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CEP: December 2007

Having just returned from a week-long trip to Salt Lake City for the AIChE Annual Meeting (Nov. 4-9), I was energized by the unbridled enthusiasm of the students and volunteers, as well as the many attendees who commented positively on the session topics and special events...

Is Your Cold Lime Softener Effective?

December
2007
Reactions and Separations
Loraine Huchler
If your plant's utility system is experiencing problems, the culprit may be the clarifier. Understanding how to diagnose and correct off-spec clarifier operation will allow downstream units to function more efficiently and reliably.

Engineering Organs: Heart and Esophagus

December
2007
SBE Special Section
Buddy D. Ratner
The potential for tissue engineering to transform the practice of medicine is enormous. Chemical engineers will play important roles in this revolution.

Bioprinting: Directed Tissue Self-Assembly

December
2007
SBE Special Section
Roger Markwald, Vladimir Kasyanov, Vladimir Mironov
Imagine eliminating patient waiting lists for organ transplants. Bioprinting holds the promise of making this happen, but, must research must be done first.

Assess the Performance of Positive-Displacement Pumps

December
2007
Fluids and Solids Handling
AIChE's Equipment Testing Procedures Committee
Here's how to evaluate rotary pumps— gear, lobe, vane and multiple-screw designs— regardless of whether the material being handled is a Newtonian or non-Newtonian fluid.
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