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

Displaying 301 - 320 of 440 stories.
December 15, 2007
NRG Energy, Inc. (Princeton, N.J.) and Powerspan Corp. (Portsmouth, N.H.; edlinks.che.com/6902-541) plan to demonstrate, at commercial scale, Powerspan’s ECO2 technology for capturing CO2 from conventional coal-fired power plants. To date, CO2 -capture demonstrations...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/Chementator-Carbon-Capture_3583.html
December 15, 2007
Megtec Systems (Glen Waverly, Victoria, Australia; edlinks.che.com/6902-542) has announced the first power plant fueled by methane emissions from coal-mine ventilation air. Traditionally, CH4 released during coal excavation requires...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/Chementator-Coal-Mine-Vent-Air_3585.html
December 15, 2007
What we can do to support its goals Green engineering, as explained by chemists and bio-scientists, includes production of energy and materials from "green" feedstocks, such as biomass and microorganisms, with the intent of reducing energy, waste, greenhouse gases (GHGs) and water consumption. By extension, other contributions that reduce GHG emissions also support green engineering. The obvious...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/greenhouse_gases_and_climate_change/Feature-Report-The-Role-of-Chemical-Engineers-in-Green-Engineering_3559.html
December 15, 2007
The amount of crude oil remaining in depleted oil fields has been estimated to be about 50 – 80% of the total estimated oil reserves. In the past, CO2 has been injected into such wells for enhanced-oil recovery — a technique that displaces the oil and stores the greenhouse gas. Now, a completely different approach to monetizing the carbon is being considered by Inpex Holdings Inc. (Tokyo...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/greenhouse_gases_and_climate_change/Chementator-A-Way-to-Convert-Depleted-Oil-Wells-into-Natural-Gas-Wells_3578.html
December 15, 2007
In Malaysia, the raw material for biodiesel production has been palm oil. However, making biodiesel can conflict with the oil’s use as food, and growing palm oil (even for food) has caused the destruction of tropical forests in Borneo, Sumatra and other regions. A team from the Dept. of Chem. Eng. at the Universiti Teknologi Petronas, (Perak, Malaysia...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/greenhouse_gases_and_climate_change/Chementator-Fuel-from-Rubber-Seeds_3584.html
December 15, 2007
Chemical products and processes make modern life possible. The systems that provide housing, transportation, health care, and food for billions of people rely on chemical products, but as demand for these essential materials grows, the environmental impacts of the products and the processes that create them are becoming a greater concern. As this concern about the magnitude of the associated environmental...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/sustainability/Feature-Report-Green-Engineering-and-the-Design-of-Chemical-Processes-and-Products_3558.html
December 15, 2007
Süd-Chemie Zeolites GmbH, a subsidiary of Süd-Chemie AG (Munich, Germany; edlinks.che.com/6902-539) has begun to expand its production plant for new specialty zeolites, and also construct a new wastewater processing plant, at its Bitterfeld site in Germany. The...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/water_treatment_and_supply/Chementator-New-Zeolite-Catalyst_3581.html
November 15, 2007
Better control of baghouses and cartridge-type dust collectors can pay dividends in energy savings, longer filter life and effort spent in tracking environmental compliance. That’s the message from Richard Kapcha, a control specialist with MikroPul (Charlotte, N.C.), which manufactures a wide range of dust collection equipment. “Until the early 1990s we were supplying baghouses with cleaning...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/Keep-Control-of-Your-Dust_3494.html
November 15, 2007
To ensure the health and safety of workers, the U.S. Occupational Safety and Health Administration (OSHA) adopted the Hazard Communication Standard (HCS) in 1983. Initially designed to protect workers in the manufacturing sector, the HCS was expanded in 1987 to cover all industries where workers could be exposed to hazardous chemicals. This article gives an overview of the OSHA requirements for material...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/Managing-Material-Safety-Data-Sheets-in-the-Workplace_3499.html
November 15, 2007
Technology to copolymerize carbon dioxide and propylene oxide (PO) was first discovered in 1960s, but has not been commercialized due to the formation of cyclic propylene carbonate (CPC) by a “back-biting” reaction, which leads to the formation of unstable, low-molecular-weight copolymers. This limitation has essentially been eliminated, thanks to a new catalyst developed by Professor Kyoko...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/This-catalyst-may-open-the-door-to-green-copolymer-of-CO2_3500.html
November 15, 2007
Within five years, four large power plants in Europe will be outfitted — for testing at the pilot scale — with energy-efficient CO2-filtering membranes that are being developed at the Norwegian University of Science and Technology (NTNU; Trondheim; edlinks.che.com/6901-531). Professor May-Britt Hägg, head of the membrane research group (MEMFO) at NTNU’s chemical engineering...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/This-membrane-could-reduce-the-carbon-footprint-for-combustion-power-plants_3504.html
November 15, 2007
American Electric Power (AEP, Columbus, Ohio; edlinks.che.com/6901-541) has agreed to cut its emissions of air pollutants by 813,000 ton/yr at an estimated cost of more than $4.6 billion in a settlement with the U.S. Environmental Protection Agency (EPA, Washington D.C.) and the U.S. Department of Justice. The...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/EPA-settlement_3509.html
November 15, 2007
Global revenues for suppliers of air-pollution-control systems, services, consumables and components will reach...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/Air-pollution-control_3510.html
November 15, 2007
China will likely achieve and may even exceed its target to obtain 15% of its energy from renewables by 2020, according to a new report released by the Worldwatch Institute (www.worldwatch.org). If China's commitment to diversifying its energy supply and becoming a global leader in renewables manufacturing persists, renewable energy could provide over 30% of the nation's energy by 2050. That is the major...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/sustainability/China-on-Pace-to-Become-Global-Leader-in-Renewable-Energy_3482.html
November 15, 2007
A plasma-based waste-treatment process will be installed in Dow Corning Corp.’s silicon-products-manufacturing plant in Midland, Mich., where it will recycle chemical wastes, help lower the site’s consumption of natural gas by 400-billion Btu/yr and help reduce the plant’s total emissions by 75%. The installation will mark the first use of the technology in a chemical process plant, says...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/sustainability/Plasma-gasification-process-will-recycle-chlorine-wastes-and-produce-syngas_3505.html
November 15, 2007
Evonik Industries AG (Essen, Germany; edlinks.che.com/6901-543) is acquiring a 20% stake in Li-Tec Vermögensverwaltungs GmbH & Co. KG (Kamenz, Germany). With its participation in Li-Tec, Evonik...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/sustainability/Li-ion-batteries_3507.html
November 15, 2007
A program to develop ionic liquids and formulations to improve the performance and efficiency of solar cells has been initiated by BASF AG (Ludwigshafen, Germany) and G24 Innovations, Ltd...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/sustainability/Solar-cells_3514.html
November 15, 2007
Last month at Weftec.07, the Annual Water Environment Federation Technical Exhibition and Conference in San Diego, Nihon Genryo Co., Ltd. (Kanagawa, Japan; edlinks.che.com/6901-534) launched for the first time to the North American market its Saito Tank, a granular water filtration system that never requires filter media replacement. Since...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/water_treatment_and_supply/Japanese-water-treatment-filter-enters-U-S-market-boasting-no-need-to-replace-granular-filter-media-ever_3502.html
November 15, 2007
The latest issues of the J. of Separation Sci. and the J. of Colloid Interface Sci. report on a new material, nanostructured silica, which can be functionalized to extract heavy metals (HMs), such as mercury, lead, cadmium and...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/water_treatment_and_supply/Extracting-HMs_3513.html
November 7, 2007
SALT LAKE CITY – The American Institute of Chemical Engineers (AIChE) has announced that The Cooper Union, took top honors at the national Chem-E-Car competition in Salt Lake City, Utah on Sunday. The team’s car, “Cooper Shooter”, was powered by baking soda and vinegar and defeated 28 other shoebox-size cars. The Chem-E-Car competition was created in 1999 as a fun and...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/sustainability/ChE-Students-Compete-on-Alternatively-Fueled-Cars_3466.html
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