Genetically Engineered Yeast Consume Toxic Byproduct; New Device Performs Double Duty; Simulations Shine Light on Future Solar Materials; Closing the Voltage Gap; and more.
Chemicals & Materials
As chemical processing plants and related facilities age, they typically develop problems with corrosion. Allowing deterioration to progress until a piece of equipment needs to be discarded and replaced — called the “run to failure” option — can be...
Electronic Skin Lights Up When Touched; Nature-Inspired Windows Cool Themselves Down; First Commercial Production of Cellulosic Biofuel Begins; Water-Splitting Process Produces H2 Isothermally; and more
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
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.
Risk-based inspection (RBI) technology has revolutionized the Chemical process industries' (CPI) approach to plant inspection by enabling improvements in safety and production while reducing costs.
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.
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.
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.
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-...
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...
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.
Now Available: High-Performance Carbon Nanotube Fibers; Nanowire-Based Solar Cell Achieves Record Performance; Fireflies Share Their Light Tricks with LEDs; Tissue Adhesives Are Inspired by the Prickly Porcupine; New Coating Shields Against Nearly All Liquids; and more.
Gregory T. Benz
This article offers guidance on how to design appropriate experiments to measure scalable data for agitation in both aerobic and anaerobic bioreactors.
I like to think of myself as an engineer with an ability to bring various disciplines together to tackle tough challenges,” says Narayan Ramesh, Associate R&D Director at Dow Solar, and recipient of AIChE’s inaugural Industrial Progress Award...
The shale gas boom in the U.S. is transforming the energy marketplace and a wide range of manufacturing industries that rely on natural gas.
Jesse F. Goellner
Development of U.S. shale gas resources will require expansion of infrastructure assets ranging from roads and rails to pipelines and seaports to power-generation plants and ethane crackers, and more.
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.
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...
Oxide Catalysts Get Selective; New Catalyst Challenges Platinum; Quick-Release Tape Peels with Ease; Electronic Skin Mimics the Human Epidermis
Magic Act: Electronics Disappear into their Surroundings; New Material Boasts World-Record Efficiency; Brain Cancer Studies Point to a Bio-Based Route to Nylon; Nickel Misbehaves in Li-ion Batteries, Solar Energy Gets Mixed Up
New Battery Takes Charge of its Power; Nanomaterial Reversibly Stores Hydrogen; Nanoparticles Sneak Past the Brain’s Armor ; and more
Sujata K. Bhatia, M.D., P.E.
A new class of implantable medical materials — constructed from naturally derived and renewably sourced polymers — is poised to transform clinical medicine.
Slippery Surface Is Too Slick for Bacterial Films; New Materials Put the Brakes on Infection; ITO Flexes Its Muscles; Control Wrinkles with this Simple Method; and more
T. Kevin Swift
The American Chemistry Council (ACC) has launched a new set of indexes covering nearly 30 segments of the U.S. specialty chemicals market. (The first, which dealt with plastic additives, was discussed in the July issue, p. 13.) This is the first set...
In the wake of the mid-20th century emergence of the oil-based global chemical industry and the rise of Europe as an International market force, Spain's chemical industry has become modern and competitive.
An all-in-one reference combining hydrodynamic theory with drilling applications for the design, planning, and optimization of drilling operations Hydromechanical processes underlie the majority of technology operations in drilling and present a crucial concern as the pace and depth of drilling...
Updates Include: The Natural Gas Debate Continues Smart Material Stays Cool in the Heat Firefly-Semiconductor Hybrid Lights Up Ionic Liquid Improves Hydrogen-Producing Catalyst One-Pot Synthesis Yields Zeolites at Bargain Prices High-Carbon Diet...
Joseph S. Alford, P.E.
Automation can pay large dividends in the form of reduced process cycle times, lower operational costs, and more-consistent processes for manufacturing high-quality pharmaceutical products.
Nanotechnology— it's a small science with big stakes. Some of the unique properties that make nanoscale materials useful may also pose hazards to humans and the environment. Can the EPA find a way to effectively regulate these tiny high-tech...
Suzanne A. Shelley
Promising nanotechnology-enabled sensors, monitoring devices and analytical instruments continue to advance toward commercialization for diverse industrial, environmental, medical and military applications— but hurdles remain.
Ana G. Maldonado
In silicocatalyst optimization is the ultimate application of computers in catalysis. This article provides an overview of the basic concepts of predictive modeling and describes how this technique can be used in catalyst and reaction design.
T. Kevin Swift
Not all polymers are useful and/or processable in their natural form. Thus, functional chemicals are added to polymer resins to facilitate processing and to enhance, extend, or otherwise modify the properties of the plastic products manufactured from polymer resins. Such plastic additives represent a $4.6-billion business in the U.S.
Robert T Jacobsen
Sampling is the key to determining the precious-metals content of spent catalysts, and ultimately the value of the metals.
Daniel G. Loffler
Age and life are not suitable parameters to compare catalyst performance. The proper ones are the rate of reaction and the rate of deactivation.
This faculty directory lists the contact information of all the faculty members, placement administrators, and student organizations of almost 500 worldwide universities and technical institutes offering chemical engineering curricula. This offers a comprehensive reference tool that is unique and...
Robert Lewis, Svetlana Ivanova
Pressure swing adsorption (PSA) can be a cost-effective method of onsite nitrogen generation for a wide range of purity and flow requirements.
Gregory T. Benz
Optimize fermenter performance and cost by sizing the proper impeller system for your application.
Robert J. Fisher, Thomai Panagiotou
This continuous bottom-up approach allows precise control of the crystallization process to achieve size, distribution and quality goals, as well as realize the benefits of process intensification.
Dennis Vauk, Ian Moore, Nick Hallale
In a petroleum refinery, viewing hydrogen as an asset rather than a liability can lead to increased profits. The key is in the mindset. A typical investor uses money to make money. This article shows you how to use hydrogen to make money.
An understanding of the basic approach to creating vaccines, as well as how vaccines confer immunity, is essential to developing safe and cost-effective formulations.
Robert Mackey, Tim Flanigan
Today, validation is no longer an afterthought for the design and construction of a new or renovated process or facility. It is, in fact, recognized as an integral part of the total project. Fully integrated services are now available to ensure a...
Douglas C. White
Identifying the right automation investments — those with low costs and high impacts — can result in millions of dollars in energy savings for petrochemical plants. <br>
William Wilkie, Victor Norton
Before selecting a centrifuge for your application, understand its principles of operation and investigate the key process variables.
Christopher Haslego, Graham T. Polley
Here's how to incorporate plate-and-frame exchangers into new plant design using pinch analysis.
Jose M. Otero, Bret R. Phillips, Michael E. Laska, John G. Aunins
Fundamental chemical and bioprocess engineering principles and tools will be key to developing and manufacturing vaccines and expanding their availability around the world.
Sterilization-in-place (SIP) systems are essential to the operation of many pharmaceutical and biotech facilities. This article reviews design considerations, selection criteria and performance expectations for control valves, regulators, isolation...
Nickel and its alloys offer resistance to attack by a wide range of chemicals, including acids, alkalis and salts, making these materials suitable for may CPI applications.
Specialty metals should be considered for processes that push beyond the corrosion limits of steel. New composites and surface alloy technologies expand the options for defending against corrosion.
Keith E. Johnson , Christopher J. Ramsey, Kevin J. Bittorf, David S. Dickey
Physical modeling and computer simulation provide insights into the performance of a glass-lined reactor.
Girish Malhotra, P.E.
Chemical engineers could hold the key that helps pharmaceutical companies — facing pressure to control rising drug prices and competition from generics — reduce their manufacturing costs.
Alex Patist, J. J. Hahn , Aristos Aristidou , Pim van Hoek
Designing an economically competitive and environmentally sustainable fermentation route means considering the downstream separations needed to capture the final product during the initial process design.
Mihail C. Roco
Nanoscale science and engineering continue to evolve from a scientific novelty to a broad-based technology with potential to transform medicine, productivity, sustainability, and quality of life.
Robert T Jacobsen
When selecting a precious metals refiner, it’s important to first understand the basics of sampling, assaying and environmental issues, as well as the concept of leasing metal.
B. G. Swanson, M. F. San Martín, G. V. Barbosa-Cánovas
Today's savvy consumers want processed foods to look freshly prepared, while still meeting all safety requirements. Conventional thermal treatments are inadequate to fulfill this demand. New nonthermal techniques, such as pulsed-electric fields, are...
William Ho Liam Teng, Gregory T. Benz
Issues such as sterility, isolation and contamination must be considered when choosing seals for use in biotech and pharmaceutical processes. This overview describes common types of seals and offers guidance on selecting the appropriate seal for...
High temperatures, stresses, and the presence of elements such as oxygen, sulfur, or the halogens can add up to trouble. Here is how to screen candidate alloys for such service.
Mihail C. Roco, Mindy Rittner, Daniela L. Carrillo, Paul Holister, Cristina Roman Vas, Tim Harper
Nanotechnology, as a whole, is still an emerging area with the need to make progress in both scientific and technological terms before enormous commercialization of products may occur. Nevertheless, commercial products are out there — more in some...
Gregory T. Benz
Fermentation processes are based on chemical engineering principles. Understand these concepts to achieve optimal bioreactor design.
Yasha Zelmanovich, Terrence Fay
Kilo labs are instrumental in scaling up the production of active pharmaceutical ingredients. This article discusses the critical factors that must be considered to design such a facility.
Disruptive technologies, such as disposable bioreactors, metabolic ?ux models, and glycoengineered yeast, could change the face — and pace — of biomanufacturing.
In today's competitive marketplace, biopharmaceutical companies are seeking effective and user-friendly drug-delivery platforms for their drug molecules. Miniaturized, microfabricated and nanofabricated devices that can be implanted in the body are...
William M. Stahl
Match a material's performance to process conditions to reduce leaks, improve safety and extend the mean time between failures (MTBF).
John A. Williams
A few basic types of bioreactor designs are used to produce a wide range of products, from antibiotics to foods to fuels. Here's how to pick the best options for your application.
Francesco Picciotti, Marcello Picciotti
This article looks at some common corrosion-resistant alloys and gasket materials that are available for use in applications with high pressures and temperatures.