Method for removal of volatile phosphates from hydrocarbons
US9011692B2 · kind B2 · utility
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23References
26Claims
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Key dates
| Filing date | Dec 2, 2013 |
| Grant date | Apr 21, 2015 |
| Priority date | — |
| Expiry date | Dec 2, 2033 |
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.