AIChE

Selecting the Optimal Cooling Tower Fill

August
2013
Heat Transfer
Paul Puckorius
The most important action of an evaporative cooling tower occurs on the heat-transfer surface — called fill — inside the tower. Follow these guidelines to choose the appropriate fill for your application.

CEP: Career Corner - Becoming a Leader

August
2013
Career Corner
Loraine Kasprzak
What do Sheri McCoy, CEO of Avon Products, the late Robert Goizueta, former Chairman and Chief Executive of Coca-Cola, and Andrew Grove, former Chairman and CEO of Intel, have in common? They all started their careers as chemical engineers and later...

CEP: What's New

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

Understand the Basics of Process Analytical Technology

August
2013
Instrumentation
Joseph Alford
Biotechnology and pharmaceutical companies can reap benefits from PAT, which involves identifying critical process parameters (CPPs) that influence key product attributes and controlling these CPPs to improve process efficiency and product consiste

CEP: Institute News

August
2013
Institute News
New Fellows; Ammonia Safety Symposium; AIChE Election in Progress

Use Process Mapping to Improve Quality

August
2013
Management
Charlie Moore, Tony Cooper
Process mapping integrates science, engineering, and process knowledge with data and statistics to reveal opportunities for process improvement.

CEP: Process Safety Beacon - Can a Water Pump Explode?

August
2013
Process Safety Beacon
The answer must be yes, or we would not have a Beacon on this subject. The centrifugal pumps in the pictures are all water pumps that exploded. The explosions did not occur because of any contamination or chemical reaction with something that was...

CEP: News Update

August
2013
News Update
Hot Off the Press: The World’s First 3D-Printed Battery; Nonmetal Compound Catalyzes CO2-to-Methanol Reaction; Iron Catalyst Gives Hydrogenation a Green Makeover; and more

CEP: Editorial - What Will You Do on Your Summer Vacation?

July
2013
Editorial
Cynthia Mascone
What Will You Do on Your Summer Vacation? In this month’s YPOV column (p. 20), Arjun Gopalratnam points out that the summertime is a great time for self-improvement, and he urges us to expand, in particular, our computer programming experience. He...

Best Practices for Hazardous-Waste Management

August
2008
Environmental Management
Isaac Powell
A waste generator can reduce the risks of incurring financial penalties and damage to its reputation by implementing these hazardous-waste determination, vendor management and document control programs.

Use Hydrogen Safely

July
2013
Safety
Svetlana Ivanova, David Farese
Understand the potential dangers associated with handling and storing hydrogen, and take the appropriate precautions to mitigate the risks.

Algal Biofuels: The Process

March
2011
SBE Special Section
Al Darzins, Eric P. Knoshaug
The production of algal biofuels involves algae cultivation, biomass harvesting and dewatering, lipid extraction, and conversion to fuel.

CEP: Institute News

July
2013
Institute News
2013 AIChE Election; Candidate Platforms; 2012 AIChE Financial Statement; Member News

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.

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...

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.

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...

Evaluating Centrifugal Compressor Performance

July
2013
Fluids and Solids Handling
AIChE’s Equipment Testing Procedures Committee; Centrifugal Compressor Procedure Subcommittee
Follow these practical tips to determine the condition of your centrifugal compressors.

Apply Six Sigma for Process Improvement and Problem-Solving

March
2011
Back To Basics
George Liebermann
Many manufacturing processes are not run as efficiently as they could be. The Six Sigma methodology provides a foundation for continuous improvement and for solving quality, operational, and other problems.

CEP: What's New

July
2013
What's New
Read about new products and services in the areas of fluids and solids handling; materials and chemicals; bioprocessing; and laboratory equipment.

CEP: News Update

July
2013
News Update
Inkjet-Printed Graphene Rolls Out; UV Treatment Improves Membrane Selectivity; Additive Sweetens the Prospects for Organic Electronics; Protective Coating Connects Electronics and Living Tissue; and more.

Green Reactors

August
2008
Reactions and Separations
Mukesh Doble
Compare these microreactor technologies, along with the intrinsic advantages and disadvantages of miniaturization, to achieve process intensification.

Developing Crystallization Processes

March
2011
Reactions and Separations
Christianto Wibowo
With solid-liquid equilibrium as its foundation, this systematic approach makes it easy to identify operating regions and theoretical yield to maximize the desired product.

CEP: YPOV - Negotiating for Financial Success

May
2013
YPOV
Arjun Gopalratnam
A discussion among graduating seniors and AIChE young professionals at the recent 2013 Southern Regional Student Conference turned to questions about negotiating job offers. The compensation you first receive often dictates your future growth at a...

CEP: YPOV - The Virtual Chemistry Set of the 21st Century

July
2013
YPOV
Arjun Gopalratnam
It is beyond cliché to say that most New Year’s resolutions are forgotten by the second week of January. Similarly, I’ve noticed that spring cleaning rarely has the impact it was intended to have. The best time to work on self-improvement is during...

CEP: AIChE Journal Highlight - Reduce Water Use in Steam Systems

July
2013
Journal Highlight
Steam systems are the largest consumer of energy in the U.S. manufacturing sector, and are prominent in the chemical process industries (CPI), where steam is critical to several ubiquitous processes, including distillation, stripping, cracking, and...

Chemistry Simulation Drives Clean Technology Progress

August
2008
Fluids and Solids Handling
Scott A. Drennan
Here's how to determine when to use computational fluid dynamics (CFD) to simulate the detailed chemistry of reacting flows for combustion and chemical processes.

Hit the Ground Running on Your Next Project

May
2013
Career Catalyst
Glen Rosentrater
Despite the progress made in project management theory, these advances are just starting to make their way into the chemical process industries. Use this step-by-step framework to implement some key best practices.

Algal Biofuels: The Backstory

March
2011
SBE Special Section
Arjun Gopalratnam
Increasing energy demand and dwindling energy resources have spurred interest in making transportation fuels from renewable sources such as microalgae.

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...

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: 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...
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