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All Journal Indonesian Journal of Chemical Science Teknologi Indonesia Jurnal Teknik Kimia Indonesia Jurnal Teknologi Berkelanjutan Makara Journal of Science International Journal of Renewable Energy Development Bulletin of Chemical Reaction Engineering & Catalysis Jurnal Sains Materi Indonesia Journal of Engineering and Technological Sciences
Nino Rinaldi
Research Center for Chemistry, Indonesia Institute of Sciences, Puspiptek Serpong, Banten
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Transportation

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Journal : International Journal of Renewable Energy Development

 1 
Performance of sulfided NiMo catalyst supported on pillared bentonite Al and Ti under hydrodeoxygenation reaction of guaiacol Rinaldi, Nino; Sari, Novi Liana; Sumari, S.; Kristiani, Anis; Agustian, Egi; Widjaya, Robert Ronald; Dwiatmoko, Adep
International Journal of Renewable Energy Development Vol 13, No 3 (2024): May 2024
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/ijred.2024.60060

Abstract

Bio-crude oil is known to be sustainable, eco-environmentally, and an alternative energy source produced by biomass pyrolysis. However, its quality remains relatively low due to a higher oxygen concentration compared to liquid fuels from fossils. Therefore, an upgrading process is necessary through the catalytic hydrodeoxygenation (HDO) process. This work synthesized pillared bentonite using Al and Ti metals as the pillaring agent to produce Al-PILC and Ti-PILC as catalyst support for sulfided NiMo. Their catalytic activity in HDO reaction using guaiacol as a model compound of bio-crude oil were also evaluated. Characterization of the bentonite-pillared materials, including Al-PILC, Mo/Al-PILC, NiMo/Al-PILC, Ti-PILC, Mo/Ti-PILC, and NiMo/Ti-PILC, was performed using Surface Area Analyzer, X-ray Diffractometer (XRD), Temperature-Programmed Desorption of ammonia (NH3-TPD), X-Ray Fluorescence (XRF), and Scanning Electron Microscope (SEM) techniques. The characterization results confirm the pillarization process of bentonite using Al and Ti metals as the pillaring agent, and the preparation of the NiMo catalyst using the stepwise impregnation method was successfully prepared. The NiMo/Ti-PILC catalyst performs a superior conversion value on the HDO guaiacol reaction than other catalysts. A well dispersion of Mo and Ni metals on the surface support (NiMo/Ti-PILC), thus creating numerous active sites of the catalyst after the sulfidation. Variations in time and temperature during the HDO guaiacol reaction significantly affected the conversion.
Effect of various silica-supported nickel catalyst on the production of bio-hydrocarbons from oleic acid Riyandi, Rafly; Rinaldi, Nino; Yunarti, Rika Tri; Dwiatmoko, Adid Adep; Simanjuntak, Fidelis Stefanus Hubertson
International Journal of Renewable Energy Development Vol 13, No 4 (2024): July 2024
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/ijred.2024.60054

Abstract

The conversion of fatty acids into bio-hydrocarbons can be carried out through a deoxygenation (DO) reaction. Catalytic deoxygenation of fatty acids can occur through three reaction pathways: decarbonylation, decarboxylation, and hydrodeoxygenation. In this study, three kinds of silica were prepared: (i) silica obtained from the rice husk ash (RHA); (ii) synthetic mesoporous silica SBA-16; and (iii) commercial silica. All prepared silica was used as supported nickel (Ni) catalyst for bio-hydrocarbon production through DO reaction of oleic acid. The objective of this study was to investigate the effect of variations of silica on the reaction pathway and final products composition of DO reaction of oleic acid. The catalysts were characterized by X-ray fluorescence (XRF), X-ray diffraction (XRD), surface area analysis, and NH3-temperature-programme desorption. Based on XRF and XRD analysis results, it can be concluded that nickel was successfully impregnated into all silica. All samples of catalysts were used in a reaction carried out at temperature of 285 °C under a pressure of 40 bar H2 for 2h. The results showed that all catalysts were able to convert oleic acid to bio-hydrocarbon with differences in products composition. The highest oleic acid conversion of 98.25% was achieved with Ni/RHA catalyst but the obtained liquid products was the lowest among other catalysts. It is found that this phenomenon was closely related to the acidity properties of the catalyst.
Aluminum, nickel, and manganese supported on bentonite for conversion of ethanol to gasoline Rahmanda, Deri; Wardhani, Sri; Andayani, Ulfa; Widjaya, Robert R.; Dwiatmoko, Adid A.; Rinaldi, Nino; Prasetyo, Joni; Kurniawan, Kezia F.
International Journal of Renewable Energy Development Vol 14, No 2 (2025): March 2025
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/ijred.2025.60834

Abstract

The potential of bentonite as a catalyst is rapidly growing, isomorphic substitution in its interlayer allows for cation exchange and facilitates modification to enhance its catalytic properties. The catalytic performance of bentonite can be improved through the insertion of pillared clays (PILC) into its interlayer structure using Al2O3, NiO, and MnO metal oxide alloys. This research aims to develop and study a modified bentonite catalyst, focusing on its physicochemical changes,as well as its activity and selectivity in the conversion of ethanol to biogasoline. The synthesis of oxide pillars on bentonite was carried out at a consistent metal/bentonite mole ratio of 10 mmol/g, with a mixed metal composition of 1:1. The results showed anexpansion of interlayer distance, as measured by X-ray diffraction (XRD), which increased in all catalysts compared to natural bentonite6,350 (13.94 Å). Surface Area Analyzer (SAA) analysis, revealed that Al/Bentonite exhibited the highest surface area at187.84 m2/g. Total acidity  analyzed, using Temperature Programmed Desorption-Ammonia (TPD-NH3), was found to be 2.33 mmol/g, with Al-Ni/Bentonite showing the highest acidity. Thermal stability, tested throughThermogravimetric Analysis (TGA), indicated that catalysts containing Al and Ni demonstrated the highest stability. The catalytic activity test showed that the Al/bentonite catalyst achieved the highest ethanol conversion rate of68.64% and a catalyst selectivity of 51.70%, as determined byGas Chromatography-Flame Ionized Detector (GC-FID) analysis. These results indicate that the pillarization of bentonite with Al2O3, NiO, and MnO oxides significantly improved its physicochemical properties, activity, and selectivity in the catalytic conversion of ethanol to biogasoline compared to natural bentonite.
Co-Authors - Jumaeri Agustian Al Muttaqii, Muhammad Al-Muttaqii, Muhammad Anis Kristiani, Anis Anny Sulaswatty, Anny Asif Aunillah Asri, Wan Ryan Bambang Soegijono Buchori , Luqman Chairul Irawan Dibyo Pranowo Didi Dwi Anggoro Dieni Mansur Dwiatmoko, Adep Dwiatmoko, Adid A. Dwiatmoko, Adid Adep Egi Agustian Fahma Riyanti Firmansyah, Sanji Fitri Hadiah Hanifah, Yuliza Harry Budiman Hasanudin Hasanudin Haznan Abimanyu Hery Haerudin I.G.B Ngurah Makertihartha Isalmi Aziz Jayanti, Yeni Fitriana Jayanti, Yeni Fitriana Joni Prasetyo, Joni Kurniawan, Kezia F. Le Monde, Brilliant Umara Maharani, Najiah Sephia Maisaroh Maisaroh Marbun, Maja Pranata MARIA BINTANG Maryana, Roni Mohammad Nasikin Muhammad Arifuddin Fitriady, Muhammad Arifuddin Mulyana, Muhammad Rizky Nabillah, Syifa H. Nakashima, Mhika Novia Dwi Rahmawati Novia Novia Nuni Widiarti Oman Zuas Putra, Muhammad Fadila Rahmanda, Deri Rahmawati, Rahmawati Ramdani, Dadi Riyandi, Rafly Rohmah, Alfissyahriyah Nur Sabar Pangihutan Simanungkalit Sabar Simanungkalit, Sabar Sari, Novi Liana Savitri Savitri, Savitri Savitri, - Shabri Shabri, Shabri Sigit Priatmoko Silviana , Silviana Simanjuntak, Fidelis Stefanus Hubertson Simanungkalit, Sabar P. Siregar, Yusraini D. I. Sri Wardhani Subagjo, S Sumari, S. Teuku Beuna Bardant Ulfa Andayani, Ulfa Widjaya, Robert R. Widjaya, Robert Ronal Widjaya, Robert Ronald Yati Maryati yati, indri Yunarti, Rika Tri Zainol, Muzakkir Mohamad