Migration of Hazardous Components of Municipal Landfill Leachates into the Environment

Abstract

The research on the physical and chemical properties of landfill leachates and migration of its hazardous components into hydrosphere and biosphere is a current problem in the global context. The object of the research is landscape-changing factors of the Lviv municipal landfill (Ukraine). It was defined that the largest part of oil products accumulates in the leachates at the southwestern side of the landfill (23.6 mg/dm 3) and it is 2.36 times higher than the value of the maximum permissible concentration (MPC) (10 mg/dm 3); the most saline leachates with chlorides and sulfites are those accumulating at the foot and at the northwestern side; the phosphate content of the investigated leachate samples was the highest at the foot of the landfill and amounted to 12.8 mg/dm 3 , which exceeds the MPC (10 mg/dm 3) by 1.28 times; high concentration of ammonium nitride was discovered in the leachates at the foot (76.1 mg/dm 3) and at the northwestern side (46.3 mg/dm 3), which exceeds the MPC (30 mg/dm 3) by 2.53 and 1.54 times, respectively; the highest indicators of total iron are typical for basins nearby (at the foot-68.2 mg/dm 3 , at the northwestern side-56.3 mg/dm 3) and exceed the MPC norms (2.5 mg/dm 3) by 27.28 and 22.52 times, respectively. According to certain indicators, the content of hazardous components in the leachates, which accumulate at the foot and at the northwestern side, exceeds the MPC and is several times higher than in the natural basins at the distance of 800 and 1200 m.

Establishing Environmental Standardization of Wastewater Composition Based on Environmental Risk Assessment

“…One of the most extensive environmental problems of economically developed countries is the pollution of waterbodies by wastewater (Odnorih et al 2020, Belokon et al 2018), diverted from industrial, agricultural and municipal enterprises (EU Water Framework Directive 2000, Zhelnovach et al 2022, Popovych et al 2020. In a series of post-Soviet countries, in particular, in Ukraine, in order to prevent the level of waterbodies pollution above the safe level, regulations for discharges of pollutants are developed and approved.…”

Pilot-Scale Modelling of Aerated Lagoon Technology for the Treatment of Landfill Leachate: Case Study Hrybovychi Plant

“…Leachate is actively formed in the landfill body when moisture content of deposited solid waste is more than 55%, and due to precipitation that exceeds the evaporation from the landfill surface (Municipal Solid Waste Landfills, 2005). Landfill leachates are highly concentrated water solutions of various toxic organic and inorganic substances (Melnyk et al, 2014;Popovych et al, 2020;Teng et al, 2021). In the absence of strict control of hydrosphere pollution (Iurchenko et al, 2016;Tulaydan et al, 2017), and due to problems with monitoring of this pollution (Odnorih et al, 2020), development of effective methods to prevent contamination of surface waters and aquifers by leachates is especially important.…”

Use of Microbiocenosis Immobilized on Carrer in Technologies of Biological Treatment of Surface and Wastewater

“…Surface and wastewater monitoring (Odnorih et al, 2020, Popovych et al, 2020 and the use of effective wastewater treatment methods are the key to achieve the sustainable development goals. Among the methods of wastewater treatment, adsorption using natural sorbents (Malovanyy et al, 2019a and biological methods (Blyashyna et al, 2018, Malovanyy et al, 2021, Semenenko et al, 2020) can be distinguished.…”