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Archives :: Environmental, Health & Safety :: Environmental Management :: Air Pollution Control

Displaying 21 - 40 of 77 stories.
March 28, 2011
The ECOjet burner (photo) offers ultra-low emissions with little or no flue gas recirculation. Ignition is achieved using the self-cleaning, low-maintenance Chentronics’ High Energy Direct Spark Ignitor. The ECOjet’s staged gas...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/This-burner-offers-ultra-low-NOx-emissions_7105.html
March 28, 2011
Chemglass Life Sciences This new gas scrubber (photo) features a compact design that allows for visual monitoring of the scrubbing process. The scrubber is...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/Design-of-this-gas-scrubber-allows-visual-monitoring_7149.html
March 28, 2011
Purafil This firm’s Environmental Systems Div. (ESD) has launched its newest dry-scrubbing media, Odorcarb Ultra, which is said to be the first activated alumina media...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/Scrub-more-H2S-with-this-new-adsorbent_7154.html
March 28, 2011
The LDRA tool suite has been integrated with the IBM Rational Rose RealTime model-driven development environment. This integration introduces LDRA’s...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/Integrated-software-delivers-a-host-of-advantages_7161.html
March 28, 2011
Upgrades for the Advance Optima AO2000 Series Continuous Gas Analyzers are now available for expanding the monitoring capability to include carbon dioxide greenhouse gas emissions measurements to address...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/This-continuous-gas-analyzer-can-also-monitor-CO2-emissions_7162.html
March 28, 2011
Edwards Spectra ZW (photo) is a single, compact system for abating the deposition and clean gases used in the very high gas flow, chemical-vapor deposition (CVD) process steps in the manufacture of solar cells and flat...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/Treat-the-offgas-from-solar-cell-production-with-this-system_7250.html
March 28, 2011
Elga Process Water This firm’s new range of membrane plants for the surface-treatment industries feature CeraMem industrial strength membranes (photo). Compared to conventional...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/Ceramic-membranes-help-filter-surface-treatment-effluents_7292.html
March 28, 2011
The Cam-Airo filter cartridge is engineered to solve nearly all dry-dust- and fume-collection challenges. Unlike horizontal designs that sacrifice nearly 30% of the filter media area...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/Advanced-cartridge-filters-for-collecting-dust-and-fumes_7357.html
March 28, 2011
GEA Wiegand Jet and Venturi scrubbers (photo) are used successfully for cleaning and dedusting discharge air, absorbing noxious gaseous substances, separating aerosols and cooling gases. This firm offers a series of standard scrubber...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/Clean-hot-gas-streams-with-these-scrubbers_7436.html
March 28, 2011
Edwards The Zenith range of integrated exhaust management systems (photo) has been expanded to include a new offering incorporating the iXH harsh process vacuum pump and the Alas family...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/Reduce-footprint-with-these-exhaust-treatment-systems_7502.html
March 28, 2011
The ECOjet burner is designed for ultra-low NOx emissions when using a wide range of gaseous fuels, including natural gas, propane, refinery gas, landfill gases and offgas, as well as liquid...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/Lower-NOx-emissions-with-this-burner_7513.html
March 28, 2011
BioAir Solutions Using its proprietary EcoBase synthetic media, this firm has developed a line of odor control products (photo) that remove both organic and inorganic odorous compounds from the airstreams of industrial wastewater-treatment...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/Clean-the-air-from-wastewater-treatment-plants-without-carbon_7602.html
March 28, 2011
GEA Wiegand The submerged jet scrubber (photo) is an advanced development of the jet scrubber, combining the separation of particles with physical and chemical absorption. It consists of a wash pipe with or without wall rinsing, a specially designed gas distribution, a flow...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/This-jet-scrubber-is-submerged_7646.html
March 1, 2011
Improvements in the design of ethylene oxide (EtO) scrubbers made by The Clean Air Group, Croll Reynolds Co. (Parsippany, N.J.; www.croll.com) have helped users meet increasingly stringent regulations for EtO emissions, as well as meet tower height restrictions. “Our designs have achieved efficiencies of 99.99% or greater for removal of ethylene oxide, compared to 99–99.9% with alternative...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/Improved-ethylene-oxide-scrubber-design-can-meet-stringent-regulations_6424.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.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/SO2-standards-Time-Crunch_6285.html
August 1, 2010
ADA-ES, Inc. (Littleton, Colo.; www.adaes.com) and Arch Coal, Inc. (St. Louis, Mo.), the U.S.’s second-largest coal producer, have signed an exclusive development and licensing agreement for an ADA-ES process that reduces mercury emissions from coal-fired plants by pretreating the coal. Designed for use with sub-bituminous coals, the process has reduced Hg emissions by up to 80% in full-scale tests...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/Control-mercury-emissions-from-coal-fired-plants-without-treating-the-fluegas_5881.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.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/SCR-New-and-Improved_5803.html
August 1, 2009
Substantial technological advances to meet the growing regulatory scrutiny of a wide variety of pollutants have taken place over the past 50 years. In the last few years, the increased complexity in regulations in developed countries has been even more accelerated, challenging the chemical process industries (CPI) and their suppliers of air-monitoring equipment to reach new heights. In addition, developing...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/Monitoring-Air-Emissions_4978.html
May 1, 2009
Strategies for extracting more distillate from petroleum to meet the growing demand for diesel fuel constituted a major theme of the recent annual meeting of the National Petrochemical and Petroleum Refiners Association (NPRA, Washington D.C.; www.npra.gov) in San Antonio, Tex. Worldwide, the demand for distillate is expected to increase by more than 5 million bbl/d over the next 10 years, says Richard...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/Petroleum-refiners-seek-to-increase-distillate-yield-decrease-emissions-_4777.html
January 1, 2009
Ceramic filters are well suited for high-temperature processes that are subject to strict emissions limits, including those for dioxins About Incineration Incineration processes are being widely used more and more to deal with the disposal of waste materials. In many countries, land filling of waste materials is not practical or desirable due to a lack of appropriate sites. Incineration has the benefit of...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/Controlling-Emissions-With-Ceramic-Filters_4445.html
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