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The Experimental Research on Phosphorus and Nitrogen Removal in Two-stage SBR Process by Automatic Control

NIE Xi   

  1. School of Water Conservancy & Environment Engineering, Changchun Institute of Technology，Changchun 130012, China
  • Received:2006-08-05 Revised:1900-01-01 Online:2007-05-26 Published:2007-05-26
  • Contact: NIE Xi

Abstract: Researchor use two-stage SBR reactor to remove phosphorus and nitrogen simultaneously, to solve the paradoxical relationships between phosphorus and nitrogen in the mixed growth system. The results showed that reactor can automatic control two-stage SBR process separately according to the varying regulations of pH、ORP and DO of nitrogen-stage and phosphorus-stage, using automatic control technology.

Key words: wo-stage SBR process, automatic control, pH value, oxidation reduction potential(ORP), dissolved oxygen(DO)

CLC Number: 

  • X52
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