| 摘要 |
A method for the preparation of lignin from lignocellulosic material by pulping with alcohol, in particular with a C1-4 alcohol, water and a base, in particular NaOH, at a temperature below 100° C., in particular from 40° C. to 90° C., in particular from 50° C. to 70° C., characterized in that 3 to 12 parts of base, in particular 4 to 10 parts of base, in particular preferable 5 to 8 parts of base, are used per 100 parts of the dry lignocellulosic material to be pulped. |
