The results indicate that yield of screened pulp is almost unaltered, brightness of unbleached pulp is improved 8.
0%,在温度90℃时处理30min可以得到满意的结果,在纸浆得率几乎不变的前提下,烧碱蒽醌法蒸煮未漂浆白度提高了8。
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