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"The Application and Effect of Bentonite Waterproofing Blanket in Domestic Waste Landfills: A Case Study of Haoyang Environmental Co., Ltd.'s Jingbian County Project"
The hazards of domestic waste landfills mainly include the following aspects:
1. Occupation of land resources: domestic wasteLandfill sites require a large amount of land resources, and if the site is not properly selected, it can cause waste and pollution to land resources.
2. Pollution of groundwater: The leachate from domestic waste landfills can seep into the ground and cause serious pollution to groundwater. These pollutants include heavy metals, harmful chemicals, and harmful microorganisms.
3. Producing odorous gases: domestic waste Landfills produce large amounts of odorous gases such as methane and hydrogen sulfide, which not only pollute the environment, but also may cause safety accidents such as explosions and fires.
4. Destruction of the ecological environment: The construction and operation of domestic waste landfills can cause damage to the surrounding ecological environment, such as destroying vegetation and affecting wildlife habitats.
5. Impact on human health: Pollutants and odorous gases from domestic waste landfills may affect the health of surrounding residents and workers, such as causing respiratory diseases and skin allergies.
Therefore, in order to reduce the harm of domestic waste landfills, effective measures need to be taken for management and governance, such as strengthening garbage classification and recycling, promoting garbage incineration technology, strengthening environmental monitoring and safety management of landfills. At the same time, for existing landfills, scientific and reasonable governance and restoration are needed to minimize their impact on the environment and human health. Therefore, we need some environmentally friendly and durable materials such as bentonite waterproof blanket, filament geotextile, HDPE geomembrane, composite drainage network, etc. Today, we focus on the purpose of bentonite waterproof blanket in landfills.
The purpose of bentonite waterproof blanket in domestic waste landfills mainly includes the following points:
1. Waterproofing: Bentonite waterproofing blanket can effectively prevent harmful substances in garbage from seeping into groundwater or surrounding waters, thus protecting the quality of groundwater and surface water.
2. Barrier effect: Waste in landfills releases various harmful substances such as heavy metals and harmful chemicals. Bentonite waterproof blanket can act as a barrier to isolate these harmful substances from groundwater or the surrounding environment, reducing the harm to the environment and human health.
3. Improve stability: Bentonite waterproof blanket can prevent loose garbage, thereby reducing instability issues such as landslides and ground subsidence, and improving the stability and safety of domestic waste landfills.
4. Flexibility and customizability: Bentonite waterproofing blanket can be designed with different permeability according to different engineering requirements, which is very flexible and applicable to various environments. At the same time, it can also be replaced according to needs, which is convenient for repair and maintenance.
5. Environmental protection: The raw materials of the bentonite waterproof blanket are natural bentonite and a small amount of polymer materials, which are harmless to the environment and meet environmental protection requirements.
In summary, the purpose of bentonite waterproofing blanket in domestic waste landfills is very important, which can effectively reduce the harm of domestic waste landfills to the environment and human health, and improve the stability and safety of landfills.
Here is a practical case of the garbage landfill site of Haoyang Environmental Co., Ltd：
（Jingbian County Urban Domestic Waste Landfill Phase I Project）
The first phase of the Jingbian County Urban Domestic Waste Landfill covers an area of 62,476 square meters (approximately 93.7 acres), with a storage capacity of 104.0 cubic meters in the landfill area, an effective storage capacity of 1.029 million cubic meters, a landfill capacity of 300 tons per day, and a design service life of 10 years.
The landfill site adopts sanitary landfill technology to improve the environmental conditions of the original garbage dump site, making the residential area beautiful and clean, saving a lot of land, and improving the space utilization factor. At the same time, the project adopts artificial horizontal seepage prevention, and the bottom seepage prevention project of the reservoir area adopts a composite lining seepage prevention system, using polyester filament spunbond needle punched geotextile layer + HDPE artificial seepage prevention layer + GCL bentonite waterproof blanket + composite drainage network + compacted soil for seepage prevention, which can avoid the pollution of leachate to the surrounding surface water, groundwater and soil, reduce the damage to human health, save the cost of pollution control, reduce the economic loss caused by pollution, improve the satisfaction level of residents, and have good environmental and economic benefits.
The project covers an area of about 60,000 square meters. The seepage prevention project in the reservoir area is constructed by our company. It uses a composite lining and utilizes the three-dimensional composite drainage network produced by our company to guide, drain, and collect leachate, effectively avoiding pollution to surface water, groundwater, and soil.
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