Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1987-08-17
1989-04-25
Cintins, Ivars
Liquid purification or separation
Processes
Ion exchange or selective sorption
210668, 210669, 210694, C02F 900
Patent
active
048245771
ABSTRACT:
A process is described for removing phenol and formaldehyde from one aqueous waste stream and melamine and formaldehyde from a second aqueous waste stream with the process being adaptable for treating either stream or both streams simultaneously using a urotropination reaction to render formaldehyde removable by carbon adsorption.
REFERENCES:
patent: 4113615 (1978-09-01), Gorbaty
Cintins Ivars
Long Joseph F.
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