Method of obtaining dried terephthalic acid

Details Method of obtaining dried terephthalic acid Method of obtaining dried terephthalic acid

1979-06-08

1980-10-28

Siegel, A.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

C07C 5142

Patent

active

042308860

ABSTRACT:
Terephthalic acid produced by oxidizing paraxylene can be obtained in the form of dried powder from the slurry containing terephthalic acid and acetic acid and/or water by using combination of a tubular type heater having at least one heating tube and a separation chamber in which the heating tube(s) open(s) at one end(s) thereof.
Critical slurry concentrations for smooth operation are given.

REFERENCES:
patent: 3119860 (1964-01-01), Kalfadelis et al.

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