公开(公告)号：US20230220623A1

公开(公告)日：2023-07-13

申请号：US18024193

申请日：2021-08-13

申请人： Yufang LIU ,  Bo BAI ,  Jiani BAI

发明人： Bo BAI ,  Jiani BAI ,  Dong WANG ,  Yufang LIU ,  Xiaofei SHI

IPC分类号： D21C11/00 ,  D21C3/06 ,  D21C3/22 ,  D21D1/20 ,  D21C5/00 ,  D21H11/12 ,  D21H27/10

CPC分类号： D21C11/0007 ,  D21C3/06 ,  D21C3/222 ,  D21D1/20 ,  D21C5/005 ,  D21H11/12 ,  D21H27/10

摘要： A method for co-producing molded food-container pulp and fulvic acid from cotton stalk, which belongs to the field of comprehensive utilization of crop straw resources. The method adopts digesting, defibering and bio-treating measures to remove pectin and hemicellulose and other anionic waste generating sources in cotton straw raw materials to obtain a pulp with low beating degree; and retains part of lignin to help form oil-proof and waterproof film of a molded food-container and improves the stiffness and water filtration of the molded food-container and increases a yield of fiber pulp; adopts ammonium sulfite method to pulping to meet fiber requirements while obtaining fulvic acid.