water

July 31st, 2014

Chemical Engineers Develop Efficient Mercury Detection Device

By Douglas Clark | Comments (3)
shutterstock_120063190

Chemical engineers have developed a new ultra-sensitive, low-cost and portable system for detecting mercury in environmental water.

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July 14th, 2014

AIChE Apprentice Takes on Potable Water Challenge

By ChenectedGuest | Comments (0)
Drinking Water

Alex Avram, a chemical engineering PhD student at UARK who recently joined the three-year AIChE Apprenticeship Program, describes his plans to help communities gain access to potable water.

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June 18th, 2014

Should Greenhouse Gasses Be “Petrified” in Rock?

By Douglas Clark | Comments (0)
Basalt formation

Among the many scenarios for capturing greenhouse gasses, one of the most novel is “petrifying” it in basalt formations. But is it practical?

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May 15th, 2014

Chevron Saving Drought-Stricken Farmers With Treated Produced Water

By Kent Harrington | Comments (1)
2014-04-16_16-43-12 calif pump jacks 2

During California’s drought, many farmers struggle to keep their crops alive. Some are getting cleaned up produced water from a nearby Chevron oil field.

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May 6th, 2014

Challenges for Water Reuse in Hydraulic Fracturing Wells

By Martin Bergstedt | Comments (0)
unconventionalfuel

Of the many issues confronting the boom in formation fracturing processes at natural gas and shale oil well heads, water use and reuse are among the most important. Todd Langford of GE Power & Water presented an overview of these challenges and current solutions.

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April 25th, 2014

YPs Tour Abita Brewery’s “Green” Facility

By Elizabeth J. H. Guenther | Comments (0)
Beer

A group of 25 Young Professionals took a break from the AIChE Spring Meeting to take a tour of the Abita Brewing Company in Abita Springs, LA, and learned more about the green engineering behind the brewery’s operations.

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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)
1024px-Water_drop_001 oasys2 iphoto

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

BIAXIN FOR SALE

By Kent Harrington | Comments (1)
2014-02-05_17-32-01 water 3

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:

http://vimeo.com/73149209

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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