Process for producing thiourea dioxide

Details Process for producing thiourea dioxide Process for producing thiourea dioxide

1998-01-29

1999-09-28

Alvo, Steve

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Treatment with particular chemical

162 5, 162 6, 162 76, 162 78, 562126, 564 30, D21C 916

Patent

active

059581840

ABSTRACT:
A process for producing a thiourea dioxide fluid by mixing thiourea and a peroxide, or thiourea, a peroxide and a reaction catalyst, or thiourea, a peroxide, a reaction catalyst and a chelating agent, in the absence or presence of pulp and a process for bleaching pulp by the use of the thiourea dioxide fluid produced by the above process economically advantageously with a small chemicals loss and by small consumption of energy.

REFERENCES:
patent: 2783272 (1957-02-01), Young
patent: 3384534 (1968-05-01), Kindron et al.
patent: 3507743 (1970-04-01), Cartsunis et al.
patent: 4244780 (1981-01-01), Rende et al.
patent: 4427490 (1984-01-01), Eckert
patent: 4675076 (1987-06-01), Darlington
Chemical Abstracts--American Chemical Society, vol. 79, No. 22, 127318W, (Dec. 3, 1973).
Zr. Org. Khim. 3(6), 1002-5 (1967) and English Abstract.
Zr. Org. Khim. 6(5), 947-9 (1970) and English Abstract.
Metody Poluch Khim. Reactiv. Prep. 1969, No. 20, 148-9 and Chemical Abstract.
Metody Poluch Khim. Reactiv. Prep. 1969, No. 20, 148-9 and Chemical Abstract.

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