单词 | filter aid |
释义 | > as lemmasfilter aid filter aid n. any of various powders used to increase the porosity of a filter cake and prevent it from blocking the filter. ΘΚΠ the world > physical sensation > cleanness and dirtiness > freedom from impurities > removal of impurities > filtering or percolating > [noun] > filter aid filter aid1914 1914 Jrnl. Industr. & Engin. Chem. 6 145/2 A series of experiments was undertaken, adding various ‘filter aids’ to the fluid. 1951 R. E. Kirk & D. F. Othmer Encycl. Chem. Technol. VI. 510 Materials such as kieselguhr or diatomite, asbestos fibres,..and sawdust flour are examples of materials used as filter aids. 2003 Jrnl. Amer. Water Wks. Assoc. 95 128/2 Cationic polymer is added as a filter aid. < as lemmas |
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