Mobile Navigation

Chementator

Member Exclusive

Combined membrane separation and electrokinetics speeds soil remediation

Toxic heavy metals can be drawn out of soils far more quickly than the traditional methods using a process developed by a team from the Technical University of Denmark (DTU; Lyngby; www.dtu.dk) and the Universidad Técnica Federico Santa María (Valparaíso,…

Member Exclusive

Ethanol and other chemicals from biomass

The ethanol yield from biomass has been increased by about 50% over conventional yields in a process developed by ZeaChem Inc. (Lakewood, Colo.; www.zeachem.com). ZeaChem has tested the process (diagram) in a 3,500-gal fermenter and will activate a demonstration plant…

Member Exclusive

Furnace tube coatings reduce carbon formation and increase efficiency in olefins plants

Coating technology that essentially eliminates carbon buildup on the interior of steam cracker tubes will be commercialized by Quantiam Technologies Inc. (Edmonton, Alta; www.quantiam.com). Commercial-scale tests in five ethylene crackers indicate that the coating can extend the time between furnace…

Member Exclusive

The cost of producing bioethanol takes a nosedive

Last month at the National Ethanol Conference at Orlando, Fla., Novozymes’ A/S (Bagsvaerd, Denmark; www.novozymes.com) president and CEO, Steen Riisgaard, launched Cellic CTec2, a new enzyme product enabling the biofuel industry to produce cellulosic ethanol at a price below $2/gal…

Member Exclusive

March Chementator briefs

    A new Kraft pulp Weyerhaeuser Co. (Federal Way, Wash.; www.weyerhaeuser.com) says it has begun commercial production of a new grade of Kraft pulp for the cellulose derivatives market. Cellulose derivatives are used in various products, including lacquers, paints,…

Member Exclusive

Hydrogen from a can

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…

Member Exclusive

Oxygen separation membranes made in China

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,…

Member Exclusive

February Chementator briefs

  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…

Member Exclusive

Tryout set for biomass- to-gasoline process

A demonstration plant that will produce transportation fuels from cellulosic biomass will be built at Tesoro Corp.’s petroleum refinery in Kapolei, Hawaii, by Envergent Technologies (Des Plaines, Ill.; www.envergenttech.com), a joint venture of Honeywell’s UOP (Des Plaines; www.uop.com) and Ensyn…

Member Exclusive

Lignite-fired power plant uses activated carbon to capture mercury

What is said to be the first grassroots lignite-fueled power plant to use powdered activated carbon (PAC) for mercury capture has been started up near Franklin, Tex., by Luminant (Dallas, Tex.). In its initial operation the 800-MWe supercritical plant has…