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Nino Rinaldi
Research Centre for Chemistry, Indonesian Institute of Sciences, Kawasan PUSPIPTEK, Serpong 15314, Indonesia
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Materials Science & Nanotechnology

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STUDI AWAL PADA PREPARASI KATALIS BERBASIS LEMPUNG BERPILAR UNTUK REAKSI ETANOL MENJADI GASOLINE (ETG) Nino Rinaldi; Adid Adep Dwiatmoko
Jurnal Kimia Terapan Indonesia Vol 13, No 2 (2011)
Publisher : Research Center for Chemistry - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5789.37 KB) | DOI: 10.14203/jkti.v13i2.155

Abstract

Research on catalytic reaction of ethanol to gasoline (ETG) was investigated in this study. The catalyst with a high acidity is required for the ETG reaction. Therefore, this study focused on the catalyst preparation of ETG reaction by using natural clays which prepared by the pillarization techniquewithseveral metal oxides, such as:AI, Zr, Fe and Cr as the pillared. The prepared of pillared clay were characterized by x-ray diffraction, specific surface area and pore distribution (BET) measurements and  catalytic activity testing on the ETG reaction. It is observed that after the pillarization; the surface area and basal spacing (d001) of the natural clays were significantly increased. thus the   ptllarization process was successfully prepared on natural clay. However,the acidity of theprepared ofpillared clay is still  lower,probably due to the cations between layers of the natural clay were not homogeneous, thus although the pillarization process was happen but still not completely. Moreover, IR measurement showed only the acid type of Lewis is increased after the pillarization. Thistype is not favorable for the ETG reaction, and thus only the lower hydrocarbon products (<Cl2) were observed after the ETG reaction, even aromatics and cyclic hydrocarboncompounds wereobtainedKeyword : preparation, pillared clay, catalyst, ETG reaction.
The Renewability Indicator and Cumulative Degree of Perfection for Gamboeng Tea; Part.2, Exergy Calculation of Tea Factory Teuku Beuna Bardant; Muthia Syafika Haq; Arief Ameir Rahman Setiawan; Sugeng Harianto; Joko Waluyo; Adhi Irianto Mastur; Annisa Dieni Lestari; Anny Sulaswatty; Sujarwo Sujarwo; Nino Rinaldi; Edi Iswanto Wiloso
Jurnal Kimia Terapan Indonesia Vol 20, No 2 (2018)
Publisher : Research Center for Chemistry - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1146.866 KB) | DOI: 10.14203/jkti.v20i2.400

Abstract

Renewability Indicator (RI) and Cumulative Degree of Perfection (CDP) were used to observe sustainability of Gamboeng Tea. The assessment then compared with black tea process in Black Sea Region in Turkey from the previous study. Calculation of exergy for Gamboeng fresh tea leaf had already described in Part.1. Since the main process for both production was drying, then tropical humid climate in Gamboeng is the main challenge to increase efficiency, and thus, renewability. This second part described the significant improvement of renewability had applied in Gamboeng by using wood pellet in rotary pannier. Further recommended improvement were by installing better humidity detector and connected to the process control so the process can adapt the ambient change which the relative humidity can be varied from 65% and up to 92%.
SIMULASI PENGARUH UKURAN PARTIKEL DAN EQUIVALENCE RATIO DALAM PROSES GASIFIKASI TANDAN KOSONG KELAPA SAWIT Sabar Pangihutan Simanungkalit; Dieni Mansur; Nino Rinaldi
Jurnal Kimia Terapan Indonesia Vol 17, No 2 (2015)
Publisher : Research Center for Chemistry - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (660.815 KB) | DOI: 10.14203/jkti.v17i2.26

Abstract

In this study, a simulation for gasification process of oil palm empty fruit bunches waste (OPEFB) using a fixed bed gasifier (throat downdraft) by varying the particle size of OPEFB and equivalence ratio (ER) was investigated. The rate of fuel consumption was 10 kg/h with air as the oxidizing medium and 1 hour process time for 1 batch. Simulation was performed with two-dimensional approach (2D) using Computational Fluid Dynamics (CFD) ANSYS FLUENT 14 software. Simulation results show that ideal amount of equivalence ratio (ER) for gasification process of OPEFB pellets with diameter (φ) of 6 mm and 8 mm is 0.1 ≤ ER ≤ 0.2. ER variation affects the higher heating value of syngas (HHV), the carbon efficiency (ηC), gasification efficiency and temperature distribution in the gasification reactor. Variations in particle size did not have a significant effect in the gasification process.Keywords: CFD, OPEFB gasification, particle size, equivalence ratio
Co-Authors Adhi Irianto Mastur Adid Adep Dwiatmoko Adid Adep Dwiatmoko Annisa Dieni Lestari ANNY SULASWATTY Arief Ameir Rahman Setiawan Dieni Mansur Edi Iswanto Wiloso Luh Putu Ratna Sundari Muthia Syafika Haq Sabar Pangihutan Simanungkalit SUGENG HARIANTO Sujarwo Sujarwo Teuku Beuna Bardant