Refrigeration – Processes – Fractionally solidifying a constituent and separating the same
Patent
1999-02-12
2000-12-26
Doerrler, William
Refrigeration
Processes
Fractionally solidifying a constituent and separating the same
310175, 310774, 203 10, 202202, 159 473, B01D 3518, B01D 300, B01D 904
Patent
active
061640875
ABSTRACT:
An apparatus for purifying waste streams having water, dissolved noxious substances and volatile organic compounds, comprising a distillation unit having distillate and bottoms products, a freeze-concentration unit and a processing unit. The distillate product is processed in the processing unit and the bottoms product is processed in the freeze-concentration unit, where purified water is extracted.
REFERENCES:
patent: 3962076 (1976-06-01), Hess et al.
patent: 3992900 (1976-11-01), Campbell
patent: 4713089 (1987-12-01), Robbins
patent: 5174859 (1992-12-01), Rittof et al.
patent: 5980694 (1999-11-01), Apeldoorn et al.
Doerrler William
Niro Process Technology B.V.
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