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Composition and method to remove asbestos

Patent ·
OSTI ID:871548
 [1]
  1. Rockville, MD
+ Show Author Affiliations

A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of an inorganic acid, and from about 0.1 to about 4% by weight of a hexafluorosilicate of ammonia, an alkali metal or an alkaline earth metal. A method of transforming the asbestos-containing material into a non-asbestos material using the present composition also is disclosed.

Research Organization:
ASSOC UNIVERSITIES INC
DOE Contract Number:
AC02-76CH00016
Assignee:
W. R. Grace & Co.-Conn. (New York, NY)
Patent Number(s):
US 5753031
Application Number:
08/721,854
OSTI ID:
871548
Country of Publication:
United States
Language:
English

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Related Subjects

/106/423/427/428/588/
30
acid
alkali
alkali metal
alkaline
alkaline earth
ammonia
asbestos
asbestos-containing
asbestos-containing material
chrysotile
chrysotile asbestos
chrysotile asbestos-containing
composition
composition comprises
comprises
comprises water
containing material
disclosed
earth
earth metal
hexafluorosilicate
inorganic
inorganic acid
material
metal
method
non-asbestos
non-asbestos material
organic acid
remove
remove asbestos
transforming
water
weight