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

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Geo-synthetics Definition

Raw Material

Function

Geo-synthetic

material

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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

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