Evaluation of Photocatalytic and Catalytic Activity of Biochar/Nickel for Laboratory Wastewater Treatment

Is Fatimah, Solekah, Nunung Nurlaela, Zeeshan Ahmad, Indah Tri Rizky, Azlan Kamari, Suresh Sagadevan, Ruey-an Doong

Abstract

In this investigation, an exploration on the use of low-cost effective methods for laboratory wastewater treatment using magnetic biochar has been conducted. Magnetic biochar derived from orange peel waste loaded with nickel nanoparticles (Biochar/Ni) was prepared by pyrolysis procedure of orange peel waste with nickel chloride as nickel precursor at 600 oC for 2 h. X-ray diffraction (XRD), scanning electron microscopy-energy dispersive x-ray (SEM-EDX), Raman spectroscopy, and vibrating sample magnetometer (VSM) were employed for identify the feature of Biochar/Ni. Photocatalytic, photocatalytic oxidation, and microwave-assisted catalytic peroxidation were the treatment procedures employed to evaluate the activity of Biochar/Ni. The results showed the dispersed nickel nanoparticles in the composite are photocatalytic system to produce radicals for decolorizing laboratory wastewater as proven by accelerated oxidation by the addition of H2O2 and S2O82- as oxidants, and inhibition by the addition of radicals and superoxide radical scavengers. In addition, microwave-irradiation intensified catalytic peroxidation with shorter time and higher decolorization efficiency. The greenness evaluation of the process using AGREE software addressed the microwave-assisted catalytic peroxidation as the most efficient procedure utilizing Biochar/Ni for being developed and implemented to organic contaminated wastewater.

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Authors

Is Fatimah
isfatimah@uii.ac.id (Primary Contact)
Solekah
Nunung Nurlaela
Zeeshan Ahmad
Indah Tri Rizky
Azlan Kamari
Suresh Sagadevan
Ruey-an Doong
Author Biographies

Is Fatimah, Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Kampus Terpadu UII, Sleman, Yogyakarta, 55584, Indonesia

1Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Kampus Terpadu UII, Sleman, Yogyakarta, 55584, Indonesia

2Nanotechnology and Sustainable Chemistry Research Centre, Universitas Islam Indonesia, Laboratorium Kimia, Kampus Terpadu UII, Sleman, Yogyakarta 55584, Indonesia

Solekah, Nanotechnology and Sustainable Chemistry Research Centre, Universitas Islam Indonesia, Laboratorium Kimia, Kampus Terpadu UII, Sleman, Yogyakarta 55584, Indonesia

1Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Kampus Terpadu UII, Sleman, Yogyakarta, 55584, Indonesia

2Nanotechnology and Sustainable Chemistry Research Centre, Universitas Islam Indonesia, Laboratorium Kimia, Kampus Terpadu UII, Sleman, Yogyakarta 55584, Indonesia

Nunung Nurlaela, Nanotechnology and Sustainable Chemistry Research Centre, Universitas Islam Indonesia, Laboratorium Kimia, Kampus Terpadu UII, Sleman, Yogyakarta 55584, Indonesia

1Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Kampus Terpadu UII, Sleman, Yogyakarta, 55584, Indonesia

2Nanotechnology and Sustainable Chemistry Research Centre, Universitas Islam Indonesia, Laboratorium Kimia, Kampus Terpadu UII, Sleman, Yogyakarta 55584, Indonesia

Zeeshan Ahmad, Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Kampus Terpadu UII, Sleman, Yogyakarta, 55584, Indonesia

1Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Kampus Terpadu UII, Sleman, Yogyakarta, 55584, Indonesia

2Nanotechnology and Sustainable Chemistry Research Centre, Universitas Islam Indonesia, Laboratorium Kimia, Kampus Terpadu UII, Sleman, Yogyakarta 55584, Indonesia

Indah Tri Rizky, Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Kampus Terpadu UII, Sleman, Yogyakarta, 55584, Indonesia

1Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Kampus Terpadu UII, Sleman, Yogyakarta, 55584, Indonesia

2Nanotechnology and Sustainable Chemistry Research Centre, Universitas Islam Indonesia, Laboratorium Kimia, Kampus Terpadu UII, Sleman, Yogyakarta 55584, Indonesia

Fatimah, I., Solekah, Nurlaela, N. ., Ahmad, Z. ., Rizky, I. T. ., Kamari, A. ., Sagadevan, S. ., & Doong, R.- an . (2026). Evaluation of Photocatalytic and Catalytic Activity of Biochar/Nickel for Laboratory Wastewater Treatment. Science and Technology Indonesia, 11(2), 579–595. https://doi.org/10.26554/sti.2026.11.2.579-595

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