№9|2016

WASTEWATER TREATMENT

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UDC 628.353:661.5

Iantsen O. V.

Enhanced wastewater treatment with nitrogen compounds removal  in biofilters

Summary

Biofilters mainly built in Russia in 1960–1970-ies in most cases are a part of small-scale treatment facilities. At present most biofilters are in serviceable condition (owing to the specific design), however they provide for incomplete biological treatment. The results of the laboratory studies of the wastewater treatment technology in biofilters are presented. Several process flow schemes are considered, optimal modes of the facilities‘ operation are suggested. The properties of different filter media were studied. The advantages and drawbacks of the technologies and media studied are noted. Health-related and chemical parameters of the water treated are set. The diagrams that reflect running processes of nitrification-denitrification are presented. The use of a two-stage four-zone process flow scheme of biological wastewater treatment is substantiated. The suggested process flow scheme will provide for the wide use of biofilters both in upgrading the existing facilities and in designing new ones.

Key words

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REFERENCES

  1. Gogina E., Yantsen O. Research of biofilter feed properties. International Journal of Applied Engineering Research, 2015, v. 10, no. 24, pp. 44070–44074.
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  4. Makisha N., Yantsen O. Laboratory modeling and research of waste water treatment processes in biofilters with polymer feed. Applied Mechanics and Materials, 2014, v. 587–589, pp. 640–643.
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  7. Iantsen O. V., Gogina E. S. [Enhancement of ammonia nitrogen removal from wastewater in biofilters]. Proceedings of XI Scientific and Technical Conference «Readings from Iakovlev». Moscow, 2016, pp. 191–195. (In Russian).
  8. Makisha N. A., Iantsen O. V. [Hydraulic simulation and study of wastewater treatment in flatbed biofilters]. Vestnik Ir­kutskogo Gosudarstvennogo Tekhnicheskogo Universiteta, 2014, no. 11, pp. 171–175. (In Russian).
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Российская ассоциация водоснабжения и водоотведения

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