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UDC 628.31.504.3.054

Kaszuk Brice, Lobanov Fedor

The main trends in the use of deodorization to control malodorous substances


Elimination of odors caused by malodorous substances at the wastewater treatment facilities is provided with the use of oxygen-containing organic substances by interaction in the air between molecules of sulfur or nitrogen compounds (with sour or fishy smell) and molecules of oxygen-containing substances. Depending upon the composition of malodorous air which contains usually up to 5–8 different compounds (hydrogen sulfide and mercapto compounds; ammonia and various amines) different combinations of aldehydes and ketones are selected. The use of various combinations of odor-blockers provides for the optimal air deodorization results. Deodorant compounds can be used only if the concentration of malodorous substances is lower than maximum permissible limits for atmospheric air. The statistic and dynamic methods of oxygen-containing organic substance molecules distribution in the air are presented. The recommendations on the use of deodorants for odor control at different public utilities (wastewater sludge mechanical dewatering facilities, pumping stations, sewers, settling tanks, ventilating systems) are given.

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  1. Rublevskaia O. N. [Measures on preventing malodors release at the facilities of SUE «Vodokanal of St. Petersburg»]. Vodosnabzhenie i Sanitarnaia Tekhnika, 2013, no. 10, pp. 46–55. (In Russian).
  2. Karmazinov F. V., Lobanov F. I., Kaszuk B. [Pat. 2331442, RF. IPC A61L 9/012, A61L 9/14. The method of odor control at landfills, dumps and sewage fields (options)]. Izobreteniia. Poleznye Modeli, 2008, no. 23.

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