Mobile Navigation

Chementator

Member Exclusive

‘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…

Member Exclusive

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…

Member Exclusive

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…

Member Exclusive

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…

Member Exclusive

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…

Member Exclusive

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…

Member Exclusive

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…

Member Exclusive

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…

Member Exclusive

Freeze-drying based on fine-spray produces uniform microspheres

A freeze-drying system recently commercialized by ULVAC, Inc. (Chigasaki, Japan; www.ulvac.co.jp) produces spherical particles by spraying a solution into a vacuum chamber. The approach has numerous advantages over conventional freeze-drying, and can be used for generating dry powders in the…

Member Exclusive

CNT-enhanced membranes show promise for desalination method

By immobilizing carbon nanotubes (CNTs) within polymer membrane pores, scientists at the New Jersey Institute of Technology (NJIT; Newark, N.J.; www.njit.edu) were able to significantly improve the efficiency of desalination via a membrane distillation process. Somenath Mitra and colleagues at…