Fats, oil and grease (FOG) waste can create environmental problems for water-treatment and sewage systems, but can be a potential resource if collected and separated efficiently. A technology originally developed by Downey Ridge Environmental Co. (Lansing, W.Va.; www.greasezilla.com) to separate…
The DJ level switch (photo) provides high- or low-point level detection of bulk solids. The DJ detector operates successfully on baghouses, cyclone separators and above airlocks. Consistent results have been achieved on chemical powders, minerals and many other granulated materials.…
Removing solids from a stream of air or other gases is an important operation across virtually all sectors of the chemical process industries (CPI). In many cases, gas-solid separation is motivated by the need to reduce environmental impact and health…
The new CSA Range of sealless pumps (photo) are designed for handling high-temperature, toxic, flammable, corrosive, carcinogenic and aggressive fluids. The sealless magnetic-drive designs eliminate emissions and leaks, which can harm productivity, personnel and the environment. The new CSA Range…
By understanding the basics of industry standards, such as API 682, plants can make great strides in controlling fugitive emissions related to equipment seals Chemicals that unintentionally leak from equipment into the atmosphere are known as fugitive emissions. These gases…
Methods for controlling reboilers in distillation towers are central to good reboiler operation and tower stability. Control valves can be located in the steam-inlet line or in the condensate-outlet line. This article updates guidance for key considerations and practices using…
This company has expanded its Turbovac i/iX series of turbomolecular pumps with the addition of two new sizes — the 850 i/iX (photo) and 950 i/iX. The two new pumps are characterized by extended operation, longer system life and lower…
Isononyl alcohol Last month, Dow, Inc. (Midland, Mich.; www.dow.com) and Johnson Matthey (London, U.K.; www.matthey.com) announced that Zibo Qixiang Tengda Chemical Ltd. (QXTD; Linzi district, China; en.qxtdgf.com), has selected LP Oxo Technology to produce isononyl alcohol (INA) at its new…
One important challenge that continues to receive the attention of scientists and engineers worldwide is the creation of a more sustainable environment. The U.S. Environmental Protection Agency (EPA; www.epa.gov) recognizes achievements in this area through the Green Chemistry Challenge Awards,…
A recently announced joint development agreement (JDA) between Enerkem Inc. (Montreal, Que.) and NOVA Chemicals (Calgary, Alta.) is aimed at developing recycling technology to allow difficult-to-recycle plastics (specifically #3–7 polymers), as well as other municipal solid waste (MSW), household waste…