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A less-expensive process for leaching Ni from laterite

A hydrometallurgical process for nickel laterite deposits — believed to be the only process capable of treating any laterite deposits, from limonitic to saprolitic ores, in a single flowsheet — has been developed by Direct Nickel Pty. Ltd. (DNi; Sydney,…

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Commercial debut slated for a new MMA process

Evonik Industries’ business unit Performance Polymers (www.evonik.com) is planning to construct a new plant for the production of methyl methacrylate (MMA) monomer, using its newly developed proprietary Aveneer process. When the plant starts up in 2014, it will produce 150,000–200,000…

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November Chementator Briefs

A new SM process Exelus Inc. (Livingston, N.J.; www.exelusinc.com) received a $500,000 grant from the U.S. Dept. of Energy (DOE; Washington, D.C.) to help pilot the company’s styrene monomer (SM) process ( CE, January 2007, p. 13). The funds are…

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‘World’s first’ commercial plant to produce biofuel from municipal waste

Enerkem Inc. (Montreal, Can-ada; www.enerkem.com) has broken ground in Edmonton, Alberta, on what is said to be the world’s first industrial-scale plant to produce liquid fuel from municipal solid waste. When the plant starts up at the end of 2011,…

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Modifier improves the heat tolerance of bioplastic

Plastic derived from corn, used mostly for bottles and cups, costs about 20% more than petroleum-based plastics, but has two desirable qualities: it comes from a renewable resource and is biodegradable. However, the use of the plastic — polylactic acid…

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Graphene produced by CVD launched commercially

Graphene Laboratories Inc. (Reading, Mass.; www.graphenelab.com) and CVD Equipment Corp. (Ronkonkoma, N.Y.; www.cvdequipment.com) recently announced the commercial launch of single-layer graphene films, marketed as CVDGraphene, grown by a chemical vapor deposition (CVD) process. Using slightly modified CVD equipment that has…

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Electric fields boost energy production and cut operating costs of sewage and biogas plants

Last month at the IFAT Entsorga trade fair (September 13–17; Munich, Germany), Süd-Chemie AG (Munich; www.sud-chemie.com) introduced a chemical-free process that increases the energy production of wastewater-purification and biogas plants by as much as 30% while significantly reducing the disposal…

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October chementator briefs

Improved C5 use Some 106,000 ton/yr of so-called spent C5 fraction is generated at Mitsui Chemicals Inc.’s (Mitsui; Tokyo, Japan; www.mitsuichem.com) naphtha cracker at its Chiba Factory. Presently, the company is selling about half of the C5 fraction (50,000 ton/yr)…

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A modular SMR unit provides onsite hydrogen production

Standardized steam-methane-reforming (SMR) reactor units recently commercialized by Air Liquide (Paris, France; www.airliquide.com) allow direct hydrogen production at customer sites at costs much lower than those associated with alternative H2 supply modes, including electrolysis and transporting compressed or liquefied H2.…

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Nanowires that spring into action

A group of Singapore researchers have reported a new approach to induce the coiling of prefabricated gold nanowires (AuNWs) inside polymer shells, leading to structures resembling torsion springs. In contrast to gas-phase methods that require high temperatures and are limited…