Landfill membrane, also knwon as landfill geomembrane, is the geomembrane liner used in the landfill liner system. The landfill membrane is often made of HDPE (high density polyethylene) material and thicker than 1mm or 40 mils that is flexibile, durable and ability to withstand temperature changes, and high resistance to many contaminants.
As the geomembrane manufactuer and supplier, BPM Geosynthetics offers high quality landfill HDPE geomembrane in custom thickness and sizes at competitive facrory price.
1. What Is Landfill Membrane?
A landfill membrane, also known as a geomembrane or a liner, is a synthetic barrier used in landfill construction to prevent the leakage or migration of contaminants from the landfill into the surrounding environment. It acts as a protective layer between the waste materials and the underlying soil or groundwater.
Landfill membranes are typically made of high-density polyethylene (HDPE) or other durable and impermeable materials. They are installed as a lining system within the landfill to create a barrier that minimizes the potential for pollution.
Landfill membrane is to used to prevent the leachate, which is a liquid produced by the decomposition of waste, from seeping into the soil or groundwater. It also helps to control the dispersion of gases, such as methane, which are generated by the decomposition process.
Landfill membrane is an essential measure in modern landfill design and construction to minimize environmental impacts and protect human health by containing and managing waste effectively.
BPM landfill membrane is flexible, lightweight, able to withstand temperature changes, and have a high resistance to many contaminants. Our special engineered landfill membrane is light enough to be installed on steep slopes, BPM landfill membrane set the industry standard for geomembrane strength, durability, and performance in tough pulverized coal project.
2. What The Advantages Of BPM Landfill Membrane?
BPM landfill membranes provide effective containment and anti-seepage properties, making them suitable for use in harsh climates, complex soil conditions, and applications such as heap immersion tanks, tailings dams, and anti-seepage systems. They offer chemical resistance, durability, and reliability, contributing to better economic benefits and ecological protection in mining and industrial settings. It has the following advantages:
2.1 Good chemical resistance
BPM landfill membranes have excellent resistance to a wide range of chemicals, making them suitable for containing and protecting against chemically corrosive substances commonly found in industrial and mining applications.
2.2 Durability and toughness
These membranes are designed to be durable and tough, capable of withstanding punctures, tears, and other physical stresses that may occur during installation or in the operational phase.
2.3 UV resistance
BPM landfill membranes have good UV resistance, which means they can withstand prolonged exposure to sunlight without significant degradation or damage.
2.4 High puncture resistance
The membranes are engineered to have high puncture resistance, providing enhanced protection against sharp objects or abrasive materials that could potentially penetrate the liner.
2.5 Excellent welding capabilities
BPM landfill membranes can be field welded using hot wedge welders and extrusion welders, ensuring strong and reliable seams that are often stronger than the sheet itself. This facilitates efficient installation and reduces the risk of leaks or failures.
2.6 Cost-effective UV stability
BPM landfill membranes are UV stable, eliminating the need for additional covering materials. This reduces the overall cost of the installation and maintenance.
2.7 Various thickness options
The membranes are available in varying thicknesses, ranging from 20 to 120 mil, allowing for customization based on specific project requirements.
3. What Kind of Membrane Is Best For Landfills?
The HDPE (High-Density Polyethylene) gmembrane is widely regarded as the top choice for landfill liner systems due to its outstanding flexibility, durability, and resistance to temperature changes and various contaminants.
With over 15 years of industrial experience, manufacturers emphasize the importance of a 40 mils (0.04 inches or 1mm) thickness for landfill membranes. This thickness ensures an exceptionally low permeability level, minimizing the risk of seepage, while also providing enhanced puncture resistance. By utilizing HDPE membranes of this thickness, landfill operators can effectively contain waste materials and safeguard the environment. The HDPE membrane’s ability to withstand harsh conditions and its resilience make it the preferred option for ensuring reliable long-term performance in landfill applications.
4. Case Study of Landfill Membrane for Pulverized Coal Project In Columbia
In Columbia, a customer embarked on a coal mining project and sought an environmentally friendly solution to manage the substantial volume of extracted coal. The primary site, spanning approximately 454,500 square feet (42,224 square meters), required protection against the infiltration of toxic chemicals from the coal and its by-products into the soil.
With an estimated service life of ten years, the project faced complex environmental conditions due to the mine’s unique location. Northern Columbia experiences scorching summer temperatures of up to 95°F (35°C) and frigid winter temperatures dropping below -60°F (-51°C). Additionally, heavy snowfall can accumulate up to 120 inches (300 cm), posing construction challenges.
The BPM team devised a meticulous construction plan. The process commenced with preparing a smooth roadbed, followed by the placement of a 450 gsm non-woven geotextile as the initial layer. The second layer consisted of a landfill liner system, comprising a 1mm HDPE geomembrane, installed using professional welding techniques. Finally, an 18-inch (46 cm) layer of soil was applied. The HDPE geomembrane was chosen for its exceptional physical properties, minimal cold crack occurrence, and expedited installation process.
BPM’s seasoned construction team effectively reduced the construction timeline, resulting in significant cost savings for the customer. By expediting the installation prior to the anticipated September snowfall in North Columbia, the risk of prolonged weather-related delays was mitigated. The customer expressed satisfaction with the outcome and expressed a desire for a long-term partnership with BPM.
Key Details:
- Total landfill geomembrane quantity: 454,500m2
- Roll size: 7m × 50m
- Thickness: 1.5mm
5. About BPM Geosynthetics
BPM have provided many types of effective and state of the art geomembrane, geotextile and geosynthetics products to over 81 countries. Our main innovative, high quality geosynthetics products include geomembrane, geotextiles, geocell, geosynthetic clay liners (GCLs), drainage boards, geogrids, etc. BPM brand high quality geosynthetic products had been certificated by the ISO9001, ISO14001,OHSAS18001 Soncap, SASO and BV, SGS and Intertek, etc.
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