The Green Chemistry Challenge Awards recognize scientific solutions to environmental problems that reduce hazards associated with the design, manufacture and use of chemicals. The U.S. Environmental Protection Agency (EPA) Office of Chemical Safety and Pollution Prevention sponsors the awards in…
Dispersion modeling of atmospheric releases from pressure-relief valves and other sources can be time-consuming. Follow this screening process to categorize which installations require detailed modeling and focus effort where it is most consequential The safe design of atmospheric relief/venting systems…
A megadrought in the U.S. Southwest has triggered emergency measures to be taken, as both water and hydroelectric power supplies to millions of people are threatened. The water levels in the two largest human-made reservoirs in the U.S., Lake Mead…
Advances in membrane technologies allow processors to delve into gas- and water-separation applications more effectively and efficiently Conventional membranes have a reputation for being “finicky” and “high maintenance” because they don’t operate well under high pressures or temperatures, are subject…
Evonik Catalysts (Essen, Germany; www.evonik.com) has opened a new Zero Liquid Discharge (ZLD) plant at its facility in Dombivli, India. The new plant reduces the amount of fresh water required for production processes and turns material that was previously…
Before being fed to the blast furnace, iron ore is first converted into pellets by, for example, a traveling-grate (TG) pelletizing plant. In this plant, so-called green pellets are conveyed through a furnace that heats the pellets to high temperatures…
A technology initially developed in Australia by OPEC Systems (Emu Plains, NSW, Australia; www.opecsystems.com) for separating and concentrating per- and polyfluoroalkyl substances (PFAS) in a range of water applications has now been introduced in North America. The technology, known as…
To lower their climate impact, petroleum refiners are increasingly assessing greenhouse-gas-emission intensities as they consider processing lower-carbon feedstocks. One area of particular activity is sustainable aviation fuels (SAF), where demand growth is accelerating While the oil-and-gas industry has been on…
Comprehensive planning, along with appropriate level-measurement technologies and safety instrumented systems, can empower plant personnel to significantly reduce the likelihood and severity of hazardous chemical spills In most industries that manufacture, use or store chemicals and other hazardous liquids, a…
A new, extensive report examining the impacts of climate change around the world warns that the effects of climate change are more widespread with further-reaching consequences than previously thought. Compiled by 270 authors from 67 countries, the report [1] was…