Mini module evaluates ulrafiltration membranes
Article Abstract:
PCI Membrane has developed a smaller version of the full-size A5 modules. The A5 Mini-Module was designed for use with the BRO pilot membrane filtration plant, but also fits almost any test unit with flow rates in the range from 5 to 7.5 gal/min. It operates at pressures as low as 15 psi or as high as 145 psi and has a maximum operating temperature of 140 degrees F. It provides a total membrane area of 0.1 m2 when fitted with five A5 membrane tubes, each 6 mm in diameter.
Publication Name: Chemical Engineering Progress
Subject: Engineering and manufacturing industries
ISSN: 0360-7275
Year: 2000
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A dab of this additive makes plastics biodegradable
Article Abstract:
ECM Biofilms Inc of Painesville, OH, has developed a novel additive, which, which when combined in small quantities with various plastic resins, render the end product biodegradable. The company claims that the additive is not only environmentally-friendly, but it also maintains the plastic's nechanical traits and shelf-life. In addition, plastic product manufacturers who will use the product do not have to modify their existing methods of production.
Publication Name: Chemical Engineering Progress
Subject: Engineering and manufacturing industries
ISSN: 0360-7275
Year: 2001
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Producing an environmentally friendly foam
Article Abstract:
Dow Chemiocal Co has developed a new, volatile, organic compound copolymer polyol process that will allow flexible foam producers to reduce overall emissions from their operations and finished products. Two polyols that already use this process are Dow's VORALUX HL400 and SPECFLEX NC700, which have a residual styrene monomer specification of less than 20 ppm. The new copolymer polyol chemistry is currently only available in the US.
Publication Name: Chemical Engineering Progress
Subject: Engineering and manufacturing industries
ISSN: 0360-7275
Year: 2001
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