December 2014 CEP Preview



December 3 marks the 30th anniversary of the worst chemical accident in history — the release of methyl isocyanate from a pesticide plant in Bhopal, India, in 1984. Two articles and the Process Safety Beacon in the December issue of CEP review some of the lessons learned from that tragic incident.

Back to Basics: Avoid Fluidization Pitfalls

Fluidized beds are susceptible to such problems as bed slugging, loss of fines, and gas bypassing. This article explains how to avoid these pitfalls.

Instrumentation: Account for Uncertainty with Robust Control Design — Part 2

Robust control can be applied to design controllers that can handle process uncertainty. Learn how to use identification experiments to obtain estimates of this uncertainty.

Reactions and Separations: Choosing a Fine Particle Filtration System

Filtration technology has advanced to meet the demand to remove small particles at low concentrations. When designed correctly, a candle filter or a pressure plate filter may be a more efficient replacement for a traditional filtration scheme.


  • Fossil Fuels Inspire Clean-Hydrogen Catalyst
  • Organic Solar Cells Heat Up
  • Biomass Waste Gets Upgraded
  • New Technique Puts Catalysts on the Right Track
  • Silicon Gets Pressured into a New Structure
  • Paper-Based Genetic Circuits Diagnose Disease
  • A Masquerade: Disguising RNA Drugs
  • Beetle Inspires Anti-Counterfeiting Technology


  • AIChE Journal Highlight: Solving Wicked Sustainability Problems Requires a New Approach
  • Catalyzing Commercialization: Bioabsorbable Magnesium Alloy Doubles the Strength of Orthopedic Implants
  • Career Corner: Surviving an International Relocation
  • Profile: Perry Romanowski – Formulating Cosmetics and Educating Millions
  • What’s New
  • Software and Information Technology
  • Product Digest: Fluids Handling
  • Institute News: President’s Corner: Strengthening AIChE for Growth; New Fellows; Divisions and Forums Present Awards; AIChE Election Results; AIChE Foundation Provides Travel Grants for Overseas ChE Student Leaders
  • Calendars

The December 2014 issue of CEP is now available online. AIChE members receive access to CEP, including a searchable archive of issues dating back to 2001, online at