Removal of fibrous material

Details Removal of fibrous material Removal of fibrous material

1987-10-26

1990-03-13

Hunt, Brooks H.

Cleaning and liquid contact with solids

Processes

Including forming a solidified or hardened coating for cleaning

2523152, 134 42, 134 251, 134 2, 106125, 427220, 427422, 428443, D04H 164, B08B 1500

Patent

active

049080687

ABSTRACT:
There is disclosed a method of removing asbestos or other fibrous material from structures, such as the lagging on pipes, by injecting into the material a treatment liquid which includes a gelling agent and which sets to form a gel of which the fibrous material comprises an integral part, thereby allowing the material to be removed without generating hazardous fibrous dust.

REFERENCES:
patent: 3943220 (1976-03-01), Barnett
patent: 4347150 (1982-08-01), Arpin
patent: 4532273 (1985-07-01), Kadowaki et al.
patent: 4632847 (1986-12-01), Lomasney et al.
patent: 4693755 (1987-09-01), Erzinger
patent: 4699666 (1987-10-01), Tidquist et al.

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