Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Patent
1983-02-22
1984-07-24
Griffin, Ronald W.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
C08B 3706
Patent
active
044618905
ABSTRACT:
Disclosed is an invention providing an improved method to treat a factory waste, and more particularly for the treatment of pectic waste fluids from orange canneries i.e. the acid- and alkaline wastes. The present invention also provides a process to recover pectic substance therefrom. The method contains the steps of (1) adjusting the pH either in the acidic waste or a mixture of acidic- and alkaline waste to a level over 7.0, allowing the waste or mixture to stand for a period sufficient to effect a substantial saponification of the pectic constituent, adding acid to the waste or mixture to bring its pH below 3, separating the pectic substance from the resultant, and treating the resultant supernatant or filtrate by a biological procedure using an active microorganism, or, alternatively, (2) adding acid to the alkaline waste to bring its pH below 3, separating the pectic substance from the resultant, and treating the resultant supernatant or filtrate by a biological procedure using an active microorganism. The resulting high-quality pectic product is advantageously usable in various food products, cosmetics or medicines.
REFERENCES:
patent: 1991242 (1935-02-01), Cole et al.
patent: 2132065 (1938-10-01), Wilson
patent: 2635095 (1953-04-01), Norman
patent: 3622559 (1971-11-01), Wiles et al.
patent: 4065614 (1977-12-01), Nelson
Manabe Masatoshi
Miyoshi Hideaki
Naohara Jun
Griffin Ronald W.
Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
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