T/LYCY 2067-2024 Reed Resource Processing Technical Regulations for Pulp and Dissolved Pulp

Scope

Main technical content: 4. Preparation of long fibers 4.1 Preparation of long fibers from bamboo raw materials 4.2 Ethanol pulping process and lignin extraction 4.2.1 Ethanol pulping process 4.2.2 Lignin extraction and removal system 4.2.2.1 Countercurrent extraction 4.2.2.2 Single-stage extraction 4.2.2.3 Two-stage extraction 4.2.3 Recovery system for solvent ethanol and its by-product – lignin 5. Preparation of alkali chemical pulp 5.1 Preparation of unbleached pulp from bamboo raw materials by alkali method 5.2 Preparation of bleached bamboo pulp by two-stage alkali hydrogen peroxide bleaching 6. Preparation of dissolving pulp 6.1 Preparation of unbleached pulp from bamboo raw materials by sulfate method 6.2 Preparation of low-alkali dissolving pulp from bamboo by two-stage alkali hydrogen peroxide bleaching 6.3 Treatment of low-alkali dissolving pulp with cold alkali extraction and xylanase to prepare high-alkali dissolving pulp

Development Information

Related Standards