GORENJE UNDERGROUND BURNING OF INDUSTRIAL WASTE LANDFILLS

The article analyzes theoretical data on underground fires at solid industrial waste landfills. The main factors influencing spontaneous combustion processes at landfills are the presence of humidity, oxygen, microorganisms, which significantly contributes to an increase in the temperature regime in the thickness of the soil massif. The inefficiency of extinguishing an industrial waste landfill with water is substantiated. Widely used methods and fire extinguishing compositions do not always have the desired effect in extinguishing subsurface sources of combustion of industrial waste. Full-scale tests were carried out at a landfill for the disposal of waste from the production of rubber products. A method for extinguishing deep combustion of industrial waste is proposed, as well as a formula for the developed fire extinguishing suspension. It is determined that the applied method of supplying the resulting fire extinguishing suspension will reduce the access of oxygen to the source of combustion and thereby significantly reduce the combustion temperature. The advantages of the extinguishing method with a new composition based on a phosphorus-containing suspension and perlite, and antioxidants are considered.