Process for drying a chelating agent

Details Process for drying a chelating agent Process for drying a chelating agent

1984-11-02

1987-01-13

Lechert, Jr., Stephen J.

Compositions

Radioactive compositions

Nuclear reactor fuel

110237, 110238, 110342, 159 473, 159DIG12, 252628, 252629, 252631, G21F 908, G21F 914, F23G 512

Patent

active

046363360

ABSTRACT:
A process is described for reducing the volume of a liquid waste containing an organic amine chelating agent in which a finely atomized spray of the liquid waste is contacted with a gas stream having a temperature in excess of the thermal decomposition temperature of the chelating agent. The proportions of the hot gas stream and liquid waste are controlled to rapidly evaporate water from the liquid waste and cool the gas to a temperature below the decomposition temperature of the chelating agent in a time of less than about 6 seconds to produce a dry, flowable powder product including the chelating agent.

REFERENCES:
patent: 3008904 (1961-11-01), Johnson, Jr. et al.
patent: 3101258 (1963-08-01), Johnson
patent: 3922974 (1975-12-01), Hempelmann
patent: 4053432 (1977-10-01), Tiepel et al.
patent: 4145396 (1979-03-01), Grantham
patent: 4235738 (1980-11-01), Knotik et al.
patent: 4285830 (1981-08-01), Muller
patent: 4499833 (1985-02-01), Grantham

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