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Study on Migration and Transformation of Dissolved Organic Matter of Waste Paper Pulping and Papermaking Wastewater in the Treatment Process
Received:December 30, 2021  
DOI：10.11980/j.issn.0254-508X.2022.07.001
Key Words:waste paper  papermaking wastewater  DOM  characteristic analysis
Fund Project:福建省教育厅科技项目（JAT200011）；福建省自然科学基金项目（2020J01506）。
Author NameAffiliationPostcode
CHEN Xueping Postdoctoral Workstation，Shanying International Holdings Co.，Ltd.， Maanshan， Anhui Province， 243021 243021
ZHAN Zhengfeng Postdoctoral Workstation，Shanying International Holdings Co.，Ltd.， Maanshan， Anhui Province， 243021 243021
YI Hao College of Environment & Safety Engineering， Fuzhou University， Fuzhou， Fujian Province，350116 350116
WANG Ping College of Environment & Safety Engineering， Fuzhou University， Fuzhou， Fujian Province，350116 350116
WANG Luying College of Environment & Safety Engineering， Fuzhou University， Fuzhou， Fujian Province，350116 350116
ZHU Yu School of Advanced Manufacturing， Fuzhou University， Jinjiang， Fujian Province， 362200 362200
LIN Chunxiang College of Environment & Safety Engineering， Fuzhou University， Fuzhou， Fujian Province，350116 350116
HUANG Jian* Postdoctoral Workstation，Shanying International Holdings Co.，Ltd.， Maanshan， Anhui Province， 243021
College of Environment & Safety Engineering， Fuzhou University， Fuzhou， Fujian Province，350116
School of Advanced Manufacturing， Fuzhou University， Jinjiang， Fujian Province， 362200 		362200
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Abstract:Waste paper making has gradually become the leader of the papermaking industry， but the wastewater of the industry has the characteristics of large amount of production and serious pollution. Taking the wastewater from the waste paper making in a paper mill of Shanying International Holdings Co.，Ltd.， the characteristics， migration and transformation of dissolved organic pollutants （DOM） in the wastewater were discussed.The characteristics of DOM in wastewater were characterized by UV-Vis spectrum， infrared spectrum， three-dimensional fluorescence spectrum， gel permeation chromatography （GPC） and gas chromatography-mass spectrometry （GC-MS）.The results showed that the DOM in wastewater was mainly hydrophobic aromatic compounds and long-chain alkanes， and the molecular weight was widely distributed. After biochemical treatment， the secondary effluent still containedrefractory humic acids. After advanced oxidation treatment， the COD of the wastewater was greatly reduced， and the final effluent DOM was mainly humic organic matter containing benzene ring.
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