Effect of Transition Elements on Biochemical Oxygen Demand

A. M. Safarov; R. M. Khatmullina; V. I. Safarova; A. R. Mukhamatdinova; V. Z. Latypova; G. F. Shaidulina; A. A. Kovbota

doi:10.1134/S1061934818080087

Effect of Transition Elements on Biochemical Oxygen Demand

Autores: Safarov A.¹, Khatmullina R.², Safarova V.², Mukhamatdinova A.², Latypova V.³, Shaidulina G.², Kovbota A.¹
Afiliações:
1. Ufa State Oil Technical University
2. State Analytical Control Department
3. Kazan Federal University
Edição: Volume 73, Nº 8 (2018)
Páginas: 771-776
Seção: Articles
URL: https://journals.rcsi.science/1061-9348/article/view/182784
DOI: https://doi.org/10.1134/S1061934818080087
ID: 182784

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The results of model experiments on the effect of transition elements (iron, manganese) and sulfide ions on the values of chemical (COD) and biochemical oxygen demand (BOD) are presented. It is shown that, in the presence of transition elements in water, BOD is overestimated. In the presence of 100 mg/L of iron(II) and >0.05 mg/L of sulfides in water, the BOD values exceed those of COD.