| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: raw material undergoes steam treatment before the cooking step. Cellulose obtained by cooking, undergoes cold caustic extraction (CCE) during subsequent treatment. ^ EFFECT: invention enables to obtain cellulose with high output and purity of the product, and avoid accumulation of hemicellulose in the bleaching filtrate. ^ 21 cl, 7 ex, 9 tbl, 13 dwg |
