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| Research Progress of Ozone-containing ECF Bleaching |
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| DOI：10.11980/j.issn.0254-508X.2018.04.013 |
| Key Words:ozone ECF low pollution bleaching AOX |
| Author Name | Affiliation | | WANG Cheng1，2 | 1. College of Light Industry and Food Engineering, Guangxi University, Nanning, Guangxi Zhuang Autonomous Region,530004
2. Guangxi Key Lab of Clean Pulp & Papermaking and Pollution Control, Nanning,Guangxi Zhuang Autonomous Region,530004 | | YAO Shuang-quan1，2 | 1. College of Light Industry and Food Engineering, Guangxi University, Nanning, Guangxi Zhuang Autonomous Region,530004
2. Guangxi Key Lab of Clean Pulp & Papermaking and Pollution Control, Nanning,Guangxi Zhuang Autonomous Region,530004 | | SHI Li-sheng1，2 | 1. College of Light Industry and Food Engineering, Guangxi University, Nanning, Guangxi Zhuang Autonomous Region,530004
2. Guangxi Key Lab of Clean Pulp & Papermaking and Pollution Control, Nanning,Guangxi Zhuang Autonomous Region,530004 | | LIU Bao-jie1，2 | 1. College of Light Industry and Food Engineering, Guangxi University, Nanning, Guangxi Zhuang Autonomous Region,530004
2. Guangxi Key Lab of Clean Pulp & Papermaking and Pollution Control, Nanning,Guangxi Zhuang Autonomous Region,530004 | | HUANG Ling-zhi1，2 | 1. College of Light Industry and Food Engineering, Guangxi University, Nanning, Guangxi Zhuang Autonomous Region,530004
2. Guangxi Key Lab of Clean Pulp & Papermaking and Pollution Control, Nanning,Guangxi Zhuang Autonomous Region,530004 | | QIN Cheng-rong1，2，* | 1. College of Light Industry and Food Engineering, Guangxi University, Nanning, Guangxi Zhuang Autonomous Region,530004
2. Guangxi Key Lab of Clean Pulp & Papermaking and Pollution Control, Nanning,Guangxi Zhuang Autonomous Region,530004 |
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| Abstract:This paper discussed the water pollution caused by pulp and paper industry in China. The development and classification of low pollution bleaching process was summarized. The low-pollution bleaching can be divided into two categories according to the types of bleaching agents， the elemental chlorine free （ECF） bleaching with ClO2 as the main bleaching agent and the totally chlorine free （TCF） bleaching of mainly using oxygen-based bleaching agent. Among these processes the ozone/ECF bleaching is a promising technology. The research status of ozone/ECF bleaching in domestic and overseas was reviewed. Although ozone ECF bleaching in abroad is a mature technology， it still exists many problems in domestic. Such as optimization of bleaching sequence of different pulps, developments of new protective agents， large ozone generator and high concentration agitator. |
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