Archives :: Environmental, Health & Safety :: Environmental Management :: Regulatory

Displaying 41 - 46 of 46 stories.
May 1, 2006
    Advances in catalytic cracking technologies are improving efficiency, product selectivity and environmental emissions. Optimum performance, reliability and flexibility of fluid catalytic cracking (FCC) units is essential for the continued competitiveness of refineries and their ability to meet market demands for refined products. FCC traditionally converts gas oil and heavier residual oil to...
April 1, 2006
Last month, the Commission on Air Pollution Prevention of the VDI and DIN Standards Committee (Düsseldorf, Germany; published a new guideline (VDI...
March 1, 2006
    Solvents have been used for centuries and in all type of industries for the processing, manufacturing and formulation of goods. In the chemical process industries (CPI), solvents are used in various process-operation steps such as separation (of gas, liquid and/or solid), reaction (as reaction medium, reactant, and carrier), degreasing, washing and many more. As part of product formulations...
February 1, 2006
Large tracts of land that have been used for military training, especially in the U.S., are contaminated with RDX— a widely used explosive that is both toxic and carcinogenic. Although bacteria have been isolated that can biodegrade the RDX, the degredation rates are too slow, allowing the RDX to leatch...
February 1, 2006
    Groundwater, surface wa-ter, wastewater, drinking water: it’s all essentially the same stuff. Whichever stage of the water cycle you care to look at, chemical engineers are to be found — either trying to stop water from becoming polluted in the first place, or cleaning up afterwards.   Cleaning up outdoors Many water purification processes rely on naturally occurring...
January 1, 2006
This month, the first field tests will be conducted on a pilot plant, developed by WOW Energy, Inc. (Sugar Land, Tex.;, to remove mercury, oxides of sulfur (SOx) and nitrogen (NOx), particulates, heavy metals and volatile organic compounds (VOCs) from the fluegas (FG) of power plants and other industrial facilities. The 2,500-ft3/min pilot unit, constructed with a $1.6-million...
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