CEP: April 2013

"Understand the Basics of Membrane Filtration," this month's cover story, compares some of the liquid-phase membrane technologies commonly used in the chemical process industries. Other topics include high capacity distillation trays, HSE in engineering design and Singapore's chemical industry. Also read about the latest developments in materials, energy, and nanotechnology.


If you are a young professional under the age of 35 and are willing to assume a leadership role in AIChE (on a project of your choice), the AIChE Foundation, through its Young Professionals Apprentice program (CEP, Sept. 2012, p. 72), will subsidize your dues for 2.75 years.

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Graphene Marches Down a Long Road to Commercialization

News Feature
Michelle Bryner
With so much graphene research underway, it can be hard to keep track of the progress, as well as to evaluate the commercial viability of such developments. Here’s a look at what scientists and engineers are doing and saying about graphene.

Understand the Basics of Membrane Filtration

Back To Basics
Hua Wang, Hongyi Zhou
Membrane filtration is an integral part of many industrial processes, as it is often more environmentally sustainable and cost-effective than other separation technologies

Apply Quantitative Gamma Scanning to High-Capacity Trays

Reactions and Separations
Henry Z. Kister
Push valves, multiple downcomers, and truncated downcomers boost tray capacities, but they also present troubleshooting challenges. Use quantitative gamma-scan analysis to measure froth heights, froth densities, and blowby in order to solve...

Singapore’s Chemicals Industry: Engineering an Island

Global Outlook
Keith Carpenter, Wai Kiong Ng
The chemicals industry is a pillar of Singapore’s economic success. The island city-state’s emergence as a chemical industry leader has been boosted by investment in infrastructure and the creation of an industrial island complex.
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