FUEL & CHEMICAL PROCESSES ›› 2018, Vol. 49 ›› Issue (1): 47-49.

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Study on determination of chemical oxygen demand of coking waste water

Chen Ying  Han Wanning  Zhou Fengli  Pang Wenjuan   

  1. Coking Plant of Inner Mougolia Baotou Steel Union Co.,Ltd.,Baotou 014010,China
  • Online:2018-01-10

Abstract:

Chemical oxygen demand is an important index for evaluating the degree of pollution of water.It is an important parameter to monitor water quality.This paper analyzes the advantages and disadvantages of potassium dichromate method and spectrophotography method,based on which the measuring method for determination of coking waste water is improved.

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