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采用复合酶对制浆黑液中的碳水化合物进行降解,然后经过发酵从降解产物转化为能源物质——乙醇,可以将黑液中的木质素提纯。提纯后的木质素可以得到更好地分离和利用,防止在利用木质素过程中所产生的二次污染。
The complex enzyme is used to degrade the carbohydrates in the black liquor and then the lignin in the black liquor can be purified from the degradation products by the fermentation into the ethanol - ethanol. The purified lignin can be better separated and utilized to prevent secondary pollution during utilization of the lignin.