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Journal : Bulletin of Chemical Reaction Engineering

Synthesis of Solid Acid Catalyst from Fly Ash for Eugenol Esterification Nur Hidayati; Titik Pujiati; Elfrida B. Prihandini; Herry Purnama
Bulletin of Chemical Reaction Engineering & Catalysis 2019: BCREC Volume 14 Issue 3 Year 2019 (December 2019)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.14.3.4254.683-688

Abstract

A series of fly ash-based heterogeneous acid catalysts were prepared by chemical and thermal treatment. Fly ash was chemically activated using sulfuric acid and followed by thermal activation. Characterization methods of XRD, BET, SEM-EDX, and the performance in esterification of eugenyl acetate production was carried out to reveal the physical and chemical characteristics of prepared catalysts. Activated catalyst showed high silica content (96.5%) and high BET surface area of 70 m2.g-1. The catalyst was proven to be highly active solid acid catalyst for liquid phase esterification of eugenol with acetic acid yielding eugenyl acetate. A yield of 43-48% was obtained with activated fly ash catalysts for 90 minutes reaction. These catalysts may replace beneficially the conventional homogenous liquid acid to the eco-friendly heterogeneous one. 
Electro-oxidation of Ethanol on Carbon Supported PtSn and PtSnNi Catalysts Nur Hidayati; Keith Scott
Bulletin of Chemical Reaction Engineering & Catalysis 2016: BCREC Volume 11 Issue 1 Year 2016 (April 2016)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.11.1.399.10-20

Abstract

Even though platinum is known as an active electro-catalyst for ethanol oxidation at low temperatures (< 100 oC), choosing the electrode material for ethanol electro-oxidation is a crucial issue. It is due to its property which easily poisoned by a strong adsorbed species such as CO. PtSn-based electro-catalysts have been identified as better catalysts for ethanol electro-oxidation. The third material is supposed to improved binary catalysts performance. This work presents a study of the ethanol electro-oxidation on carbon supported Pt-Sn and Pt-Sn-Ni catalysts. These catalysts were prepared by alcohol reduction. Nano-particles with diameters between 2.5-5.0 nm were obtained. The peak of (220) crystalline face centred cubic (fcc) Pt phase for PtSn and PtSnNi alloys was repositioned due to the presence of Sn and/or Ni in the alloy. Furthermore, the modification of Pt with Sn and SnNi improved ethanol and CO electro-oxidation. 
Effect of Co and Mo Loading by Impregnation and Ion Exchange Methods on Morphological Properties of Zeolite Y Catalyst Didi Dwi Anggoro; Nur Hidayati; Luqman Buchori; Yayuk Mundriyastutik
Bulletin of Chemical Reaction Engineering & Catalysis 2016: BCREC Volume 11 Issue 1 Year 2016 (April 2016)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.11.1.418.75-83

Abstract

Coal tar can be used as an alternative raw material for the production of liquid fuels, such as: gasoline and diesel through hydrogenation and cracking process. Hydrogenation and cracking process requires a catalyst which has metal components for hydrogenation reaction and acid components for cracking reaction. In this study, the Co/Zeolite Y and Co-Mo/Zeolite Y catalysts were prepared by impregnation and ion exchange methods. Characterizations of the catalysts were carried out by X-Ray Diffraction (XRD) and gravimetric acidity. The catalysts were tested for coal tar conversion to liquid fuel under various temperatures, amount of catalyst and hydrogen flow rates in a fixed bed flow reaction system. Liquid fuels products were analyzed by gas chromatography (GC). The XRD Spectra indicated that the addition of Co and Mo metals did not affect catalysts structure, however it alters the percentage of crystallinity. The addition of Co metal using impregnation method caused reduction in crystallinity, while the addition of Mo caused improvement of crystallinity. The Co-Mo/Zeolite Y catalyst with highest crystallinity was obtained by loading using ion exchange method. The addition of Co and Mo metals caused increasing acidity. However, the increasing composition of Co and Mo loaded on Zeolite Y catalyst decreased the yield of liquid fuels from coal tar. It can be concluded that the yields of liquid fuels and the composition of gasoline fractions from hydrocracking of coal tar were highly dependent on  acidity of the catalyst. 
Co-Authors a agus Priyono Abd. Hakam Abdul Halik Abraham Nurcahyo ABS, M Khoirul Achmad Agus Priyono Adibatul Khumaira’Mirza Lutfallah Afdalul Aulad Afi Rahmat Slamet Agam Rizkiyan Ahmad Dani Dzakiyuddin Ahmad Fajri Aleria Irma Hatneny Alfiana Deviana Alisa Mutia Sara Allysa Rochmadina Tjahyaningrum Andi Normala Anik Malikah Anisa Cahyani Aprilia Anisa Dwi Wandani Anisa Ur Rahmah Anniez Rachmawati APRILIANA APRILIANA Ardani Fadilah Ahmad Argoto Mahayana Arif Agung Saputro Arini Fitria Mustapita Audia N Rumbaremata Avisya Lailatul Fadhilah Ayu Kharisma Putri Ayu Mayshella Putri Ayu Mir’atus Sholihah Bahri, Matahari Adihapsari Saiful Basalamah, Muhammad Ridwan Bayu Antiko Bella Saputri Beny Mahyudi Saputra Buchory Ms Budi Setio Zadi Cahya Retna Ningtyas Cahyani Nurlaela Chairunisa Ta Marsaoly Chusnul Chotimah Cindra Suryaputri Anggraeni Dania Ulva Deddy Rahman Saputra Denis Apriliyanto Denny Geovandi Putra Desti Ikromah Desy Puspitasari Dewi Sulistyawati Diah Ayu Dian Eka Permata Sari Dian Kresnadipayana Diana Ambarwati Didi Dwi Anggoro Dwi Indarti Putri Dwiyani Sudaryanti Dyah Putri Anggraini Eggy Juan Prasetyo Eka Farida Elfrida B. Prihandini Elisa Putri Nastiti Ella Agustin ENI SETYOWATI Enita yuliasari Eris Dianawati Eryantri Chintya Dewi Esti Widya Astuti Etty Saraswati Evi Rahayu Fadli Kemal Wusurwut Fahruddin Angga Pradana Fahrurrozi Rahman Faniati Dian Bakar Faqih Adam Faradina Rochmawati Ningrum Fariska Ayu Zulfiana fauzan Fauzan Fera Erika Febranti Fita Rusdian Ikawati Gigih As’ary Gregorius Prima Indra Budianto Halimatus Sya’diyah Hanifah Qoriroh Syalzabilah Hardianti Hardianti Hasna Nur Isnaini Heni Anggraini Hernik Farisia Herry Purnama Hunainah Hunainah Ichwan Haryadi Ifa Kurnia Sari Ifandari Ifandari Iis Nabila Ika Amalia Putri Ika Erniawati Ika Rahma Maulida Imroatus Sholikah IMRO’ATUS SHOLIHAH Indra Viki Hartoko Inggit Dwi Priliya Intan Dewi Sa’adah Ismy Dahlia Safitri Isnadiah Endang Mastuti Ita Athia J.M.V. Mulyadi Jaelani Chafidz Nur Shihab Jhanua Rizal Idfiano Joni Iskandar Joni Yoga Pratama Junaidi Junaidi Junaidi Junaidi Karina Widyaswari Iin Kusumawati Keith Scott Khalikussabir, Khalikussabir Khoirulliati K Khozinatul Abror Kiky Candrawati Krisna Tiknanda Arman Kusmiyati Kusmiyati Laela Purnamasari Laila Maulatul Haq Lathifah Lathifah Latifatul Rochmah Lilis Murtuti Liria Rhosa Effendi Luqman Buchori Lutfi Zainul Hasan M. Cholid Mawardi Magvira Nurul Khoyima Malik Musthofa Mardiyono Mardiyono Maria Fransiska Utami Bugis Mawaddah Mawaddah Moch. Lucky Fahmi Moh. Amin Mohammad Amin Mohammad Rizal Muhamad Rizal Fatoni Muhammad Abdulah Zamzamy Muhammad Abdurrahman Munir Muhammad Mujiburahman Muhammad Mujiburohman Muhammad Mujiburohman Muhammad Syahrul Wafa Muhammad Zulfikar Mu’izzatul Maghfiroh Nailus Syafa’ah Najmudin A. Mumtaz Narimo Narimo Naufal Rifqi Syafruddin Neny Winarti Nida Nabila Nisrina Hasna Wardani Novanda Asalia Novi Panca Wardani Nukman Nador Nunung Ismawati Nur Choliqfatus Azizah Nur Eka Yanti NUR FATIMAH Nur Islamiyah Nur Septa Aminudin Nurhidayah Nurhidayah Nuri Aslami Nurul Patmawati Pardiman Pardiman Pramita Cindy Imannurya Prima Octaria Pramesti Putri Ekawati Putri Rahayu Putri Yudiastantri Qisthi Hanifa Maisarah Rachmad bagas yahya supriyono Ragas Fitria Sina Murti Rahmah Puspita Sari Rahmatdatulah Rahmatdatulah Rahmawati Rahmawati Rania Nur Rachma Ratna Furi Ratna Tri Hardaningtyas, Ratna Tri Redi Hardianto Resa Widiamawarta Restu Millaningtyas Restu Zulaekha Riska Dwi Fitriana Riska Widia Rantasari Risma Khoyrunnisa Risna Nur Anggraini Ristia Laura Amanda Riwahtini Riwahtini Riza Adi Kurniawan Rizal David Rizca Aulyana Rohmat Rohmat Rosyid Ash Shidiq Ruqayyah Ruqayyah Salma Silvia Nazihah Salsabila Alfi Ayu Shahara Salsabila, Unik Hanifah Salsalbila Junita Sari Santi Fitri Harianti Saraswati, Ety Sargio Sargio Sarina Hi Djafar Septiana Ambarwati Shofyah Shofyah Siti Asiyah Siti Fatimah Siti Husna Nurrohmah Siti Mabruroh Siti masruroh Siti Miftahus Sa’adah Soebiyanto Soebiyanto Sri Sukenti Subur Widiyanto Subyati Furi Handayani Sulton Afkhar Nawafil Sumardiyono Sumardiyono Sunardi Sunardi Sunaryo, Hadi Supriyanto Supriyanto Suwardi, Suwardi Syuria Darma Putra TB Lukmanul Hakim Tiara Niken Pramesti Tica Aditya Avita Titik Pujiati TRI WULANDARI Tsamrotul Masrifatil Abadiah Twenty Vivi Kartika Ulfa Dwi Yanti H. Abubakar Ulfa Uswatul Hasanah Ulis Sa’adah Ulmansyah Yassir Umu Azizah Venni Dwi Silfiani Vira Violita Vivi Wijaya Lestari Wahib Khoiruddin Wahyu Annisa Mega Brilianti Wahyu Devi Satna Pambudi Wahyu Prawesthi Waluyo Budi Atmoko Yahya Supriyono Yasa Yasmita Yayang Giana Putri Yayuk Astuti Yayuk Mundriyastutik Yohanes Indra Riskajaya Yongki Dwi Ardiansyah Yuanita Sholihah Yuanita Syaiful Yulia Dwi Tirtaasari Yunita Dwi Puspita Yunita Raj Alfan Putri Zahratul Trixie Harinda Zakiah Zakiah Zulfika Nur’aini