Method to treat flushing liquor systems in coke plants
US10308532B2 · kind B2 · utility
0Cited by
27References
17Claims
0Family size
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Key dates
| Filing date | Apr 18, 2012 |
| Grant date | Jun 4, 2019 |
| Priority date | — |
| Expiry date | Mar 21, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F220/56
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Methods are disclosed for reducing oil in water emulsions in coking processes. One exemplary method comprises: providing an aqueous stream with an oil in water emulsion; providing a treatment composition, wherein the treatment composition comprises at least one cationic polyacrylamide; and contacting the aqueous stream with the treatment composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.