Method of preventing explosions using a smelt water explosion in

Details Method of preventing explosions using a smelt water explosion in Method of preventing explosions using a smelt water explosion in

1977-01-31

1978-08-15

Bashore, S. Leon

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

75 92, 162 30K, 162 30R, 162 49, 423DIG3, 428405, D21C 1112

Patent

active

041069781

ABSTRACT:
A method of preventing a physical explosion caused by the contact of water with a molten material such as molten smelt and molten metal by the addition of a porous, high surface area powder which is coated with an anti-wetting agent. The material sinks through the water layer to the interface between the water and the molten material carrying air or gas bubbles with it. The invention is particularly applicable to smelt-water explosion in kraft chemical recovery furnaces.

REFERENCES:
patent: 3447895 (1969-06-01), Nelson et al.
patent: 3615175 (1971-10-01), Nelson
patent: 3873413 (1975-03-01), Fisher
patent: 3963627 (1976-06-01), Cottrell
Nelson; "A New Theory to Explain Physical Explosions" Tappi; Mar. 1973, vol. 56, No. 3, pp. 121-125.
Nelson et al., "What Causes Kraft Dissolving Tank Explosions" Paper Trade Journal; Jul. 16, 1956, pp. 50-56.
Advisory Technical Committee Smelt-Water Research Group; pp. 51A-55A, "Research on Smelt Water Reactions"; Tappi; Dec. 1966, vol. 49, No. 12.

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