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Process for removing cellulose ethers from a cellulose ether suspension
Process for removing cellulose ethers from a cellulose ether suspension
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机译:从纤维素醚悬浮液中除去纤维素醚的方法
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摘要
A process is disclosed for recovering a cellulose ether from a cellulose ether suspension in which the cellulose ether is recovered as a filter cake from a pressure filtration, particularly using a rotary pressure filter. Clogging of the separation or filtration device is avoided, providing for a long useful life. A multi-layer wire mesh filter medium is employed, formed of mesh layers of different wire thicknesses and/or mesh size. After removal of the filter cake, the filter medium is cleaned with steam, compressed air or pressurized water.
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