Method and system for recovering pulp fibers from used absorbent articles
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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Provided is a method for highly efficiently removing a highly water-absorbent polymer from pulp fibers that have been separated from used absorbent articles and include residual highly water-absorbent polymer. A method for recovering pulp fibers from used absorbent articles that include the pulp fibers and a highly water-absorbent polymer， the method comprising: a solid-liquid separation step (S18) in which a deactivating aqueous solution that includes pulp fibers and highly water-absorbent polymer that have been separated from the used absorbent articles is separated into a solid that includes the pulp fibers and the highly water-absorbent polymer and a liquid that includes the highly water-absorbent polymer and the deactivating aqueous solution and， meanwhile， the highly water-absorbent polymer is smashed; and an oxidizing agent treatment step (S19) in which the pulp fibers and smashed highly water-absorbent polymer included in the separated solid are treated with an aqueous solution that includes an oxidizing agent.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
