Distillation: apparatus – Apparatus – Systems
Patent
1989-08-04
1992-04-07
Bascomb, Jr., Wilbur
Distillation: apparatus
Apparatus
Systems
202166, 202181, 2021853, 202202, 202204, 202206, 202235, 202236, 159DIG32, 203 1, 203 98, 203100, 203DIG25, 210801, 210802, 210241, 210251, 210265, 210266, 280838, 280839, B01D 122, B01D 302, B60P 322
Patent
active
051025035
ABSTRACT:
A system for on-site recovery of reusable industrial waste components, such as solvents, from a liquid waste stream includes a trailer that is internally partitioned to separate system components through which the waste stream passes in a first partitioned section of the trailer from support and control components in the second trailer section. Input waste is fed into a horizontal thin-film evaporator within the first trailer section, while steam is fed in a closed loop through the evaporator from the second section of the trailer for evaporating volatile solvents in the waste stream, and thereby separating the volatile solvents from non-volatile liquid and solid components of the waste stream. The evaporated volatile solvents are fed to a heat exchanger, again enclosed within the first partitioned section of the trailer, for recondensation through heat exchange with a coolant fed to the heat exchanger in a closed loop from the second trailer section. The recondensed solvents are then fed to a water separator tank and a molecular sieve for separation of immiscible and miscible water from the solvents, and thence to a holding tank for resupply to the customer. The non-volatile components of the evaporator output are fed to a second holding tank for recirculation through the evaporator or return to the customer for disposal.
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"Electric Steam Boilers", Cleaver & Brooks, 6/89.
Silinski Thomas J.
Walz Robert A.
Bascomb, Jr. Wilbur
Environmental Technology Group Corporation
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