Lining Systems Applications

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  • Category: Water & Wastewater ×

  • Subcategory: Lining Systems ×

Geosynthetic Lining for Mining Industry

by CETCO     based in Hoffman Estates, ILLINOIS (USA)

Geosynthetics are used in construction of various components of modern mining facilities, including process solution ponds, heap leach pads, stormwater containment, wastewater treatment ponds and closures. Harsh environmental conditions provide a challenge to engineers designing the projects. In addition, increasing environmental and cost pressures are requiring lining systems to achieve greater performance levels than ever. GCLs are rapidly becoming a desired component of mining liner systems because of the benefits they provide in cost effective construction, environmental compliance and process solution leak reduction. In weather-sensitive remote or high-altitude locations, GCLs offer far greater installation efficiencies than compacted clay.

Water Containment

by Manas Geo Tech India Pvt. Ltd.     based in New Delhi, INDIA

Polymeric liners are prone to puncture by inclusions within the underlying soil. Thick, non-woven geotextile can be used to give protection to liners during installation. Often the upper slopes are exposed to damage and it is a good practice to cover these areas with a depth of soil which will sustain vegetation. Alternatively, a stone or concrete substance can be used to achieve a hard landscaped appearance. Our product will protect the liner from puncture whilst also providing a degree of slope stability.

Geosynthetic Lining for Highway and Civil Applications

by CETCO     based in Hoffman Estates, ILLINOIS (USA)

GCL can be used in highway and civil applications such as at airport de-icing facilities used to remove ice build up on the surfaces of planes. During the application process, glycol-based de-icing fluids can leak into local stormwater runoff, potentially causing pollution. CETCO GCLs were found compatible with de-icing fluid (glycol diluted 50/50 with water). GCLs can also be used to line roadway drainage swales for containment and prevent excessive percolation, thereby minimizing potential for groundwater contamination. Another example of using GCL in civil and highway applications is using the liner to contain acid rock and prevent runoff from entering the local water supply.

PEHD membrane sealing systems for landfill surface liners

by ELD Environmental Leak Detection GmbH     based in Berlin, GERMANY

Unlike base liners, surface liners are not buried at some point under many metres of waste and instead are usually protected over the course of many years only by a 1-metre thick mineral layer. As a result, there can be uncertainty about the integrity of their leak-proofing characteristics, particularly if the land is subsequently used for other purposes; however, at the same time, repairs are also possible at reasonable cost if the location of any damage can be established.

Ultraviolet Disinfection for Marine & Shipping

by atg UV Technology     based in Wigan, UNITED KINGDOM

atg UV Technology are market leaders in the offshore and marine industry and have supplied Ultraviolet disinfection systems to a number of key clients in a range of marine applications including cruise liners, luxury pleasure craft and transport freighters around the world. Our leading UV systems are compact in design, allowing for ease of installation into restricted spaces, and provide protection against microorganisms, bacteria, and viruses without the use of chemicals. This leads to an environmentally friendly solution to the challenges faced by marine engineers worldwide. Applications include: - Waste Water Discharges Ballast Water Drinking Water Swimming Pools Process Water

Landfill lining

by CETCO     based in Hoffman Estates, ILLINOIS (USA)

GCLs have become the gold standard clay component of composite lining systems used in industrial, hazardous and municipal solid waste landfills. Used alone or in combination with a geomembrane in a composite cover system, GCLs provide significantly lower permeability, improved ease of installation, an increased amount of usable space. In many cases GCLs are more cost-effective than traditional compacted clay liners. GCLs are also not subject to deterioration from differential settlement and freeze-thaw cycles, which can damage traditional compacted clay liners. Important design considerations for GCLs in landfill caps include confining pressure, and potential for ion exchange and desiccation.

PEHD membrane sealing systems for storage areas

by ELD Environmental Leak Detection GmbH     based in Berlin, GERMANY

Areas used to store substances which could represent a hazard if they escape into groundwater must also be leakproof in case accidents occur.

PEHD membrane sealing systems for landfill base liners

by ELD Environmental Leak Detection GmbH     based in Berlin, GERMANY

There are several phases of preparation of landfill base liners, starting with the positioning of the membrane, until these can be covered with several metres of refuse. These membranes may be damaged during preparation, but can also be inspected and repaired. It is advisable to undertake inspections at regular intervals.

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