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Chemical Engineering

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Precoat Filter Demineralizers in Steam Loops

By minimizing, or even eliminating, the need for blowdowns in steam systems, precoat filter demineralizer systems can greatly contribute to water-conservation efforts Steam is essential in any chemical process plant, primarily for generating heat and power. Power generation (the largest…

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Predictive Maintenance Implementation

Five common mistakes associated with implementing predictive maintenance tools are discussed here, along with five ways to avoid them Predictive maintenance (PM) implementation can be a daunting task. There are many factors to consider and many ways that things can…

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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…

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Perform dewatering, drying and cleaning of liquid waste in a single process

A recently commissioned, 150,000-ton/yr facility in Sumner, Wash. is the first wastewater-treatment plant to deploy a new liquid-waste treatment technology. Owned by Generate Upcycle (San Francisco, Calif.; www.generatecapital.com), and operated in partnership with Sedron Technologies, LLC (Sedro-Woolley, Wash.; www.sedron.com), the…

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Integrated capture and conversion of CO2 to methanol

Processes that capture carbon dioxide from industrial fluegas and simultaneously convert it into useful chemicals are desirable because they offer an opportunity to produce CO2-derived chemicals more efficiently and economically than conventional approaches, where costs are driven up by the…

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More sustainable curing technology for coil coatings

Coil coating is a continuous process for producing prepainted sheets of metal (steel or aluminum), which can then be fabricated into various building and other materials. Because organic coating materials are used, the process requires substantial energy for the curing…

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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…