Method for purification of deicing fluid for recovery of glycol
US6565753B1 · kind B1 · utility
3Cited by
4References
6Claims
0Family size
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Key dates
| Filing date | Jun 27, 2000 |
| Grant date | May 20, 2003 |
| Priority date | — |
| Expiry date | Jun 27, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C29/80
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
In the purification of deicing fluid for recovery of glycol, initially solid particles are separated, then dissolved organic compounds and positive and negative ions are separated by an ion exchange in an ion exchanger, and finally water is separated by distillation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.