04671951 is referenced by 9 patents and cites 11 patents.

This invention relates to a process for the production of concentrated sulphuric acid from waste sulphuric acid which comprises subjecting said waste acid to microwave energy for a sufficient period of time to effect production of water vapor, whereby said waste acid is concentrated to a desired degree; removing said water vapor; and collecting said concentrated acid.

Title
Purification and reconcentration of waste sulphuric acid
Application Number
703403
Publication Number
4671951
Application Date
October 10, 1986
Publication Date
June 9, 1987
Inventor
Gary M J Masse
Burlington
CA
Agent
Cushman Darby & Cushman
Assignee
C I L
CA
IPC
H05B 6/64
C01B 17/58
C01B 17/90
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