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- Title
光催化氧化-生物降解直接耦合处理 桉木化机浆废水的研究.
- Authors
田庆文; 朱亚玮; 房桂干; 盘爱享; 郭文亮; 尹航; 施英乔; 梁芳敏
- Abstract
In this paper, the anaerobic wastewater from eucalyptus chemical-mechanical pulp using intimately coupled photocatalysis and biodegradation (ICPB) and Fenton oxidation treatment was explored, and the efficiency, microbial colony structure, and mechanism of ICPB for treating eucalyptus chemical mechanical pulp anaerobic wastewater were studied. The results showed that the biochemical treatment effect of eucalyptus pulping wastewater was poor. ICPB method could significantly improve the aerobic treatment effect of eucalyptus chemi-mechanical pulp wastewater and reduce the dosage of Fenton reagent in the advanced treatment process, which was due to the synergistic effect between photocatalytic oxidation and microbial degradation. The CODCr removal of wastewater in the aerobic treatment process increases from 46. 7% to 74. 3%. The diversity and richness of microorganisms in ICPB system increased, and the dominant bacteria degrading aromatic compounds increased significantly.
- Subjects
WASTEWATER treatment; PHOTOCATALYTIC oxidation; MICROBIAL communities; AROMATIC compounds; SEWAGE; FIREPROOFING agents; MILLS &; mill-work; BIOGAS industry
- Publication
China Pulp & Paper, 2023, Issue 8, p114
- ISSN
0254-508X
- Publication type
Article
- DOI
10.11980/j.issn.0254-508X.2023.08.016