In landfills containing domestic solid waste, materials with disadvantages such as poor insulation and ability to transmit oxygen and water are generally used. This can lead to the formation of acidic water and undesirable processes. Scientists from Perm Polytechnic University have developed a more effective material for isolating waste in landfills. This material not only effectively isolates waste, but also prevents access by birds, rodents and insects, as well as stopping decay processes and the formation of harmful gases and odors.
The researchers used dry sludge obtained after purifying acidic mineral water and added a calcium reagent to it. This process converted acidic water into alkaline water and created a powder that could be used as an insulating material. This material prevents the penetration of oxygen and moisture and also provides durable insulation.
Additionally, when exposed to water in a landfill, household waste mixes with sludge and forms a hard coating that can be used in the construction of non-residential buildings and buildings. This solution not only helps prevent negative impacts on the environment, but also helps create additional opportunities for the use of landfills in the future.
Source: Ferra
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