Distillation: apparatus – Apparatus – Systems
Patent
1987-09-24
1989-05-16
Lacey, David L.
Distillation: apparatus
Apparatus
Systems
202176, 202235, 203 49, 203 4, 203100, 203DIG25, 159DIG32, 134 12, 126360R, B01D 302
Patent
active
048307106
ABSTRACT:
A portable apparatus for on-site clean-up of dirty solvents. An open top liner for receiving dirty solvent is provided in a still housing. A head sits down over the top of the liner to form an enclosed space. Hot heating oil is provided beneath the liner and in the annular space between the liner and the housing. Dirty solvent is placed in the liner and is heated. The solvent vapors are fed to condensation coils for recovery. The heating oil is next removed and then the cap or head is removed and the contaminants are removed from the liner.
REFERENCES:
patent: 552003 (1895-12-01), Riley
patent: 4536256 (1985-08-01), Pastor
patent: 4693786 (1987-09-01), Brett et al.
Dang Thi
Lacey David L.
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