HDPE Geomembrane for Industrial & Municipal Landfill Projects
HDPE Geomembrane, a high-performance synthetic material, is widely employed in landfills as a primary barrier against the leakage of harmful leachate. Its primary function is to create an impermeable layer beneath and around the waste, preventing the seepage of contaminated liquids into the soil and groundwater. This not only safeguards the environment but also mitigates potential health risks to the local community. The geomembrane's high-density polyethylene (HDPE) composition endows it with exceptional durability, allowing it to withstand the harsh conditions present in landfills, including exposure to chemicals, UV radiation, and temperature fluctuations. Additionally, its high tensile strength and flexibility enable it to adapt to the shifting and settling of waste materials over time. In modern landfills, HDPE Geomembrane is often used in conjunction with other geotechnical materials, such as geotextiles and clay liners, to form a multi-layered composite liner system that provides even greater protection against leakage.
Specification：
Width:3-8m.
Length:30-100m
Thickness:0.3mm-3.0mm
Technical Data:
Mechanical Properties | Properties | Unit | Product Specification | Test Frequency | |||||
Thickness | mm | 0.75 | 1.00 | 1.50 | 2.00 | 2.50 | 3.00 | Per roll | |
Density | g/cc | 0.94 | 90,000kg | ||||||
Tensile Properties yield strength break strength yield elongation break elongation | kN/mkN/m%% | 11 20 12 700 | 15 27 12 700 | 22 40 12 700 | 29 53 12 700 | 37 67 12 700 | 44 80 12 700 | 9,000kg | |
Tear Resistance | N | 93 | 125 | 187 | 249 | 311 | 374 | 20,000kg | |
Puncture Resistance | N | 240 | 320 | 480 | 640 | 800 | 960 | 20,000kg | |
Stress Crack Resistance | hr. | 500hr. | Per GRI GM-10 | ||||||
Carbon Black Content | % | 2.0-3.0% | 9,000kg | ||||||
Reference Properties | Oxidative Induction Time （a）Standard OIT （b）High Pressure OIT | min | 100min. 500min. | 90,000kg | |||||
Oven Aging at 85 Cretained after 90days （a）Standard OIT-％ （b）High Pressure OIT-％ | % | 55% 80% | per each formulation | ||||||
UV Resistance High Pressure OIT-%retained after1600hrs | % | 50% | per each formulation | ||||||
Melt Index，condition190°C／2.16kg | 0.20g/10min | ||||||||
Advantages :
Excellent Barrier Performance:
HDPE geomembrane boasts an extremely low permeability coefficient, effectively preventing the penetration of moisture, liquid waste, and other contaminants into the ground, thereby safeguarding groundwater resources.
Chemical Resistance and Durability:
It demonstrates robust resistance to a wide range of chemicals, including acids, alkalis, and salts, ensuring stable barrier performance over extended periods.
Its excellent weathering and UV resistance contribute to long-term durability, minimizing aging effects.
Economic Efficiency:
Although the initial investment cost may be relatively high, HDPE geomembrane offers a long service life and low maintenance costs.
It significantly reduces the potential for environmental remediation costs associated with leachate contamination, resulting in overall cost-effectiveness.
Flexibility and Ease of Installation:
HDPE geomembrane is lightweight, flexible, and easy to handle, facilitating installation and adapting to various terrains and complex environments.
This simplifies construction processes and lowers installation costs.
Safety and Environmental Protection:
Its superior barrier properties effectively prevent the leakage of leachate from landfills, mitigating the risk of groundwater contamination and protecting the surrounding ecosystem.
The material's stability ensures continuous and reliable protection over time, reducing safety hazards.
Recyclability:
HDPE geomembrane is recyclable, promoting environmental sustainability and resource conservation.
Compatibility with Other Materials:
It is often used in conjunction with other materials such as bentonite waterproof blankets to form composite barrier layers, enhancing overall seepage prevention effect and ensuring the long-term stability and safe operation of landfills.
Applications:
1. Industrial & Municipal Landfill Projects
Primary Liner System: HDPE Geomembrane serves as the primary barrier layer beneath the waste mass, preventing leachate migration into the surrounding soil and groundwater. It provides a durable and impermeable seal that can withstand the harsh conditions of landfills.
Final Cover System: It can also be used as a final cover layer, minimizing water infiltration and controlling gas emissions from the landfill. This helps in maintaining the stability of the landfill and reducing environmental impacts.
2. Wastewater Treatment Facilities
Lagoons and Ponds: HDPE Geomembrane is used to line lagoons and ponds where wastewater is stored or treated. It prevents seepage of contaminants into the environment, ensuring compliance with regulatory requirements.
Biosolids Management: In biosolids management facilities, HDPE Geomembrane is employed to line storage areas, preventing the escape of nutrients, pathogens, and other pollutants.
3. Mining and Tailings Dams
Tailings Storage Facilities: HDPE Geomembrane is essential in constructing tailings dams and ponds, where it provides a reliable barrier against the seepage of contaminated water from mining operations.
Containment Areas: It is also used to line containment areas for hazardous materials, ensuring their safe storage and preventing environmental contamination.
4. Environmental Remediation
Contaminated Soil and Groundwater: HDPE Geomembrane is utilized in environmental remediation projects, such as capping contaminated soil and lining groundwater remediation systems, to prevent further contamination spread.
Landfill Closure and Rehabilitation: During landfill closure and rehabilitation, HDPE Geomembrane is often used to create a final cover system, facilitating the revegetation of the site and restoring its ecological balance.
5. Infrastructure Projects
Canal and Reservoir Lining: HDPE Geomembrane is employed to line canals, reservoirs, and other water storage structures, preventing water loss through seepage and improving water quality.
Transportation Infrastructure: It is also used in transportation infrastructure projects, such as roadbeds and tunnel linings, providing waterproofing and stability to these structures.
Key Benefits Highlighted
Longevity and Durability: HDPE Geomembrane has a long service life, often exceeding 50 years, ensuring reliable barrier performance over extended periods.
Chemical Resistance: Its resistance to a wide range of chemicals, including acids, alkalis, and salts, ensures stable performance in harsh environments.
Flexibility and Adaptability: HDPE Geomembrane is lightweight, flexible, and easy to install, adapting to various terrains and complex environments.
Cost-Effectiveness: Although the initial investment may be higher, its long service life and low maintenance requirements contribute to overall cost savings in the long run.
Packaging:
Customer's company Logo mark can be added.
Packed in woven bags.
Q&A:
Q: What can you buy from us?
A: Geomembrane,Geogrid,Geocell, Geotextile, Geocomposite, and so on.
Q: Can I have a sample?
A: Yes. And sample free.
Q: What's the payment terms?
A: T/T or L/C. Others could be negotiated.
