Cleaning of filter surfaces

Details Cleaning of filter surfaces Cleaning of filter surfaces

1987-05-07

1989-08-15

Hruskoci, Peter

Liquid purification or separation

Processes

Separating

134 3, 134 34, 423321R, B01D 4100

Patent

active

048572110

ABSTRACT:
Encrusted filter surfaces that have been used for filtering wet process phosphoric acid slurries are effectively cleaned, e.g., of crystalline deposits, by washing same with a solution of fluosilic acid.

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Chemical Abstracts, vol. 86, No. 26, Jun. 27, 1977, p. 109, No. 191967d, & SU-A-551 248 (Lensovet Technological Institute, Leningrad; Leningrad State Scientific-Research Institute of the Basic Chemical Industry) 3/25/77.

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