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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…

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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,…

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Slash energy consumption with this steam reformer reactor

Steam reforming of methane into hydrogen takes place in catalyst-packed alloy tubes that are heated in a furnace. Up to now, this energy-intensive reaction has used catalyst-impregnated ceramic pellets, which are poured into the tubes. However, these ceramic pellets do…

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A new approach to flexible energy converting material

A research team at Princeton University (Princeton, N.J.; www.princeton.edu) led by Michael McAlpine and Yi Qi has devised a process for integrating nanoscale piezoelectric ribbons into flexible rubbers, enabling development of flexible, energy-harvesting materials. Efficient, flexible energy-conversion materials could be…

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A next-generation ironmaking process makes its commercial debut

In January, the world’s first commercial plant to use the ITmk3 process began production of iron nuggets, which are used in steelmaking. The plant, constructed by Kobe Steel, Ltd. (Tokyo; www.kobelcom) and Steel Dynamics, Inc. (Fort Wayne, Ind.; www.steeldynamics.com) at…

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Nanofiber cartridge filters achieve 0.03-micron rating at high flow and low pressure

A 1.5-mm-thick layer of a new filter material based on nanoscale alumina has shown the ability to filter greater than 99% of 0.03-µm latex spheres or 0.025-µm MS2 viruses with sustainable water velocities of around 1.5 cm/s at pressures of…

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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,…

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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…

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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…

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Scaleup slated for a ‘greener’ cement

This summer, Celitement GmbH (Eggenstein-Leopoldshafen, Germany; www.celitement.de) will begin construction on a pilot plant to produce a new cement known as Celitement. Located at the north campus of the Karlsruhe Institute of Technology (KIT; www.kit.edu), the facility will produce up…