RECYCLED PULP FIBER MANUFACTURING METHOD
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：
The purpose of the present invention is to provide a recycled pulp fiber manufacturing method with which it is possible to easily obtain recycled pulp fibers containing less of a high water-absorption polymer without requiring any mechanical equipment such as an ozone generation apparatus. This method is for manufacturing recycled pulp fibers from used sanitary goods including pulp fibers and a high water-absorption polymer， and is characterized by comprising: an inactivation step (S 1) for immersing a sanitary goods constituent material in an acid-containing aqueous solution so as to inactivate the high water-absorption polymer; a high water-absorption polymer degradation step (S3) for generating chlorine dioxide by adding a chlorine dioxide generating material， which is capable of generating chlorine dioxide through reaction with an acid， to the acid-containing aqueous solution that has undergone the inactivation step (S1)， and then degrading the inactivated high water-absorption polymer using said chlorine dioxide; and a recycled pulp fiber recovery step (S4) for recovering the recycled pulp fibers from the acid-containing aqueous solution that has undergone the high water-absorption polymer degradation step (S3).
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
