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Chemical Engineering

PVDF Bubble Caps for Distillation Columns

Polymer components in column trays can avoid issues associated with corrosion of metal equipment Gujarat Alkalies & Chemicals Ltd. (GACL) — a major chemical producer in Gujarat state in western India — was facing corrosion challenges with its distillation columns.…

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Recovering proteins — and more — from rapeseed

Last month, a pilot plant officially opened at the Fraunhofer Center for Chemical-Biotechnological Processes (CBP; Leuna, Germany; www.cbp.fraunhofer.de). The plant aims to further develop a process that recovers multiple products from rapeseed, including high-grade, pre-raffinate-quality rapeseed oil, a high-grade, protein-rich…

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The Selection and Design of Fixed-Bed, Axial-Flow Vessel Internals

Follow these key considerations when deciding which internals to use in fixed-bed, axial-flow vessels Fixed-bed, axial-flow vessel internals are installed in natural gas plants, petroleum refineries, petrochemical plants, chemical plants and industrial gas facilities. Thermal-swing gas and liquid dehydrators, treaters…

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Use existing refinery infrastructure for hydrogen storage and transport

Hydrogen is a clear piece of the decarbonization puzzle for many industrial sectors, including petroleum refining, but a major challenge lies in the storage and long-distance transport of hydrogen in its gaseous form. One proposed solution is the use of…

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Avoiding Mistakes When Emptying Spill Pallets

Following these guidelines can help workers to take the proper precautions to minimize the risk of leakage from spill pallets Container liquid leaks can occur at any time, even when all precautions have been taken and containers are stored on…

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Onsite bioelectrochemical treatment for ultra-concentrated wastewater

The combination of electrochemical principles and microbial activity is the backbone of a treatment technology designed specifically for ultra-concentrated and challenging industrial wastewater. The Bioelectrochemical Treatment Technology (BETT) developed by Aquacycl (Escondido, Calif.; www.aquacycl.com) involves “microbial fuel-cells” that produce direct…

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Chementator Briefs

Using Waste Heat To convert large amounts of waste heat into electricity as efficiently as possible, turbines with a high degree of efficiency are required that work with a special conversion process — the organic Rankine cycle (ORC). In a…

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A hydrogen-fired furnace for ceramics

This month, a demonstration experiment will begin on a new firing furnace for ceramics that is being developed by NGK Insulators, Ltd. (NGK; www.ngk.co.jp). The furnace is fired with hydrogen instead of fossil fuels, thereby reducing CO2 emissions. H2-fired combustion…

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Spinning reactor recovers metals from spent Li-ion batteries

Recycling lithium batteries (LIBs) requires extensive use of hydrometallurgy, which requires multiple steps of extraction-stripping processes, each requiring separate reactors and different parameters. Although there have been attempts to devise a single-step, one-pot solution by partitioning the reactor using membranes,…

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Pilot trials for a carbon-capture process that combines VPSA and MOFs

This summer, pilot trials will begin at a Buzzi Unicem S.p.A. (Casale Monferrato, Italy; www.buzziunicem.com) cement plant in Monselice, Italy, which will perform field tests of a new carbon-capture process developed by Nuada, the new tradename of MOF Technologies Ltd.…