Chemicals & Materials

Bioreactor Design for Chemical Engineers

August
2011
Back To Basics
Gregory T. Benz
Fermentation processes are based on chemical engineering principles. Understand these concepts to achieve optimal bioreactor design.

Material Matters: Predicting High-Temperature Hydrogen Attack

January
2016
Material Matters
Kirk Richardson
During a nonroutine maintenance operation at the Tesoro petroleum refinery in Anacortes, WA, on April 2, 2010, a nearly 40-year-old heat exchanger located in a naphtha hydrotreater unit catastrophically failed. An explosion and intense fire killed...

CNG Cars May Soon Have a Smart New Alternative

December 8, 2015
Jeffery Long, professor of chemistry and chemical and bimolecular engineering at the University of California, Berkeley, and colleagues have devised a space-efficient natural-gas...

Catalyst Opens Doors to New Bio-Based Plastics

December 14, 2015
Plastics manufacturers largely rely on crude oil to create isobutene in the production of plastics, but researchers at Washington State University have developed a catalyst to...

SBE Update

July
2009
SBE Special Section
June Wispelwey
Improving Biopharmaceutical Development

New Products: December 2015

December
2015
New Products
Instrumentation Temperature Transmitters Feature Dual Sensor Inputs The THZ 3 and TDZ 3 two-wire (loop-powered) temperature transmitters provide an isolated and linear 4–20-mA output proportional to input. They can be configured quickly and easily...

Toxicology 101

November
2015
Back To Basics
Christin Grabinski
Every substance can be toxic, depending on the dose and frequency of exposure. This article outlines the basics of toxicology and explores where the research in this field is heading.

Graphene Marches Down a Long Road to Commercialization

April
2013
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.

November 2015 CEP Preview

November 16, 2015
This month, CEP's cover feature is liquid-liquid extraction, and members and non-members alike can read the full article online. See the preview for more about this month's issue.

Material Matters: Robots Enhance Inspection

October
2015
Material Matters
Kirk Richardson
On July 4, 1997, the Mars Pathfinder delivered a six-wheel rover, named Sojourner, to the red planet to explore the terrain and demonstrate the feasibility of low-cost landings on the Martian surface. NASA completed that successful mission with...

September 2015 CEP Preview

September 8, 2015
HEAT TRANSFER Cool Down with Liquid Nitrogen Many low-temperature processes leverage nitrogen's cooling and freezing capabilities. Find out what methods are used in what...

Why Is Erbium So Important to the Internet?

March 29, 2012
What makes erbium so important for websites like YouTube and ChEnected? The professor goggles up to explore this silvery white element and its applications as he continues his...

New Device Harvests Movement to Generate Energy

September 4, 2014
A new small device that relies on nanotechnology successfully generates electric current from simple vibrations. Its creators look to relieve the load on batteries or eliminate...

Ever Wonder Why Onions Make You Cry?

September 5, 2011
NPR interviewed Russ Parsons who writes about science and cooking. Listen to the fascinating interview and learn more about the science of cooking—why onions make you cry, why...

CEP: News Update

July
2015
News Update
Inks from Silk Show Biomedical Promise; Activated Carbon Gets a Designer Label; Graphene Coating Promises to Improve Condenser Efficiency; Solar Materials Self-Assemble for Lengthy Energy Storage; and more.

4th AIChE Regional Process Technology Conference

August 1, 2012
The South Texas Section of the AIChE, in partnership with AIChE HQ, is hosting its 4th Regional Process Technology Conference at the South Shore Harbour Resort and Conference...

Record Energy Storage from New Sol-gel Material

July 31, 2015
Using a hybrid silica sol-gel material and self-assembled monolayers of a common fatty acid, researchers at Georgia Tech have developed a new capacitor dielectric material that...

Where Kevlar Fails, a Liquid Succeeds [VIDEO]

September 8, 2011
Kevlar is an incredible material for stopping bullets, but when it comes to a knife, it fails spectacularly. The addition of a milky white liquid, however, changes everything. The...

Greener Use of Fossil Fuels: Lithium from Coal

March 27, 2015
Geologists from the Hebei University of Engineering in Handan, China have devised a plan to extract the lithium previously discovered in coal deposits in the northern part of the...

Artistic Chemistry: Photography

August 23, 2010
Daguerreotype of Unknown Woman c. 1850 Photos. We all have them. With the advent of the digital camera we find ourselves snapping them like there is no tomorrow. Millions of...

Playing with Fire in Outer Space

December 2, 2011
Scientists aboard the International Space Station are playing with fire, literally. As part of the Flame Extinguishment Experiment (FLEX), scientists are studying how flames react...

CEP: Material Matters - Guidelines Aim to Reduce Failures

July
2015
Material Matters
Kirk Richardson
MTI is in the process of developing a best practice guideline for the design, welding, repair, and inspection of DSS 2205 equipment made from thick plates (greater than 1 in.), to be completed in Oct. 2015. The guidelines will include recommendations for assessing susceptibility to SSC (low, medium, or high, based on ferrite and hardness numbers), as well as information on the scope and scheduling of inspections.

Entering a New Golden Age of Chemical Engineering

September 19, 2012
This post is the first in a series of 12 posts about who ChEs are, what we’re doing, and where we’re going. 2013 AIChE president Phil Westmoreland looks at trends, considers the...

Nanoparticles Help Direct Radiotherapy to Tumors

May 20, 2015
Radiotherapy is a strong tool in fighting cancer, but one great downside is that it affects both healthy and cancerous cells. Focusing radiotherapy on just tumors is the goal of...

Chemical Companies Lauded for Energy Efficiency

April 19, 2011
The American Chemistry Council (ACC) recently honored 16 of its member companies for implementing energy-efficiency improvements in 2010. Together, these improvements saved 14.8...

Composite Materials from Natural Coconut Fibers

April 16, 2012
During the poster session at the Spring Meeting in Houston, we spoke with Ryan Vano of Natural Composites Inc. He shared with us his company's work with coconut fibers and the...

Degrees That Work: Plastics [Video]

March 3, 2010
Plastics touch every aspect of life. Without plastics, much of what we depend on daily at work and home would disappear. Despite its prevalence, the moldable material doesn't...

Bioplastics Exhibit Anti-bacterial Properties

March 31, 2015
A recent study by the University of Georgia College of Family and Consumer Sciences founds that bioplastics may have a place in medical applications thanks to the antibacterial...

What Stinks?!

October 4, 2010
I had my first run-in with a stink bug yesterday. It was terrifying. It had infiltrated my vehicle and launched an overhead attack as I began driving. I took a hit in the noggin...

Mercury Removal at Coal-Fired Power Plants

April 4, 2014
Removal of Mercury from the combustion air stream at a coal-fired power plant is one of the most sensitive and challenging tasks of pollution control. Dr. Noah Meeks of The...
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