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Geomembrane Liners – The Ultimate Solution for Tailings Management

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Geomembrane Liners – The Ultimate Solution for Tailings Management

Brand Name : HDPE Smooth Geomembrane

Model Number : 0.3-3.0mm

Certification : ISO19001&CE

Place of Origin : China

MOQ : 350㎡

Price : Inquiry anytime

Payment Terms : T/T

Supply Ability : 1200T/Month

Delivery Time : 7-15Days

Packaging Details : Plastic sealing and wrapping tape

Application : Landfill, Mining(Various heavy metals)

Chemical Resistance : Acid and alkali resistant

Material : High Density Polyethylene (HDPE)

Color : Black, Green, Custom

Installation Method : Hot Wedge Welding

Surface : Smooth

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Introduction to Geomembranes

Geomembranes are high-performance, impermeable synthetic liners designed to provide secure containment for industrial and environmental applications. Made from durable polymers like HDPE, LLDPE, and PVC, they offer superior chemical resistance, puncture resistance, and long-term durability—making them ideal for tailings storage facilities (TSFs) in mining operations.


Why Geomembranes Are Essential for Tailings Management

1. Prevent Leachate Contamination

Impermeable Barrier – Blocks harmful chemicals, heavy metals, and acidic leachates from seeping into groundwater.
Environmental Compliance – Meets EPA, ICMM, and global mining regulations for safe tailings disposal.

2. Enhance Structural Stability

Prevents Erosion & Slope Failure – Reinforces tailings dams and storage ponds.
Reduces Water Infiltration – Minimizes the risk of liquefaction and dam breaches.

3. Improve Water Recovery & Recycling

Lined Collection Systems – Allow for efficient water recovery from tailings.
Reduces Freshwater Consumption – Supports sustainable mining practices.

4. Long-Term Cost Savings

Lower Maintenance – Resists UV degradation, chemical corrosion, and punctures.
Extends Facility Lifespan – 30+ years of reliable performance with proper installation.


Geomembrane vs. Traditional Clay Liners

Feature Geomembrane Clay Liner
Permeability Nearly Zero (10⁻¹⁵ m/s) Higher (10⁻⁷–10⁻⁹ m/s)
Installation Speed Fast (Prefabricated rolls) Slow (Requires compaction)
Chemical Resistance Excellent (HDPE resists acids, alkalis) Poor (Erodes with acidic tailings)
Thickness Options 0.5mm – 3.0mm (Customizable) Fixed (Requires thick layers)
Lifespan 30+ Years (UV-stabilized) 10-20 Years (Degrades faster)

Recommended Geomembranes for Tailings Storage

1. HDPE Geomembrane (High-Density Polyethylene)

Best for: Highly acidic/alkaline tailings
Thickness: 1.5mm – 2.5mm
Advantages: Extreme chemical resistance, high tensile strength

2. LLDPE Geomembrane (Linear Low-Density Polyethylene)

Best for: Flexible, conformable lining in uneven terrain
Thickness: 1.0mm – 2.0mm
Advantages: Superior elongation, stress crack resistance

3. PVC Geomembrane (Polyvinyl Chloride)

Best for: Temporary tailings ponds & cost-sensitive projects
Thickness: 0.5mm – 1.5mm
Advantages: Easy welding, good puncture resistance



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