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Chementator Briefs

Biomethane Last month, NextChem, a subsidiary of Maire Tecnimont S.p.A. (Rome, Italy; www.mairetecnimont.com) was awarded a contract by ENGIE subsidiary Storengy (Bois-Colombes Cedex, France; www.storengy.com) to perform an advanced basic-engineering study for a plant that will produce second-generation biomethane from…

Achema Show 2022 Show Preview

Achema (www.achema.de), the global forum for the chemical engineering and process industries presented by Dechema e.V. (www.dechema.de), is taking place August 22–26 in Frankfurt am Main, Germany. This year’s event will feature over 2,000 exhibitors and a comprehensive technical program.…

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Tower Doctor: X-Raying The Patient: Gamma Scanning Vapor Cross-Flow Channeling

Henry Kister shares lessons learned from troubleshooting distillation towers In 1988, the author led a team to troubleshoot a chemical tower that was revamped to achieve a small increase in capacity (up to 4%) by increasing the tray hole areas…

Pipes, Tubes and Fittings

A portable pipe beveling tool prepares pipe for welding The Wart Millhog Portable Pipe Beveler (photo) is a right-angle I.D. clamping tool for performing any angle of end prep on 0.75 in. I.D. to 4-in. O.D. pipe of different schedules.…

Steps to Improve Safety Challenges in Hazardous Environments

Compliance with industry- and machinery-specific safety standards and classifications is essential to make the safest possible environment for plant personnel, especially those working in potentially hazardous conditions Navigating the world of industrial safety standards can feel like being in uncharted…

Facts At Your Fingertips: Heat-Transfer Fluid System Venting

Heat transfer fluids (HTFs) provide heating and cooling of process equipment, including reactors, autoclaves, distillation columns, reboilers, mixers and dryers. HTF system designs should provide for effective system venting, both of residual water at startup and of degradation products during…

Biosynthesis of renewable, high-energy-density, cyclopropane-based fuels

Cyclopropane-functionalized hydrocarbons can be excellent fuels because of their high energy densities, but organic synthesis of such fuels is difficult. In work recently published in the journal Joule, a research team led by Jay Keasling at the Joint Bioenergy Institute…

Magnetic-Drive Positive-Displacement Pumps for Chemical Processing Applications

Advances in sliding-vane and internal-gear seal-less pump technologies can provide many benefits when compared to centrifugal pumps or more well-known positive-displacement pump options Facilities in the chemical process industries (CPI) use a wide array of flowing substances that must be…

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Scrolling or Pushing? Choosing the Right Type of Filtration Centrifuge

Understanding the working principles of scrolling and pushing centrifuges can help when deciding which type to use. Feed properties and other factors also play a role When looking for a proven solution for mechanical dewatering, you will most likely come…

Ethernet-APL: The Future of Field Connectivity

Ethernet Advanced Physical Layer (APL) provides connectivity between field-generated data and enterprise systems. Presented here is information on the design and operation of this rapidly expanding technology Process plants today have vast amounts of data available at the field level…