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September 19th, 2012

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These topics are especially important right now because it looks like we are in the early stages of a new Golden Age of Chemical Engineering, SONATA price, coupon. Online buying SONATA,

Once and future glories


ChE’s first Golden Age was the period around 1915–25. Industrial chemistry’s center had been Germany, SONATA cost. Around the time of World War I, rapid growth of chemicals production began in Britain and the US, responding to increasing demand for liquid fuels, synthetic fertilizer, and other chemical products, BUY SONATA NO PRESCRIPTION. Buy SONATA from mexico, ChE emerged as a distinct discipline, and unit operations was its organizing principle, SONATA coupon. My SONATA experience, The next Golden Age was the 1950s into the 1960s. Needs of consumers and industry fed our growth, australia, uk, us, usa, SONATA over the counter, oil was cheap, and ChE responded, SONATA schedule. Purchase SONATA online, We created new, large-scale, SONATA overnight, What is SONATA, continuous processes and a host of products, applying advances in catalysis and polymer chemistry and early use of computers, doses SONATA work. BUY SONATA NO PRESCRIPTION, To do it, we successfully integrated more math and physics to get the job done better – think transport phenomena, think process dynamics and control. SONATA long term, Of course, remarkable advances were happening at other times, cheap SONATA no rx. Online buying SONATA hcl, As one example, World War II saw the development of catalytic cracking, SONATA description, Buy cheap SONATA no rx, fluidized beds, synthetic rubber, SONATA dosage, Rx free SONATA, and penicillin manufacturing. Since the 1980s, is SONATA addictive, Where can i buy cheapest SONATA online, ChEs have been vital to growing pharmaceuticals production.

However, in the 1970s the benign perception of the ChE profession was publicly transformed by global oil-price shocks and by serious environmental abuses like Love Canal. 1984’s Bhopal disaster further shook the public’s confidence in “better living through chemistry.”

Suddenly, though, we find ourselves in the right place at the right time, BUY SONATA NO PRESCRIPTION.

Why now?


What has changed. Five key reasons are:

  • Manufacturing’s shift to emphasize processes and properties

  • New abundance of hydrocarbon resources in the US

  • Biology’s turning into a molecular science

  • Computing, evolved into a cyberinfrastructure

  • ChEs’ breadth and problem-solving approaches


Likewise, what are the challenges we face.

  • Asserting leadership in the new face of manufacturing

  • Incorporating information management and analytics

  • Embracing our profession’s breadth


In upcoming posts, I’ll expand on each of these topics. It’s not just the ideas of chemical engineering or the stuff of statistics and generalizations. BUY SONATA NO PRESCRIPTION, It’s all of us: educators, process engineers, lab researchers, financial and management teams, HR staff, tech services, sales forces, designers, and people in local, state, and national governments.

It’s Jim Davis, Tom Edgar, and Yinlun Huang advancing “smart manufacturing.” It’s Cathryn Sundback making prosthetic ears by cell culture at Massachusetts General Hospital. It’s Don Pettit conducting research and making teaching videos on the International Space Station. It’s Kim Ogden and Robert Hesketh developing a sustainability-engineering curriculum. It’s Andy Grove fashioning Intel into a powerhouse microelectronics company. It’s Jackie Ying crafting partnerships for bionanotechnology in Singapore, Rafiqul Gani seeking to integrate product and process design, and Jens Nørskov developing new catalysts through computation, BUY SONATA NO PRESCRIPTION.

It’s each of us—and the diverse ways we use our ChE backgrounds.

Question: Where do you see ChE’s future?


Phil Westmoreland is the 2013 AIChE president and a professor of chemical and biomolecular engineering at North Carolina State University (NCSU). He also serves as executive director of the NCSU Institute for Computational Science and Engineering. You can read his complete bio here..

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August 1st, 2012

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BUY CLOMID NO PRESCRIPTION, The South Texas Section of the AIChE, in partnership with AIChE HQ, is hosting its 4th Regional Process Technology Conference at the South Shore Harbour Resort and Conference Center, on the shores of Clear Lake in League City, Texas, October 4 & 5, 2012. The conference provides technical sessions, CLOMID images, Buy CLOMID online no prescription, industry solutions in process technology, and networking opportunities, CLOMID used for. CLOMID online cod, See More Information

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December 5th, 2011

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By Kent Harrington | Comments (2)
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Masao Yoshida BUY FLOMAX NO PRESCRIPTION, Masao Yoshida, a career nuclear engineer and the manager during the crisis at the Fukushima Daiichi plant, who bravely led the fight to bring the reactors under control, has stepped down after directing the disaster team for almost nine months from inside the plant. Yoshida, 56, has just been hospitalized but declined to reveal his illness or his radiation exposure. Discount FLOMAX,

Yoshida hospitalized on doctor's advice


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Mr Yoshida's sudden illness comes just weeks after addressing journalists who had visited the plant earlier this month for the first time since the catastrophe. He said: 'In my first week immediately after the incident, FLOMAX interactions, Is FLOMAX addictive, I thought a few times 'I'm going to die."'

He also formally apologized for failing to prevent the meltdowns. He went on to say that plant conditions were improving to the point where a 'cold shutdown' would be possible by the end of the year. Here is an earlier Masao Yoshida apology video, FLOMAX from mexico, About FLOMAX,  expressing his regret and personal sense of responsibility (with English subtitles).

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Loyally, reactor staff followed Yoshida's controversial orders


During the disaster's early days, as radiation levels dangerously spiked, Tepco—the Tokyo Electric Power Co.—pulled most workers out of the plant, leaving Yoshida and what became known as the "Fukushima Fifty," a small beleaguered group who risked their lives to bring the reactors under control, BUY FLOMAX NO PRESCRIPTION.

Yoshida then became famous after clearly and firmly telling workers to disregard Tepco's (whose logo looks like a Japanese feudal banner) order to stop injecting seawater into reactors to bring down soaring temperatures as soon as the crisis spilled out of control. With the supply of fresh water to cool the reactor running out, doses FLOMAX work, FLOMAX no prescription, workers had began injecting seawater shortly after 7 p.m. March 12, FLOMAX price, coupon, Where can i buy cheapest FLOMAX online, wrote the Japan Times. Tepco's head office had told Yoshida to stop the seawater injection after a utility official dispatched to the Prime Minister's office reported to his superiors that there was "a feeling that seawater could not be used without the prime minister's decision." Yoshida (channeling The Seven Samurai's Takashi Shimura, order FLOMAX online overnight delivery no prescription, FLOMAX trusted pharmacy reviews, one of Japan's most famous actors) stepped outside official protocol and told his workers, "I will order you to stop the water injection, FLOMAX street price. FLOMAX cost, . . but do not listen to it, FLOMAX description, FLOMAX pics, " according to sources, before instructing them to stop the seawater injection, fast shipping FLOMAX. FLOMAX over the counter, Loyally, workers continued injecting seawater into the reactor, online buying FLOMAX. FLOMAX treatment, Most experts feel that he kept the meltdown from growing much worse—into a desolate radioactive theme park where household pets start to look and sound like Pikachu.

Tepco tried to save face and salvage its authority


Based on a report from Yoshida, Tepco (to save face with the public) announced that the
seawater injection had been suspended from 7:25 p.m. to 7:55 p.m, BUY FLOMAX NO PRESCRIPTION. But two months later, Yosida revealed that the injection had not been suspended and he had been reprimanded by Tepco.

His level-headed defiance elevated him from the boss of the "Fukushima Fifty" to a living cultural ideal: Director Akira Kurosawa's quietly heroic bureaucrat in Ikiru (trailer) or the bold leader of the Seven Samurai-- which probably makes Tepco the film's marauding, rice-pillaging, badly shaven brigands who terrify (all-in-a-day's-work) the film's rice farmers. Here is the trailer for the 1954 samurai film.

Is Yoshida Similar to pilot Sully Sullenberger, who landed on the Hudson River?


Graphic: Tepco logo-- wikipedia
Photo: Masao Yoshida-- Tepco video, World Nuclear Assoc, courtesy Tepco

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October 7th, 2011

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September 29th, 2011

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By Michelle Bryner | Comments (0)
Screen shot 2011-09-29 at 8.22.29 AM

This is the third interview (in a series of five) of selected speakers for AIChE's upcoming Northeast Regional Conference at the Chem Show in November.

I’m Michelle Bryner (MB SIBUTRAMINE FOR SALE, ), one of the newest editors of CEP. You can learn a bit more about me here. I was excited to be able to interview Eric Maynard (EM), senior consultant at Jenike & Johanson, SIBUTRAMINE maximum dosage, about his upcoming  course on blending and segregation.

MB: What challenges do chemical engineers face when developing blending systems?

EM: The biggest challenge is that in most cases, Herbal SIBUTRAMINE, mixing and blending remains an art and not a science. In the absence of a scientific approach to choosing the blending equipment and the appropriate operating conditions, engineers often rely on prior operating history. If the company or engineering team has always used a ribbon blender, for example, they will continue to use that type of blender even if it is not optimal for their process, SIBUTRAMINE FOR SALE. If they’re using excessive mix time, where can i buy SIBUTRAMINE online, which increases cycle time, or they’re using excessive energy, What is SIBUTRAMINE, they still will stick with using that prior history because that’s what they’ve always done.

[caption id="attachment_29280" align="alignright" width="240" caption="Eric Maynard, senior consultant at Jenike & Johanson"][/caption]

Secondly, in engineering curricula in the U.S, ordering SIBUTRAMINE online. — for mechanical, civil, SIBUTRAMINE pharmacy, and chemical engineers — you usually don’t learn about mixing/blending equipment and their selection for a particular process. You may learn about fluid mixers and continuous stirred reactors and tanks, but as for solids mixing, you’re often reliant upon vendors and their knowledge or reliant upon other personnel in a plant who have been through the process before — the school of hard knocks, purchase SIBUTRAMINE online. SIBUTRAMINE FOR SALE, In fact, many chemical engineers will overrun their blenders. For example, an engineer may run the blender at 1, SIBUTRAMINE australia, uk, us, usa, 000 rotations because that’s the way it’s always been done, when really they just need to turn, let’s say, 300 rotations, purchase SIBUTRAMINE for sale. It comes back to education and whether it’s in a college setting or in a conference like the Chem Show, you want to make sure that the attendees understand the ramifications of their actions with blending. Online buy SIBUTRAMINE without a prescription, We can take a lot of art out of it and put the science back in.

MB: How will your course address these challenges?

EM: We thoroughly cover the basic technology of mixers and blenders. They’re synonymously thought of as the same but in fact mixing and blending can be dissimilar processes, SIBUTRAMINE FOR SALE. Blending is often when you’re combining multiple streams together in a gentle action, whereas mixing could be with a single component, SIBUTRAMINE reviews, you may have a salt material that has a range of particle size and you need to thoroughly mix that salt usually with higher speed and more agitation. Mixing and blending can be different, SIBUTRAMINE wiki, and we define that in the course.

We define the basic mechanisms of mixing and blending, which are diffusive blending, convective blending, SIBUTRAMINE from mexico, and high-shear blending; go through each of those mechanisms and then most importantly we tie those mechanisms in to types of blenders, both batch and continuous. Order SIBUTRAMINE online overnight delivery no prescription, We also go through the different blender types and we help people understand the challenges that they might face. SIBUTRAMINE FOR SALE, For instance, instead of using 1,000 rotations at 15 rpm on a tumble blender because that’s how it’s always been done, we show how to get a uniform blend without being so dependent on speed but rather looking at the number of rotations.

And we bring a lot of science back into why that occurs and how you can overblend a material or how you may underblend a material having the incorrect mixer selected for an application. We go into a lot of the mechanics, the types of blenders, get SIBUTRAMINE, and then also how to sample the powders that are being blended so that you can define quantitatively the uniformity of the material, whether it be by particle size or chemical nature. Kjøpe SIBUTRAMINE på nett, köpa SIBUTRAMINE online, We’re really addressing those challenges that result from viewing blending as an art and we give the science behind. We also bring our experience from working on blending for 30 years and our course is very unbiased because Jenike & Johanson doesn’t sell blenders; we’re just engineers who have designed these systems, operated these systems, and we know what works in industry and what doesn’t work, SIBUTRAMINE treatment.

MB: Will you give a real-world example of how your course material could be applied?

EM: Before I answer your question, I want to bring up a point that I haven’t mentioned yet that ties into the example, SIBUTRAMINE FOR SALE. Another topic we discuss in the course is that of post-blend handling. Many in industry — food, Generic SIBUTRAMINE, pharmaceuticals, chemicals, specialty chemicals — will focus on the blender doing a good job and that’s not a bad focus to have. But at Jenike & Johanson, SIBUTRAMINE no prescription, we also focus on the post-blender handling steps because no matter how well you blend a material, each time you transfer it out of a blender and through a chute or into a bin, SIBUTRAMINE description, for instance, you could induce particle separation and demix the material the blender just mixed. In our course, we cover segregation, SIBUTRAMINE street price, the different types of segregation that can occur, and how you can mitigate or solve problems associated with that. SIBUTRAMINE FOR SALE, For a real world example for a chemical engineer, I would say that knowledge of mixing and blending, sampling, and segregation process, which I cover thoroughly in the course, is absolutely vital when you’re blending toxic additives with excipients for the pharmaceuticals industry. Where can i cheapest SIBUTRAMINE online, Imagine you’re a chemical engineer dealing with a cytotoxic drug. Inefficient blending (either in the blender or segregation after blending) of the active ingredient with the inactives, including sugar, starch, SIBUTRAMINE without a prescription, and cellulose, could result in tablets with a high concentration of the active ingredient. Is SIBUTRAMINE addictive, If someone were to take that super-potent tablet, it could literally be a life-and-death situation.

MB: What is timely about the topics that will be discussed in your blending and segregation course?

EM: Too much emphasis for years has been placed on sampling in the blender to prove uniformity of the final product. That’s very dangerous, because no matter how good a blending job you do in a blender or mixer, when you transfer that powder through additional process steps, there’s a propensity for the material to segregate, SIBUTRAMINE FOR SALE.

That being said, comprar en línea SIBUTRAMINE, comprar SIBUTRAMINE baratos, in the blending and segregation course, we talk about something called stratified sampling. What’s timely about this topic is that a group, which includes Jenike & Johanson, academia, the pharmaceuticals industry, and the U.S. Food and Drug Administration (FDA), is currently working to devise stratified-sampling protocols. We’ve submitted a draft proposal to the FDA that would require pharmaceutical companies to sample at each point of transfer during the process, as the powder moves from the blender to a drum, to a bin, and so on.

MB: SIBUTRAMINE FOR SALE, When do you expect these protocols to roll out. In the next five years?

EM: Absolutely. A draft guidance is already being utilized by most pharma manufacturers. This is something, in my opinion, that is going to be fully adopted and I don’t think that industry is going to resist it too much because certainly they want to make sure they are selling and issuing safe products to consumers. And many of the manufacturers heavily involved in the science, whether it’s the formulation scientists or the manufacturing engineers, are very confident that they can work through issues of segregation and flow to make sure that the customer is receiving a safe, viable product.

See the complete program for AIChE's Northeast Regional Conference at the Chem Show.

Register to attend

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September 22nd, 2011

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By Michelle Bryner | Comments (0)
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This is the second interview (in a series of five) of selected speakers for AIChE's upcoming Northeast Regional Conference at the Chem Show in November. PREMARIN FOR SALE, With the rising cost of energy and increased government oversight of greenhouse gas emissions, reducing energy consumption is a key topic for chemical engineers. While chemical engineers learn about balancing heat transfer across a chemical process, applying this knowledge in an effective way isn’t always straightforward, buy PREMARIN online cod.

WibowoWith over 10 years of experience consulting on process development projects, PREMARIN results, Christianto Wibowo has first-hand knowledge of how to approach energy management in the chemical plant. He is a senior member of AIChE and is actively involved in the Process Development Div. He holds a BS from Bandung Institute of Technology, PREMARIN trusted pharmacy reviews, Indonesia, PREMARIN from canadian pharmacy, and a PhD from the University of Massachusetts, Amherst, both in chemical engineering, PREMARIN use.

Wibowo recently spoke with Chemical Engineering Progress' assistant editor, Michelle Bryner, about energy management and his upcoming course on this topic at the 2011 Chem Show, PREMARIN FOR SALE.

AIChE: What challenges do chemical engineers face when developing energy management plans?

Christianto Wibowo: Basically everybody is trying to save energy, PREMARIN alternatives, even if they have been operating for many many years. We do a lot of consulting work in Japan and there has been a lot of pressure in Japan to reduce the energy consumption, CO2 generation, PREMARIN gel, ointment, cream, pill, spray, continuous-release, extended-release, and so on. PREMARIN price, coupon, I think it applies everywhere in the world.

In order to manage energy consumption you cannot just say, okay how do we cut down the energy consumption without doing anything, get PREMARIN, without making any changes. PREMARIN FOR SALE, We have to go back and look at the process. PREMARIN street price, This is where the chemical engineers are heavily involved or should be heavily involved. We have to plan for a better way to utilize the energies throughout the plant. For example, online buying PREMARIN hcl, is there any part of the process, Buy no prescription PREMARIN online, maybe the equipment or maybe an entire process that is not using energy as efficiently as it should be. The other thing is, probably one part of the process is actually consuming energy in the sense that it needs some kind of heating or evaporation, PREMARIN wiki, but then there is probably some other processes within the same plant complex where energy needs to be removed from the system. If you can match some of those energy requirement and energy available for release then there can be potential energy savings right away, PREMARIN FOR SALE. PREMARIN dose, This kind of pattern or this kind of situation is what we really mean by developing an energy management plan.

AIChE: I understand in principle what you mean, but how would a chemical engineer approach this kind of project?

CW: The overall idea is to look at the current situation first, PREMARIN from mexico, and ask what part of the processes are consuming energy, PREMARIN photos, what part of the processes require removal of energy. And then you can look at what can be done to make modifications such that the overall energy consumption can be minimized. That applies firstly within one plant, buy cheap PREMARIN, whether there is internal energy exchange that can be done, Real brand PREMARIN online, but also sometimes we need to look at nearby plants, so within the same complex. PREMARIN FOR SALE, Because of the proximity it is possible to install a heat exchanger that goes in the middle or something like that.

AIChE: What in your course will give chemical engineers what they need to develop energy management plans at their processing plants?

CW: Firstly, PREMARIN used for, we are going to talk about the basic idea of pinch analysis. Buy PREMARIN online no prescription, I’m sure that many people are quite familiar with pinch analysis but the emphasis of the course will be on how to look at your particular process and how to find those potential for energy reductions. The pinch analysis is basically looking at which part of the process is heated and cooled and then whether or not the temperature difference is such that the streams can exchange energy. Let’s say that one stream needs to be heated from 50°C to 100°C and another stream needs to be cooled from 150°C to 120°C; this could be a potential match, PREMARIN pictures. But if you want to heat something from 100°C to 200°C and there is another stream to be cooled from 100°C to 50°C, then of course you cannot do it, PREMARIN FOR SALE.

Secondly, Purchase PREMARIN for sale, we will talk about some examples of how to look for these things and how you should look at potential alternatives to modify the process because many people look at the pinch analysis as a matter of okay, how do I find all those potential matches and how do I make the most effective heat exchanger network to have maximum exchange to maximize the overall energy reduction. We try to go one step further, online PREMARIN without a prescription. To us the question becomes: Is there any part of the process that can be changed such that the thermodynamic requirements also change. PREMARIN description, Consider the example of a distillation column that operates at atmospheric pressure, and its distillate vapor stream condenses at 100°C. PREMARIN FOR SALE, At this temperature, the pinch analysis shows that the release of energy from the condensation is not sufficient to heat another stream within the process to its target temperature. Some engineers will stop here and assume that their work is done, taking PREMARIN. But a closer look could reveal that the stream would be useful if the condensation occurred at a higher temperature, say, 125°C. The condensation temperature could be increased, for instance, by operating the column at a higher pressure, or by compressing the distillate prior to condensation to increase the pressure (and thus the temperature) of the distillate stream.

AIChE: What’s timely about the topic of energy management?

CW: The best answer for that is simply that right now everybody is trying to reduce energy, there is a high awareness that the energy resources are limited, environmental concerns to minimize the CO2 emission, and so on. It means that the pressure of doing this kind of thing is higher than ever. Because of that kind of situation and because of what chemical engineers are trained to do it’s important for them to learn about energy management.

See the complete program for AIChE's Northeast Regional Conference at the Chem Show.

Register to attend

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May 24th, 2011

Nuclear Q&A: Answers on Nuclear Energy’s Future and Plant Design and Safety

By admin | Comments (1)
Nuclear Q&A
This entry is part 2 of 5 in the series Nuclear Q&A

In the continuing series, we bring you more answers to questions about Fukushima and nuclear energy, from AIChE’s Nuclear Engineering Division (NED).

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January 27th, 2011

Interpreting Piping and Instrumentation Diagrams [Part 5 of 5]

By Robert Cook | Comments (5)
P5F3
This entry is part 5 of 5 in the series How to Interpret Piping and Instrumentation Diagrams

Learning to read and interpret piping and instrumentation diagrams via dry text-based articles (unlike those produced by yours truly) can be painful. To make this critical topic a bit more engaging, a series of videos intended to complement the series provided here are offered. They review the fundamentals of virtually every aspect of symbology and tag application.

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October 27th, 2010

Codes, Tags and Labels—Interpreting Piping and Instrumentation Diagrams [Part 4 of 5]

By Robert Cook | Comments (15)
P4F1
This entry is part 4 of 5 in the series How to Interpret Piping and Instrumentation Diagrams

P&IDs may be viewed as a database of equipment, devices, lines and various sundry items that make up a process plant. Like a properly designed database, the tagging method employed on P&IDs needs to be robust and extensible. This Part 4 reviews key considerations and presents techniques that can be applied.

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