Method for extracting contaminants from agrarian products and apparatus therefor
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United States of America Patent
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Mar 30, 2021
Grant Date -
Apr 13, 2017
app pub date -
Jun 3, 2015
filing date -
Jun 12, 2014
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Abstract
In a method for extracting contaminants from agrarian products or foods or animal feeds containing agrarian products, comprising contacting a solvent for the contaminants with the agrarian products containing or having adsorbed the contaminants, or the foods or animal feeds, and at least one extraction buffer in an optionally closable mixing vessel, the extraction buffer, which is contained in a film soluble in the solvent and is supplemented with at least one surfactant, in particular nonionic surfactant, and the contaminated agrarian product or food or animal feed are contacted with cold water as solvent in the mixing vessel, and the extraction buffer and the contaminants are brought into solution by agitating or stirring in the mixing vessel; and apparatus therefor.
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