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A step closer to commercial production of spider silk

Spider silk has many unique properties that make it suitable for applications such as coatings and medical products. As a protein, the silk is remarkably stable and is only destroyed physically or digested and recycled by the spider. However, an…

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‘One-pot’ ammonia-borane recharging could boost fuel-cell vehicles

Ammonia borane’s (AB) capacity to contain and easily release large amounts of hydrogen has made it an attractive candidate to store the gas for onboard fuel-cell powered vehicles. A major technological hurdle that remains is how to reintroduce hydrogen to…

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A new high-temperature alloy

Last month, Carpenter Technology Corp. (Wyomissing, Pa.; www.cartech.com) licensed an alumina-forming austenitic stainless-steel alloy developed at the U.S. Dept. of Energys Oak Ridge National Laboratory (ORNL; Tenn.; www.ornl.gov). The new alloy is said to be unique in that the composition…

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Coal slurry as a substitute for diesel fuel

An Australian team including CSIRO (Melbourne; www.csiro.au) and the Uni- versity of Newcastle (www.newcastle.edu.au) has developed an alternative pathway for producing ultra-low-ash coal that, the team believes, can be used to fuel diesel engines, thus providing the opportunity for diesel…

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A renewable, green oxidation catalyst

Scientists from the National Institute of Advanced Industrial Science and Technology (AIST; Tsukuba, Japan; www.aist.go.jp), in collaboration with Tokyo University of Science and Panchakot Mahavidyalaya University, have demonstrated that a nickel-complex-type organic nanotube (Ni-ONT), developed by AIST, can catalyze oxidation…

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Commercial production for a self-cleaning coating

Last month, PJI Contract Pte Ltd. (Singapore; www.pjicon.com.sg) opened a production facility for the manufacture of titanium dioxide solution — a self-cleaning, nanocoating material developed at Singapore Institute of Manufacturing Technology (SIMTech; www.simtech.a-star.edu.sg), a research institute of the Agency for…

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Solar cells made of carbon nanotubes

A solar cell made of carbon nanotube (CNT) fiber has been demonstrated by researchers from Fudan University (Shanghai; www.fudan.edu.cn). University professor Huisheng Peng says, “For the fibers we use, the carbon nanotubes exhibit a high degree of alignment with much…

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Desalination without pressure or membranes

After a nine-month field demonstration at BTX, Inc.’s Sleepy well site in Indiana, Pa., Altela Inc.’s (Albuquerque, N.M.; www.altelainc.com) AltelaRain 4000 water desalination system has been shown to turn Marcellus Shale wastewater into distilled water. The demonstration, funded by the…

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May Chementator Briefs

  Wastewater reuse Aqua-Chem Inc. (Knoxville, Tenn.; www.aqua-chem.com) has developed a filtration-based process for purifying wastewater from large-scale carpet manufacturing. The process effectively removes dyes and other additives from wastewater to reduce concentrations from around 800 ppm to less than…

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New propylene and butadiene process could be utilized next year

By the end of this year, Asahi Kasei Chemicals Corp. (Tokyo; www.asahi-kasei.co.jp) plans to complete development on two processes that utilize excess C2 and C4 fractions for producing propylene and butadiene, and if all goes smoothly, implement them by March…