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Environment, Health, Safety & Security

Securing chemical Process facilities

    Security is on everyone’s mind. Heightened awareness and concerns have affected the way we live and the way we work. Those of us who are part of the chemical process industries (CPI) and have a great respect for…

An improved production process for solar-cell Si

With the aim to commercialize a new process for making solar-cell grade (SOG) silicon, Chisso Corp. (Tokyo, Japan; edlinks.chemengonline.com/6891-534) is negotiating the possibility of establishing a joint-venture company with Nippon Mining Holdings, Inc. (Tokyo) and Toho Titanium Co., Ltd. (Chigasaki,…

Mercury Emissions – Control, Processes go commercial

    November 17 was the deadline for states to submit their plans for the control of mercury emissions from power plants to the U.S. Environmental Protection Agency (EPA, Washington D.C.; epa.gov), but mercury-control processes are already being commercialized. The…

Biofuel

Subsidiaries of Shell Oil Co. (Houston, Tex.; edlinks.chemengonline.com/6891-547) and Codexis, Inc. (Redwood City, Calif.; edlinks.chemengonline.com/6891-548) are collaborating to enhance methods of converting biomass to biofuels. Shell, already one of, if not the leading, distributor of transportation biofuels, says it is…

Design Safer Solids Processing Plants

    Chemicals, plastics, pharmaceutical, food, agricultural chemicals, coal and bio-chemical industries have a wide array of processes where the raw materials, intermediates and products are in particulate form. Hazards associated with particulate solids are unique, and in most cases…

Greenhouse-gas regulations are coming to chemicals

    When in 1997 a United Nations’ conference at Kyoto, Japan, called into being the Framework Convention on Climate Change (UNFCCC), it seemed that greenhouse-gas emissions regulations were just around the corner. Not so fast, was the world’s answer.…

More For Your Money

    Portable and fixed detectors for toxic and flammable gases are offering more choice and better value for the money, say experts, thanks to technology developments and strong market competition. In Europe, competition triggered by consolidation in the last…

Designing for A Safe Process

    Accidents do happen. While not everything can be predicted, addressing safety concerns throughout the design of a process can help to prevent accidents from occurring. Designing with safety in mind can also help to minimize potentially serious consequences…

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Troubleshooting Field Failures of Rupture Disks

Understanding why rupture disks fail can help ensure that they don’t Even with the best process design, the unexpected can happen. Anticipating this, rupture disks are often installed as the last line of defense against the over-pressurization of equipment used…

Plant safety software

DNV Software (Oslo, Norway; edlinks.chemengonline.com/6519-533) and The SimSci-Esscor unit of Invensys (Lake Forest, Calif.; edlinks.chemengonline.com/6519-534) have developed a link between the former’s Phastfx flammable-effects-software module and the latter’s Visual Flow safety-system-design software. The link allows process engineers to quickly and…