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Displaying 81 - 100 of 814 stories.
May 1, 2011
Motorists filling up at U.S. gasoline stations these days may think that petroleum refiners are making good profits, but it depends on where the station gets its fuel. The industry is plagued by overcapacity and is concerned about government regulations that call for greater use of renewable fuels and tougher pollution control. The National Petrochemical & Refiners Assn. (NPRA, Washington, D.C....
http://www.chemengonline.com/news/Petroleum-refining-in-the-spotlight_7943.html
May 1, 2011
As chemical processors continue their quest to process more with less equipment, they are seeking reactors capable of helping with this endeavor. For this reason, many are turning to continuous flow reactors because they provide scaleability and flexibility. However, vendors of specialty batch reactors are making every effort to provide these same characteristics in their models, as well. As a result...
http://www.chemengonline.com/news/Getting-a-Reaction_7983.html
April 1, 2011
  The chemical process industries (CPI) are looking for ways to decrease and control costs, and mixing operations are not exempt from this belt tightening. But because mixing is vital to most chemical processes, it can’t be eliminated. As a result, processors are clamoring for mixing equipment that provides more functionality so they can perform more tasks with less equipment.  Figure 1...
http://www.chemengonline.com/news/Mix-It-Up!_7745.html
April 1, 2011
Traditionally, most students have learned about chemical reactions in laboratories using test tubes, beakers and flasks. Those who have gone on to discover and develop new products have typically done so using these batchwise techniques. This mind-set has continued through the piloting and scaleup phase, so that today, many chemical products are produced batchwise in large, continuously stirred reactors...
http://www.chemengonline.com/news/Shedding-Light-on-Microreactors_7844.html
March 1, 2011
Process plant operators continuously face the pressure of having to increase productivity by improving equipment reliability and plant availability, a goal seemingly at odds with the everyday realities of decreased operating budgets, rising energy costs and increasing operations costs. And, when it comes to energy consumption and maintenance costs, chemical process pumps are possibly the most notorious...
http://www.chemengonline.com/news/Pump-It-Up_6436.html
March 1, 2011
The production of biotechnology-based chemicals, while still a niche operation in terms of global chemical production, is demonstrating double-digit growth, says a recent SRI Consulting report*. Enabled by rapid advances in industrial biotechnology and significant increases in the price of crude oil over recent years, the number of biotechnology-based chemicals within the sights of commercial producers is...
http://www.chemengonline.com/news/Bio-Based-Chemicals-Positioned-To-Grow_6450.html
February 1, 2011
Current industry syngas output has increased by 26% since 2007 — and by 50% since 2004 — reaching a current gasification capacity of 70,817 MWth of syngas output, according to the U.S. Dept. of Energy’s (DOE; Washington, D.C.; www.energy.gov) 2010 Worldwide Gasification Database. With 48 new plants (93 gasifiers) planned or under construction in the period 2011–2016, the global...
http://www.chemengonline.com/news/Coal-to-Chemicals_6368.html
February 1, 2011
Given the state of the still-lagging economy, it doesn’t come as a surprise that the chemical process industries (CPI) are attempting to get more finished product from their existing processes at lower costs. As a result, many are examining their liquid-to-solid separation operations with hopes of eking out additional product and savings. And, it appears that more robust and versatile automated...
http://www.chemengonline.com/news/S-L-separation-No-more-separation-anxiety_6369.html
January 1, 2011
 Figure 1. Experts anticipate the new EPA standards regarding SO2 will likely increase capital and engineering costs SOLVAir Solutions Last June, the U.S. Environmental Protection Agency (EPA; Washington, D.C.) strengthened the primary National Ambient Air Quality Standard for sulfur dioxide by establishing a new one-hour standard at a level of 75 parts per billion (ppb). Previous primary...
http://www.chemengonline.com/news/SO2-standards-Time-Crunch_6285.html
December 1, 2010
As level is a critical parameter for those in the chemical process industries (CPI), level measurement instrumentation has been around for some time. But as processors scramble to become more efficient, reduce waste, control inventory and abide by environmental regulations, level measurement has become even more important. As a result, device manufacturers are improving existing technologies with...
http://www.chemengonline.com/news/Level-Measurement-On-the-Level_6199.html
November 1, 2010
Much attention over the past two years has been focused on alternative energy and green chemistry. So it is particularly appropriate that Chemical Engineering’s (CE) 2010 Personal Achievement Award recognizes two individuals with expertise in those fields. Last month, at an award ceremony held at the ChemInnovations Conference and Exhibition in Houston, Tom McGowan, a longtime consultant in biomass...
http://www.chemengonline.com/news/2010-CE-Personal-Achievement-Award_6107.html
November 1, 2010
Following the devastating explosion at the Imperial Sugar Co.’s Georgia factory that killed 14 people, injured many more employees and leveled the facility in February 2008, it was determined by the U.S. Occupational Safety and Health Admin. (OSHA; www.osha.gov) officials and the U.S. Chemical Safety Board (CSB; both Washington, D.C.; www.csb.gov) that the catastrophe could have been prevented had...
http://www.chemengonline.com/news/Explosion-Prevention_6119.html
October 1, 2010
As demand for rare-earth metals in a wide range of technology applications continues to increase, efforts to reestablish mining and production of rare-earth elements (REEs) is underway outside China, currently the dominant force in REE production. Future supplies of REEs and the myriad products in which they appear will depend less on absolute geological reserves and global trade politics and more on...
http://www.chemengonline.com/news/Rare-Earth-Metals-For-the-Future_6032.html
October 1, 2010
To achieve success in today’s marketplace of global competition, chemical processors need to improve productivity while minimizing the total cost of ownership, which requires new measures and concepts. Wireless solutions offer far more benefits than just the elimination of cables and installation costs. Users also profit from more efficient maintenance and greater flexibility and mobility. Wireless...
http://www.chemengonline.com/news/Wireless-Wireless-Everywhere_6033.html
September 1, 2010
As potential threats continue to make headline news around the world, it is clear that the need for security measures is an ongoing process, and that this process requires vigilance. The chemical process industries (CPI) are considered part of the critical infrastructure in the U.S., and as such are regulated by the U.S. Dept. of Homeland Security (DHS; Washington, D.C.; www.dhs.gov) under the Chemical...
http://www.chemengonline.com/news/Securing-the-Chemical-Process-Industries_5953.html
September 1, 2010
Athough the municipal water demand is considerably greater than that of industry, many of the municipal needs are addressed by relatively basic technologies, while industrial requirements can only be met with advanced treatment options. And, as industrial water demands continue to grow due to regulatory restrictions and mandates, water treatment providers are developing innovative desalination...
http://www.chemengonline.com/news/Desalination-From-Sea-to-Shining-Sea_5954.html
August 1, 2010
Considering that a large fraction of the synthesis gas (syngas) produced today is made by steam reforming of natural gas, it might seem curious that in some parts of the world, syngas is being converted into substitute natural gas (SNG). Nevertheless, such role reversal is common where coal is abundant and gas is expensive. China, for example, imports most of its gas, either via pipeline from Russia or...
http://www.chemengonline.com/news/Substitute-natural-gas-deja-vu_5885.html
August 1, 2010
In any given chemical processing facility, there may be literally hundreds of operational environments that require protection from excessive pressure. Both rupture disks and pressure relief valves, or the two used in combination, help protect against damage to equipment and injury to personnel. While the basic technology for either type of mechanism has not changed much in recent years, tweaking the...
http://www.chemengonline.com/news/Pressure-relief-Oh-What-a-Relief-It-Is!_5886.html
July 1, 2010
As environmental awareness receives renewed focus in the government, the public and industry, it appears that higher standards will be applied to processors to achieve even higher oxides-of-nitrogen (NOx) removal than in the past. And since selective catalytic reduction (SCR) has been proven to be one of the most efficient systems for NOx removal from high output sources, such as coal-fired power plants...
http://www.chemengonline.com/news/SCR-New-and-Improved_5803.html
June 1, 2010
Like other aspects of chemical processing, cooling operations are being closely examined for ways to reduce costs and resource usage. Whether it’s cooling towers or industrial gases, experts say embracing new technologies makes it possible to get more bang for your cooling buck. Cooling technologies Currently, the fleet of cooling towers in the chemical process industries (CPI) is fairly old and a...
http://www.chemengonline.com/news/Process-cooling-Just-Cool-It!_5724.html
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