Chevron Phillips Chemical Co. LLC (The Woodlands, Tex.) announced that Bruce Chinn, currently president, Chevron Chemicals, will become chief executive officer. B.J. Hebert, currently executive vice president and chief operating officer, will become president and chief operating officer. Chinn and…
Covestro AG (Leverkusen, Germany) has signed an agreement related to the sale of its 51% share in the joint venture Pearl Covestro Polyurethane Systems FZCO, which operates systems house business in Dubai (United Arab Emirates), to the current co-shareholder Pearl…
Universal Display Corporation (UDC) and PPG (Pittsburgh, Pa.) announced that UDC Ireland Limited and PPG will jointly establish a new manufacturing site in Shannon, Ireland, for the production of UDC’s highly efficient, high-performing UniversalPHOLED materials. The new facility will be…
Milliken & Co. (Spartanburg, S.C.) has formally acquired Zebra-chem GmbH, a global chemicals company known for its peroxide and blowing agent masterbatches. With more brands and governments globally setting goals to increase their use of recycled materials, plastics manufacturers are…
Lummus Technology (Houston) announced the start-up of its CDAlky C5 alkylation unit at Valero's St. Charles Refinery in Norco, Louisiana. The capacity of the alkylation complex is 17,000 bbl/d of Alkylate product. "The safe and successful start-up demonstrates how Lummus provides…
This column is based on “Acrylonitrile Butadiene Latex Production – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/nitrile-rubber-production-cost. Nitrile rubber (also known as NBR, acrylonitrile butadiene rubber, acrylonitrile butadiene latex, Buna-N) is a synthetic polymer…
Waterhammer arises because of sudden changes in fluid flow, and can present significant problems in processes that involve flowing liquids. This article outlines these potential issues and offers guidance for handling the pressure changes arising from waterhammer Most large-scale processes…
This overview compares various sealing technologies, and points out advantages and disadvantages of applying different mechanical-sealing designs for caustic fluids Caustic applications in chemical plants can play havoc on the mechanical seals of rotating equipment. These applications can be difficult…
Many industrial processes involve phenol, but its toxic nature means that it must be effectively removed from waste streams prior to any subsequent biological treatment steps. Phenol can be removed via evaporation, but this method is quite energy-intensive. Alternatively, the…
This pictorial guide illustrates some of the common problems that can occur with polymeric and elastomeric materials that differ from those that occur with metallic seals and components Failures of polymer (plastic and elastomeric) parts and their consequences can be…