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Chementator: Removing boron from drinking water

Next month, Mekorot, Israel National Water Company Ltd. (Tel Aviv, Israel) will start up what is claimed as the world’s first ion-exchange system for selectively removing boron from potable water. The plant, designed and constructed by Treitel Chemical Engineering Ltd.…

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Chementator: New chiral compounds

BASF AG (Ludwigshafen, Germany; edlinks.chemengonline.com/5827-546) has developed a new process for producing chiral intermediates for pharmaceutical products. Without disclosing any details, BASF says the process is based on dehydrogenase enzymes for making optically active styrene oxides and aliphatic alcohols. The…

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Chementator: H2 separation

Researchers at the Dept. of Chemical Engineering, University of Texas at Austin (edlinks.chemengonline.com/5827-547) have developed a rubbery membrane that can be used purify hydrogen. The membrane, based on ethylene oxide polymers, is 40 times more permeable to CO2 than H2,…

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Chementator: An improved PC resin

PolymersNet Co. Ltd. (Seoul, South Korea; edlinks.chemengonline.com/5827-548) and Cyclics Corp. (Schenectady, N.Y.; edlinks.chemengonline.com/5827-549) announced the first commercial application of CBT (cyclic butylene terephthalate) resin as a modified polycarbonate (PC). PC is used for making compact disks and automobile components, but…

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Chementator: Heterogeneous catalyst

A heterogeneous catalyst for producing the solvent methyl isobutyl ketone has been developed by graduate student Ferry Winter, who defended his chemistry Ph.D. thesis last month at Utrecht University (Netherlands; edlinks.chemengonline.com/5827-550). The catalyst is based on activated hydrotalcite — a…

Chementator: A dosimeter monitors long-term exposure to phosgene

Phosgene is widely used for making fine chemicals, pharmaceutical intermediates, and polymers such as isocyanates, polyurethanes and polycarbonates. But phosgene is highly toxic, and although gas detectors are required to monitor for dangerous leaks, they cannot determine if workers have…

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Chementator: Mobile water plant

Siemens Industrial Solutions and Services Group (Erlangen, Germany; edlinks.chemengonline.com/5827-551) has built, commissioned and deployed the largest mobile water filtration system in the industry. The Horizontal Filtration Trailer (HFT) has 242 ft2 of filtration surface area and can produce up to…

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Chementator: This packing material keeps produce moist, while preventing water contact

A patented moisture-control technology (MCT) developed by CSIRO Plant Industry (edlinks.chemengonline.com/5827-534), with cooperation from Stellar Films Group (both Melbourne, Australia; edlinks.chemengonline.com/5827-535), has shown it can maintain field freshness of selected fruit and vegetables during extended periods of storage and shipping.…

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Chementator: Slash water and energy requirements with this dyeing process

The conventional way to dye textiles is by the so-called dip process, whereby cloth is first immersed into a vat of the dying medium, then removed and dried. The dye is then thermally fixed to the textile by heating to…

Chementator: A ‘litmus’ test for heavy metals

Toshishige M. Suzuki and his colleagues at the Tohoku Center of National Institute of Advanced Industrial Science & Technology (AIST; Sendai, Japan; edlinks.chemengonline.com/5827-538) has developed a new analytical test strip that can quickly detect parts-per-billion (ppb) concentrations of heavy metal…