Comparative Study of Cyanine Acid Dye Removal By ZnO and CuO Nanoparticles Decorated On Activated Carbon From Banana Peel

IF 3 4区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES

Water, Air, & Soil Pollution Pub Date : 2025-10-06 DOI:10.1007/s11270-025-08435-8

Ahmah Rafat, Saeedeh Hashemian, Masoud Reza Shishabor

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Abstract

Activated carbon from banana peel was prepared using calcination of banana peel as biomass at 600 ̊C (ACB). ZnO and CuO nanoparticles were synthesis and decorated on ACB, respectively. The prepared samples were characterized by FTIR, XRD, FESEM, EDX, TGA and BET methods. The results showed ZnO and CuO decorated on ACB have particle size of 45nm and 38 nm and surface area of 242 m² g⁻¹ and 325 m² g⁻¹, respectively. The produced samples were studied as sorbents for removal of cyanine acid blue dye (CAB) from aqueous solutions. The adsorption efficiency was examined by varying process parameters such as contact time, pH and mass of sorbents. Results showed the order of percent removal of CAB at contact time 60 min and pH 10 was as follow: ACB < ZnO < CuO < ZnO decorated on ACB < CuO decorated on ACB. CuO decorated on ACB with interconnected pores and band gap 1.42 eV demonstrated excellent adsorption activity for CAB. The kinetic study revealed the fitness of pseudo second order kinetic model for the absorption of CAB dye. Thermodynamic parameters presented endothermic and spontaneous adsorption of CAB onto sorbents. TOC analysis showed the mineralization of CAB dye was about 62%. This study presented cost effective synthesis and reusability of ZnO and CuO decorated on ACB that is highly effective for adsorption of CAB.

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活性炭修饰氧化锌和氧化铜纳米颗粒去除香蕉皮菁酸染料的比较研究

以香蕉皮为原料，在600℃（ACB）温度下煅烧制备活性炭。制备了ZnO和CuO纳米粒子，并分别在ACB上进行了修饰。采用FTIR、XRD、FESEM、EDX、TGA和BET等方法对制备的样品进行表征。结果表明，在ACB上修饰ZnO和CuO的粒径分别为45nm和38 nm，表面积分别为242 m2和325 m2 g−1。研究了所得样品作为吸附剂对水溶液中菁酸蓝染料（CAB）的去除效果。通过不同的工艺参数如接触时间、pH和吸附剂质量来考察吸附效率。结果表明，在接触时间60 min和pH值10条件下，对CAB的去除率为：ACB + lt； ZnO + lt; CuO + lt; ZnO + lt; CuO + ACB；CuO修饰在孔洞连通、带隙1.42 eV的ACB上，对CAB具有良好的吸附活性。动力学研究揭示了CAB染料吸附的准二级动力学模型的适用性。热力学参数表征了CAB在吸附剂上的吸热自发吸附。TOC分析表明，CAB染料的矿化率约为62%。本研究提出了在ACB上修饰氧化锌和氧化铜的低成本合成和可重复使用，并对CAB进行了高效吸附。

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来源期刊

Water, Air, & Soil Pollution 环境科学-环境科学

CiteScore

4.50

自引率

6.90%

发文量

448

审稿时长

2.6 months

期刊介绍： Water, Air, & Soil Pollution is an international, interdisciplinary journal on all aspects of pollution and solutions to pollution in the biosphere. This includes chemical, physical and biological processes affecting flora, fauna, water, air and soil in relation to environmental pollution. Because of its scope, the subject areas are diverse and include all aspects of pollution sources, transport, deposition, accumulation, acid precipitation, atmospheric pollution, metals, aquatic pollution including marine pollution and ground water, waste water, pesticides, soil pollution, sewage, sediment pollution, forestry pollution, effects of pollutants on humans, vegetation, fish, aquatic species, micro-organisms, and animals, environmental and molecular toxicology applied to pollution research, biosensors, global and climate change, ecological implications of pollution and pollution models. Water, Air, & Soil Pollution also publishes manuscripts on novel methods used in the study of environmental pollutants, environmental toxicology, environmental biology, novel environmental engineering related to pollution, biodiversity as influenced by pollution, novel environmental biotechnology as applied to pollution (e.g. bioremediation), environmental modelling and biorestoration of polluted environments. Articles should not be submitted that are of local interest only and do not advance international knowledge in environmental pollution and solutions to pollution. Articles that simply replicate known knowledge or techniques while researching a local pollution problem will normally be rejected without review. Submitted articles must have up-to-date references, employ the correct experimental replication and statistical analysis, where needed and contain a significant contribution to new knowledge. The publishing and editorial team sincerely appreciate your cooperation. Water, Air, & Soil Pollution publishes research papers; review articles; mini-reviews; and book reviews.