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Downcomer Backup Flooding: In Search of the Truth
Correctly identifying flood mechanisms that limit throughput in a distillation column is central to maximizing capacity and debottlenecking. Guidelines for diagnosing the mechanism are described in Ref. 1. This column recounts a case of downcomer backup flooding. Backup from frothy…
Facts At Your Fingertips: Key Considerations for Control-Valve Specification
Control valves ensure safe and efficient operation of process plants by regulating the fluid flow in connected pipes. This one-page reference outlines key considerations for specifying control valves during the design phase of a plant. Valve sizing. The size of…
Applying ionic liquids to alum sludge presents a less-toxic route to sludge conditioning
Aluminum sulfate is used in drinking-water treatment as a coagulant to remove suspended particles, but this process leaves behind large volumes of watery residue known as alum sludge. Alum sludge is exceedingly difficult to dewater, making disposal a massive challenge,…
Rio Tinto opens $1.4-billion lithium projects in Argentina
Rio Tinto plc (London, U.K.) announced a major milestone for Argentina’s lithium industry, marking the official opening of Rio Tinto’s Fénix 1B expansion and Sal de Vida operation in Catamarca following a combined investment of around $1.4 billion. Both projects…
MilliporeSigma opens bioprocessing production center in Daejeon, South Korea
MilliporeSigma (Burlington, Mass.), the U.S. and Canada Life Science business of Merck KGaA, Darmstadt, Germany, today announced the opening of a new Asia-Pacific Bioprocessing Production Center in Daejeon, South Korea. The center represents an investment of more than €300 million,…
AkzoNobel completes $60-million upgrade of three North American powder coatings sites
Upgrades to production, infrastructure and technology have been made at three of AkzoNobel N.V.'s (Amsterdam) Powder Coatings sites in North America as part of a $60 million investment. The company's facilities in Reading, Pennsylvania; Warsaw, Indiana; and Monterrey, Mexico, have…
Topsoe selected as technology licensor for HDF Energy’s BaseBlue blue hydrogen project
Topsoe A/S (Lyngby, Denmark) has been selected by HDF Energy S.A. (Bordeaux, France) as technology licensor for BaseBlue. The power project is planned to supply data centers in Texas with reliable, low-carbon electricity. Under the agreement, Topsoe will provide the…
Use this gas cooler unit for post-compression hydrogen cooling
The new STELION Gas Cooler is a compact gas cooling unit designed to reduce hydrogen temperature after compression. The unit provides a cooling stage before storage, testing, refuelling or other processes that require gas temperature conditioning. Developed primarily for hydrogen,…
Jacobs to deliver $1-billion San Francisco wastewater upgrade through joint venture
Jacobs Solutions Inc. (NYSE: J; Dallas) was selected by the San Francisco Public Utilities Commission (SFPUC; San Francisco) as the progressive design-build contractor for the Southeast Treatment Plant Nutrient Reduction Project, a $1 billion investment estimated by SFPUC, supporting San…
Stora Enso and Shanshan partner on lignin-based hard carbon anode demonstration line
Stora Enso Oyj (Helsinki, Finland) and Shanshan Technology Co., Ltd. (Shanghai, China) have entered into a partnership to jointly accelerate the development and industrialization of sustainable battery materials with the construction of a demonstration line for lignin-based hard carbon battery…