Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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B01D
SEPARATION
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46/00
Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
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B01D46/66
Regeneration of the filtering material or filter elements inside the filter
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B01D46/70
by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
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B01D46/72
with backwash arms, shoes or nozzles
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