Chemical Safety Science, 2018, Volume 2, No 2, p. 238 — 250

 

Utilization and biodegradation of wastes

UDC 504.05                                                                          Download PDF (RUS)

DOI: 10.25514/CHS.2018.2.14130

 

POSSIBLE WAYS TO SOLVE PROBLEM OF SAFE EXPLOITATION OF MUNICIPAL SOLID WASTE LANDFILLS

 

Yu. I. Skurlatov1*, E. V. Shtamm1, V. O. Shvydkii2, L. N. Shishkina2and L. V. Semenyak3

1Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow, Russia,

*e-mail: yskurlatov@gmail.com

2Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, Russia

3All-Russian Research Institute of Fish Industry and Oceanography, Moscow, Russia

Received November 30, 2018

Abstract – A new approach for solving issues of safe storage of wastes at municipal solid waste landfills is proposed, which is focused on preventing formation of foul-smelling gases and water-soluble toxic substances in the landfill body. The approach is based on the results of long-term toxicological studies conducted by the authors on both municipal/industrial wastewater and natural water bodies. It is shown that formation of toxic properties of both natural aquatic systems and waste waters is governed by water-soluble compounds of reduced sulfur (H2S derivatives). These compounds are formed under anaerobic conditions in waste waters with high organic matter levels and in the bottom sediments of water bodies and are undetectable by conventional analytical control methods. These substances are inert towards O2, but are susceptible to interact effectively with H2O2. When treating sewage, in our case, drainage waters of landfill, stoichiometric additives of hydrogen peroxide achieve can provide their almost complete detoxification.

Keywords: municipal solid waste landfills, waste, detoxification, filtrate, wastewater, hydrogen peroxide, water-soluble compounds of reduced sulfur.


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