Process for producing phenolic compounds from lignins
Patent
·
OSTI ID:672643
A process is described for the production of low molecular weight phenolic compounds from lignins through the pyrolysis of the lignins in the presence of a strong base. In a preferred embodiment, potassium hydroxide is present in an amount of from about 0.1% to about 5% by weight, the pyrolysis temperature is from about 400 C to about 600 C at atmospheric pressure, and the time period for substantial completion of the reaction is from about 1--3 minutes. Examples of low molecular weight phenolic compounds produced include methoxyphenols, non-methoxylated phenols, and mixtures thereof. 16 figs.
- Research Organization:
- Midwest Research Institute, Kansas City, MO (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC36-83CH10093
- Assignee:
- Midwest Research Inst., Kansas City, MO (United States)
- Patent Number(s):
- US 5,807,952/A/
- Application Number:
- PAN: 8-641,946
- OSTI ID:
- 672643
- Resource Relation:
- Other Information: PBD: 15 Sep 1998
- Country of Publication:
- United States
- Language:
- English
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