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Atiek Rostika Noviyanti
Departemen Kimia, FMIPA, Universitas Padjadjaran
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Journal : The Journal of Pure and Applied Chemistry Research

 1 
Evaluation of Mineral-Based Zn-Doped Hydroxyapatite as a Photocatalyst for Methylene Blue Degradation Nisrina, Aniqa; Karya, Teguh; Halim, Riyan; Murniati, Anceu; Hardian, Arie; Gustaman Syarif, Dani; Rostika Noviyanti, Atiek; Jasmansyah, Jasmansyah; Reza, Muhammad
The Journal of Pure and Applied Chemistry Research Vol. 13 No. 3 (2024): Edition September-December 2024
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpacr.2024.013.03.7908

Abstract

Methylene blue is a synthetic dye known to be harmful to aquatic environments. Therefore, efforts are needed to minimize methylene blue waste. This study focuses on degrading methylene blue through photocatalysis, a method chosen for its affordability and ease of use. The photocatalyst used is hydroxyapatite (HAp) derived from limestone (CaCO3) doped with zinc ions (Zn2+). This combination enhances the efficiency of breaking down dye molecules in liquid waste. The photocatalytic performance was tested under three variations: solution concentration, contact time, and pH, using an 8-watt UV lamp for specified durations. Solution absorbance was measured using a Shimadzu 1800 UV-Vis spectrophotometer. Optimal conditions for methylene blue photodegradation by Zn-doped HAp were achieved at 67.2% efficiency for 5 ppm concentration, 16.125% for 120 minutes of irradiation, and 34.86% at pH 7. Additionally, the study included an analysis of adsorption isotherm models for concentration variation and kinetic adsorption analysis for time variation. The Langmuir and Temkin adsorption isotherm models were found to be most suitable with an R2 = 1. The photodegradation kinetics model followed pseudo second-order kinetics with an R2 = 0.990.
Co-Authors Adhitya Pratama Adzkia, Qurratu Aini Alya Akrajas Ali Umar Alfian Nur Firdaus Alfian Raymondo Sinurat Amal, Alfi Ikhlasul Anceu Murniati Anni Anggraeni Anni Anggraeni, Anni Arie Hardian Arini Nurisydayanti Gumilar Asman Asman Ayu Wanda Marita Azhari Yusuf Azhari Yusuf Azmi Prasasti Bambang Prijamboedi Basril Simbarta Tarigan Budi Adiperdana Budiman, Yudha Prawira Cecep Kusmana Dani Gustaman Syarif Dayu Kusuma, Hersandy Diana Rakhmawaty Diana Rakhmawaty Diana Rakhmawaty Eddy Diana Rakhmawaty Eddy Diana Rakhmawaty Eddy Diana Rakhmawaty Eddy Diana Rakhmawaty Eddy Diana Rakhmawaty Eddy Diana Rakhmawaty Eddy Diana Rakhmawaty Eddy Diana Rakhmawaty Eddy Dickry Abil Barry Pratama Diding Mandala Putra Dini Janati Diyanthi, Erlinda Widyasmara E Evy Ernawati Eddy, Diana Rakhmawaty Eko Prabowo Hadisantoso, Eko Prabowo Engela Evy Ernawati Engela Evy Ernawati Fajar Firmansyah Ferli Septi Irwansyah Firmansyah, Fajar Gani Abdilah Ghaissani Nur Maulani Gustaman Syarif, Dani Halim, Riyan Hanapratiwi, Reinanda HARYONO Haryono Haryono Haryono Haryono Haryono Haryono Haryono Haryono Haryono Haryono Haryono MT Hemzah, Sabila Aulia Hersandy Dayu Kusuma I Nyoman Marsih Iman Rahayu Irwan Kurnia Irwan Kurnia Ismunandar Ismu Iwan Hastiawan Iwan Hastiawan Iwan Hastiawan Jasmansyah, Jasmansyah Juliandri Juliandri Karya, Teguh Kurnia, Irwan Laelaturrohmah Laelaturrohmah Lestari, Putri Rizka Lubis, Rubianto A. Ma'Amor, Azman Bin Malik, Yoga Trianzar Maryani, Eneng Mastuti Widi Lestari Mastuti Widi Lestari, Mastuti Widi Ma’amor, Azman Mochammad Rizal Mohammad Rofik Usman Muhamad Rozaq Nur Fauzi Muhammad Raihan Gemilang Muhammad Reza Muhammad Rizky Ridwansyah Nafisah, Aulia Zakiyatun Nisrina, Aniqa Novella, Indrika Nur Azizah Ferdiana Nurhayati, Mita Pandu, Rinal Pramudya Sulaeman, Allyn Rahmadona, Nova Reinanda Hanapratiwi Rihan Amila Putri Rinal Pandu Risdiana Risdiana RISDIANA RISDIANA, RISDIANA Rizka Endah Roekmiati Tjokronegoro Roekmiati Tjokronegoro, Roekmiati Rubianto A. Lubis Rukiah Rukiah Rukiah Rukiah Rukiah Rukiah Rukiah Rukiah Rukiah Rukiah Rustaman Rustaman S SOLIHUDIN S Solihudin, S S. Suryana Sahrul Hidayat Sarifah Nurjanah Seli Listiani Solihudin Solihudin Solihudin Solihudin Solihudin Solihudin Solihudin Solihudin Solihudin Solihudin Solihudin Solihudin Solihudin Solihudin Solihudin, Solihudin Solihudin, Solihudin Sovia Islamiah Syamsiyatul Fajriyah TATI NURHAYATI Titin Siti Fatimah Titin Siti Fatimah Wahyu Safriansyah Walim Lili Yashfi, Difa Muhammad Yati B Yuliyati Yati B Yuliyati YATI B YULIYATI Yati B Yuliyati Yati B Yuliyati, Yati B Yati B. Yuliyati Yeni Wahyuni Hartati Yuli Andriani Yusi Deawati