Membrane and Water Treatment

  • 제8권4호
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  • Pages.311-321
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  • 2017
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  • 2005-8624(pISSN)
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  • 2092-7037(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

PPTA/PVDF blend membrane integrated process for treatment of spunlace nonwoven wastewater

  • Li, Hongbin (School of Textiles Engineering, Henan University of Engineering, Henan Engineering Laboratory of New Textiles Development) ;
  • Shi, Wenying (School of Textiles Engineering, Henan University of Engineering, Henan Engineering Laboratory of New Textiles Development) ;
  • Qin, Longwei (School of Textiles Engineering, Henan University of Engineering, Henan Engineering Laboratory of New Textiles Development) ;
  • Zhu, Hongying (School of Textiles Engineering, Henan University of Engineering, Henan Engineering Laboratory of New Textiles Development) ;
  • Du, Qiyun (State Key Laboratory of Hollow Fiber Membrane Materials and Processes, Tianjin Polytechnic University) ;
  • Su, Yuheng (School of Textiles Engineering, Henan University of Engineering, Henan Engineering Laboratory of New Textiles Development) ;
  • Zhang, Haixia (School of Textiles Engineering, Henan University of Engineering, Henan Engineering Laboratory of New Textiles Development) ;
  • Qin, Xiaohong (School of Textiles Engineering, Henan University of Engineering, Henan Engineering Laboratory of New Textiles Development)
  • 투고 : 2016.08.25
  • 심사 : 2016.12.19
  • 발행 : 2017.07.25
⟨ 이전 논문 다음 논문 ⟩

초록

Hydrophilic and high modulus PPTA molecules were incorporated into PVDF matrix via the in situ polymerization of PPD and TPC in PVDF solution. PPTA/PVDF/NWF blend membrane was prepared through the immersion precipitation phase inversion method and nonwoven coating technique. The membrane integrated technology including PPTA/PVDF/NWF blend membrane and reverse osmosis (RO) membrane was employed to treat the polyester/viscose spunlace nonwoven process wastewater. During the consecutive running of six months, the effects of membrane integrated technology on the COD, ammonia nitrogen, suspended substance and pH value of water were studied. The results showed that the removal rate of COD, ammonia nitrogen and suspended substance filtered by PPTA/PVDF blend membrane was kept above 90%. The pH value of the permeate water was about 7.1 and the relative water flux of blend membrane remained above 90%. After the deep treatment of RO membrane, the permeate water quality can meet the water circulation requirement of spunlace process.

키워드

과제정보

연구 과제 주관 기관 : National Natural Science Foundation of China, University of Henan Province

참고문헌

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