Title:
System and method for removing a volatile component from a matrix
Document Type and Number:
WIPO Patent Application WO1992018214
Kind Code:
A3
Abstract:
An apparatus and method are disclosed for preferentially separating a high vapor pressure component from a low vapor pressure component, wherein at least a portion of each component is volatilized from a matrix. A matrix, such as a sludge contaminated with volatilizable organic materials, is directed through a housing by a screw conveyor. Heat is applied to the matrix in an amount sufficient to volatilize at least a portion of the high and low vapor pressure components. A portion of a high vapor pressure component volatilizes at an inlet end of the housing while a portion of a low vapor pressure component volatilizes at an outlet end of the housing. The volatilized components are then preferentially separated by a hot gas, which is discharged over the matrix from a gas inlet tube, through separate outlet ports. The volatilizable components of the matrix are thereby preferentially separated.
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Inventors:
MCCABE MARK M (US)
DOWD BENJAMIN S (US)
DOWD BENJAMIN S (US)
Application Number:
PCT/US1992/002753
Publication Date:
January 21, 1993
Filing Date:
April 06, 1992
Export Citation:
Assignee:
REMEDIATION TECHNOLOGIES INC (US)
International Classes:
B01J19/20; B09C1/06; C02F11/00; C02F11/13; C10B7/10; F26B17/20; (IPC1-7): B07B3/00; C10B7/10
Domestic Patent References:
| WO1983001910A1 | 1983-06-09 |
Foreign References:
| US5005495A | 1991-04-09 | |||
| US4738206A | 1988-04-19 | |||
| DE3744287A1 | 1989-07-13 | |||
| GB323523A | 1929-12-30 | |||
| DE3809115A1 | 1989-09-28 |
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