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All Journal International Journal of Science Technology and Health
Kaharuddin Kaharuddin
Institut Sains Teknologi dan Kesehatan (ISTEK) ‘Aisyiyah Kendari
Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Health Professions Public Health

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Photoelectrocatalytic Degradation of Organic Compound Congo Red Using TiO2/Ti Electrode Muh. Edihar; Kurnia Sri Yunita; Kaharuddin Kaharuddin
International Journal of Science Technology and Health Vol 1 No 1 (2023): Science Technology and Health
Publisher : LPPM ISTEK 'Aisyiyah Kendari

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Abstract: In this study, we synthesized photobilized TiO2 on a Ti plate and tested its photoelectrocatalytic activity towards Congo Red. The background of this research is to develop an effective and environmentally friendly water treatment method. The main method used was the sol-gel synthesis of TiO2 prepared from titanium tetra isopropoxide as a complexing agent, followed by photobilization on a Ti plate. Material characterization was conducted using XRD technique, portable Potentiostat (e-DAQ), and UV-Vis DRS (Diffuse Reflectance Spectrophotometric) spectroscopy. The results of this research showed that the TiO2 synthesis produced Anatase crystal structure with particle size of 13–16 nm and a band gap of 3.20 eV. Furthermore, the photoelectrocatalysis test demonstrated that TiO2/Ti exhibited activity in degrading Congo Red. The main conclusion of this study is that the synthesis of TiO2/Ti using the Sol-Gel method and immobilization on a Ti plate can enhance the photodegradation efficiency towards Congo Red. This finding has significant implications in the development of more effective and environmentally friendly water treatment technologies.
Performance Test of Residu Powder Distillation from Fermentation Result Cocoa Fruits (Theobroma Cacao L.) as Adsorbent For Metal Ions (Cr3+, Fe3+, Pb2+) Kaharuddin Kaharuddin; Kurnia Sri Yunita; Muh. Edihar; Mawaddah Zaqinah Diah; Salniati Hade; Sapril Kartini
International Journal of Science Technology and Health Vol 2 No 1 (2024): Science, Technology and Health
Publisher : LPPM ISTEK 'Aisyiyah Kendari

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Research this which is used as an adsorbent powder obtained through hydrolysis, fermentation and distillation of cacao fruit skin. This study aims to determine the ability of the cacao fruit skin powder to adsorb metal ions chromium (Cr3+), iron (Fe3+) and Lead (Pb2+) with adsorbent mass variation. Adsorption is done on metal chromium (Cr3+), iron (Fe3+) and lead (Pb2+) with three variations of the adsorbent mass of 0.25, 0.50 and 0.75 grams. The results showed that the performance of cacao fruit skin powder the most effective to metal ions lead (Pb2+) with percent adsorption 97.70%, for metal ions iron (Fe3+) with percent adsorption 94.33%, and crom (Cr3+) metal ions with the percent adsorption was 89.71% with adsorbent mass of 0.75 grams.
Co-Authors Kurnia Sri Yunita Mawaddah Zaqinah Diah Muh. Edihar Salniati Hade Sapril Kartini