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December 1, 2006
The mountains of used tires piling up around the world may be a source of a new filtration media that promises to be a cheaper and more efficient alternative to sand or anthracite, which are commonly used for filtering wastewater. The patented technology, developed by Yuefeng Xie, associate professor of environmental engineering at Penn State Harrisburg (Pa.; edlinks.che.com/6519-555), uses crumb rubber...
November 1, 2006
Over the last three years, DuPont (Wilmington, Del.; edlinks.che.com/6518-552) has been developing technology to break down the complex sugar matrix of corn stover as a means for making ethanol from cellulose in high yield. Although there is more research to be completed, the company is ready to take the next step to bring cellulosic ethanol to market...
November 1, 2006
Among the many parameters measured and controlled in the chemical process industries (CPI), level definitely ranks high in importance, and in some applications, can even be critical. Accurate level measurements commonly guide decision makers in inventory and process control, and level can play an important role in safety and maintenance, for leak detection, as an example. Recent...
September 1, 2006
Nanotechnology, in the form of nanomaterials, is already a significant business for the chemical process industries (CPI). One recent study says that this year’s global nanotechnology market is worth more than $10 billion, of which 86% is attributable to nanomaterials, and that the total market will reach $25 billion by 2011 (see box). This figure includes well-established commercial...
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