Influence of redox potential of the medium on phosphorus migration in sludge liquor

Authors

  • Валентина Александровна Юрченко Kharkov national university of construction and architecture 40, street of Sumskaia, Kharkov, Ukraine, 61002, Ukraine https://orcid.org/0000-0001-7123-710X
  • Александр Владимирович Смирнов Kharkiv national university of construction and architecture 40, street of Sumskaia, Kharkov, Ukraine, 61002, Ukraine https://orcid.org/0000-0002-9109-6030
  • Анна Юрьевна Бахарева National technical university «Kharkov polytechnic institute» 21, street of Frunze, Kharkov, Ukraine, 61002, Ukraine https://orcid.org/0000-0003-0765-9943

DOI:

https://doi.org/10.15587/1729-4061.2015.55395

Keywords:

wastewater, activated sludge, phosphates, redox potential, volatile fatty acids

Abstract

The characteristics of the influence of the redox potential of the medium on the process of biological wastewater treatment from phosphates were investigated. The research was aimed at identifying new control actions to intensify wastewater treatment from phosphorus compounds and protect natural water bodies from pollution. The quantitative relationships were determined in the laboratory simulation of aerobic and anaerobic cultivation conditions of sludge liquor, as well as when examining existing sewage treatment facilities. It was found that the lower the redox potential values in the anaerobic wastewater treatment zones, the more intensive the phosphate mobilization from activated sludge into the aqueous medium and, consequently, the more phosphates will be immobilized from the aqueous medium into sludge under aerobic conditions. The obtained quantitative characteristics allow to use the redox potential of wastewater (controlled variable) to manage and intensify the deep removal of phosphorus compounds during biological wastewater treatment.

Author Biographies

Валентина Александровна Юрченко, Kharkov national university of construction and architecture 40, street of Sumskaia, Kharkov, Ukraine, 61002

Doctor of engineering science, full professor

Department of safety of life activity and engineering ecology

Александр Владимирович Смирнов, Kharkiv national university of construction and architecture 40, street of Sumskaia, Kharkov, Ukraine, 61002

Graduate student

Department of safety life activity and engineering ecology

Анна Юрьевна Бахарева, National technical university «Kharkov polytechnic institute» 21, street of Frunze, Kharkov, Ukraine, 61002

Candidate of engineering sciences (PhD), associate professor

Department of occupational safety and environmental

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Published

2015-12-22

How to Cite

Юрченко, В. А., Смирнов, А. В., & Бахарева, А. Ю. (2015). Influence of redox potential of the medium on phosphorus migration in sludge liquor. Eastern-European Journal of Enterprise Technologies, 6(6(78), 78–84. https://doi.org/10.15587/1729-4061.2015.55395

Issue

Vol. 6 No. 6(78) (2015): Technology organic and inorganic substances. Ecology

Section

Ecology

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Copyright (c) 2015 Валентина Александровна Юрченко, Александр Владимирович Смирнов, Анна Юрьевна Бахарева

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