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Displaying 1 - 20 of 804 stories.
April 1, 2014
While air-sensitive materials may not be a part of every chemical process, certain catalysts, OLED (organic light-emitting diode) applications, inert gas welding, lithium-ion battery applications and other chemical processes do, indeed, require the inclusion of air-sensitive materials. And, when such materials are present at either research or mass-production scale, it can create an abundance of challenges...
http://www.che.com/news/Mastering-the-Challenges-of-Air-Sensitive-Materials_11605.html
April 1, 2014
"As long as fossil fuels and carbon-intensive industries play dominant roles in our economies, carbon capture and storage (CCS) will remain a critical greenhouse gas reduction solution. With coal and other fossil fuels remaining dominant in the fuel mix, there is no climate friendly scenario in the long run without CCS." So begins the 2013 edition of the Technology Roadmap — Carbon Capture...
http://www.che.com/news/CO2-gets-Grounded_11607.html
March 1, 2014
Polymers like polyethylene, polypropylene, polyvinyl chloride and polyester have become ubiquitous in manufacturing. The properties of polymer-based materials that make them so desirable — they are generally cheap to produce and boast high chemical and thermal stability — also make them abundant, disposable and, in many cases, non-degradable. As landfill space decreases, and with some European...
http://www.che.com/news/Advanced-Polymer-Recycling_11503.html
March 1, 2014
The chemical processing industries (CPI) rely heavily upon the use of sensors to measure everything from weight to temperature to pH to pressure. Because sensors are used for measurements that affect critical processing elements, such as quality, efficiency and safety, it is important that sensors be placed almost everywhere in the facility, including in highly corrosive environments. Also, sensor readings...
http://www.che.com/news/Sensors-Save-the-Day_11514.html
February 1, 2014
In a culmination of more than three years of work by teams from across the globe, the International Organization for Standardization (ISO; Geneva, Switzerland; www.iso.org) on January 10 published the ISO 55000 series of standards surrounding asset management systems (AMS). The newly available standard can help companies in the chemical process industries (CPI) and other asset-intensive industries better...
http://www.che.com/news/Asset-Managements-Next-Act_11399.html
February 1, 2014
Pressure to become more flexible and provide shorter cycle times have prompted chemical processors to examine their mixing operations to determine whether there is a way to increase process efficiency via mixing equipment. And, they just might be onto something, as modern mixing systems are designed for particular process requirements and mixing tasks, allowing them to operate efficiently. The greater...
http://www.che.com/news/Mixing-in-the-spotlight_11413.html
January 1, 2014
Like most of the world, weighing instrumentation has gone digital and gotten connected. Not only do today’s scales, weight transmitters, check weighers, and other weighing equipment include more modern technological advances, but the up-to-date improvements also provide contemporary solutions for a lot of old-school weighing challenges.   Going digital While the main goals of weighing operations...
http://www.che.com/news/Building-a-Better-Weighing-Instrument_11355.html
January 1, 2014
Propylene — one of the most important petrochemical feedstocks — has traditionally been supplied, together with ethylene, primarily from naphtha crackers. The recent exploitation of shale gas in North America is causing a shift to ethane cracking as a source for ethylene ( Chem. Eng., October 2012, pp. 17–19). As a result, petrochemical producers are scrambling to find alternative sources...
http://www.che.com/news/Making-propylene-on-purpose_11356.html
December 1, 2013
There is increasing interest in meeting the growing demand for generating power, fuels and chemicals by tapping into local resources. It not only reduces reliance on imported oil and gas, but also guarantees stable price development over the long term. One available solution, according to the experts, is the environmentally friendly gasification of carbon-containing fuels, such as coal, refinery residues...
http://www.che.com/news/Innovations-in-Gasification_11267.html
December 1, 2013
While staffing issues continue to be a tremendous challenge for companies in the chemical process industries (CPI), a number of strategies and training approaches are emerging to help address the need for trained engineers and skilled tradespersons. The shale-gas boom continues to be a dominant force in the U.S. and global chemical industry, and is having a profound effect on workforce issues in the CPI...
http://www.che.com/news/Feeling-the-brunt-of-prosperity-on-CPI-Workforce-issues_11276.html
November 1, 2013
Last month at the ChemInnovations Conference and Exhibition (Galveston, Tex.; September 25–26), Chemical Engineering ( CE) had the pleasure of honoring this year’s finalists and the winner of the 2013 Kirkpatrick Chemical Engineering Achievement Award, a biennial prize that the magazine has bestowed continuously since the early 1930s (for more, see CE, January 2013, p. 17). The award recognizes...
http://www.che.com/news/42nd-Kirkpatrick-Award-announced_11143.html
November 1, 2013
When it comes to heat exchangers, chemical processors have a lot to consider. The most common concerns include fouling, heat-transfer efficiency, and the ability of the equipment to handle the high temperatures, high pressures and corrosive materials associated with the manufacturing of chemicals. And heat-exchanger manufacturers are continuously tweaking existing technologies to better suit the unique...
http://www.che.com/news/The-New-Face-of-Heat-Exchangers_11144.html
October 1, 2013
Let’s face it, valves may not be the most glamorous piece of equipment in a chemical process industries (CPI) facility, but no plant can function without them. In addition, multiple challenges and issues specific to the chemical processing industry affect valves and valve performance. For these reasons, selecting the right valve — one that will stand up to the rigors and demands of the chemical...
http://www.che.com/news/A-Valve-for-Every-Application_11032.html
October 1, 2013
Lithium-ion rechargeable batteries are the technology of choice for powering portable consumer electronics, but limitations remain, especially when using this battery type in large-format applications like the fast-growing electric vehicles sector. “The four most important challenges for Li-ion batteries are increasing energy density, improving safety, lowering cost and lengthening battery...
http://www.che.com/news/Advancing-Battery-Materials_11037.html
September 1, 2013
Modular construction is slowly, but surely becoming a buzzword in the design/build industry because it provides many benefits to project owners. But does that mean it is the right approach for the chemical process industries (CPI), and specifically, for your application? Here, experts in the industry discuss why and, more importantly, when it makes sense to modularize. “Modular construction is...
http://www.che.com/news/Thinking-Inside-the-Box_10921.html
September 1, 2013
The petroleum refining sector in India plays a vital role in the country’s industrial development and provides a major source to meet India’s energy requirements. Today, the refining sector satisfies about 30% of the total energy demand of India [ 1]. As of April 1, 2013, the total installed capacity of Indian refineries was 215 million metric tons per year (million m.t./yr), of which 80...
http://www.che.com/news/Spotlight-on-Petroleum-Refining-in-India_10938.html
August 1, 2013
As an industry sector, bio-based chemicals have seen significant expansion over the past year, with several commercial developments occurring in a group of four-carbon commodity chemicals, including succinic acid, butanols, butadiene and butanediol. While a host of technology-based companies have built new facilities and scaled up production capabilities, others have formed alliances with established...
http://www.che.com/news/Bio-Based-Chemicals-Gain-Market-Acceptance_10786.html
August 1, 2013
Modeling and simulation are at the heart of chemical engineering design and operations today, whether it is using traditional process flowsheeting tools, computational fluid dynamics, advanced process-modeling environments, or specific equipment design packages (Figure 1). However, much of this modeling is currently performed in isolated “silos” within organizations.  Figure 1. Advanced...
http://www.che.com/news/Modeling-Optimized-Processes_10790.html
July 1, 2013
On May 9, atmospheric carbon dioxide levels surpassed 400 ppm in Mauna Loa, Hawaii for the first time since measurements began there in 1958. This concentration is well above the 280 ppm levels occurring prior to the Industrial Revolution of the 19th century, according to the Scripps Institution of Oceanography, University of California (San Diego, Calif.; scripps.ucsd.edu). Today’s rate of increase...
http://www.che.com/news/CO2-Utilization_10638.html
July 1, 2013
Scaling, fouling and corrosion have long been the enemy of cooling-tower water. While these issues still present significant water-treatment hurdles, today’s processors are also dealing with “impaired” water streams and increasing restrictions affecting intake and discharge water, among other challenges. This one-two punch has necessitated a hybrid approach — one that includes both...
http://www.che.com/news/Cooling-tower-Water-A-Hybrid-Problem-Calls-for-a-Hybrid-Solution_10653.html
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