Application of Environmental Friendly Bio-adsorbent based on a Plant Root for Copper Recovery Compared to the Synthetic Resin

K. Shilpa, K. Manis, K. Pankaj, Parween Rukshana, P. Rekha, K. Pramod, Jae-chun Lee
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Abstract

Copper is one of the non-ferrous metals used in the electrical/electronic manufacturing industries due to its superior properties particularly the high conductivity and less resistivity. The effluent generated from the surface finishing process of these industries contains higher copper content which gets discharged in to water bodies directly or indirectly. This causes severe environmental pollution and also results in loss of an important valuable metal. To overcome this issue, continuous R & D activities are going on across the globe in adsorption area with the purpose of finding an efficient, low cost and ecofriendly adsorbent. In view of the above, present investigation was made to compare the performance of a plant root (Datura root powder) as a bio-adsorbent to that of the synthetic one (Tulsion T-42) for copper adsorption from such effluent. Experiments were carried out in batch studies to optimize parameters such as adsorbent dose, contact time, pH, feed concentration, etc. adsorbent for copper recovery after the necessary scale-up studies.
植物根基环境友好型生物吸附剂在铜回收中的应用与合成树脂的比较
铜是用于电气/电子制造业的有色金属之一,因为它具有优异的性能,特别是高导电性和低电阻率。这些工业的表面处理过程产生的废水含有较高的铜含量,直接或间接地排放到水体中。这造成了严重的环境污染,也导致了一种重要贵重金属的损失。为了克服这一问题,全球吸附领域正在进行持续的研发活动,目的是寻找一种高效、低成本和环保的吸附剂。鉴于此,本研究比较了植物根(曼陀罗根粉)作为生物吸附剂与合成根(Tulsion T-42)对废水中铜的吸附性能。在进行必要的放大实验后,对吸附剂剂量、接触时间、pH、进料浓度等参数进行了优化。
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