Landfill Bentonite Waterproof Blanket
Sodium bentonite composite waterproof blanket is a new kind of geosynthetic material which can be specially used for anti-seepage in artificial lake water feature, landfills pond liner, underground garages, roof gardens, and pools. The high expansion of bentonite is filled in a special composite plastic flat silk geotextile and non-woven fabric, by needle punching to form many small fiber spaces, so that the bentonite particles cannot flow unidirectionally, and when encountering water it forms a uniform high-density gel-like waterproof layer to prevent leakage.
Waterproof
Sodium bentonite is a natural inorganic material that does not undergo aging reactions and has strong self-protection. In addition, it has high durability and can withstand the pressure of objects that come in contact with it. In addition, it can be easily repaired if it is damaged or cracked. This makes it an excellent choice for phosphogypsum slag landfills. It can prevent water penetration and protect groundwater resources from pollution.
Bentonite waterproof blankets are a geosynthetic material that is specially used for preventing leakage in artificial lake waterscapes, garbage landfill yards, underground garages, rooftop gardens and chemical storage yards in oil depots. The waterproofing blanket is filled with high-expansion sodium based bentonite between special composite earthwork and non-woven fabrics. The needle punching method creates many small fiber spaces, preventing bentonite particles from flowing in one direction. When they meet water, they form a rubber head water layer with uniform high density and can effectively prevent water leakage.
The bentonite waterproof blanket is made of two layers, the top layer is a geomembrane liner and the bottom is a bentonite compound integrally bonded to the lower geomembrane liner. The bentonite compound has a strong bond with the geomembrane and is extremely durable. It also has a high puncture strength and tensile strength. It can withstand the pressure of heavy vehicles and machinery. It is easy to install, and it can be installed on uneven terrain.
Anti-seepage
In landfills, bentonite waterproof blanket is a good cover material that can prevent seepage and protect the landfill soil. It is easy to install and can save construction time and money. It is also non-toxic and harmless to the environment. It is a better alternative to HDPE geomembranes and clay materials. Its waterproof performance is reliable and it can isolate the infiltration of leachate from the surrounding soil.
The bentonite waterproof blanket is made of a layer of sodium bentonite and a composite or non-woven geotextile. The bentonite is needle-punched through the geotextile and incorporated into it. The result is a strong mechanical bond between the fabrics. The needle-punched fibers are then treated by a special heat process to make them stronger and more permanent. This process is called the Thermal Lock process.
This bentonite swells when it encounters water and forms a thick, impermeable gel layer that is resistant to directional water pressure. This layer is designed to prevent water leakage, and it Landfill Bentonite Waterproof Blanket can be used alone or in combination with a geomembrane.
The swell pressure of bentonite is measured using an oedometer, which measures the displacement of the unit under a given load. The test results show that the final swell pressure decreases with increasing temperature for all compacted densities. The bentonite samples were air-dried and then compacted in triplicates at three different compaction densities, 1.5 Mg/m3, 1.75 Mg/m3, and 2.0 Mg/m3. The oedometer was used to measure the swelling pressure of each sample.
Anti-corrosion
Geosynthetic clay liners (GCL) are high-performance environmental reinforced composites with two durable geotextile outer layers and a uniform core of sodium bentonite. When hydrated under a confining load, the bentonite swells to form a geotextile filter cloth suppliers low-permeability waterproof layer that offers the equivalent hydraulic protection of several feet of compacted clay.
This new geosynthetic material has excellent anti-seepage and anti-corrosion properties. It is a cost-effective alternative to traditional landfill liner materials, such as high-density polyethylene and synthetic clay. Additionally, GCL is easier to construct and maintain than other waterproof materials. It is also easy to clean and is not affected by temperature changes.
Sodium based bentonite is an inorganic mineral that does not age or corrode, and it has strong self-water retention capability. This makes it ideal for use as a geosynthetic material. GCL can be used in a variety of applications, including landfills, waste water treatment plants, and chemical storage yards. It can also be used as an erosion control layer in construction projects.
Needle punched bentonite anti-seepage blanket has the advantage of preventing leakage in artificial lakes, landfills, underground garages, roof gardens, pools, oil depots and chemical storage yards. The needle punching method can form many small fiber spaces, so the bentonite cannot flow in one direction. When it meets water, it will stay in the pad and form a uniform high-density colloidal waterproof layer, so that it can prevent leakage effectively.
Environmentally friendly
Compared to other conventional waterproof materials, bentonite waterproof blankets are environmentally friendly and do not cause harm to the environment or human beings. Its high expansion properties can form a thick and dense waterproof layer, effectively preventing water infiltration. Furthermore, the material is easy to construct, requiring no special construction equipment or techniques.
Sodium bentonite is a natural mineral clay that has high swelling capacity, and it can create an impermeable barrier when it comes into contact with water. These features make bentonite waterproof blankets an excellent choice for landfill construction. The material is easy to transport and install, making it a cost-effective option for many different projects.
Geosynthetic clay liners (GCL) are factory-manufactured hydraulic barriers that incorporate bentonite, which swells when it encounters water. They are made from woven and non-woven geotextiles that are needle punched together and enclose a layer of bentonite. GCL is often used in landfills, mining and oilfields, and environmental protection applications.
It is important to choose the correct bentonite for your project. The wrong type of bentonite may not have the proper resistance and expansion characteristics. It is also vital to ensure the bentonite you are using has been thoroughly tested and approved for use in your project. A bentonite supplier should have a rigorous quality control system in place, including testing and inspection of raw materials.
