Process for the production of formaldehyde
US10087140B2 · kind B2 · utility
3Cited by
10References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2015 |
| Grant date | Oct 2, 2018 |
| Priority date | — |
| Expiry date | Dec 18, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/52
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process is described for the production of formaldehyde, comprising (a) subjecting methanol to oxidation with air in a formaldehyde production unit thereby producing a formaldehyde-containing stream; (b) separating said formaldehyde-containing stream into a formaldehyde product stream and a formaldehyde vent gas stream; wherein the vent gas stream, optionally after treatment in a vent gas treatment unit, is passed to one or more stages of: (i) synthesis gas generation, (ii) carbon dioxide removal, (iii) methanol synthesis or (iv) urea synthesis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.