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Comment PDF Separation Processes

Solid-Liquid Separation Showcase

By Chemical Engineering |

    Solid-liquid separation is a key unit operation that processors look to for a wide-range of applications ranging from: the lowly removal of debris from cooling-fluid lines and products; through the recovery of product from solvents; to massive-scale dewatering of sludge and mineral slurries. Depending on the application, there is a plethora of technology available to perform these tasks. What follows is a brief overview of new developments in filtration and centrifuge technology.   Self-cleaning filters   Early this year, Russell Finex, Inc. (Pineville, N.C.) added another model to its Eco Self Cleaning Filters, the 502 Eco Filter. Similar to other filters in the Eco range, the 502 can be specified with a straight wiper or a SpiroKlene wiper, which continuously wipes the inside of the filter element and positively moves oversize material into the sump section with a corkscrew action. With this design, the movement of oversize material does not rely on gravity, so the filter can be mounted horizontally as well as vertically.   The reusable filter elements are continuously cleaned, and therefore the need for stripdown is infrequent, says the firm; the stainless steel microscreen can be cleaned rather than…
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