Archives :: Chementator

Displaying 261 - 280 of 973 stories.
November 1, 2012
Aither Chemicals LLC (South Charleston, W.Va.; is planning to build a commercial-scale plant based on a catalytic ethane-cracking process that uses 80% less energy and generates 60% less carbon dioxide than conventional steam-cracking of ethane.  The company has refined a mixed metal-oxide catalyst that was originally developed by Union Carbide in the 1980s. The catalyst...
October 1, 2012
  Flexible aerogels Researchers at the NASA Glenn Research Center (Cleveland, Ohio; have developed new flexible aerogels that could eventually be used in highly insulating materials and linings. Aerogels, sometimes called “solid smoke,” are superlightweight structures of silica reinforced with polymer to add flexibility. Traditional silica aerogels were brittle, and crumbled...
October 1, 2012
A process developed by Lehigh Technologies (Lehigh; Tucker, Ga.; for embrittling and milling rubber from end-of-life vehicle-tire material is capable of generating micron-scale rubber particles that can be used in a host of rubber, foam and plastic products to lower costs while maintaining performance. The process (flowsheet) depends on a specially designed turbo mill that...
October 1, 2012
Air Fuel Synthesis Ltd. (AFS; Darlington, U.K.; has recently demonstrated a process for producing carbon-neutral liquid hydrocarbon (HC) fuel from air-captured carbon dioxide and hydrogen. The proof-of-concept demonstration facility, located at Teesside, England produces 5–10 L/d of liquid HCs. The next step of the company’s three-year (2012–2015)...
October 1, 2012
Last month marked the completion of the three-year, €3.6-million E.U.-funded research project, Self-assembled Polymer Membranes (SelfMem). Coordinated by the Institute of Polymer Research at the Helmholtz-Zentrum Geesthacht (HZG; Germany;, with twelve partners from industry and academia in Israel, Canada and Europe, the SelfMem network studied self-organizing isoporous block copolymer...
October 1, 2012
Kazuaki Ishihara and his group at Nagoya University (Japan; have established a new, environment friendly reaction technology — using Baeyer-Villiger oxidations — for selectively oxidizing ketones into esters. The reaction uses hydrogen peroxide as the oxidant, and has potential as a safer alternative to the conventional industrial route for making the nylon precursor...
October 1, 2012
A challenge in the development of polymer-electrolyte membrane fuel cells is the durability and electrocatalytic activity of platinum-based electrocatalysts. The sluggishness of the oxygen reduction reaction (ORR) causes the fuel cell performance to be limited by the cathodic reaction, and a high Pt loading is required for the cathode catalyst to achieve good activity for the ORR. Now researchers from the...
October 1, 2012
Last month, Lewa GmbH (Leonberg, Germany; and Burckhardt Compression AG (Winterthur, Switzerland; signed an agreement to commercialize hybrid compression systems for enhanced-oil-recovery (EOR) applications. EOR — injecting high-pressure CO2 into oil wells to both reduce the crude oil’s viscosity and increase the underground pressure — has been...
October 1, 2012
A team from the Korea Advanced Institute of Science and Technology (Kaist; Daejeon, South Korea: and Seoul National University ( led by Kaist’s professor Keon Jae Lee, claims to have developed the first prototype of a fully functional all-flexible lithium ion battery (LIB). The LIB is based on all-solid-state materials with an energy density of 2.2 x 103 µWh/cm3...
October 1, 2012
Professor Kenichoro Itami and his group at Nagoya University (synth.chem. have synthesized a cage-type carbon nano-molecule, Carbon Nano-cage, composed of 20 condensed benzene rings — C120H78. The group used a procedure it developed four years ago to synthesize carbon nano-rings with the ability to eliminate the distortion of ring-type benzene structures during synthesis steps. First...
October 1, 2012
Several drug delivery systems have been studied involving the encapsulation of molecules in a suitable structure and their transport through the human body. In particular, polymersomes — tiny hollow spheres that enclose a solution — formed using synthetic block copolymers to form a vesicle membrane (with radii from 50 nm to 5 µm, mostly containing an aqueous solution in their core) have...
September 1, 2012
Professor Shu Kobayashi and his research group at The School of Science, University of Tokyo (Japan; have developed an osmium-based catalyst for performing asymmetric syntheses of drug precursors. While showing the same catalytic performance of its predecessor — a microencapsulated osmium oxide in a polymer — the new catalyst system is not...
September 1, 2012
Advanced Algal Technologies (Sydney, Australia; has signed a $100-million deal with Fuzhou Xiangli Enterprise Management Consulting (Fuzhou, China) — an LED-lighting manufacturer — for a license to build 500 algal-farming-conveyor modular units per year. These units will be used to reduce carbon dioxide emissions in manufacturing plants in China. Traditionally, algae have...
September 1, 2012
Wacker Chemie AG (Munich, Germany; has commercialized a solvent-free coating for electrical insulators. Powersil 570 Plus is said to be the world’s first insulator coating based on a patented silicone-in-water emulsion technology. Its viscosity displays a strong dependence on its shear rate, which makes it...
September 1, 2012
Linde Gases (Murray Hill, N.J.; has developed a novel cryogenic technology that promotes uniformity in the formation of ice crystals during freeze-drying (lyophilization) processes for proteins, vaccines and other injectable pharmaceutical products. Lyophilization involves freezing a solution of the product, then reducing the surrounding pressure to allow the water to sublimate...
September 1, 2012
Masaru Nakamichi, leader of the Blanket Technology Group, Naka Fusion Institute, Japan Atomic Energy Agency (JAEA, Ibaraki, Japan; has developed a new fabrication technology that enables the mass-production of beryllium intermetallic compounds (beryllides), which are advanced, efficient neutron multipliers that could be used for nuclear fusion reactors. JEAE is said to be the first to...
September 1, 2012
A test method developed by SABIC (Saudi Basic Industries Corp.; Riyadh, Saudi Arabia; scientists drastically reduces the time needed to evaluate slow-crack growth resistance in high-density polyethylene (HDPE) that is used in pressure pipes. The strain-hardening test method allows HDPE producers to speed product development and improve quality control by offering an alternative to...
September 1, 2012
  Artificial photosynthesis Scientists at Panasonic Corp.(Osaka, Japan; www.pana have developed an artificial photosynthesis system that utilizes sunlight to convert CO2 to organic materials (mainly formic acid) at what is said to be the highest efficiency yet achieved (0.2%). The efficiency level is comparable to that of plants. The keys to the Panasonic system are a nitride semiconductor...
September 1, 2012
A new hydraulically driven, positive-displacement-pump system can lower the energy requirements for pumping water by 10% in large seawater reverse osmosis (SWRO) desalination plants, where electricity typically represents the largest cost. Recently launched by GE Water & Power ( at the 2012 International Water Week in Singapore, the IPER (integrated pump and energy recovery)...
September 1, 2012
A move toward bio-based malic acid... Novozymes A/S (Copenhagen, Denmark; has developed a strain of metabolically engineered Aspergillus oryzae fungus that is capable of producing the four-carbon, dicarboxylic acid compound malic acid. The chemical building block malic acid is used as a flavor enhancer in the food industry, and can be converted into 1,4-butanediol (BDO), which serves as...
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