January

CEP: Catalyzing Commercialization - Turning a Problem into a Cure for Increased Ethanol Yield

January
2014
Catalyzing Commercialization
The beneficial microbes that convert milk into yogurt and act in our guts to promote digestive health cause big problems in ethanol fermentation tanks. These lactic acid bacteria (LAB) proliferate in ethanol feedstock and inhibit growth of ethanol-producing yeast — which slows down fermentation, reduces biofuel yield by as much as 20% per pound of input material, and results in production shutdowns due to contamination. The most common control measures, chemical antimicrobials such as antibiotics, do not eliminate LAB. Additionally, the potential for antibiotic residue limits the marketability of dried distillers grains, a byproduct of the fermentation process used as animal feed. Ecolyse Inc., based in College Station, TX, is working to address this issue by developing products to treat bacterial contamination.

How Much Is Another Measurement Worth?

January
2014
Instrumentation
Douglas White
New measurements are valuable only if they increase the economic value of the plant. Evaluate a measurement investment by quantifying the expected improved financial performance.

CEP: Calendars

January
2014
Calendars
AIChE Meetings Calendar; Webinars; AIChE Education Calendar

CEP: Editorial - ChemEs Just Need to Have Fun

January
2014
Editorial
Cynthia Mascone
Last month, I wrote about creativity and pointed out two ways to spark your creativity — relax, and look at things in a fresh way. As I was researching that editorial, I kept coming across another creativity booster: fun.

CEP: AIChE Journal Highlight - Casting Process Safety as a Control Problem

January
2014
Journal Highlight
Process safety has come a long way since the Bhopal tragedy in 1984. However, accidents in the chemical process industries continue to occur. Post-mortem analysis has indicated that many were preventable and had similar systemic causes. This begs the question: Why do we fail to learn from past events and make adequate changes to prevent their recurrence? In the January AIChE Journal Perspective article, “A System-Theoretic, Control-Inspired View and Approach to Process Safety,” Nancy G. Leveson and George Stephanopoulos of MIT offer their take on this question.

CEP: News Update

January
2014
News Update
Harmless Virus Helps Assemble Li-O2 Cathode for Batteries; A Sticky Solution for Tissue Engineering; Biopatch Catalyzes Bone Regeneration; Shape-Shifting Material Heats Up; and more

CEP: Institute News

January
2014
Institute News
President’s Corner: Our Evolving Profession; AIChE Gala Spotlights Ethics; Southwest Process Technology Conference; Award Nominations; Member News

CEP: What's New

January
2014
What's New
Read about new products and services in the areas of instrumentation, fluids and solids handling, and laboratory equipment.

Designing Multistage Agitated Reactors

January
2014
Reactions and Separations
Gregory Benz
This article bridges the gap between theory and practice for the design of continuous-flow mechanically agitated reactors, with a focus on mechanical and hydraulic issues.

CEP: Process Safety Beacon - Corrosion Under Insulation (CUI)

January
2014
Process Safety Beacon
Corrosion under insulation (CUI) is corrosion of piping, tanks, or other equipment that occurs due to water under insulation or fireproofing. Faulty or damaged insulation is frequently a source of the water that causes corrosion, and the insulation may also hide the damage so you are not aware of it.

Fermentation Fundamentals: Brewing Bugs for Bioengineering

January
2014
Back To Basics
Sujata K. Bhatia
A fermentation process leverages live cells to manufacture a variety of products. Choosing the correct host cell, as well as the optimal production equipment and method, are the fundamental first steps of these complex processes.

CEP: Material Matters - New Models to Prevent Corrosion Under Insulation

January
2014
Material Matters
Kirk Richardson
CUI is common in processing plants and refineries operating equipment in a temperature range of 25–400˚F. The cost to industry in time, money, and risk is staggering, drawing the interest of the Materials Technology Institute (MTI) and others in the chemical process industries.

Designing Suspension-Mixing Systems

January
2006
Fluids and Solids Handling
Pavel Ditl
Impeller and vessel geometries are key factors in selecting mixing equipment to efficiently suspend particulate solids in slurries

CEP: Editorial - Plunging into a Time Warp

January
2013
Editorial
Cynthia Mascone
When reporting on events, writers and editors always need to be mindful of when the reader will receive the publication. This is especially critical for a monthly magazine like CEP. An event that is considered breaking news when we experience it or...

Minimize Wastes from Specialty Chemical Processes

January
2008
Environmental Management
Jeffrey Mueller
Use this holistic approach as the basis for a process development strategy to identify environmentally sound, cost-effective, low-waste-generating processes.

Streamline Your Process Hazard Analysis

January
2013
Safety
Judy Perry
A little creativity during preparation — developing checklists, grouping similar processes, pre-populating worksheets, and considering possible deviations and safeguards before meeting face to face — goes a long way toward improving the efficiency and effectiveness of your PHA efforts.

CEP: YPOV - “A journey of 26.2 miles begins…”

January
2013
YPOV
May Shek
The new year brings the excitement of setting new goals. I have learned my best lessons on goal setting from one of my hobbies, running — and what I’ve learned can be applied to professional goals as well.

Optimizing an Organic Rankine Cycle

January
2013
Heat Transfer
Ali Bourji, P.E.
An organic Rankine cycle (ORC) system can be a cost-effective way to convert waste heat to electricity. The key is finding the best ratio of net power recovery to capital cost.

Implement an Effective Loop Tuning Strategy

January
2013
Back To Basics
Norman Ito, Timothy Olsen
Use these loop tuning guidelines to improve process control and enhance product uniformity Many undergraduate chemical engineering programs teach the Ziegler-Nichols tuning methods, developed by John G. Ziegler and Nathaniel B. Nichols in the 1940s...

CEP: News Update

January
2013
News Update
Global Relationships Take Center Stage at the 2012 Annual Meeting; No Boiling Needed: Nanoparticles Convert Sunlight into Steam; Hydrogen Power Goes Mobile; Carbon Nanotubes Team Up with Graphene; New Process Brings Bendable Electronics Closer to Reality; and more.

CEP: Institute News

January
2013
Institute News
President’s Corner New Fellows Member News Calendar

CEP: What's New

January
2013
What's New
Read about new products and services in the areas of instrumentation; heat tranfser; and fluids and solids handling.

Global Relationships Take Center Stage at the 2012 Annual Meeting

January
2013
News Feature
In support of its strategic mission to become a global organization of chemical engineering practitioners, AIChE hosted three joint international symposia at the 2012 AIChE Annual Meeting held in Pittsburgh, PA, Oct. 28 to Nov. 2. AIChE joined with...

AIChE Journal Highlight: An Engineering Roadmap for Biorefining

January
2013
Journal Highlight
In the January AIChE Journal Perspective article, “Engineering Biomass Conversion Processes: A Systems Perspective,” Univ. of Minnesota researchers Prodromos Daoutidis, W. Alex Marvin, Srinivas Rangarajan, and Ana Torres discuss the challenges,...

CEP: Material Matters - A Better, Faster Way to Test FRP

January
2013
Material Matters
Kirk Richardson
Users of fiber-reinforced plastic (FRP) in the chemical process industries (CPI) have long recognized the limitations of the test protocol currently used to determine material compatibility, ASTM C581, Standard Practice for Determining Chemical...

Shale Gas Brightens Outlook for U.S. Chemicals

January
2013
Chem Economics
T. Kevin Swift
The chemical industry will experience moderate annual growth over the next few years — ranging between 2.2% and 4.6% through 2017. The higher growth rate accounts for new investments announced in response to the abundant supply of shale-based...

Design an Inherently Safer Plant

January
2012
Special Section
Senem Surmeli, Steven T. Maher, P.E.
Continue to search for ways to build safety into your process — from conceptual through detailed design, to procurement and construction, and even into operation.

Make Your Existing Plant Inherently Safer

January
2012
Special Section
Jack Chosnek, Victor H. Edwards, P.E.
Don't overlook opportunities to build more safety into a process that is already in operation.

CEP: Update

January
2012
News Update
All-Weather Material Emits Near-IR Light; Graphene Gets Selective; Shock Treatment Creates Nanoporous Materials; Bacteria are Engineered to Eat Cellulose and Produce Liquid Fuels; and more.

U.S. Research Universities - Globalize or Face Demise?

January
2007
Special Section
William R. Schowalter
Although the effects of globalization have revolutionized corporate behavior, they are only beginning to affect the thinking, and much less the policies, of U.S. research universities. It is something that should be embraced, rather than resisted.

Government Perspectives on Sustainability

January
2009
Special Section
Alan Hecht
Advances in science and technology, the application of diverse government regulations and policies, and green business practices are all needed to advance sustainabilty. Biofuels production is a good case study to illustrate how government and...

The AIChE Sustainability Index: The Factors in Detail

January
2009
Special Section
Calvin Cobb, Darlene Schuster, Beth Beloff and Dicksen Tanzil , Darlene Schuster
The AIChE Sustainability Index provides practical benchmarks along a number of well-defined metrics.

Employment of Chemical Engineers

January
2002
Special Section
Freeman Self, Freeman Self 
An analysis of past employment data can help identify future trends in chemical engineering. FreemanSelf-EdEkholm-

Refocusing Chemical Engineering

January
2002
Special Section
Edward Cussler, Edward L. Cussler
To adapt to changes in the industry, chemical engineers will require a change in mindset, as well as an enhanced skillset.

Succeed at Process Integration

January
2004
Career Catalyst
Alan Rossiter
In the application of pinch analysis for energy efficiency improvement and process optimization, technical excellence is necessary and human interactions are important for project success.

Avoid Natural Gas Piping Hazards

January
2011
Safety
John R. Puskar, P.E.
Repairing natural gas piping is inherently dangerous. Follow these safety protocols to avoid potentially catastrophic results from improper installation and repair of natural gas lines.

Clean Up Contaminated Sites

January
2002
Environmental Management
Faisal I. Khan
Risk-based monitored natural attenuation effectively monitors the extent of contamination, the associated risk, and the effectiveness of natural clean-up processes.

Develop a Strategy for Residual Risk

January
2001
Environmental Management
Mary F. McDaniel
Understand the implications of the pending regulations to better address residual risk and to develop an effective communications plan.

Looking for Growth in the Chemicals Industry

January
2012
Chem Economics
T. Kevin Swift
Recovery has stalled in developed nations. Debt, unemployment, and the emerging recession in Europe will encumber U.S. growth prospects in the years ahead. One bright spot, however, is the shale gas story.

Virtualizing Your Process Control Computers

January
2012
Instrumentation
Paul Hodge
By employing the latest virtualization solutions for process control systems, chemical plants can reduce PC hardware requirements, simplify system management, and lower the total cost of ownership, as well as improve site availability, reliability,...

Oxygen and Nitrogen: Onward and Upward

January
2009
News Feature
Suzanne Shelley
Innovative advances continue to benefit all three of today's air separation technologies, helping to reduce power consumption and capital costs, and, in turn, expand their markets.

Determine the Optimum Number of Process Trains

January
2010
Back To Basics
Gregory T. Benz
This article demonstrates that the repair and expense costs of process trains are not proportional to their capital costs and that, in most cases, building one plant with a single process train is the most economically efficient choice. <br>...

Saving Energy in Multilevel Steam Systems

January
2012
Back To Basics
Wiroon Tanthapanichakoon
Avoid some common pitfalls by taking this holistic approach when implementing projects to reduce the consumption of steam.

Determining Manufacturing Costs

January
2009
Back To Basics
John Anderson
Making early estimates of a product's cost components enables developers to manage resources wisely and evaluate the product's economic viability.

Profiles

January
2002
Special Section
Margaret Clarke Hunt
These profiles of a dozen engineers in different stages of their careers offer snapshots of where chemical engineers are employed.

Remember Hand Protection

January
2005
Safety
Laura Randall
Setting up a hand-protection program involves understanding the hazards, choosing the appropriate glove, training personnel on glove use, and ensuring that employees use their gloves properly.

Choose the Right Chemical-Resistant Glove

January
2005
Safety
Julie Copeland
Many gloves offer protection from chemicals. This article will help you understand what type of glove can provide the best protection for your application.

Capital Spending in the Chemical Industry

January
2011
Chem Economics
T. Kevin Swift
Understand the economic state of the chemical industry and trends in capital investment to make wise corporate-spending decisions.
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