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A new carrier for MBBR technology

Last month, Veolia Water Technologies (Birmingham, England; www.veoliawaterst.co.uk) introduced a new generation of biofilm carriers for moving-bed biofilm reactors (MBBRs). Trade-named AnoxKaldness Z-MBBR, the new carrier is the result of two decades of development work, says the company. Unlike conventional…

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Slash energy costs with this new electrowinning anode

The research group of Masatsugu Morimitsu at Doshisha University (Kyoto, Japan; www.doshisha.ac.jp) has developed an “evolutionary” electrowinning process for the production of rare and base metals that promises to reduce both the power consumption and environmental burden. The process features…

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November Chementator Briefs

  Graphene continues to show new, promising properties Researchers from Monash University (Melbourne, Australia; www.monash.edu.au) have discovered that graphene oxide sheets can change their structure and become liquid droplets spontaneously. Because graphene droplets change their structure in response to an…

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‘Clean power’ demo

Last month, NET Power, LLC (Durham, N.C.; www.net-power.com) announced the completion of major project agreements for its first-of-a-kind power plant — a 50-MWth demonstration plant that will validate the world’s first natural-gas power generation system that produces no air emissions,…

Large-scale CCS

Last month, the first commercial-scale, post-combustion carbon capture and storage (CCS) plant started up in Saskatchewan, Canada. The SaskPower facility at the Boundary Dam Power Station is expected to capture around 1 million m.t./yr of CO2, which is up to…

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Making nanoparticles

Scientists from the Materials Science and Technology Div. of the U.S. Naval Research Laboratory (Washington, D.C.; www.nrl.navy.mil) have developed a one-step process to form oxide nanoparticles. The technique is capable of producing large quantities (10 g) of oxide nanoparticles —…

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Graphene surprise

Researchers from Monash University (Melbourne, Australia; www.monash.edu.au) have discovered that graphene-oxide sheets can change their structure and become liquid droplets spontaneously. Because graphene droplets change their structure in response to an applied magnetic field, they could be used for controlled…

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Ultrasound enzyme hydrolysis

Aiming to understand the nature of the synergistic effect of ultrasound and enzymes in the production of fermentable sugars from lignocellulosic biomass, researchers from the Institute of Chemical Technology (Mumbai, India; www.ictmumbai.edu.in) have studied the ultrasound-assisted enzymatic hydrolysis of waste…

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High-strength steel checkup

Researchers from the Fraunhofer Institute for Nondestructive Testing (IZFP; Saarbrücken, Germany; www.izfp.fraunhofer.de) have developed the so-called Magnus hybrid — an inspection system that combines micromagnetic and ultrasound techniques to characterize materials. The micromagnetic method helps determine hardness, tensile strength and…

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A step forward for a new titanium leaching process

Reed Resources Ltd. (Perth, Western Australia; www.reedresources.com) has advanced its Barrambie Titanium Project — about 600 km northeast of Perth, Western Australia — with the construction (now in its final stages) of a mini-pilot plant in Canada to demonstrate a…