Distillation: apparatus – Apparatus – Systems
Patent
1997-10-20
1999-08-10
Manoharan, Virginia
Distillation: apparatus
Apparatus
Systems
622386, 62500, 159 243, 159DIG40, 202172, 202182, 203 26, 203 27, 203DIG4, 203DIG8, 203DIG14, 203 73, 203 77, 203 79, B01D 128, B01D 300
Patent
active
059353880
ABSTRACT:
A distillation plant includes a heat pump whose working fluid is compressed by a vapor jet compressor. A collection location for a liquid is arranged in the stripper part of a distillation column of the plant. At least a portion of the collected liquid is provided in the vaporized form as strip vapor. Connections lead from the collection location to a first vaporizer and to a second vaporizer. The liquid can be vaporized in these vaporizers at an elevated and at a reduced pressure respectively. The vapor jet compressor is connected to the two vaporizers and to the column in such a manner that the vapor from the second vaporizer can be compressed under a driving jet action of the vapor from the first vaporizer and used in the column as strip vapor. A pump is arranged in the connection to the first vaporizer and at least one restrictor member is contained in the connection to the second vaporizer.
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patent: 4695349 (1987-09-01), Becker et al.
Meili, Albert, et al. "Heat Pumps for Distillation Columns", Chemical Engineering Progress 86(1990) Jun., No. 6, 60-64.
Manoharan Virginia
Sulzer Chemtech AG
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