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Engineering Design of Wastewater Treatment towards Carbonless Copy Paper Coating
Received:December 02, 2021  
DOI：10.11980/j.issn.0254-508X.2022.03.015
Key Words:wastewater of carbonless copy paper coating  wastewater treatment  engineering design
Author NameAffiliationPostcode
LIU Yingyao* State Key Lab of Pulp and Paper Engineering， South China University of Technology，Guangzhou， Guangdong Province， 510640 510640
HE Yuna State Key Lab of Pulp and Paper Engineering， South China University of Technology，Guangzhou， Guangdong Province， 510640 510640
CHEN Gang State Key Lab of Pulp and Paper Engineering， South China University of Technology，Guangzhou， Guangdong Province， 510640 510640
FANG Zhiqiang State Key Lab of Pulp and Paper Engineering， South China University of Technology，Guangzhou， Guangdong Province， 510640 510640
WANG Qinwen State Key Lab of Pulp and Paper Engineering， South China University of Technology，Guangzhou， Guangdong Province， 510640 510640
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Abstract:Taking a carbonless copy paper manufacturer in Guangxi as an example， the wastewater of carbonless copy paper coating was treated with a combination of primary physicochemical method （high-efficiency wastewater purifier）， biochemical method （tower biological filter） and deep oxidation （Fenton oxidation）.The results showed that CODCr removal rate of this process was 97.8%， the BOD5 removal rate was 98.3%， and the SS removal rate was 95.9% for wastewater of carbonless copy paper coating.All of quality indicators of the treated wastewater met the discharge standards stipulated in GB 3544—2008.
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