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Chemical Engineering

Stepan acquires Invista’s aromatic polyester polyol business

Stepan Co. (Northfield, Ill.) announced that it has purchased Invista's (Wichita, Kan.) aromatic polyester polyol business and associated assets.  Included in the transaction are two manufacturing sites, one in Wilmington, NC (United States) and the other in Vlissingen (the Netherlands), and…

Technology Profile: Butyl Acrylate from Acrylic Acid and Butanol

This column is based on “Butyl Acrylate Production from Acrylic Acid and Butanol – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/butyl-acrylate-production-cost. Butyl acrylate, the butyl ester of acrylic acid, is among the most industrially…

Plant Watch: February 2021

Plant Watch Linde to build world’s largest PEM electrolyzer in Germany January 14, 2021 — Linde plc (Guildford, U.K.; www.linde.com) will build, own and operate the world’s largest proton-exchange membrane (PEM) electrolyzer plant at the Leuna Chemical Complex in Germany.…

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Unlock the Energy Potential of Your Plant

By exploring strategies for process integration, such as waste-heat recovery and combined heat and power generation, plants can significantly improve their energy efficiency and reduce utility costs In a chemical processing plant, utility costs typically account for about 10 to…

New Offerings Aid Heat Exchanger Design and Operations

New offerings, including software products, consulting services, research insights and design tools, provide support for improving heat exchanger design and operation Because they are critical pieces of equipment across virtually all sectors of the chemical process industries (CPI), heat exchangers…

Protecting Steam Systems from Corrosion

Steam and condensate-return systems can be susceptible to unique forms of corrosion. This overview explains how to prevent or minimize such issues Steam is utilized for process heating and other applications at thousands of industrial plants in the chemical process…

Extracting zinc from flyash

In Sweden, incineration of household waste in waste-to-energy (WtE) plants is common, and generates around 250,000 metric tons (m.t.) of flyash every year. The rest of Europe accounts for around ten times that amount. Most of this waste is landfilled,…

Area Electrical Classification in Research Applications: Is It the Only Mitigative Choice?

Area electrical classification is a powerful tool for process safety. It is not, however, the only viable approach to a safe process Electrically classifying an area is a long-standing safety measure in the petrochemical and related industries. It is also…

Printing sensors onto stickers

Advanced sensors are crucial to any predictive maintenance strategy, and often these sensors must be quickly installed into difficult-to-reach spaces. A novel nanomaterial technology enables predictive sensors that can be “printed” onto flexible stickers. These stickers can be easily attached…

February Chementator Briefs

Ammonia catalyst Clariant Catalyst (Munich, Germany; www.clariant.com) and Casale SA (Lugano, Switzerland; www.casale.ch) have developed a new ammonia synthesis catalyst for sustainable CO2 reduction. Based on Clariant’s AmoMax 10 — a wüstite-based alternative to traditional magnetite-based catalysts — the AmoMax-Casale…