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Kinetic studies on agrochemicals wastewater treatment by aerobic activated sludge process at high MLSS and high speed agitation

Authors
Journal
Journal of Industrial and Engineering Chemistry
1226-086X
Publisher
Elsevier
Publication Date
Volume
18
Issue
4
Identifiers
DOI: 10.1016/j.jiec.2012.01.029
Keywords
  • Aerobic
  • Activated Sludge
  • Kinetics
  • Mlss
  • Agitation Speed
  • Agrochemicals Wastewater
Disciplines
  • Chemistry

Abstract

Abstract In the present work an effort has been made to study the kinetics of agrochemicals industry wastewater treatment by aerobic activated sludge process at high mixed liquor suspended solids (MLSS) and high speed agitation. MLSS concentration was varied in the range 6000–40,000mgL−1 and 2.5mgL−1 optimum dissolved oxygen (DO) was employed. Highest chemical oxygen demand (COD) reduction was found to be 76.83% at 9000mgL−1 MLSS at 130rpm and DO 2.5mgL−1. Highest COD reduction was observed to be 80.76% at 25,000mgL−1 MLSS at higher agitation speed.

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