Title:
【発明の名称】リグニン含有原料からセルロースを製造する方法
Document Type and Number:
Japanese Patent JPH0718108
Kind Code:
B2
Abstract:
A process and apparatus for transforming and/or extracting lignin or its decomposition products from lignin-cellulosic materials. For this purpose, a redox potential in the 200-500 mV range is set by adding oxidizing and/or reducing agents and/or salts and/or phenolic compounds to an acid aqueous solution of the lignin-containing raw materials. The lignin-decomposing reaction is initiated with bleaching by adding enzymes, micro-organisms, animal or vegetable cells. The reaction is maintained for several hours at a redox potential value oscillating around a constant value, at a constant temperature and with constant agitation.
Inventors:
KARU HANSUUPEETAA
Application Number:
JP50675987A
Publication Date:
March 01, 1995
Filing Date:
October 24, 1987
Export Citation:
Assignee:
KARU HANSUUPEETAA
International Classes:
C08L101/16; C12N1/22; C12S3/04; C12S3/08; D21C3/00; D21C3/22; D21C5/00; D21C7/00; D21C9/10; D21C; (IPC1-7): D21C3/22; C12S3/08; D21C7/00; D21C9/10
Domestic Patent References:
| JP5455605A | ||||
| JP5164477A | ||||
| JP5013604A | ||||
| JP3716576B1 | ||||
| JP15871B1 | ||||
| JP292101B1 | ||||
| JP6149436B2 |
Other References:
【文献】特許92906(JP,C2)
【文献】特許90659(JP,C2)
【文献】特許90659(JP,C2)
Attorney, Agent or Firm:
Aoki Akira (4 outside)
Next Patent: 脱墨装置