Apparatus for concentrating urea solutions under vacuum

Details Apparatus for concentrating urea solutions under vacuum Apparatus for concentrating urea solutions under vacuum

1995-08-10

1998-04-07

Tran, Hien

Concentrating evaporators

Closed evaporating chambers

Liquid traps or separators

159 401, 159DIG16, 202152, 202205, 202234, B01D 100

Patent

active

057360030

ABSTRACT:
Process for vacuum-concentrating urea solutions in which the final step of evaporation of the urea solution under vacuum is carried out within the injection of overheated water vapor in the overhead portion of the concentrator, in order to counteract the formation and deposition of high-melting, fouling compounds derived from urea.

REFERENCES:
patent: 2702949 (1955-03-01), Parker
patent: 2933526 (1960-04-01), Guyer et al.
patent: 2961464 (1960-11-01), Kaasenbrood
patent: 3130225 (1964-04-01), Friend
patent: 3146263 (1964-08-01), Otsuka
patent: 3147174 (1964-09-01), Cook
patent: 3223145 (1965-12-01), Templeton et al.
patent: 3348599 (1967-10-01), Lohstoeter et al.
patent: 3491821 (1970-01-01), Graumann et al.
patent: 3930931 (1976-01-01), Baughman
patent: 3985538 (1976-10-01), Hicks
patent: 4069253 (1978-01-01), Kanai et al.
patent: 4219589 (1980-08-01), Niks et al.
patent: 4285830 (1981-08-01), Miller
patent: 4376010 (1983-03-01), Gauvin
patent: 4539077 (1985-09-01), Jonckers et al.
patent: 5047124 (1991-09-01), Haberland
patent: 5232550 (1993-08-01), Takashi et al.

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