Chemical Engineering » Separation Processes

Gas-Phase Filtration Media Properties: What to Know

Chemical Engineering — Sat, 01 Apr 2017 00:00:00 +0000

There are many physical properties that can impact the ultimate performance of adsorbent media in gas-phase filtration applications

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Crossflow Membrane Filtration Essentials

Chemical Engineering — Sat, 01 Apr 2017 00:00:00 +0000

Several aspects of crossflow membrane filtration, including process design, equipment selection and control, are detailed here

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Solid-Liquid Separation: Classification, Design and Testing

Chemical Engineering — Thu, 01 Dec 2016 00:00:00 +0000

Department Editor: Scott Jenkins Whether to remove solid contaminants from a liquid or separate a solid product from a solvent, solid-liquid (S-L) separation is a common unit operation across the chemical

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Beyond Gravity: Centrifugal Separations in CPI Operations

Chemical Engineering — Fri, 01 Jul 2016 00:00:00 +0000

Many chemical process operations require the separation of multiple phases. This can be done in a number of ways, including simple gravity separation, traditional or crossflow membrane filtration and

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An Up-Close Look at Electropositive Filtration

Chemical Engineering — Wed, 01 Jun 2016 00:00:00 +0000

Electropositive filters take advantage of surface-charge effects to filter nanometer-sized particles. Provided here is an overview of how they work and where they can be used Effective water management is a

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Imitating cactus plants to improve membrane performance

Chemical Engineering — Wed, 01 Jun 2016 00:00:00 +0000

Regulation of water content in polymeric membranes is important in several applications, including proton-exchange fuel cell membranes. Normally, this is achieved either by external regulation or by operating

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This high-speed separator also discharges quietly

Chemical Engineering — Sun, 01 May 2016 00:00:00 +0000

The AC separator (photo) is said to reach far higher speeds than other centrifuges, such as the decanter centrifuge. The special design of the separator permits the centrifuge to achieve gravitational ( g )

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Dust-collecting filters that are flame retardant and conductive

Chemical Engineering — Fri, 01 Apr 2016 00:00:00 +0000

The new HemiPleat FR Carbon dust-collector filter (photo) combines flame-retardant and conductive properties in a single filter. With high efficiency and a long service life, the cartridge filters are

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Metal-organic-framework adsorbent promise to cut costs for capturing and storing flare gas

Chemical Engineering — Fri, 01 Apr 2016 00:00:00 +0000

A process for the separation and recovery of stranded and associated natural gas is being developed by Framergy, Inc. (Wilmington, Del.; www.framergy.com), with support from the National Science Foundation’s

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Recovering rhenium photochemically

Chemical Engineering — Fri, 01 Apr 2016 00:00:00 +0000

Professor Hisao Hori and his research group at Kanagawa University (Hiratsuka City, Japan; www.kanagawa-u.ac.jp) have reported what is said to be the first photo-induced recovery of rhenium from aqueous

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