Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1993-04-15
1994-03-01
Bennet, Henry A.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
34 72, 34 79, 34182, F26B 300
Patent
active
052896404
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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Bennet Henry A.
RETEC/Tetra, LC
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