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Chemical Engineering

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Production and Demand Challenges for ‘Green’ Hydrogen

Burgeoning demand for hydrogen to support decarbonization goals is straining existing supply chains for industrial gases and prompting companies to adapt quickly to the emerging net-zero-carbon economy The increasing use of hydrogen as a clean energy carrier is causing a…

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Completely recycled viscose for the first time

Researchers at Lund University (Sweden; www.lth.se) have succeeded in converting worn-out cotton sheets into new viscose fibers using a process that — for the first time — enables all of the viscose to be recycled. Current recycling methods often require…

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Effectively Discharging Solid Materials from Storage Bins and Silos

When considering the use of a silo discharge system to help convey materials, it is crucial to assess the specific requirements of the materials being stored, the operational goals and the overall system compatibility Storing and handling dry bulk powders…

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Carbon-fiber-reinforced polymer boosts interfacial adhesion and recyclability

The high strength-to-weight ratio and robust mechanical properties of carbon-fiber-reinforced polymers (CFRPs) make them attractive for use in wind-power turbine blades, automobile components, and in airplanes and spacecraft. However, challenges — such as weak interfacial adhesion and poor recyclability —…

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A control room with generative-AI capabilities

In January, specialty materials maker Celanese Corp. (Irving, Tex.; www.celanese.com) beta-launched a remote-operations control room (ROCR) that allows hands-free queries of plant data for faster data gathering and decision-making. The ROCR leverages recent advances in generative-artificial intelligence (gen-AI)-powered natural language…

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Membrane-free water electrolysis

Researchers at KTH Royal Institute of Technology (Stockholm, Sweden; www.kth.se) have developed a way to decouple the production of hydrogen and oxygen in water electrolysis, thereby reducing the explosion potential of mixing the two gases. The method, described in a…

Ecolab opens wastewater-treatment plant at Shell Jurong Island in Singapore

Nalco Water, the Ecolab, Inc. (St. Paul, Minn.) water-management brand, announced the opening of a wastewater treatment plant in Shell Jurong Island, Singapore. Commencing operations earlier this year, this facility is designed to handle variable bio-treater wastewater. The plant utilizes…

Repsol acquires stake in three Bunge Iberica production facilities

Repsol S.A. (Madrid, Spain) and Bunge (St. Louis, Mo.) have agreed to partner in the development of new opportunities to help meet the growing demand for lower carbon intensity feedstocks for the production of renewable fuels. This alliance, the first…

Henkel and Kraton enter supply agreement for lower-carbon adhesive formulations

Henkel AG (Düsseldorf, Germany) and Kraton Corp. (Houston) announced a multi-year supply partnership. In this agreement, Kraton will supply Henkel Adhesive Technologies with high-performance, biobased tackifiers and its patented REvolution rosin ester technology to enable carbon emission reductions in a…

KBR awarded predictive maintenance services contract from Petro Rabigh

KBR, Inc. (Houston) announced that it has secured a five-year asset condition monitoring program contract from Rabigh Refining & Petrochemical Company (Petro Rabigh) to deploy predictive maintenance services at its plant in Rabigh, Saudi Arabia.  The program will optimize asset…