The Study of PAFSSB on RO Pre-Treatment in Pulp and Paper Wastewater

Published Date

doi:10.1016/j.proenv.2011.10.003

2011 International Conference on Environment Science and Biotechnology (ICESB 2011)

Open Access, Creative Commons license

Author 

Suqin Li ^a,b,,,

Xue Zhang ^a

• aSchool of Metallurgical and Ecological Engineering, University of Science and Technology Beijing,100083,China
• bKey Laboratory of Ecology & Circulating Metallurgy, National Ministry of EducationBeijing, 100083,China

Available online 6 December 2011.

Abstract

Reverse osmosis approach was used to dispose pulp and paper wastewater from a papermaking company. To meet the requirements of reverse osmosis membranes for water quality, a proper pretreatment had been done before raw water into RO membranes. A new efficient composite flocculant named PAFSSB had been used in the pre-treatment of pulp and paper wastewater. In the paper, the results showed that the treatment effect of PAFSSB was better, COD content was down to 10 mg/L and COD removal rate was up to 75%. The pre-treatment process was simplified and processing costs were reduced.

Keywords

RO pre-treatment

Pulp and paper wastewater

Efficient flocculation

PAFSSB

COD

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