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对制浆前热水预抽提半纤维素的工艺进行了综述。抽提液中的半纤维素经分离后可以用来生产乙醇或乙酸等化学品,抽提后的植物纤维原料仍用于制浆造纸。
The technology of pre-extraction of hemicellulose in hot water before pulping was reviewed. The hemicellulose in the extract can be used to produce chemicals such as ethanol or acetic acid after the separation. The extracted plant fiber raw material is still used for pulping and papermaking.