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Journal : Bulletin of Chemical Reaction Engineering

Effects of Weight Hourly Space Velocity and Catalyst Diameter on Performance of Hybrid Catalytic-Plasma Reactor for Biodiesel Synthesis over Sulphated Zinc Oxide Acid Catalyst Luqman Buchori; Istadi Istadi; Purwanto Purwanto
Bulletin of Chemical Reaction Engineering & Catalysis 2017: BCREC Volume 12 Issue 2 Year 2017 (August 2017)
Publisher : Department of Chemical Engineering - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (126.339 KB) | DOI: 10.9767/bcrec.12.2.775.227-234

Abstract

Biodiesel synthesis through transesterification of soybean oil with methanol on hybrid catalytic-plasma reactor over sulphated zinc oxide (SO42-/ZnO) active acid catalyst was investigated. This research was aimed to study effects of Weight Hourly Space Velocity (WHSV) and the catalyst diameter on performance of the hybrid catalytic-plasma reactor for biodiesel synthesis. The amount (20.2 g) of active sulphated zinc oxide solid acid catalysts was loaded into discharge zone of the reactor. The WHSV and the catalyst diameter were varied between 0.89 to 1.55 min-1 and 3, 5, and 7 mm, respectively. The molar ratio of methanol to oil as reactants of 15:1 is fed to the reactor, while operating condition of the reactor was kept at reaction temperature of 65 oC and ambient pressure. The fatty acid methyl ester (FAME) component in biodiesel product was identified by Gas Chromatography - Mass Spectrometry (GC-MS). The results showed that the FAME yield decreases with increasing WHSV. It was found that the optimum FAME yield was achieved of 56.91 % at WHSV of 0.89 min-1 and catalyst diameter of 5 mm and reaction time of 1.25 min. It can be concluded that the biodiesel synthesis using the hybrid catalytic-plasma reactor system exhibited promising the FAME yield. 
Kinetic Study of Anaerobic Digestion of Ketchup Industry Wastewater in a Three-stages Anaerobic Baffled Reactor (ABR) Indro Sumantri; Budiyono Budiyono; Purwanto Purwanto
Bulletin of Chemical Reaction Engineering & Catalysis 2019: BCREC Volume 14 Issue 2 Year 2019 (August 2019)
Publisher : Department of Chemical Engineering - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (785.981 KB) | DOI: 10.9767/bcrec.14.2.2838.326-335

Abstract

The anaerobic digestion of the ketchup industry’s wastewater in a three-stage 60 L capacity baffled reactor has been studied. The effect of concentrations of the initial chemical oxygen demand (2727.3-12086.7 mg/L), on the ABR performance and kinetic models were investigated. The ABR performance was evaluated by measuring the concentrations of each compartment of the COD, calculating its percentage removal, and the acquired data were fitted to the kinetic models. From the initial input, the three-stage ABR successfully removed 90 % of COD, for the initial COD until the concentration was 5324.6 mg/L it achieved stationary phase with HRT 5-10 days, while for initial COD until the concentration was 12086.7 mg/L is attained, the stationary was at 10 days. The kinetic model of second order Grau was suitable for the data, with k2 of 0.6061 d-1 and R2 of 0.9955. 
Advanced Chemical Reactor Technologies for Biodiesel Production from Vegetable Oils - A Review Luqman Buchori; Istadi Istadi; Purwanto Purwanto
Bulletin of Chemical Reaction Engineering & Catalysis 2016: BCREC Volume 11 Issue 3 Year 2016 (December 2016)
Publisher : Department of Chemical Engineering - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (475.793 KB) | DOI: 10.9767/bcrec.11.3.490.406-430

Abstract

Biodiesel is an alternative biofuel that can replace diesel oil without requiring modifications to the engine and advantageously produces cleaner emissions. Biodiesel can be produced through transesterification process between oil or fat and alcohol to form esters and glycerol. The transesterification can be carried out with or without a catalyst. The catalyzed production of biodiesel can be performed by using homogeneous, heterogeneous and enzyme. Meanwhile, non-catalytic transesterification with supercritical alcohol provides a new way of producing biodiesel. Microwave and ultrasound assisted transesterification significantly can reduce reaction time as well as improve product yields. Another process, a plasma technology is promising for biodiesel synthesis from vegetable oils due to very short reaction time, no soap formation and no glycerol as a by-product. This paper reviews briefly the technologies on transesterification reaction for biodiesel production using homogeneous, heterogeneous, and enzyme catalysts, as well as advanced methods (supercritical, microwave, ultrasonic, and plasma technology). Advantages and disadvantages of each method were described comprehensively.
Preliminary Testing of Hybrid Catalytic-Plasma Reactor for Biodiesel Production Using Modified-Carbon Catalyst Luqman Buchori; Istadi Istadi; Purwanto Purwanto; Anggun Kurniawan; Teuku Irfan Maulana
Bulletin of Chemical Reaction Engineering & Catalysis 2016: BCREC Volume 11 Issue 1 Year 2016 (April 2016)
Publisher : Department of Chemical Engineering - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (381.707 KB) | DOI: 10.9767/bcrec.11.1.416.59-65

Abstract

Preliminary testing of hybrid catalytic-plasma reactor for biodiesel production through transesterification of soybean oil with methanol over modified-carbon catalyst was investigated. This research focused on synergetic roles of non-thermal plasma and catalysis in the transesterification process. The amount of modified-carbon catalyst with grain size of 1.75 mm was placed into fixed tubular reactor within discharge zone. The discharge zone of the hybrid catalytic-plasma reactor was defined in the volume area between high voltage and ground electrodes. Weight Hourly Space Velocity (WHSV) of 1.85 h-1 of reactant feed was studied at reaction temperature of 65 oC and at ambient pressure. The modified-carbon catalyst was prepared by impregnation of active carbon within H2SO4 solution followed by drying at 100 oC for overnight and calcining at 300 oC for 3 h. It was found that biodiesel yield obtained using the hybrid catalytic-plasma reactor was 92.39% and 73.91% when using active carbon and modified-carbon catalysts, respectively better than without plasma. Therefore, there were synergetic effects of non-thermal plasma and catalysis roles for driving the transesterification process. 
Co-Authors -, Chahyono A. Yani Abd. Rasyid Syamsuri Abdul Basit Abdul Haris Nasution Abdul Latief Abdul Rahim Abdul Wahab Syakhrani Achmad Fikri Syarif Ade Rahmi Adi Neka Fatyandri Agung Ari Chandra Wibawa Agung Prabowo Agustinus Fritz Wijaya Ahmad Baihaqi Ahmad Subulas Salam Al-Zahra, W. Alaa, Siti Alauddin , Muhammad Badat Anggun Kurniawan Ani Heryani Anton Winarko Arfidawati, Sri Ari Dina Permana Citra Ari Nuswantoro Arif Bintoro Johan Arifah, Auliyah Armas Arifin Arbunowo Armas Arifin Arbunowo Arnold Kaudin Arum Yumastuti Arwini Puspita Asmendri Asmendri Astriyani, Erna B Budiyono Bagus Panuntun Bambang Sudiyono Birmanti Setia Utami Boromeus, Supartomo Corolus Budi Santosa Budi Santosa Camberlin, Camberlin Cholis Sa’dijah Christmas, Sandy Kurnia Cokro Aminoto Damayanti, Elok Dany Eka Parasetia Deni Setyowati Desi Wahyumarniasari Desyarti, Neza Devi Nurfitri Bintang Diah Astutiningrum Diah Kristina, Diah Didi Dwi Anggoro Diharto, Awan Kostrad Dinasti Aprillia Dinasty Putri, Fia Amorita Dinda Paramitha Dipta Wana Anandita, Dipta Wana Durri Andriani, Durri Dwi Purwantoro Sasongko Eka Riyanti Eko Sediyono Elfaig, A. H. I. Elfrida Yuliana Endang Fatmawati Endang Purwaningsih Endriatmo Soetarto Ernawati Ernawati Faradies Arija Farah Diena Amelia Fariz, T. R. Fathoni, Rif'an Fauzi Kurniawan Feliatra Ferry Setiawan Fimmatur Rizka Ardina, Fimmatur Rizka Fitro Nur Hakim Freyti Mariyani Emanuela Tumanduk Gagah Hasan Basrori Gita Lokapuspita H Sukardi H. Hadiyanto H. R. Sunoko, H. R. Haeril, Haeril Hafiziani Eka Putri, Hafiziani Eka Hamid, Sundari Hamsiah, Andi Handayana, I Gusti Ngurah Yudi haryo kusumo Hasanah, Raudhatul Henderina Oualeng Hente, Asri Heriyanti, A. P. Hermawan, Hermawan Hikmawati Hikmawati I Made Dedy Ariawan I. Istadi Idat Muqodas Ika A. Rini, Ika A. ike mardiati agustin Ikhbariaty Kautsar Qadry Indirani Wauran, Indirani Indro Sumantri Irfadat, Taufik Irma Suciana Isril " Iwan Nugroho Iwan Triyuwono Jacob Daan Engel Jahada, Jahada Jubhar Mangimbulude Judhistira Aria Utama Jumadi Jumadi Kamengon, Dytharia Grace kareviati, evie Khair, A. S. E. Luqman Buchori Lydia Lia Prayitno, Lydia Lia M. Suqran Alkausar S Maemunah Mailin, Mailin Malau, Ribut Alam Marwati - Maryono Maryono Mashadi ., Mashadi Mega Kusuma Putri Megawati, Fitria Melia Ariyanti Melia Ariyanti Melia Ariyanti, Melia Mirna Taufik Mirza Hayati Mita Anggraini Mochamad Arief Budihardjo Muh Rasyid Ridha Muh Yusran Yunus Muhaimin Rifa’i Muhajir, Ichsan Muhammad Askari Zakariah Muhammad Daud MUHAMMAD MANSUR Muhammad Zakariah Muharam, La Ode Mulyani Fahrin, Sri Murti, Anjani Wira Musawwir, Musawwir Muslimin Muslimin Nararya Adi Prasetya Ni Luh Ari Yusasrini Ni Made Dewi Wahyuni, Ni Made Dewi Ni Made Sukma Sanjiwani NI PUTU AYU MIRAH MARIATI Ni Wayan Trisna Dewi Ning Iswati Ninik Mutianingsih, Ninik Noviyanti Noviyanti, Noviyanti Nur Santy Abidin Paramitha, Dewa Ayu Ika Petrus Jacob Pattiasina Pratikso Pratikso Pratiwi, Hardiyanti Purnaweni, H. Purnomo Purnomo Purwoko, Agus Putri, Rafika Chudriana R Ritaningsih R. Hadiwijoyo R. Prabowo, R. Rahayu, Ariska Puji Rahmadi Jasmin Rahmah Rahmah Rahmat Azhari Kemal Rahmat, Stephanus Turibius Raihan Putri Ramdhani, Deddy Rame Rame Rame Rame Rini Darmastuti Rispiandi Rispiandi Robiyanto Romdoni, Mochamad Yusuf Romeon, Nesti Rostini Rudi Yuniarto Adi Ruhiawati, Irma Yunita Ruli Fatmawati, Ruli S Suherman S Suherman S.L, Irawan Safei Purnama Salim Mustofa Sanjiwani, Ni Made Suksma Saraswati, Rina Sarwoko Mangkoedihardjo SATRIYAS ILYAS Sehono Semuel Sander Erari Setyawati, Iin Sevnat Jambormias Simorangkir, Faber Simorangkir, Faber Sisilia Siwi Purnawati Siska Gita Pratiwi Sitti Nur Djannah Slamet Supriyadi Subanji, S Suciaty Fitriani Purba Sudarno Sudarno Sudarno Sudarno Sudarno Sudarno Sudharto P. Hadi Sugito Sugito Suhaedir Bachtiar Suko Pratomo Sultan Sultan Sunarno - Suryadi Suryadi Susilawati, Yanti Susiswo, S Suwandi, Edy SUWIJIYO PRAMONO Tamaulina Br Sembiring Tati Sumiati Tauhid, Tauhid Teuku Irfan Maulana Thontowi Djauhari Tri Ardyati Tri Mulyaningsih Unggul P. Juswono Victor Gayuh Utomo Wahyudy, Mukhamad Ady Waladani, Barkah Waliadi Gunawan Warsito, B. Wibawa, Agung Ari Candra Wildoms Sahusilawane Wiwik Puspita Dewi Wulandari, Ni Kadek Lia Wuri Utami Wuri Utami Yanuar, Masnia Mahardi Yassen, M. E. Yayi Suryo Prabandari Yulia Yulia Yuliawati Yulinda Destiany Yunasfi -, Yunasfi Yunasfi . Yuyu Hendawati, Yuyu ZAMAN, Badrus