Mobile Navigation

Latest News: Technologies

Member Exclusive

October chementator briefs

Improved C5 use Some 106,000 ton/yr of so-called spent C5 fraction is generated at Mitsui Chemicals Inc.’s (Mitsui; Tokyo, Japan; www.mitsuichem.com) naphtha cracker at its Chiba Factory. Presently, the company is selling about half of the C5 fraction (50,000 ton/yr)…

Member Exclusive

Food from algae

TNO (Delft; www.tno.nl) and Ingrepro Renewables B.V. (Borculo, both the Netherlands; www.ingrepro.nl) have started a joint-research project to extract food ingredients from algae. Proteins, which account for up to 60 wt.% of algae, could serve as a sustainable alternative to…

Member Exclusive

Sugar-derived compounds can be model solidifiers for oil spills

Professor George John and graduate student Swapnil Jadhav at the City College of New York (www.ccny.cuny.edu) are lead authors of a paper on a class of compounds, known as phase-selective gelators, that can selectively solidify an oil phase in water.…

Member Exclusive

September chementator briefs

  Worlds largest PDH unit Lummus Technology (Bloomfield, N.J.), a CB&I company (The Woodlands, Tex.; www.cbi.com), has been awarded a contract by Tianjin Bohua Petrochemical Co. for the license and engineering design of a grassroots propane dehydrogenation (PDH) unit to…

Enzyme-based method could make CO2 capture economically viable

Codexis (Redwood City, Calif.; www.codexis.com) and CO2 Solution (Quebec City, Canada; www.co2solution.com) have jointly developed a cost-effective method for capturing carbon dioxide from coal-fired power plants. Solvent-based systems for capturing CO2 are relatively well-understood, but they have not been widely…

Member Exclusive

An attractive way to remove arsenic from water

A magnetic composite based on reduced graphene oxide (RGO) has been developed by a Korean team with an exceptional capacity to remove arsenic from drinking water. The team, headed by professor Kwang S. Kim from the Center for Superfunctional Materials,…

Member Exclusive

A more efficient, less expensive way to continuously make bioethanol

An enhanced reactor technology that boosts the speed of producing bioethanol by a factor of four while decreasing production costs by 25% compared to a stirred batch fermenter has been developed by IHI Corp. (IHI; Tokyo; www.ihi.co.jp). The technology features…

Member Exclusive

A new iodine-based catalyst for asymmetric synthesis

Professor Kazuaki Ishihara and colleagues at Nagoya University (Nagoya, Japan;www.nubio.nagoya-u.ac.jp/indexe.HTM) has discovered an efficient, chiral, salt-based hypervalent iodine catalyst that could replace toxic metal catalysts without generating the waste or explosion risks associated with hypervalent organo-iodine complexes. The researchers took…

Member Exclusive

Heat plus light may boost solar energy efficiency

Photovoltaic cells typically operate at 20% efficiency in converting solar energy to electricity. A new system that could boost the efficiency to as much as 60% by combining the light and heat of solar radiation is being developed at Stanford…

Member Exclusive

This membrane system extracts hydrogen from mixed gas streams

A metal membrane system developed by Eltron Research and Development (Boulder, Colo., www.eltronresearch.com) separates hydrogen from mixed-gas feed streams that result from gasification, steam reforming and petrochemical processes. Based on a proprietary, dense metal alloy with hydrogen permeability that is…