| 摘要 |
Water-in-oil emulsions of the type found in petroleum oil refineries and other industrial operations are demulsified by adding thereto an effective amount of a mixture of these components comprising 1. Tannin or amino methylated tannin 2. A cationic polymer or blend of such polymers 3. An alkoxylated triamino methane or other polyfunctional amines or hydroxy compounds.
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