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Chemical Engineering

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Recycling fiber-reinforced polymers with oxygen-free static thermolysis

A new thermolysis technology developed by Composite Recycling (Ecublens, Switzerland; www.composite-recycling.ch) breaks down fiber-reinforced polymers (FRPs) into their fundamental constituents, enabling reuse as valuable feedstock for the creation of new composite materials. “Past efforts to recycle composites have allowed waste…

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New screening method reveals microbial enzymes for breaking down PET

Breaking down polyethylene terephthalate (PET) into its constituent monomers under mild conditions is a key goal of plastics recycling. Knowledge of how many naturally occurring enzymes are capable of breaking down PET, and which would be most effective in industrial…

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Plasma plays a part in cleaner ammonia production

Despite the abundance of nitrogen and hydrogen, industrial ammonia synthesis remains an energy-intensive process. Electrochemical methods have been suggested as potentially lower-energy alternatives to traditional ammonia synthesis, but these newer technologies often struggle with achieving key performance metrics. By integrating…

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UV-sterilized bioreactor could reduce costs for bioproducts

Capital intensity is among the current constraints on industrial-scale fermentation, because the hardware for steam sterilization of bioreactors is complex and expensive. After recently emerging from stealth status, the startup company Biosphere (Oakland, Calif.; www.biosphere.io) has launched a new reactor…

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Efficient cavitation-based method for challenging oil separations

Many separation processes depend on chemical or thermal principles, such as solvent extraction or distillation, but in some cases, mechanical methods can provide effective separations with lower cost and energy requirements. Eirex (Vaughan, Ont., Canada; www.eirex.ca) has developed a proprietary…

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First open process automation (OPA) control system at a commercial manufacturing facility

An ExxonMobil Corp. (Spring, Tex.; www.exxonmobil.com) adhesive-resin finishing facility in Baton Rouge, La. has become the first commercial process-manufacturing facility to be controlled by an open, standards-based process automation system. This is a departure from the closed, proprietary systems currently…

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Business News: March 2025

Plant Watch LG Chem set to commence production of bio-based acrylic acid February 13, 2025 — LG Chem Ltd. (Seoul, South Korea; www.lgchem.com) will commence the production of bio-based acrylic acid in the second quarter of 2025, with plans to…

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High-Purity Processing Demands Contamination Control and Containment

Advanced technologies help pharmaceutical and semiconductor producers achieve excellence Chemical processors are under increased pressure to achieve operational excellence, which involves a balance of increasing yield, improving quality and reducing waste, while also cutting operational costs. Processors in high-purity industries…

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Facts At Your Fingertips: Mass Transfer: Absorption and Stripping

Absorption and stripping are important mass-transfer operations within the chemical process industries (CPI). This one-page reference provides some basic information on the principles and applications of stripping and absorption in industrial chemistry settings. General operation In absorption, a solute from…

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A Guide to Biological Air Scrubbers

Biological air-cleaning systems are an effective alternative to filtration and activated carbon in many industrial applications, especially those with ultrafine particles or highly toxic contaminants Companies must maintain high air-quality standards, both indoors and outdoors, to ensure continued quality control…