Distillation: apparatus – Apparatus – Systems
Patent
1981-08-07
1982-08-03
Bascomb, Jr., Wilbur L.
Distillation: apparatus
Apparatus
Systems
202205, 202237, 134 12, 159 24A, 159 27R, 203 1, 203 3, 203 11, 203 26, 203 98, B01D 128, B01D 342
Patent
active
043426247
ABSTRACT:
A liquid containing a solvent to be evaporated is fed to a concentration chamber which is fluidly connected to an evaporation chamber maintained at a reduced pressure. A vapor compression means withdraws solvent vapor from the evaporation chamber, compresses the vapor and forces the compressed vapor to a liquification chamber. Regulator means responsive to the density of the liquid remaining within the concentration chamber will regulate the rate of solvent evaporation to provide a concentrate suitable for recycling.
A method of operating the still of this invention utilizes the technique of increasing the compressor capacity until the compressor begins to surge and then reducing the capacity a fixed amount to provide the desired efficiency.
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patent: 3175962 (1965-03-01), Holtslag
patent: 3192130 (1965-06-01), Pottharst
patent: 3494835 (1970-02-01), Mahistre
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patent: 3575007 (1971-04-01), Gunther
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patent: 3957588 (1976-05-01), Humiston
Chute Richard
Horan Ralph P.
Bascomb, Jr. Wilbur L.
Eaton Corporation
Grace C. H.
Lewis J. G.
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