Method for sulfite pulping using water-soluble molybdenum contai

Details Method for sulfite pulping using water-soluble molybdenum contai Method for sulfite pulping using water-soluble molybdenum contai

1982-01-08

1983-11-08

Alvo, Steve

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

With regeneration, reclamation, reuse, recycling or...

162 39, 162 79, 162 83, D21C 304, D21C 1102

Patent

active

044140606

ABSTRACT:
A process for sulfite pulping of wood of the type which comprises sulfite pulping wood chips in the presence of a catalytic amount of a water-soluble molybdenum containing compound, the improvement which comprises using as the source of water-soluble molybdenum containing compound molybdenum sulfide which is added to the sulfite pulping process at a point whereby it is oxidized to an oxide of molybdenum prior to being added to the chip digester.

REFERENCES:
patent: 1840413 (1932-12-01), Schmidt
patent: 1860431 (1932-05-01), Richter
patent: 2249646 (1941-07-01), Bragg
patent: 3656888 (1972-04-01), Barry et al.
patent: 4176059 (1979-11-01), Suzuki
patent: 4218284 (1980-08-01), Hullman et al.

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