FIELD: pharmaceutical industry, cosmetic production and food industry. SUBSTANCE: method is carried out by chemical processing of lignin. The process is carried out in alkali medium, oxidized white liquor of sulfate cellulose production being used as said alkali medium. EFFECT: improved efficiency of the method. 2 tbl
Title | Year | Author | Number |
---|---|---|---|
PROCESS FOR PREPARING AROMATIC OXYALDEHYDES | 1992 |
|
RU2057112C1 |
OXIDIZING AGENT FOR LIGNOSULPHONATES TO PRODUCE VANILLIN | 1996 |
|
RU2117655C1 |
METHOD OF PREPARING VANILLIN | 1996 |
|
RU2117654C1 |
METHOD FOR ISOLATION OF VANlLLIN | 1993 |
|
RU2078754C1 |
3-PHENYLAZO-4-HYDROXYBENZYLIDENEANILINE AS ACTIVATING AGENT OF LIGNIN ALKALINE HYDROLYSIS | 1996 |
|
RU2132328C1 |
METHOD OF SYNTHESIS OF AROMATIC ALDEHYDES | 2000 |
|
RU2165920C1 |
METHOD FOR PRODUCTION OF AROMATIC ALDEHYDES FROM LIGNIN-CONTAINING MATERIAL | 2000 |
|
RU2164511C1 |
METHOD OF SYNTHESIS OF AROMATIC ALDEHYDES | 2001 |
|
RU2179968C1 |
METHOD OF PREPARING VANILLIN | 2000 |
|
RU2175314C1 |
METHOD OF PROCESSING SMALL-LEAVED WOOD | 2000 |
|
RU2178405C1 |
Authors
Dates
1997-05-10—Published
1994-08-25—Filed