FIELD: fat-and- oil industry. SUBSTANCE: invention relates to treatment of fat-and-oil industry wastes, in particular, to recovering sodium chloride from nigre. For that, nigre is evaporated after preliminarily removing fat- containing products through electrochemical treatment at current density 300-400 A/sq.m. EFFECT: increased productivity with no environmentally harmful emissions.
Title | Year | Author | Number |
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Authors
Dates
1999-05-20—Published
1997-02-25—Filed