1
Gary M J Masse, Anthony C F Edmonds: Generation of sulphur trioxide from oleum using microwave energy. C I L, Cushman Darby & Cushman, June 16, 1987: US04673560 (16 worldwide citation)

Process and apparatus for the generation of sulphur trioxide from oleum using microwave energy for use in the sulphonation and nitration of organic compounds and the fortification of oleum. The process provides improved control of production and concentration of the sulphur trioxide produced and com ...


2
Gary M J Masse: Vaporizing liquid sulfur dioxide with microwave radiation. C I L, Cushman Darby & Cushman, June 9, 1987: US04671952 (12 worldwide citation)

Process and apparatus for the generation of sulphur dioxide vapor from contaminated liquid sulphur dioxide. The process allows of utilization of contaminated liquid sulphur dioxide and comprises subjecting liquid sulphur dioxide feed to microwave energy for a sufficient period of time to produce sul ...


3
Gary M J Masse: Purification and reconcentration of waste sulphuric acid. C I L, Cushman Darby & Cushman, June 9, 1987: US04671951 (9 worldwide citation)

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 deg ...