Method of manufacturing deodorizing filter

Details Method of manufacturing deodorizing filter Method of manufacturing deodorizing filter

1991-07-18

1995-06-06

Fiorilla, Christopher A.

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Coating with particulate material

156184, 156290, 264136, B29C 5324

Patent

active

054220629

ABSTRACT:
A method for manufacturing a honeycomb deodorizing filter including ceramic fibrous paper supporting cuprous oxide or both cuprous oxide and solid acid includes the steps of: soaking ceramic fibrous paper in a slurry; drying the soaked paper; and forming the dried paper into a honeycomb filter. The slurry includes a mixture of a reductant-added water solution with either (i) the cuprous oxide and binder, or (ii) cuprous oxide, solid acid and binder. Alternately, the fibrous paper and binder may first be formed into a honeycomb filter and then soaked in the slurry.

REFERENCES:
patent: 3112184 (1963-11-01), Hollenbach
patent: 3857732 (1974-12-01), Yoshino

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