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AIChE | The Global Home of Chemical Engineers
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.
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...
Overcoming Future Challenges through Engineering Excellence will be the uniting theme at the 2nd Middle East Process Engineering Conference (MEPEC 2013).
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.
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.
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...
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
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...
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.
Tjeerd Jongsma, Andrzej Stankiewicz
Marked by a culture of open innovation, the Dutch system of collaboration creates unique opportunities for advances in process technology.
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...
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...
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.
Enrico N. Martinez
New investments in industry and raw materials, as well as the modernization of infrastructures and industry practices, can help to reverse México's growing trade deficit and restore the health of its chemical industry.
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.
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.
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.
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...
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.
Emily Thorn Corthay, Megan Dover, Robert Griesbach, Robert Storey
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...
Understand what kind of pressure-relief valves you have in your plant, and know what you must do to ensure that they work properly.
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.
News Feature: Graphene Marches Down a Long Road to Commercialization A Stretchable, Rechargeable Li-Ion Battery Makes its Debut Defects Strengthen Magnesium Alloys Gold Lights the Way to Quantum-Dot Solar Cells Japan Taps into Fire Ice A Phase-...
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.
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
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...
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...
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...
Leaks in fluid-containing castings, such as pumps and valves, present major problems for chemical processing plants. To address this issue, the Materials Technology Institute (MTI) funded a casting quality prediction project aimed at developing a...
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.
Chattering is the rapid opening and closing of a pressure-relief valve. The resulting vibration may cause misalignment, valve seat damage, and, if prolonged, mechanical failure of valve internals and associated piping. Some causes of chattering...
AIChE’s newest Equipment Testing Procedure provides chemical engineers, plant managers, and other plant personnel with advice for assessing the performance of these important components of petrochemical, natural gas production, air separation and other industrial processes. The book, which...
Color-Shifting Fibers Take their Lead from Nature; Nanocapsules Target Cancer Cells without Harming Healthy Ones ; Graphene Straightens Out with Some Help from Copper; Silicon Made Easy for Batteries; and more.
Viewpoint #1 Regulate the Product, Not the Process by Gregory Conko Viewpoint #2 Not All Sugar & Spice
If you manage to stay afloat long enough, past associations inevitably resurface. At a recent Société de Chimie Industrielle luncheon, I reconnected with a client who I hadn’t seen in almost 30 years. In 1983, I was retained by an investment banker...
Lack of labeling can be a safety problem, and poor or confusing labels or information signs can be even worse.
Michael Cipullo, Jeffrey Mueller
Use this holistic approach as the basis for a process development strategy to identify environmentally sound, cost-effective, low-waste-generating processes.
K. Eric Bengtson, John W. Carson, Thomas G. Troxel
A sound theoretical model of the process to be scaled is the best approach; if one is not available, bench-scale testing, physical scale modeling or full-scale modeling is required. Here are guidelines as to which method is appropriate for various...
Eliminate unnecessary damage in piping systems by following these guidelines to avoid pulsations from pumps and compressors.
Emil Abkar, Khashayar Afshar, Henry Z. Kister, Jeffrey Scherffius
Generalized pressure-drop correlation (GPDC) charts have been the standard for predicting packing flood points and pressure drops. This article guides engineers on the correct and incorrect uses of the GPDC interpolation procedure, and updates the...
Charles W. Forsberg
The end of the oil age is coming. While the replacements for oil are uncertain, the leading candidates have one thing in common — the need for massive quantities of hydrogen in the production process.
Mitrajit Mukherjee, James Nehlsen, Richard V. Porcelli
To ensure a practical, efficient and economically viable process, first consider how a successful catalytic reaction system would work, then focus on making a catalyst with the desired characteristics.
Next-generation DNA sequencing techniques have both revolutionized the field of genetics and introduced a new set of challenging bioinformatics problems. These new methods carry out a massive number of sequencing operations in parallel and read...