Utilization of melamine waste effluent

Details Utilization of melamine waste effluent Utilization of melamine waste effluent

1986-08-25

1989-01-10

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524 6, 524650, C08L 6128, C08G 1230, C08J 318

Patent

active

047974338

ABSTRACT:
Thermally stable water soluble resins are prepared in a multistep process by reacting the waste solids from the mother liquor waste stream of a melamine manufacturing plant with an aldehyde and a sulfonating agent under controlled conditions of pH and temperature. The resin compositions are useful, for example, as superplasticizing agents for concrete admixtures, as mud drilling additives, and in the paper and textile industry. The process not only provides useful resin compositions, but also recovers solid wastes which are considered to be a major contributor to the pollution problems of melamine manufacturing plants.

REFERENCES:
patent: 3661829 (1972-05-01), Aignesberger
patent: 3784648 (1974-01-01), Bergmeister
patent: 3827992 (1974-08-01), Aignesberger
patent: 3985696 (1976-10-01), Aignesberger
patent: 4677139 (1987-06-01), Lahalih et al.

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