Method for recovering pulp fibers from used absorbent article
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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资源简介：
A method is provided for recovering pulp fibers having little damage from a used absorbent article which includes a water permeable front sheet， a water impermeable back sheet and an absorbent body that contains pulp fibers and a superabsorbent polymer. At least one opening with a circle equivalent diameter of 5-45 mm， or 10-45 mm cut， is made in the front sheet and/or the back sheet of the used absorbent article， which is then agitated in an organic acid aqueous solution with a pH of less than or equal to 2.5， and the superabsorbent polymer is deactivated and the pulp fibers and superabsorbent polymer are discharged from the used absorbent article through the opening or cut.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
