Archives :: Processing & Handling :: Separation (Liquid-Liquid & Gas-Liquid) :: Liquid-Liquid Extraction

Displaying 1 - 9 of 9 stories.
October 1, 2012
The Asia FLLEX (flow liquid-liquid extraction) module is a flow chemistry equivalent to a separating funnel, yet involves no shaking, nor does it rely on gravity. It is suitable for the preparation of samples prior to...
September 1, 2012
The Model SFT-110 benchtop supercritical fluid extractor is an improved version of this company’s original system. Supercritical fluid extraction is an alternative to traditional...
November 1, 2010
In obtaining a degree or even a professional license in chemical engineering, there is little, if any, mention of facial hair. Nevertheless, that aspect of my appearance was surprisingly pivotal at one particular moment in my career. At that time, I had zero facial hair — no moustache, no beard, and no long sideburns — and I was a liquid-liquid extraction expert. It was therefore obvious to...
July 1, 2007
A dehydration process — which uses about half the energy required by thermal methods for drying brown coal or sludge — is being developed by the Central Research Institute of Electric Power Industry (Tokyo, Japan; The process uses liquefied dimethyl ether (DME) as the dehydrating agent, taking advantage of the ether’s properties: namely, DME has a low boiling...
January 1, 2007
Last month, after just two years, Maaike Kroon completed her Ph.D. from the Technical University of Delft (Netherlands; for developing a sustainable and inexpensive production process that enables reaction and separation operations to be performed in the same vessel. The process takes advantage of the unique properties of ionic liquids (ILs) and supercritical carbon dioxide by...
May 1, 2006
Toyo Engineering Corp. (TEC; Tokyo; has developed a new, cryogenic process for extracting natural-gas liquids (NGLs; ethane, propane, butane and other hydrocarbons) from liquefied natural gas (LNG). The Coreflux-LNG process boasts an ethane recovery efficiency of around 98%, compared to 90–93% efficiencies achieved by alternative processes, claims TEC. The process will be...
April 1, 2006
The presence of TCA (2,4,6-trichloroanisole) in cork can lead to undesirable tastes or smells in wine; this so-called cork taint affects about 3–6% of bottled wine. Although techniques (such as boiling in water or striping with superheated steam) have been used to remove TCA from cork, removal efficiencies have been limited to 70%, says Eduard Lack, R&D director at Natex...
April 1, 2006
Another process that removes up to 90% of the TCA from cork (see item above) was recently launched by Cork Supply USA (Benica, Calif....
January 1, 2006
Process System Enterprise Ltd. (PSE; London, U.K.; has launched the latest of a series of gPROMS Advanced Model Libraries (AMLs) for Gas-Liquid Contactors (GLCs). This “open model” library of high-fidelity, non-equilibrium-component models covers a wide range of gas-liquid-separation operations, including conventional packed columns for...

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