Mycofiltration of Heavy Metals (Pb, Cd, Hg) from Aqueous Solution by Living Biomass of Two Mushrooms Pleurotus ostreatus and Agaricus bisporus as Biosorbents

IF 0.5 4区 化学 Q4 CHEMISTRY, ANALYTICAL
Ayesha Sarwar, Brian Gagosh Nayyar, Humayun Irshad, Pervez Anwar, Noshaba Olihk, Maryam Ajmal
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引用次数: 0

Abstract

Industrial effluents have caused water bodies to suffer from accumulation of heavy metals such as cadmium (Cd), lead (Pb), and mercury (Hg). This study focuses on determination of the potential use of mycofiltration in the removal of heavy metals, the effect of contact time, and the efficiency of mushroom species in mycofiltration from an artificial wet pond. In search of effective biosorbents, mycofilters were developed by adding spawns of P. ostreatus and A. bisporus, which were left for incubation and then installed in synthetic ponds for a certain period. Thereafter, mushrooms were harvested, post treated and their biosorption rate was analyzed through atomic absorption spectrophotometer. Significant differences were evaluated in the biosorption rate of mycofilters of P. ostreatus and A. bisporus. A dependent relationship was also established between biosorption and the temperature, namely, an increase in biosorption with an increase in temperature. The comparison of all results for the two species revealed that P. ostreatus showed superiority in the biosorption capacity for Pb 9–189 mg g–1 and Cd 1–21.4 mg g–1 over A. bisporus. However, A. bisporus has shown significant results in the case of Hg 0.6–10 mg g–1 absorption. Overall, in this study, P. ostreatus demonstrated the highest range in biosorption efficiency for metals Pb 99–100% and Cd 97–100% as compared to A. bisporus. At the same time, A. bisporus showed a slightly higher level of removal efficiency in the case of Hg 85–100%. Considering these findings, industrialists may use this cheap and ecofriendly treatment technology for the uptake of heavy metals.

Abstract Image

两种蘑菇平菇和双孢蘑菇生物量作为生物吸附剂对水溶液中重金属(Pb、Cd、Hg)的菌体过滤
工业废水使水体遭受镉(Cd)、铅(Pb)和汞(Hg)等重金属的积累。本研究的重点是确定真菌过滤在去除重金属方面的潜在用途,接触时间的影响,以及真菌过滤在人工湿池中的效率。为了寻找有效的生物吸附剂,通过添加P. ostreatus和a . bisporus的产卵,将其孵育,然后在合成池中放置一段时间,开发了真菌过滤器。采集蘑菇,处理后用原子吸收分光光度计测定其生物吸收率。结果表明,双孢菇和假单胞菌的生物吸附率存在显著差异。生物吸附性与温度之间也建立了依赖关系,即随着温度的升高,生物吸附性增加。结果表明,双孢霉对Pb 9 ~ 189 mg g-1和Cd 1 ~ 21.4 mg g-1的吸附能力优于双孢霉。然而,双孢霉在Hg 0.6-10 mg g-1的吸收情况下显示出显著的结果。总体而言,在本研究中,P. ostreatus对金属Pb(99% ~ 100%)和Cd(97% ~ 100%)的生物吸附效率均高于A. bisporus。同时,双孢霉对Hg的去除率在85 ~ 100%时略高。考虑到这些发现,实业家可能会使用这种廉价和环保的处理技术来吸收重金属。
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来源期刊
Journal of Water Chemistry and Technology
Journal of Water Chemistry and Technology CHEMISTRY, APPLIED-CHEMISTRY, ANALYTICAL
自引率
0.00%
发文量
51
审稿时长
>12 weeks
期刊介绍: Journal of Water Chemistry and Technology focuses on water and wastewater treatment, water pollution monitoring, water purification, and similar topics. The journal publishes original scientific theoretical and experimental articles in the following sections: new developments in the science of water; theoretical principles of water treatment and technology; physical chemistry of water treatment processes; analytical water chemistry; analysis of natural and waste waters; water treatment technology and demineralization of water; biological methods of water treatment; and also solicited critical reviews summarizing the latest findings. The journal welcomes manuscripts from all countries in the English or Ukrainian language. All manuscripts are peer-reviewed.
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