Document zQzwNEEOegEbbvw1Rb9z6Mm1R

1240 1240 Paperchem Paperchem Paperchem 28 222078 48-02078 REMOVING OF BARK FINES FROM AQUEOUS SUSPENSIONS Bell G. .; Lamar R. S. Assignees Manville Corp. U.S. pat 4,014,788 4,014,788 Issued March 29 1977. 10 claims 4 P. C1.210 4ER Filed U.S. appln 576,079 May 9 1975 Document Type PATENT Languages ENGLISH This invention relates to the hydraulic barking of logs in which the bark is flushed away from the logs with water to form an aq suspension of bark Fines According to the invention the fines are separated from the suspension by filtration with a rotary vacuum filter Diatomite is supplied to the surface of the drum as filtration aid and a rotating blade means is used to remove the layer of bark fines which is deposited on the surface of the Filter prior to the aid layer part pari ticlc es al re e addes d to EE EEO filtration the suspension Descriptors ADDITIVES BARK FILTER AIDS FILTERS FILTRATION BARKING BLADES DIATOMACEOUS FINES HYDRAULIC EQUIPMENT LOGS EARTH PLANT TISSUES STATES REMOVAL; ROTARY MACHINES VACUUM FILTERS WATER SEPARATION SEPARATORS TALC UNITED Protected Document to Protective Order JNJTALC000085062