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Revised OSHA Hazard Communication Standard: Upstream Risks for Downstream Uses

This article presents a summary and explanation of an update to the Hazard Communication Standard The U.S. Occupational Safety and Health Administration (OSHA) issued its final rule on May 20, 2024, updating the Hazard Communication Standard (HCS). OSHA requires chemical…

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Fire and Explosion Safety: Going Beyond Traditional Protection

A sophisticated approach to fire and explosion safety requires one that expands conventional protection strategies to comprehensively consider storage, containment and tool compatibility Industrial fires and explosions are a serious risk to chemical processing facilities worldwide, threatening significant harm to…

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Carbon-neutral calcium carbonate process uses emissions from steel-making plant

Construction is imminent for a carbon-capture project aimed at reducing CO2 emissions from steel production while producing carbon-neutral calcium carbonate. At the U.S. Steel (Pittsburgh, Pa.; www.ussteel.com) manufacturing facility in Gary, Ind., a carbon-capture system designed by CarbonFree (San Antonio,…

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Flow chemistry yields a more sustainable route to isocyanates

The wide range of performance properties of polyurethane foams makes them essential in many consumer goods. Thus, there is much effort going into creating a more environmentally friendly production process for polyurethane’s main building blocks, polyols and isocyanates. While much…

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Creating ultrathin gold films with the largest continuous area

Thin gold films offer a broad range of benefits for electronics due to their high electrical conductivity and transparency. Current manufacturing methods are unable to achieve gold films thinner than 10 nm, and are also limited in the area and…

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Single-step process for electrified ethylene production

Developing sustainable pathways to ethylene — among the world’s most widely used chemicals — is a key element in decarbonizing the process industries. A new electrolysis technology developed by CERT Systems (Toronto, Ont., Canada; www.co2cert.com) can produce ethylene from CO2…

Proton-Exchange Membranes: Design Strategies for Water Electrolysis

Designing a proton-exchange membrane that will balance the efficiency, durability and safety requirements for hydrogen production requires careful consideration of materials and chemistry Among the ongoing efforts to curb climate change, researchers are actively pursuing the further development of water…

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Pilot project planned for thermocatalytic ethanol-to-butene process

In December 2024, the Pacific Northwest National Laboratory (PNNL; Richland, Wash.; www.pnnl.gov) announced a three-year collaborative project with vehicle-tire manufacturer Bridgestone (Tokyo, Japan; www.bridgestone.com) to scale up a thermocatalytic process for converting renewably derived ethanol to n-butene. Conventionally, n-butene is…

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Make the Most of Alarms

As processes have become more complex and dynamic, alarm management software has evolved, and now provides deep intelligence to keep plant personnel safer, more aware and more efficient There can be little doubt that effective alarms are one of the…

Facts At Your Fingertips: Blending and Segregation Mechanisms for Solids

In solids-handling, blending (combining two or more materials to achieve a combined product) and segregation (the separation of particles into distinct zones according to particle size, shape, density or other physical attributes) are competing processes. This one-page reference outlines common…