Chemicals & Materials

CEP: Chem Economics - Plastic Additives are Poised for Growth

July
2012
Chem Economics
T. Kevin Swift
Not all polymers are useful and/or processable in their natural form. Thus, functional chemicals are added to polymer resins to facilitate processing and to enhance, extend, or otherwise modify the properties of the plastic products manufactured from polymer resins. Such plastic additives represent a $4.6-billion business in the U.S.

Making Plastics: From Monomer to Polymer

September
2015
Back To Basics
Pete Sharpe
Versatility, ease of manufacture, and relatively low cost make plastics some of the most useful materials for a wide range of applications. This article explains the chemistry and production processes behind two of the most popular plastics — polyethylene and polypropylene.

Piloting Bioreactors for Agitation Scale-Up

February
2008
Reactions and Separations
Gregory T. Benz
This article offers guidance on how to design appropriate experiments to measure scalable data for agitation in both aerobic and anaerobic bioreactors.

Material Matters: Disappearing Materials in Aging Plants

April
2016
Material Matters
Kirk Richardson
Replacing materials and equipment as they corrode or reach the end of their service life is one of the challenges of managing an aging plant. When a material or part is no longer available because the supplier discontinued the product line, was acquired by another company, or went out of business, it can be difficult to find another source or suitable replacement.

2019 AIChE Annual Meeting

November 10-15, 2019
The AIChE Annual Meeting is the premier educational forum for chemical engineers interested in innovation and professional growth. Academic and industry experts will cover wide range of topics relevant to cutting-edge research, new technologies, and emerging growth areas in chemical engineering.

A Novel TPOX-Based "Swiss-Roll" Fuel Reformer

Conference Presentation
AIChE Annual Meeting
November 19, 2014
A compact, non-catalytic, thermal partial oxidation (TPOX) based reformer has been developed to provide hydrogen-rich syngas to solid oxide fuel...

Alternate Fuel Synthesis in Supercritical Solvents

Conference Presentation
AIChE Annual Meeting
November 19, 2014
Anant Sarve , Mahesh N. Varma*, Shreeram S. Sonawane. Department of Chemical Engineering, Visvesvaraya National Institute of Technology, Nagpur,...

Extracellular PHA Production from Woody Biomass

Conference Presentation
AIChE Annual Meeting
November 18, 2014
PHAs are commonly produced as bacterial carbon and energy storage intracellular. Recovery and purification of PHA are thus costly besides the...

CFD modeling of water-in-crude oil emulsions

Conference Presentation
Southwest Process Technology Conference
October 9, 2014
A CFD model has been developed that fits laminar data of both suspensions and stabilized water-in-oil emulsions using a relative viscosity model...

Dewaxing Challenging Paraffinic Feeds in North America

Conference Presentation
Southwest Process Technology Conference
October 9, 2014
With the more difficult and highly paraffinic feedstocks on the market along with more stringent diesel specifications, the need to provide an...

Processing Shale Oils in FCC: Challenges and Opportunities

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 2, 2014
Shale Oils such as Eagle Ford and Bakken are fast becoming a major feed source for US refineries. The rapid introduction of shale oils to the...

The Potential Of Osmotic Membrane Dehumidification

Conference Presentation
AIChE Annual Meeting
November 4, 2013
THE POTENTIAL OF OSMOTIC MEMBRANE DEHUMIDIFICATION Arthur Kesten, Jeffrey McCutcheon, Ariel Girelli and Jack Blechner An osmotic membrane...

Convection Battery - Elimination of Dendrite Failure

Conference Presentation
AIChE Annual Meeting
November 3, 2013
The convection battery pumps liquid electrolyte between the electrode and counter-electrode. It is different from flow batteries in that the same...

Transient Studies of a Sodium-Sulfur Cell

Conference Presentation
AIChE Annual Meeting
November 3, 2013
In the modern grid era , multiple fossil-fueled power generation facilities and renewable energy sources are expected to interact actively. Power...
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