Method for removal of volatile phosphates from hydrocarbons
US8636905B2 · kind B2 · utility
1Cited by
22References
25Claims
0Family size
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Inventor
Key dates
| Filing date | Mar 15, 2010 |
| Grant date | Jan 28, 2014 |
| Priority date | — |
| Expiry date | Jun 15, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/906
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This application relates to processes for selectively removing anionic phosphate molecules from contaminated hydrocarbon oil using the ion exchange activity of acid activated clay. The methods are particularly applicable to the removal of volatile phosphates from hydrocarbons contaminated during fracturing operations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.