oxygen delignification
中国造纸杂志社-造纸;纸浆;制浆;行业;专家;设备 关键词:桑枝;硫酸盐浆;氧脱木素;漂白 [gap=984]Key words:mulberry branch; kraft pulp; oxygen delignification; bleaching
oxygen delignification spent liquor
two-stage oxygen delignification
Doddel process