Method for preparing taurine and method for recovering mother liquor thereof
US11891355B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 17, 2020 |
| Grant date | Feb 6, 2024 |
| Priority date | — |
| Expiry date | Feb 4, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C303/32
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present disclosure relates to a method for preparing taurine and a method for recovering a mother liquor thereof. The method for recovering the taurine mother liquor comprises: providing a taurine mother liquor, and mixing the taurine mother liquor and a treating agent to obtain a solid-containing suspension, wherein the treating agent is a water-soluble organic solvent or a mixture of the water-soluble organic solvent and water; filtering the suspension to obtain a first solid product and a first filtrate; and dissolving the first solid product with an ammonia source, and then filtering same to obtain a second solid product and a second filtrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.