HVAC heat transfer fluid recycling

Details HVAC heat transfer fluid recycling HVAC heat transfer fluid recycling

1995-04-10

1996-10-29

Walker, W. L.

Liquid purification or separation

Processes

Separating

210808, B01D 3704

Patent

active

055693890

ABSTRACT:
In an HVAC system, an apparatus and method cleanses glycol-containing heat transfer fluid from the HVAC system in a batch process. Heat transfer liquid is admitted to the apparatus from a low pressure side of the system. The heat transfer fluid is filtered in a batch process and returned to a high pressure side of the HVAC system.

REFERENCES:
patent: 4372849 (1983-02-01), Klauck
patent: 4528093 (1985-07-01), Winer
patent: 4692251 (1987-09-01), Hilgren
patent: 4929351 (1990-05-01), Sanborn
patent: 4946595 (1990-08-01), Miller, Jr.
patent: 5057658 (1991-10-01), Cano et al.
patent: 5075002 (1991-12-01), Thalmann et al.
patent: 5091081 (1992-02-01), Hilgren
patent: 5102549 (1992-04-01), George et al.

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