Why is it important to use geomembranes in landfills? What are the reasons?
Release Time:
2024-01-05
An important issue for landfills is the pollution control of leachate. After the landfill begins, due to the inflow of rainwater and surface water, as well as the decomposition of the garbage itself produces a large amount of sewage, which is what we call leachate, a liquid with a high content of pollutants, a complex composition, and a fast rate of infiltration into the ground, which can lead to serious pollution of groundwater for up to a hundred years.
In this case, the geomembrane as the most important barrier in the seepage control system, it is particularly important. Imported geomembrane imported resin raw materials, imported production lines and rigorous quality control is the seepage barrier solid and reliable prerequisites. So at present our country quite a lot of new construction, including because of the use of domestic provide membrane lead to seepage layer cracking and need to refurbish the landfill, are required to use imported, for example, such as the imported geomembrane products like soma.
Landfill after a period of time, because of the increase in garbage will breed a lot of flies and bacteria, while the odor emitted by the garbage will also affect the surrounding environment, so the landfill every once in a while is necessary to carry out the closure of the landfill, impermeable geomembrane as a landfill closure of the main material has its unique advantages.
First of all, geomembrane as the landfill closure membrane has a high degree of airtightness, because the geomembrane is made of high-density polyethylene particles, the product itself has a high degree of impermeability and impermeability, which can effectively block the breeding of flies and bacteria, and at the same time can also ensure that the landfill in the garbage odor does not spread outward.
Secondly, geomembrane as a landfill closure membrane has high impermeability, geomembrane laid on top of the garbage not only blocks the breeding of flies and bacteria, the spread of garbage odor, but also blocks the seepage of external rainwater, dew and other moisture, to prevent the pollution of groundwater.
Finally, geomembrane as a landfill closure membrane has a high service life, geomembrane itself is not easy to decompose if buried in the ground to use its life of up to 50 years or more, even if it is exposed to the external use of its life of up to 5 years or more.
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