Use of Geo Synthetic Clay Liners in Waste Landfills By Srujani Shrawne Third Year, Department of Environmental Engineering Kolhapur Institute of Technology’s College of Engineering, Kolhapur
Use of geo synthetic clay liners in waste
Jul 18, 2015
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Use of Geo Synthetic
Clay Liners in Waste
LandfillsBy
Srujani Shrawne
Third Year, Department of Environmental
Engineering
Kolhapur Institute of Technology’s College of
Engineering, Kolhapur
Land filling issue
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Waste
Leachate
Rainfall
Leakage
Groundwater
Gas
Cover System
Lining System
Traditional &
Geo-
synthetic
13/10/2014 Srujani Shrawne 3
Geo-synthetics Definition
Raw Material
Function
Geo-synthetic
material
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13/10/2014 Srujani Shrawne 5
Structures of some Geo-synthetic
Materials
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Geo-
synthetic
Clay
Liners
• Definition
• Terminolog
y
• Classificati
on
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Manufacturingo. Raw Material o. Manufacturing
o. Covering of the Rolls o. Handling
-Storage at the
manufacturing site
-Shipment
-Storage at the site
-Acceptance and
Confirmation Testing
o. Installation o. Backfilling or
Covering
-Placement
-Joining 13/10/2014 8Srujani Shrawne
Structure
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Bonding
Internal Structure
Performance standards-
40CFR part 258 SUBPART A — General
SUBPART B — Location Restrictions
SUBPART C — Operating Criteria
SUBPART D — Design Criteria
SUBPART E — Ground-Water Monitoring and Corrective Action
SUBPART F — Closure and Post-Closure Care
SUBPART G — Financial Assurance Criteria 13/10/2014 10Srujani Shrawne
Self Repairing
The sealing material bentonitein geo-synthetic clay liners
Ion exchange in bentonites
Comparison of the permeability behaviour of a primary calcium bentonite and an ion-exchanged
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Arrangement of montmorillonite in a
pulverized natural sodium bentonite in
a GCL (electron scan
microscope picture, 1cm=2mm).
Conclusion
The seepage of the waste in to
the ground by action of leaching
is a very big problem. To tackle
this problem of ground water
pollution use of Geo-synthetic
Clay Liners (GCL) is necessary.
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Thank you
13/10/2014 13Srujani Shrawne
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