Method for clarifying oily water mixtures
US3948770A · kind A · utility
12Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 1975 |
| Grant date | Apr 6, 1976 |
| Priority date | — |
| Expiry date | Apr 24, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/925
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Mixtures of finely dispersed oil droplets in sea water which are often present in oil tanker compartments may be effectively separated by a chemical flocculating agent comprising a dry powdered mixture of an anionic polyelectrolyte and a sodium or calcium montmorillonite clay.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.