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Chemical Engineering

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Compressing hydrogen from electrolyzers with a single stage

At Achema 2022 (Frankfurt am Main, Germany; August 22–26), a new compressor designed for hydrogen service was launched by Aerzen Machinenfabrik GmbH (Aerzen, Germany; www.aerzen.com). “We consider this solution to be the game changer in the market,” said Michael Leitsch,…

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Business News: October 2022

Plant Watch Gevo breaks ground on commercial-scale SAF facility in South Dakota September 16, 2022 — Gevo, Inc. (Englewood, Colo.; www.gevo.com) announced the groundbreaking in South Dakota of its first commercial-scale sustainable aviation fuel (SAF) facility, Net-Zero 1 (NZ1). This…

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Advancing Industrial Carbon Capture

An expanding array of CO2-capture approaches are quickly developing for hard-to-abate industrial sectors. The key objective is to significantly lower the costs of traditional CO2-capture techniques, which are based on aqueous alkanolamine absorption and desorption Achieving climate mitigation objectives, such…

Facts At Your Fingertips: Lifecycle Cost Analysis Basics

When evaluating capital projects in the chemical process industries (CPI), there are many scenarios in which there are important differences between the alternatives in terms of capital, operations and maintenance and decommissioning costs. In these cases, decisions must be made…

Milling in the Pharmaceutical Industry

Milling active ingredients combines equipment selection, material characterization, and process characterization, with the aim of improving and controlling the properties of the solid crystalline drug substance. These topics are discussed here Milling is a common technique used for the reduction…

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Lessons Learned in the Classroom: Tower Pressure and Capacity

Henry Kister shares lessons learned from troubleshooting distillation towers In my courses, I discuss the effect of column operating pressure on flooding and capacity. There are two counteracting effects: The volatility effect increases in importance at higher pressures and for…

Safety Relief Valves: Installation and Maintenance

Using proper installation practices and adhering to maintenance schedules helps ensure reliable operation of safety-relief valves Safety-relief valves are critical components of any pressurized system. In fact, a functioning safety-relief valve could be the most important piece of equipment on…

Water scarcity worsening

A few months ago, this column addressed the megadrought in the U.S. Southwest and the increasing concerns over water scarcity [ 1]. Since that time, the drought in that region of the U.S. has continued, further impacting communities across the…

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Engineering soybean plants to increase crop yield

For the first time, researchers have proven that multigene bioengineering of photosynthesis increases the yield of the major food crop soybean in field trials. An international collaborative team of the RIPE project (Realizing Increased Photosynthetic Efficiency), led by the University…

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Chementator Briefs [October 2022]

E-Cracking Last month, construction began on the world’s first demonstration plant for large-scale, electrically heated steam cracker furnaces. The demonstration plant will be fully integrated into one of the existing steam crackers at BASF’s Verbund site in Ludwigshafen, Germany. It…