|
二维码（扫一下试试看！） |
| Study on Chlorine Dioxide Bleaching Process Based on Chemical Reaction Network Hierarchical Analysis Method |
| Received:March 05, 2024 Revised:April 25, 2024 |
| DOI：10.11981/j.issn.1000-6842.2025.01.161 |
| Key Words:directed network;node hierarchy;chlorine dioxide;lignin model substance |
| Fund Project:国家自然科学基金（22478141，52000078）；中央高校基本科研业务费项目（2023ZYGXZR100）。 |
| Author Name | Affiliation | Postcode | | AN Jing | State Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 | 510640 | | CHEN Bo | Xi’an Aerospace Automation Co.， Ltd.， Xi’an， Shaanxi Province， 710065 | 710065 | | MAN Yi* | State Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 | 510640 |
|
| Hits: 71 |
| Download times: 39 |
| Abstract: |
| ClO2 as an efficient bleaching agent， is widely used in pulp and paper bleaching processes. The interaction between lignin and ClO2 involves a complex reaction mechanism that poses significant challenges in terms of precise control over the reaction process. Among them， the chlorination reaction occurring between lignin and chlorine-containing compounds leads to the generation of adsorbable organic chlorides （AOX）， which not only compromise the quality of paper， but also contribute to environmental pollution. Therefore， this study took the lignin model compounds methoxycresol and ClO2 as the research objects. By analyzing the main oxidation and chlorination products and yields of lignin reacting with ClO2， combing with relevant reaction mechanisms， 19 main chemical reactions were extracted， and a chemical reaction network containing 20 nodes and 43 directed edges was constructed. Utilizing the node centrality index， the key nodes transmitted in the chemical reaction network were identified， and the critical path of AOX formation during the bleaching process was revealed， through the hierarchical division and structural analysis of the chemical reaction network. |
| View Full Text View/Add Comment Download reader HTML |
