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All Journal JURNAL KIMIA SAINS DAN APLIKASI POSITRON Konversi Jurnal Fisika FLUX JC-T (Journal Cis-Trans): Jurnal Kimia dan Terapannya Indonesian Journal of Chemistry Jurnal Pengabdian Kepada Masyarakat (Mediteg) Jurnal Ilmiah Berkala: Sains dan Terapan Kimia JOURNAL OF WETLANDS ENVIRONMENTAL MANAGEMENT Bulletin of Chemical Reaction Engineering & Catalysis
Rodiansono Rodiansono
Chemistry Study Program, Faculty Of Mathematics And Natural Sciences, Lambung Mangkurat University, Banjarbaru
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Materials Science & Nanotechnology Physics Social Sciences

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Journal : JURNAL KIMIA SAINS DAN APLIKASI

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Synthesis and Characterization of Ag@C-TiO2 Nanocomposite for Degradation of Sasirangan Textile Wastewater Heny Puspita Dewi; Joko Santoso; Nur Firda Trianda; Rodiansono Rodiansono
Jurnal Kimia Sains dan Aplikasi Vol 22, No 6 (2019): Volume 22 Issue 6 Year 2019
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2322.112 KB) | DOI: 10.14710/jksa.22.6.299-304

Abstract

Carbon-titanium oxide nanocomposite (denoted as @C-TiO2) was successfully synthesized via hydrothermal method at 150°C for 24 h. The C-TiO2 nanocomposite was furtherly modified by adding an Ag metal dopant (denoted as Ag@C-TiO2) to improve and applied to the photocatalytic degradation of Sasirangan textile wastewater. The composite photocatalysts were characterized by XRD and UV–Vis DRS spectroscopies. XRD patterns showed that TiO2 in @C-TiO2 mainly consisted of a brookite phase, as indicated by a series sharp diffraction peak at 2θ = 27.2° (111), 31.5° (121) and 55.9° (241). The calculated band gap energy (Eg) derived from UV-Vis DRS spectra for TiO2, @C-TiO2, and Ag@C-TiO2 were 2.95 eV, 2.54 eV, and 2.74 eV, respectively. Ag@C-TiO2 photocatalyst was found to be active for the photocatalytic degradation of Sasirangan textile wastewater, as indicated by the change of wastewater color from dark to clear. The quantitative photocatalytic activity of Ag@C-TiO2 was evaluated in the degradation of methylene blue, whereas the conversion of methylene blue was 41.3%. The addition of Ag to @C-TiO2 is believed to play an essential role in the enhancement of photocatalytic activity.
Modified-ZrO₂ Supported Bimetallic Ruthenium-Tin Catalysts for Selective Hydrogenolysis of Furfuryl Alcohol to 1,5-Pentanediol Bodoi, Thea Seventina Desiani; Mustari, Ikhsan; Nurfitriani, Anggita; Ridhoni, Arif; Almervanka, Firza; Azzahra, Atina Sabila; Irawati, Utami; Rodiansono, Rodiansono
Jurnal Kimia Sains dan Aplikasi Vol 29, No 1 (2026): Volume 29 Issue 1 Year 2026
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jksa.29.1.64-72

Abstract

Biomass-derived platform C5-furanic compounds such as furfural (FFald) and furfuryl alcohol (FFalc) can be converted into 1,5-pentanediol (1,5-PeD), an important intermediate for textiles and plastics, via catalytic hydrogenolysis reaction. However, catalyst selectivity for the hydrogenolysis reaction of FFalc to 1,5-PeD remains a challenge. In this study, modification of ZrO2 with metal oxides such as TiO2(R), TiO2(A), g-Al2O3, and active carbon (C) as the supports of bimetallic ruthenium-tin (Ru-Sn) catalysts for the selective hydrogenolysis of furfuryl alcohol (FFalc) to 1,5-pentanediol (1,5-PeD) has been investigated systematically. The modified-ZrO2 supports were prepared by physical mixing using oxalic acid as a binder at room temperature, followed by calcination under N2 at 300°C (ramping 2.5°C min−1) for 2 h. The supported Ru-Sn catalysts were synthesised by using the coprecipitation-hydrothermal method at 150°C for 24 h and reduced with H2 at 400°C (ramping 3.3°C min−1) for 2 h. The synthesised catalysts were characterised by means of XRD, H2-TPR, and NH3-TPD. The pristine structures of ZrO2, TiO2, and g-Al2O3 were maintained during the preparation of catalysts. Ru-Sn/ZrO2-TiO2(A) catalyst (Ru = 4 wt%, Sn = 1.30 wt%, ZrO2 = 67 wt%, and TiO2 (A) = 33 wt%) with calcination temperature of 300°C gave the highest yield of 1,5-PeD (72%) at 140°C, H2 10 bar for 3 h.
Co-Authors A.A. Ketut Agung Cahyawan W Abdul Ghofur Abdul Ghofur Abdullah A. Abdullah Abdullah Abdullah Abdullah Abdullah Abdullah Abdullah Adi Maulana Adilina, Indri Badri Agung Nugroho Agus Riyanto Ahmad Budi Junaidi Almervanka, Firza Anggono Wijaya Anggono Wijaya Anggono Wijaya Annisa Annisa Asma Fauziah Atina Sabila Azzahra Atina Sabila Azzahra Azidi Irwan Azzahra, Atina Sabila Bodoi, Thea Seventina Desiani Budi Junaidi, Budi Chairul Irawan Citra Ariyanti Dahlena Ariyani Dewi Umaningrum Dewi Umaningrum Dewi, Heny Puspita Ditya Kristina Dwi Rasy Mujiyanti Dwi Rasy Mujiyanti Dwi Rasy Mujiyanti Dwi Rasy Mujiyanti Edi Mikrianto Elisa Hayati Faisal F. Faisal Ferensa Oemry Hasanah Hasanah Heny Puspita Dewi Husain, Sadang Ina Risnawati Iryanti Fatyasari Nata, Iryanti Fatyasari Jaka Darma Jaya Jayanudin Jayanudin Joko Santoso Kamilia Mustikasari Kamilia Mustikasari Karlini Karlini Kiky C SEMBIRING Kiky C. Sembiring Kiky Corneliasari Sembiring Kurnia Putri Leo Saputra Maria Dewi Astuti Muhammad Agus Muljanto Muhammad Iqbal Pratama Mustari, Ikhsan Nana Widyastuti Ninis Hadi Haryanti, Ninis Hadi Nobuyuki Ichikuni Nur Firda Trianda Nurfitriani, Anggita Paradilla Catur Wulabdari Paradilla Catur Wulandari Pathur Razi Ansyah Puput Nopitasari Radhina Oktari Rahmat Eko Sanjaya Rahmidah Ulfah R. Rahmida Ulfah Reda Ariyantie Ridhoni, Arif Rifwanda, Shauqi Aulia Risnu Aritofa Sadang Husain Sadang Husain Sadang Husain Sadang Husain Sadang Husain Sepfina Monica Hutasoit Shimazu Shogo Shogo Shimazu Shogo Shimazu Suarso, Eka Sudarningsih Sudarningsih Sulfi Adam Sunardi, Ph.D., Sunardi Sunnardianto, Gagus Ketut Suryajaya Suryajaya Susi Susi Sutomo Sutomo Sutomo Sutomo Sutomo Sutomo Syahrul Khairi Takayoshi Hara Takayoshi Hara Takayoshi Hara Tantriati T. Tantriati Tetti Novalina Manik Triyono Triyono Triyono Triyono Umi Baroroh Lili Utami Uripto Trisno Santoso Uripto Trisno Santoso Uripto Trisno Santoso Utami Irawati Wega Trisunaryanti Wega Trisunaryanti Wega Trisunaryanti