Comparison biosorption of heavy metal ions from single and multi metal synthetic solution by living Pleurotus ostreatus

2012 IEEE Colloquium on Humanities, Science and Engineering (CHUSER) Pub Date : 2012-12-01 DOI:10.1109/CHUSER.2012.6504432

Arbanah Muhammad, Miradatul Najwa Muhd Rodhi, K. Hamid

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Abstract

The presence of heavy metals in the wastewater become a concern due to their toxicity effect to human health and environmental hazards. Conventional physical and chemical treatments are restricted because of their technical and economical constraints. One of the possible solutions is introducing biosorption method in heavy metals removal. The present study aim to evaluate the potential of Pleurotus ostreatus (P.ostreatus) fungus in the removal of Fe(II), Pb(II), Zn(II) and Cu(II) ions from single and multi metal synthetic solution. Throughout the study, the best operating treatment process were found when the pH of the solution was above 4 with 80.52, 45.20, 12.47 and 2.88% removal for Fe(II), Cu(II), Pb(II) and Zn(II); agitation speed of 150 rpm and temperature of 25°C. It was found that the removal of heavy metals is lower from single than multi metal solution. The biosorption preference order of P.ostreatus is Fe(II) > Cu(II) > Pb(II) > Zn(II). The results obtained validate that biosorption by P.ostreatus is a potential method in replacing conventional heavy metal removal and in the wastewater treatment.

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活体平菇对单、多金属合成液中重金属离子的生物吸附比较

由于重金属对人体健康和环境的毒性作用，废水中重金属的存在引起了人们的关注。传统的物理和化学处理由于技术和经济的限制而受到限制。其中一种可能的解决方案是引入生物吸附法去除重金属。本研究旨在评价平菇(Pleurotus ostreatus, P.ostreatus)真菌去除单金属和多金属合成溶液中Fe(II)、Pb(II)、Zn(II)和Cu(II)离子的潜力。研究结果表明，pH > 4时为最佳操作处理工艺，对Fe(II)、Cu(II)、Pb(II)、Zn(II)去除率分别为80.52%、45.20%、12.47%和2.88%;搅拌速度150转/分，温度25℃。结果表明，单金属溶液对重金属的去除率低于多金属溶液。P.ostreatus对Fe(II) > Cu(II) > Pb(II) > Zn(II)的生物吸附偏好顺序为:实验结果表明，平角假单胞菌的生物吸附是一种有潜力取代传统重金属去除方法和废水处理方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2012 IEEE Colloquium on Humanities, Science and Engineering (CHUSER)

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