Results of 12-mo immersion tests in biodiesel and bioethanol of a range of elastomer polymers typically used in fuel-handling equipment show that the seals are prone to significant swelling, which leads to failure in valves and other equipment, according to…
A newly marketed portable reactor system for generating hydrogen is capable of generating 1,000 L of the gas in 20 min. The volume is sufficient to fill a 5-ft-dia. weather balloon, which is the first market targeted by the system’s…
Researchers from the Center for Membrane Technology, Beijing University of Technology (China; www.bjut.edu.cn) have developed a new spiral-wound membrane module for use in oxygen-enriched combustion. A pilot-scale system with five membrane modules has been built and tested in a 4-ton,…
Water reclamation Last month, a new water-reclamation process for the oil-and-gas industry was launched by HBC Systems, a newly created joint venture between Hydration Technology Innovations (HTI; Scottsdate, Ariz.; www.htiwater.com) and Bear Creek Services, LLC (Albany, Ore.; www.bearcreekservices.com). The…
An economical method for producing glucaric acid from glucose was successfully scaled up three-fold to a 6-L reactor by its developer, Rivertop Renewables (Missoula, Mont.; www.rivertop.com). The company is planning to assemble a pilot-scale process capable of producing 3-million lb/yr.…
A device for the mass production of lactic acid oligomers, polylactic acid (PLA) and other polymers has been developed by Japanese researchers from the Renewable Plastics Group of the Research Institute for Innovation in Sustainable Chemistry, National Institute of Advanced…
Haldor Topsøe (Lyngby, Denmark; www.topsoe.com) will demonstrate a new technology that converts wood to liquid fuels, as part of a $25-million project funded by the U.S. Dept. of Energy (DOE; Washington, D.C.; www.energy.gov). Among the partners in the project are…
Aiding crystal growth Scientists at Brookhaven National Laboratory (BNL; Upton, N.Y.; www.bnl.gov) have patented a method for absorbing hydrogen fluoride gas to enhance crystal growth. HF is commonly added to precursors to transfer crystalline order from a substrate to…
Alcoa of Australia (www.alcoa.com.au) has developed a process to recover sensible and latent heat from the fluegas (FG) produced by Bayer alumina calciners, and use the heat to evaporate Bayer spent liquor. Peter Hay, of Alcoa’s Technology Delivery Group, at…
Koch Membrane Systems Inc. (KMS; Wilmington, Mass.; www.kochmembrane.com) recently unveiled large-diameter reverse osmosis (RO) elements and pressure vessels for seawater desalination that offer cost savings and reduced footprints. The new RO element and pressure vessel combinations have an 18-in. dia.…