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| DCS Analysis in the Tissue Packaging Paper Manufacturing System Using Deinked Pulp |
| Received:June 10, 2021 |
| DOI：10.11981/j.issn.1000-6842.2021.03.43 |
| Key Words:deinked pulp;dissolved and colloidal substances;white water;tissue packaging paper |
| Fund Project:国家自然科学基金（31770633）；生物基材料与绿色造纸国家重点实验室开放基金（KF201813）；福建农林大学科技创新专项基金项目（CXZX2018008）。 |
| Author Name | Affiliation | Postcode | | MIAO Qingxian* | College of Materials Engineering， Fujian Agriculture and Forestry University， Fuzhou， Fujian Province， 350002
State Key Laboratory of Biobased Material and Green Papermaking， Qilu University of Technology （Shandong Academy of Sciences）， Ji'nan， Shandong Province， 250353 | 250353 | | ZHANG Chen | College of Materials Engineering， Fujian Agriculture and Forestry University， Fuzhou， Fujian Province， 350002 | 350002 | | GUO Xingji | College of Materials Engineering， Fujian Agriculture and Forestry University， Fuzhou， Fujian Province， 350002 | 350002 | | HUANG Liulian | College of Materials Engineering， Fujian Agriculture and Forestry University， Fuzhou， Fujian Province， 350002 | 350002 | | CHEN Lihui | College of Materials Engineering， Fujian Agriculture and Forestry University， Fuzhou， Fujian Province， 350002 | 350002 |
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| Abstract: |
| The characterization analysis of dissolved and colloidal substances （DCS） existing in the tissue packaging paper manufacturing system using deinked pulp as raw material was conducted. The results showed that all the performance indicators of DCS in the bleached pulp were the highest compared with other deinked pulp samples， which was due to the alkaline peroxide bleaching extracting more DCS from the deinked pulp. All the performance indicators of DCS in the headbox ranked the first compared with other paper stocks located in different spots， which was ascribed to the circulation of white water. The main components of carbohydrates in DCS were sugars and aldehyde acids， while the methyl tert-butyl ether （MTBE） extractives mainly comprised different fatty acids， resin acids， glyceride， sterol ester， and lignin-degraded substances. |
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