FIELD: oil industry. SUBSTANCE: depressor addition agent for high-paraffin oil is prepared by oxidation of vat residues of synthetic fatty acids with carbon atoms number C21 and above up to the content of oxyacids 20-60 wt. -% . Prepared product is condensed by ethanolamine. EFFECT: improved method of addition agent preparing. 9 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PREPARING DEPRESSANT FOR PETROLEUM PRODUCT | 2000 |
|
RU2181136C1 |
| PETROLEUM PRODUCT DEPRESSING AGENT | 0 |
|
SU1120011A1 |
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| PETROLEUM PRODUCT DEWAXING PROCESS | 2005 |
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| DEPRESSANT FOR PETROLEUM PRODUCTS | 2000 |
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RU2183657C1 |
