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All Journal Reaktor International Journal of Science and Engineering (IJSE) International Journal of Renewable Energy Development Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan METANA Jurnal Ilmu Lingkungan JURNAL TEKNOLOGI KIMIA DAN INDUSTRI Jurnal Geografi : Media Informasi Pengembangan dan Profesi Kegeografian Bulletin of Chemical Reaction Engineering & Catalysis Journal of Engineering and Technological Sciences Majalah Ilmiah MOMENTUM Jurnal Arsitektur ARCADE Communications in Science and Technology Jurnal Arsitektur ZONASI Jurnal Pasopati : Pengabdian Masyarakat dan Inovasi Pengembangan Teknologi Journal of Bioresources and Environmental Sciences Journal of Bioresources and Environmental Sciences Bulletin of Chemical Reaction Engineering & Catalysis Jurnal Arsitektur ARCADE

Setia Budi Sasongko

Departemen Teknik Kimia, Fakultas Teknik, Universitas Diponegoro

Author-ID : 3140045

Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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Basicity Optimization of KF/Ca-MgO Catalyst using Impregnation Method Didi Dwi Anggoro; Luqman Buchori; Setia Budi Sasongko; Herawati Oktavianty
Bulletin of Chemical Reaction Engineering & Catalysis 2019: BCREC Volume 14 Issue 3 Year 2019 (December 2019)
Publisher : Department of Chemical Engineering - Diponegoro University

This research aimed at determining the optimum value between calcination temperature (X1), calcination time (X2) and %wt KF (X3) toward optimum basicity of KF/Ca-MgO catalyst. Approximately 2-4%wt KF was added to the KF/Ca-MgO catalyst using the impregnation method to assist the Ca-MgO, at 450-550 ºC and a calcination time of 2-4 hours. Furthermore, its basicity was analyzed using Tanabe's titration method. The use of Variance Analysis (ANOVA), indicated that calcination temperature (X1) factor achieved the highest basicity of KF/Ca-MgO catalyst, as indicated by its high F-value (16.46262) and low p-value (0.0067). The correlation between each operating variables and the responses were shown in a mathematical equation. The optimization value is estimated by limiting the calcination temperature from 415.9 to 584.1 ºC, with a calcination time ranging from 1.32 to 4.68 hours, and %wt KF of 1.3182 to 4.6818 % that obtained 1.18 mmol/g for the optimal catalyst basicity.

Kinetic of Anthocyanin Degradation in Roselle Extract Dried with Foaming Agent at Different Temperatures Setia Budi Sasongko; Mohamad Djaeni; Febiani Dwi Utari
Bulletin of Chemical Reaction Engineering & Catalysis 2019: BCREC Volume 14 Issue 2 Year 2019 (August 2019)
Publisher : Department of Chemical Engineering - Diponegoro University

This research studied the effect of drying temperature on the kinetic of degradation anthocyanin in roselle extract drying with foam under dehumidified air at temperatures ranging 40-60 oC. During the drying process, the anthocyanin content in the roselle extract was observed every 20 minutes for 120 minutes. The data was used for estimating the kinetic parameters of anthocyanin degradation namely constant of anthocyanins degradation rate and reaction order. The kinetic parameters were estimated and fitted with experimental data at various drying condition. Result showed that the anthocyanins degradation closed to the second order reaction. Meanwhile, the constant of anthocyanins degradation rate at various drying temperatures followed Arhenius correlation. With the result, retention of anthocyanin during the drying can be well estimated for various drying time and temperature.

Co-Authors . Widayat Adranandini Noor Anisa Amat Rahmat Aprilina Purbasari Ari Wibawa Budi Santosa Babar Priyadi M.H Dessy Ariyanti Dewi Fatmawati Didi Dwi Anggoro Dwi Purwantoro Sasongko Dyah Agustiningsih Eddy Prianto Fadhil Muhammad Tarmidzi Faleh Setia Budi Febiani Dwi Utari Febiani Dwi Utari H Hadiyanto Haris Nu'man Aulia Haris Nu’man Aulia Hasti Wahyuni Heni Sofiana Herawati Oktavianty Ira Tri Susanti Khrista Triaswuri Laeli Kurniasari Luqman Buchori M. Djaeni Ma'in, M Mochamad Arief Budihardjo Mohamad Djaeni Mohamad Djaeni Mohammad Taufik Mohar Munifatul Izzati Nita Aryanti P Purwanto P Purwanto Purwanto Purwanto Rahmat, Amat Revina Allundaru Ririn Puji Hastuti Ruben Tinosa Dwika Silvy Djayanti Siqhny, Zulhaq Dahri Slamet Priyanto Stephanus Agus Nurdijanto Sudarno Samudro Sudharto Prawata Hadi Suksesi Wicahyani, Suksesi Sutrisno Anggoro Tanty Wisley Sitio Thufail Khoirul Afifi Trisna Ceningsih Utari, Febiani Dwi Vherlly Surjaatmadja Winandyo Mangkoto Winardi Dwi Nugraha

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Journal : Bulletin of Chemical Reaction Engineering