Biosynthesis of Daucus carota subsp. Sativus-based metal-doped ferric–biochar–bimetallic nanocomposites for dye extraction

IF 2.2 4区化学 Q2 Engineering

Chemical Papers Pub Date : 2024-12-13 DOI:10.1007/s11696-024-03845-0

Nimra Yasmeen, Ruba Munir, Gadah Albasher, Nageen Mushtaq, Fazila Younas, Muhammad Zahid, Tayyiba Aliyam, Saima Noreen

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Abstract

Industrial dyes represent a significant contributor to environmental pollution. This study emphasizes the removal of cationic dye employing batch experiments utilizing ferric–biochar–bimetallic nanocomposites prepared using a green synthesis approach. The innovation lies in the utilization of biochar extract derived from carrot waste materials as reducing agents to synthesize iron nanoparticles (Zn/nZVI, Ca/nZVI, Cu/nZVI, Ba/nZVI, and native). It was found that the optimum pH for reactive blue dye removal fell within the basic range, specifically at a range of 8, 9, and 10 at 0.05 g catalyst dosage, 90 min contact time, 65 °C temperature, and 150 mg/L initial dye concentration. The maximum adsorption capacities were calculated as follows: Zn (44.92984), Ca (33.9921), Cu (39.13628), Ba (30.86284), and native (42.43492). Langmuir biosorption isotherms provided the best fit for equilibrium biosorption data, while the pseudo-second-order model demonstrated reasonable fit for biosorption kinetic data. Various thermodynamic factors including enthalpy, free energy, and entropy were investigated to assess the suitability and fitness of the biosorption process. Furthermore, the impact of different electrolyte concentrations on the biosorption potential was examined. It was found that the biosorption ability of selected ferric–biochar–bimetallic nanocomposites for anionic dye was significantly reduced in the presence of surfactants/detergents.

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来源期刊

Chemical Papers Chemical Engineering-General Chemical Engineering

CiteScore

3.30

自引率

4.50%

发文量

590

期刊介绍： Chemical Papers is a peer-reviewed, international journal devoted to basic and applied chemical research. It has a broad scope covering the chemical sciences, but favors interdisciplinary research and studies that bring chemistry together with other disciplines.