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Processing & Handling

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Facts at your Fingertips: Mixing Intensity in Stirred Tanks

The ability to quantify liquid motion in a stirred tank is a basic step toward understanding how mixing influences process results. Quantifying mixing according to a mixing index (MI) can evaluate and predict mixing intensity related to fluid velocities in…

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Chem Chronicles: The first patent holder in the U.S. was a ‘Pott Ash Maker’

Robert Fulton, Eli Whitney, Thomas Edison, Henry Ford — these are some of the larger-than-life figures who spring to mind when reflecting on the history of innovation and invention in the U.S. But the first person in American history to…

KBR Launches SCOREKlean — a Zero Emissions Olefins Technology

KBR (Houston) announced today the launch of SCOREKlean, a proprietary ethylene and propylene process technology utilizing 100% hydrogen-fueled burners for zero emissions from the ethylene cracking furnaces. By achieving zero emissions from ethylene cracking furnaces, SCOREKlean will play a major…

Canatu increases CNT film production capacity

Carbon nanomaterial developer Canatu Oy (Vantaa, Finland) has upgraded its carbon nanotube (CNT) film manufacturing to meet the rising demand for ADAS heater products in the automotive industry. Canatu has improved its step-and-repeat (SAR) CNT film production line by adding…

Shell Blue Hydrogen Process wins Humber H2ub process design package contract

The international energy company Uniper SE (Düsseldorf, Germany), and Shell UK Ltd. (London), have awarded Shell Catalysts & Technologies a contract to deliver a process design package for the Humber H2ub project, using the Shell Blue Hydrogen Process (SBHP). The…

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A new way to improve valve resiliency against flashing

Flashing occurs when the pressure of a fluid passing through a valve is lower than the same substance’s vapor pressure. This causes the fluid to boil — otherwise known as “flashing.” “By reducing flow capacity and eroding the valve itself,…

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A new high-throughput tool for developing catalysts

When searching for catalysts for the energy transition, materials consisting of at least five elements — so-called high-entropy alloys (HEAs) — are considered highly promising. But to find the right combination of elements and composition ratios needed for the best…

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Sorption-enhanced methanation

The production of substitute (or synthetic) natural gas (SNG) by methanation of CO2 with hydrogen is energy intensive and also requires a purification step to remove the byproduct water and remaining reactants. To address these issues, researchers at The Swiss…

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This coating boosts the efficiency of perovskite solar cells

Perovskite materials have great potential as a lightweight and low-cost option for solar panels, but in the past have not been seen as stable or durable enough for widespread use in large-scale solar-power installations. Now, a new coating developed by…

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Chementator briefs

ODC Technology Last month, Covestro AG (Leverkusen, Germany; www.covestro.com) started up a new world-scale facility for the production of chlorine in Tarragona, Spain. It is the first world-scale production plant for chlorine based upon the oxygen-depolarized cathode (ODC) technology invented…