Continuous process for the separation of solutions and suspensio

Details Continuous process for the separation of solutions and suspensio Continuous process for the separation of solutions and suspensio

1991-03-22

1992-11-17

Manoharan, Virginia

Concentrating evaporators

Processes

159 21, 159 251, 159 262, 159 284, 159DIG13, 203 88, 528501, B01D 100

Patent

active

051640309

ABSTRACT:
In the thermal separation of solutions and suspensions into a free-flowing solid and into a largely solid-free distillate, the useful product can be almost completely recovered in a pure state, and the amount of waste product can thus be reduced, by carrying out the concentrating in a first heatable flow pipe (6) up to an upper limit which is given by a creeping coverage of the inside wall with solid and/or by a total blockage of the flow cross-section and then continuing the concentrating in a second flow pipe (9) which is made as a rotary pipe or as a paddle shaft apparatus and whose inside wall (12) is scraped continuously, and separating the vapors and solids from one another at the end of this flow pipe (9).

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Ullmann 1951, pp. 536 and 537.

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