Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy
Patent
1980-05-08
1981-09-01
Williams, Howard S.
Chemistry: electrical and wave energy
Processes and products
Processes of treating materials by wave energy
B01J 1912
Patent
active
042870380
ABSTRACT:
Chlorophenolic derived compounds which may be used as herbicides and which contain a contaminant comprising 2,3,7,8-tetrachlorodibenzo-p-dioxin may be purified by subjecting a solution of the compound dissolved in a protic solvent to the emission from a light source having a wave length of from about 180 to about 350 nanometers, such as a laser beam, whereby the contaminant will be decomposed.
REFERENCES:
patent: 3844914 (1974-10-01), Murchison
patent: 4212717 (1980-07-01), Moore et al.
Geiser Edward M.
Johnson Russell W.
Hoatson Jr. James R.
Nelson Raymond H.
Page II William H.
UOP Inc.
Williams Howard S.
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