蚯蚓堆肥作为一种潜在的吸附剂从水溶液中吸附亚甲基蓝染料

Q3 Chemistry

Journal of the Turkish Chemical Society, Section A: Chemistry Pub Date : 2020-10-30 DOI:10.18596/jotcsa.784357

Z. Ciğeroğlu, Eyup Yildirir

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引用次数: 4

摘要

摘要：采用Vermicompost（VC）作为一种低成本、低废弃物的吸附剂，对废水中的纺织染料废水进行了吸附处理。以亚甲基蓝（MB）为代表，研究了其对VC的吸附性能。通过实验室规模的分批实验确定了pH、吸附时间和MB初始浓度等参数的影响。当溶液的pH为4时，VC的吸附容量达到最高。操作90分钟后保持平衡，因为MB的去除率稳定在99%。拟二阶动力学模型描述了最合适的吸附动力学行为。Langmuir（R2＝0.9891）和Freundlich等温线（R2＝0.9 895）均与实验数据拟合良好。基于这些结果，蚯蚓堆肥可以被评估为去除染料废水的替代吸附剂。

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VERMICOMPOST AS A POTENTIAL ADSORBENT FOR THE ADSORPTION OF METHYLENEBLUE DYE FROM AQUEOUS SOULUTIONS

Abstract: Vermicompost (VC) as a low cost and waste-derived material was used as an adsorbent to remove textile dye effluents from the wastewater. Methylene blue (MB) was selected as a representative of dye effluents and its adsorption to VC was investigated. The effect of parameters such as pH, adsorption time, and the initial concentration of MB were determined via lab-scale batch experiments. The highest adsorption capacity of VC was reached when the pH of the solution was 4. The equilibrium was maintained after 90 minutes of operation since the removal percentage of MB was stabilized at 99%. The pseudo-second-order kinetic model described the most appropriate adsorption kinetic behavior. Both Langmuir (R 2 =0.9891) and Freundlich isotherms (R 2 =0.9895) fitted very well to the experimental data. Based on these results, vermicompost can be evaluated as an alternative adsorbent for the removal of dye effluents.

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来源期刊

Journal of the Turkish Chemical Society, Section A: Chemistry Chemistry-Chemistry (all)

CiteScore

1.60

自引率

0.00%

发文量

审稿时长

5 weeks