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Nanoparticle alloy could be an alternative to palladium

Kyoto University (Kyoto, www.kuchem.kyoto-u.ac.jp) professor Hiroshi Kitagawa has developed technology for synthesizing nanoscale particles of alloyed metals that could lead to alternatives to industrially important, but expensive, metals such as Pd and rare earth metals. Kitagawa’s group has used the…

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Hybrid inorganic-organic membrane has enhanced stability

A silica-based amorphous material in which silicon atoms are linked to organic groups, as well as to oxygen, creates a pore network that tolerates aggressive chemical environments more effectively than conventional polymeric or ceramic membranes. Licensed by membrane manufacturer Pervatech…

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Recovering rare earth metals from used light bulbs

Up to now, used energy-saving light bulbs have been processed by recycling firms that recover the various components, such as glass, metal, plastics and mercury. However, the remaining luminescent powders, which contain high concentrations of rare earth elements (REEs), are…

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A new process for high-purity MnO2

Mesa Minerals Ltd. (Perth, Australia; www.mesaminerals.com.au) has developed an alternative hydrometallurgical method for converting low-grade manganese oxide ores to electrolytic manganese dioxide of high purity for use in alkaline and lithium-ion battery production. The company claims its process consumes about…

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Spray drying converts a medicinal cactus into a powder

A process to spray-dry Aloe vera for use in the food and cosmetics industry has been developed by GEA Niro (Søborg, Denmark; www.niro.com). The process is expected to offer an efficient and economical alternative to freeze drying, as well as…

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February Chementator Briefs

    DuPont acquisition Last month, DuPont (Wilmington, Del.; www.dupont.com) announced its plans to acquire Danisco, a global enzyme and specialty food ingredients company, for $5.8 billion in cash and assumption of $500 million of Danisco’s net debt. Danisco is…

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‘Cool’ amine process improves H2S absorption

A novel process for removing hydrogen sulfide from natural gas has been started up at Sinopec Zhongyuan Petroleum Co.’s Puguang natural gas plant in China’s Sichuan Province. The plant, Asia’s largest sour natural-gas treatment facility, can process up to 36-million…

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No oxygen is needed for this gasifier

A pilot plant for a process that uses a fluidized bed of sand to gasify coal and other carbonaceous materials will be started up this summer in Kanab, Utah by Viresco Energy LLC (Riverside, Calif.; www.virescoenergy.com). Initially, the plant will…

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Elevance biorefinery on track for late-2011 commissioning

A manufacturing facility for bio-based intermediate and specialty chemicals under construction by Elevance Renewable Sciences Inc. (Bolingbrook, Ill.; www.elevance.com) is on track to begin generating products late this year, according to the company. Located in Indonesia, the facility is currently…

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This TSA process promises to slash costs for CO2 separation

A post-combustion process capable of separating CO2 from fluegas at one-third the cost of alternative separation processes has been developed by Inventys Thermal Technologies, Inc. (Burnaby, B.C., Canada; www.inventysinc.com). Tradenamed VeloxoTherm (VX), the patented process is now being tested together…