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Putu Artawan
Universitas Pendidikan Ganesha
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Journal : Indonesian Physical Review

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SYNTHESIS AND CHARACTERIZATION OF ACTIVATED CARBON PREPARED FROM RICE HUSK BY PHYSICS-CHEMICAL ACTIVATION Suyoga Wiguna, Anak Agung Gde; Mardana, Ida Bagus Putu; Artawan, Putu
Indonesian Physical Review Vol. 7 No. 2 (2024)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v7i2.311

Abstract

Activated carbon is an amorphous carbon material predominantly composed of free carbon atoms with high adsorption capacity. The amorphous structure in activated carbon affects its adsorption capacity; the higher the percentage of amorphous carbon, the greater the adsorption capacity of the activated carbon. Activated carbon can be obtained from rice husk waste containing 30-40% C in cellulose, hemicellulose, and lignin. Therefore, this study was conducted to observe activated carbon's phases, morphology, elemental composition, and particle size. Activated carbon was synthesized using a physics-chemical activation method, which began with washing the rice husk samples, followed by air drying, carbonizing into charcoal, and grinding it finely. The rice husk charcoal powder was then physically activated at a temperature of 500℃. The physically activated product was then chemically activated using 6M HCl with a charcoal-to-activator ratio of 1:10 (m/V), stirred at 250 rpm for 1 hour, and then allowed to settle for 24 hours. It was then washed and dried to produce activated carbon powder. XRD test results showed diffraction peaks at 2θ = 22.23° without sharp or pointed peaks, indicating that the activated carbon has an amorphous structure. SEM test results showed the morphology of rice husk-activated carbon with spherical particle shapes and a particle size distribution of 20-70 nm. EDX test results showed that the rice husk activated carbon is predominantly composed of C, O, and Si with respective percentages of 54.31%, 40.04%, and 2.49%.  
Co-Authors ., Dewa Ayu Putu Diah Oktaviani Lestari ., I Komang Suliasa ., Kadek Ari Widia Astuti ., Luh Gede Ika Dewi Kusumayanthi ., Ni Kadek Vingki Aryanti ., Ni Made Sastri Dwisarini ., Ni Putu Widyasanti ., Putu Fera Andriyani A. A. Istri Agung Rai Sudiatmika A. E. Putra Andriyani, Luh Putu Yeni Anny Maulida . Desak Made Citrawathi Devia Dewa Ayu Putu Diah Oktaviani Lestari . Dr. I Nyoman Tika,M.Si . Dr. Ni Made Pujani,M.Si . Drs. I Made Wirta, M.Pd . Fitriani, Herdiyana Gde Parie Perdana . Gde Parie Perdana ., Gde Parie Perdana Heny, Ajeng Purnama I Gede Dana Santika . I Gede Dana Santika ., I Gede Dana Santika I Gusti Agung Adi Putra Suryawan . I Gusti Agung Adi Putra Suryawan ., I Gusti Agung Adi Putra Suryawan I Kertut Purnamawan I Ketut Purnamawan I Ketut Purnamawan I Komang Suliasa . I Made Adi Wiadnyana . I Wayan Mindrawan . I Wayan Mindrawan ., I Wayan Mindrawan I Wayan Redhana I Wayan Sadia I Wayan Suastra Ida Bagus Putu Arnyana Ida Bagus Putu Mardana Iwan Suswandi Kadek Ari Widia Astuti . Ketut Janur Antariani . Ketut Purnamawan Ketut Purnamawan Luh Gede Ika Dewi Kusumayanthi . M.Pd Drs. I Made Wirta . MS Prof. Dr. Ketut Suma . Ni Kadek Ani Parwati . Ni Kadek Suratini . Ni Kadek Vingki Aryanti . Ni Luh Wiwin Arya Juniari . Ni Luh Wiwin Arya Juniari ., Ni Luh Wiwin Arya Juniari Ni Made Sastri Dwisarini . Ni Putu Widyasanti . Prof. Dr. I Wayan Santyasa,M.Si . Prof. Dr. Ketut Suma, MS . Putra, A. E. Putu Asta Widya Widnyana . Putu Asta Widya Widnyana ., Putu Asta Widya Widnyana Putu Budi Adnyana Putu Fera Andriyani . Sitohang, Rina Agustini Srinadi, Desak Nyoman Suyoga Wiguna, Anak Agung Gde Wanda Yudi Astari . Waruwu, Wenimanwati Widiartini, Kadek Leni Yuliana, Ina