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首页> 外文期刊>International journal of geotechnical engineering >Comparative performance of clay and geosynthetic clay liner for attenuation of chromium leachate
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Comparative performance of clay and geosynthetic clay liner for attenuation of chromium leachate

机译：粘土和土工合成粘土衬里对渗滤液铬衰减的比较性能

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The paper presents a comparative study on the performance of a compacted clay liner (CCL) and geosynthetic clay liner (GCL) in a chrome laden waste disposal site for managing integrated tannery waste treatment. A laboratory scale model setup was used after collecting the soil from the site and with GCL placed over the soil for carrying out the present investigation. Electrical resistivity test was also conducted at and far from the site for qualitative assessment of total dissolve solids (TDS) present. Prototype field test was conducted with CCL & GCL for finding out their potential to contain the movement of Cr~(6+) ions which was found in the sludge. TDS in the leaching effluent within the periphery of the plant complex was found less in the migrating leachate found far away from the complex. GCL was found to be a better liner material compared to CCL for impeding the Cr~(6+) ions in that case.
机译：本文介绍了在含铬废物处置场中用于管理综合制革厂废物处理的压实粘土衬里（CCL）和土工合成粘土衬里（GCL）的性能的比较研究。在从现场收集土壤并在土壤上放置GCL进行本研究后，使用实验室规模的模型设置。在现场和远离现场的地方也进行了电阻率测试，以对存在的总溶解固体（TDS）进行定性评估。用CCL和GCL进行了原型现场测试，以发现它们可能包含在污泥中发现的Cr〜（6+）离子的运动。在远离植物复合体的迁移渗滤液中，发现植物复合体外围的淋洗液中的TDS较少。在这种情况下，发现与GCL相比，GCL是更好的衬垫材料，可阻止Cr〜（6+）离子。

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