Mobile Navigation

Chementator

Member Exclusive

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…

Member Exclusive

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…

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

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…

Member Exclusive

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…

Member Exclusive

Printed electronics made possible by this carbon-nanotube-production process

A recently commercialized method for growing single-walled carbon nanotubes (SWCNs) in large quantities enables their use in a downstream process for depositing semiconducting inks onto flexible surfaces. Southwest NanoTechnologies Inc. (Norman, Okla.; www.swentnano.com) has developed a scalable technique (CoMoCAT process)…

Member Exclusive

Making a ring of eight benzenes

Professor Shigeru Yamago and colleagues at the Institute for Chemical Research, Kyoto University (Japan; www.scl.kyoto-u.ac.jp/~yasuyuki/) have synthesized [8]cycloparaphenylene for the first time. The 11-nm-dia. molecule consists of eight benzene molecules linked together in a closed chain. The compound has a…

Member Exclusive

Microbubble generator enhances performance of airlift bioreactor

A patented (WO 2008/053174), fluidic-oscillator-driven device that generates microbubbles has been shown by researchers from the University of Sheffield (U.K.; www.shef.ac.uk/cpe), in collaboration with the Academy of Sciences of the Czech Republic (Prague; www.cas.cz/en), to improve the performance of air-lift…

Member Exclusive

Vitrification makes a product from rice husk waste

In Malaysia, about 2-million metric tons (m.t.) of rice husk are produced each year, and the rice husk is either burned or disposed of as waste. Now this waste may find application as a non-leachable building material thanks to a…