Recovery of domestic oil from spent clay

Spent clay from the bleaching of C18+ domestic glyceride esters ("oils") is deoiled by slurrying such spent clay with aqueous alkali at a temperature of at least about 80 DEG C. and a weight ratio of water to clay of about 2-6:1 at a high "pH window" for such oil recovery.

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Bibliographic Details
Main Authors HODGSON; ALLAN S, RED; JERRY F. P
Format Patent
LanguageEnglish
Published 29.08.1978
Subjects
ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES
CANDLES
CHEMISTRY
CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT
DETERGENTS
ESSENTIAL OILS
FATTY ACIDS THEREFROM
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
METALLURGY
PERFUMES
PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVINGFATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES,INCLUDING EXTRACTION FROM WASTE MATERIALS
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Summary:Spent clay from the bleaching of C18+ domestic glyceride esters ("oils") is deoiled by slurrying such spent clay with aqueous alkali at a temperature of at least about 80 DEG C. and a weight ratio of water to clay of about 2-6:1 at a high "pH window" for such oil recovery.
Bibliography:Application Number: US19770831958