AIChE

Process Burners 101

August
2013
Back To Basics
Erwin Platvoet, Charles Baukal
Process burners may be classified based on flame shape, emissions, fuel type, and other characteristics. Here’s what you need to know to work effectively with a burner manufacturer when selecting a burner for your application.

Algal Biofuels: The Research

March
2011
SBE Special Section
Kimberly Ogden, Kuan-Chen Cheng
The individual technical elements of the algae-to-biofuels process have already been demonstrated at the laboratory scale. Ongoing research seeks to refine the technology to enable scaleup to commercial production.

Characterize Reactive Chemicals with Calorimetry

July
2013
Safety
Jason Keith, Daniel Crowl
In designing and operating chemical manufacturing processes, the reactivity of chemicals must be identified to avoid hazards. Calorimetry experiments combined with analytical methods provide a straightforward technique to identify these reactions...

CEP: Process Safety Beacon - Remembering Piper Alpha

July
2013
Process Safety Beacon
This month marks the 25th anniversary of the Piper Alpha offshore oil platform disaster in the North Sea approximately 110 miles (180 km) from Aberdeen, Scotland. On July 6, 1988, a series of catastrophic explosions and fires destroyed the platform...

Germany's Chemical Parks: Industry Landscaping

October
2011
Global Outlook
Chemical parks are synergistic environments for the companies located there — thanks to integration of infrastructure and shared resources and distribution networks. In Europe, Germany’s central location and unique geography have contributed to the...

2013 AIChE Salary Survey

June
2013
Salary Survey
Chemical engineering salaries have increased over the past two years, reflecting an improved economy and job market for engineers. The median salary of survey respondents is $120,000 — a 9% increase over the median reported in 2011. This expanded version of the article that appeared in print in the June 2013 issue of CEP includes addittional information, tables, charts and more detail.

The Netherlands' Process Technology Networks

June
2012
Global Outlook
Tjeerd Jongsma, Andrzej Stankiewicz
Marked by a culture of open innovation, the Dutch system of collaboration creates unique opportunities for advances in process technology.

Nanotechnology: A Guide to Nano-Objects

May
2011
On The Horizon
Michael Wong, Sravani Gullapalli
Rapid change in the field of nanotechnology can make it hard to keep track of the latest nanomaterial developments. Here's a primer on the most common shapes, sizes, and compositions of nano-objects.

China: Past, Present and Future of Chemical Engineering

April
2011
Global Outlook
Yi Cheng, Yong Jin
The need to address ecological problems stemming from China’s burgeoning industrial growth is the impetus behind many recent developments in China’s surging chemical industry.

Evaluating Distillation Column Performance

June
2013
Reactions and Separations
AIChE’s Equipment Testing Procedures Committee, Tray and Packed Columns Procedure Revision Subcommittee
Follow these guidelines to assess the capacity and efficiency of distillation columns containing trays or packing.

CEP: Profile - Young Perspectives

June
2013
Profile
Last year marked the tenth anniversary of AIChE’s Young Professionals Advisory Board (YPAB) and its transformation into the Young Professionals Committee — which is tasked with engaging younger generations of AIChE members and leaders. Wendy Young...

Meeting the Needs of the Water-Energy Nexus

April
2011
Critical Issues
David Klanecky, Snehal Desai
Water is required to produce energy, and energy is required to make use of water — the two are, and always will be, inextricably linked. Engineers must understand the water-energy nexus in order to manage both efficiently and sustainably.

Minimize Electrostatic Hazards During Process Operations

June
2013
Safety
Vahid Ebadat
Understand the electrostatic hazards of your process so you can limit the accumulation of charge and prevent static discharge in flammable atmospheres. Select the appropriate combination of electrostatic mitigation measures to ensure safety from electrostatic ignition hazards.

CEP: Career Corner - Transitioning to Management

June
2013
Career Corner
Loraine Kasprzak
One of the proudest moments of my early career was when I received a promotion from senior engineer to first-line manager. It took about a week for the elation to wear off, as I began to realize how much responsibility I had for producing results...

Nigeria: Chemical Engineering—Development, Challenges, and Prospects

June
2013
Global Outlook
Oluwafem Taiwo, Emmanuel Dada, John Erinne
Nigeria is a nation endowed with abundant natural resources and engineering talent. Current policy and reforms in the downstream and natural gas sectors are expected to boost Nigeria’s economy and restore growth and vibrancy to its chemical process industries.

Biology as a Basis for Biochemical Engineering

July
2013
Back To Basics
Sujata Bhatia
Biochemical engineering demonstrates the versatility of the living cell as a miniature reactor. Living cells can be genetically engineered to produce specific proteins, tuned to manufacture novel enzymes, and optimized to guarantee genetic stability and consistent production of desired products.

South Korea's Chemical Industry: Progress and Challenges

December
2011
Global Outlook
Jae Hyun Cho, Il Moon
South Korea's chemical industry is entering a position of leadership in the world market. However, new investments in energy resources, a shift to higher-value-added products, and development of core environmentally friendly technologies are needed...

Selecting a Centrifugal Compressor

June
2013
Back To Basics
James M. Sorokes
End users must specify certain performance requirements when requesting a quote for a new centrifugal compressor. Understand your process, as well as the advantages and disadvantages of each centrifugal compressor configuration, in order to choose the optimal centrifugal compressor for your application.

CEP: Institute News

June
2013
Institute News
Highlights from the Spring Meeting and Global Congress on Process Safety; Saudi Arabia Section Will Host an Expanded Middle East Process Technology Conference — Sept. 29 – Oct. 2, in Bahrain; Calendars.

CEP: What's New

June
2013
What's New
Read about new products and services in the areas of instrumentation; fluids and solids handling; materials and chemicals; bioprocessing; and environmental, health, and safety.

CEP: Editorial - ChE Salaries Rebound, But Gaps Remain

June
2013
Editorial
Cynthia Mascone
Two years ago, AIChE’s biennial salary survey found that chemical engineers’ salaries had stagnated and raises were the lowest they had been in two decades. Fortunately, the situation appears to have turned around somewhat. The 2013 salary survey (...

Singapore’s Chemicals Industry: Engineering an Island

April
2013
Global Outlook
Keith Carpenter, Wai Kiong Ng
The chemicals industry is a pillar of Singapore’s economic success. The island city-state’s emergence as a chemical industry leader has been boosted by investment in infrastructure and the creation of an industrial island complex.

CEP: Process Automation Corner - North America’s Emerging Energy Independence

June
2013
Process Automation Corner
Terry McMahon
What a difference a few years can make! In mid-2005, I wrote a column (for another publication) entitled “The U.S. Chemicals Industry, R.I.P.” The situation got no better for the next few years, but starting toward the end of the last decade, based on improved extraction methods, U.S. natural gas production began to grow rapidly.

CEP: News Update

June
2013
News Update
Sinewy Fibers Boast Strength and Toughness; Graphene Stacks Up to Bandgap Limitations; Squishy Material Toughens Up when Stressed; A Tiny Forest of Semiconductors Mimics Nature’s Photosynthesis; and more

CEP: Process Safety Beacon - Why Can't I Open that Valve?

June
2013
Process Safety Beacon
In April 2004, an explosion and fire at a polyvinyl chloride (PVC) plant killed five people and severely injured three others. The explosion and fire destroyed most of the reactor building and an adjacent warehouse. Because smoke from the fire drifted...

CEP: Profile - An Engineer Who Embraces Risk

May
2013
Profile
An entrepreneur is someone with a certain attitude — a mindset — a way of looking at the world,” reflects Loraine Huchler, winner of the 2012 Society of Women Engineers’ (SWE) Entrepreneur Award. Huchler, founder and president of MarTech Systems, Inc...

Selecting Flowmeters to Minimize Energy Costs

May
2013
Instrumentation
Greg Livelli
Choosing a flowmeter with a low permanent pressure loss can reduce pump or compressor work requirements and increase steam boiler capacities — thereby trimming annual energy costs.

Conducting an Energy Design Review

May
2013
Energy
Megan Dover, Robert Storey, Emily Thorn Corthay, Robert Griesbach
Formal energy design reviews help to ensure that energy is treated as a key factor in decision-making throughout the various stages of a design project. This approach can significantly improve a site’s energy performance. An energy design review (EDR...

CEP: Product Digest

May
2013
Product Digest
This month's topic is Piping, Tubing, Fittings and Hoses.

CEP: Editorial - Don’t Miss Important Warning Signs

May
2013
Editorial
Cynthia Mascone
Process safety is on my mind for several reasons, including the recent explosion at a Texas fertilizer plant and this month’s On the Horizon article, “Improve Process Safety with Near-Miss Analysis,” by Ulku Oktem, Warren Seider, Masoud Soroush, and...

CEP: What's New

May
2013
What's New
Read about new products and services on exhibit at the Air and Waste Management Association Expo.

CEP: News Update

May
2013
News Update
Artificial Organs Hot Off the Press; Biofuel Byproducts and Concrete Mix It Up; Squid Inspires Material for Medical Implants; Polymer Chains Line Up to Provide High Performance; Ribbons of VO2 and Graphene Enable Ultrafast Batteries; and more.

CEP Editorial: Help Grow AIChE’s Apprentice Program

April
2013
Editorial
Cynthia Mascone
If you are a young professional under the age of 35 and are willing to assume a leadership role in AIChE (on a project of your choice), the AIChE Foundation, through its Young Professionals Apprentice program (CEP, Sept. 2012, p. 72), will subsidize...

Determining Torque Split for Multiple Impellers in Slurry Mixing

February
2012
Fluids and Solids Handling
Gregory T. Benz, P.E.
Yield-stress slurries, such as those used in paper, biofuel, and polymer production, can be difficult to mix. This article explains how to determine torque requirements for multiple-impeller slurry-mixing systems to optimize tank geometry and...

Bioactive Devices: Uniting Form with Function

March
2013
SBE Special Section
Sujata Bhatia
Bioactive implants that combine a medical device with one or more biologic therapeutic agents show promise for the targeted treatment of complex medical conditions. Implantable medical devices, such as stents, grafts, and joint replacements, are...

Coriolis: The Direct Approach to Mass Flow Measurement

March
2013
Back To Basics
Tom O’Banion
Coriolis meters eliminate the need to measure and correct for pressure, temperature, and density fluctuations to determine mass flowrate. Although their capital costs may be higher, they typically have a lower overall cost of ownership than other types of meters

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.

Assess Hazards with Process Flow Failure Modes Analysis

March
2013
Safety
Rosalynn MacGregor
Process flow failure modes (PFFM) analysis is an intuitive, process-flow-directed way to identify potentially hazardous scenarios. Learn how to apply this technique to your process hazard reviews.

CEP: Patent Update - An Invention's Nonobviousness May Not Be Obvious

April
2013
Patent Update
M. Henry Heines
To qualify for a patent, an invention must be both novel and nonobvious. Novelty requires that the invention differ in some way from the prior art, such as earlier patents and published materials. Nonobviousness requires that there be more than just...

Understand the Basics of Membrane Filtration

April
2013
Back To Basics
Hua Wang, Hongyi Zhou
Membrane filtration is an integral part of many industrial processes, as it is often more environmentally sustainable and cost-effective than other separation technologies

CEP: Update

May
2006
News Update
Bioprocessing Systems Go disposable: Single-use disposable technology is gaining acceptance in the bio-pharmaceutical arena, especially with processors seeking to reduce their operating costs and add flexibility to their manufacturing schemes...

SBE Update: Drug Delivery and Chemical/Biological Engineering

March
2013
SBE Special Section
June Wispelwey
Although you might not associate drug delivery with chemical engineering, the principles of chemical engineering — such as mass and energy balances, transport phenomena, reaction kinetics, and particle technology — are intimately involved in drug...

Improve Process Safety with Near-Miss Analysis

May
2013
On The Horizon
Ankur Pariyani, Masoud Soroush, Warren Seider, Ulku Oktem
Valuable information about unsafe conditions resides in the large alarm databases of distributed control systems and emergency shutdown systems. This overlooked and underutilized information can be analyzed to identify process near-misses and determine the probability of serious accidents.

Apply Quantitative Gamma Scanning to High-Capacity Trays

April
2013
Reactions and Separations
Henry Kister
Push valves, multiple downcomers, and truncated downcomers boost tray capacities, but they also present troubleshooting challenges. Use quantitative gamma-scan analysis to measure froth heights, froth densities, and blowby in order to solve...

Introduction to Drug Delivery Technology

March
2013
SBE Special Section
John T. Santini, Jr.
Drugs can be administered by many routes, yet all emerging drug delivery technologies aim to improve drug efficacy, minimize side effects, and reduce the burden of care for patients and physicians.

CEP: Institute News

April
2013
Institute News
2013 Election Slate Spring Meeting Keynote Speaker Member News Calendars

Selecting Baffles for Shell-and-Tube Heat Exchangers

February
2012
Heat Transfer
Salem Bouhairie
Baffles play a crucial role in regulating shellside fluid flow and improving heat transfer between shellside and tubeside process fluids. Here's how to choose the correct baffle to meet process requirements.

Engineering Biodegradable Nanoparticles for Drug and Gene Delivery

March
2013
SBE Special Section
W. Mark Saltzman, Junwei Zhang
Engineered nanoparticles can deliver therapeutic agents to specifically targeted cells and then release those agents in a precisely controlled manner. Improved pharmacokinetic properties, reduced toxicity, and the ability to cross biological barriers are some of the key benefits of this approach.
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