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All Journal Scientific Contributions Oil and Gas LEMBARAN PUBLIKASI MINYAK DAN GAS BUMI (LPMGB)
Donatus Setyawan Purwo Handoko
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Chemical Engineering, Chemistry & Bioengineering Energy

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Converting Catalytic Palm Oil (MEPO) to Produce Biogasoline Using Zeolite Faujasite Catalyst From Fly Ash with Nickel Impregnation (Ni) Donatus Setyawan Purwo Handoko
Scientific Contributions Oil and Gas Vol 45 No 2 (2022)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.45.2.1187

Abstract

The process hydrocracking methyl ester of palm oil into fractions biogasoline by faujasite cata-lyst of fly ash impregnated with nickel have been made. Preparation for faujasite synthesis of fly ash can bedone by removing organic compound and refluxing HCl. Synthesis do by melting the fly ash which has beenprepared with NaOH 1: 1.2 and in aging for 8 hours and in the hydrothermal autoclave for 24 hours. The char-acter faujasite using XRD and Si / Al ratio produces crystallinity main peak of 67% and Si / Al ratio of 1.65.Hydrocracking process using a variety of 4 catalyst used fly ash leaching results, faujasite, Ni-Faujasite 2%, andNi-Faujasite 4%. Test the activity and selectivity of the catalyst to produce liquid product analyzed by GC-MSwith the best catalyst was Ni-Faujasite 4% to yield 42.34% of the activity and selectivity of biogasoline frac-tion of 7.12%. The impregnation of the nickel catalyst is made by soaking in salt of nickel and then oxidationusing O2 gas and reduction using H2 gas. The impregnation of nickel will affect the character of the catalystso that the activity and selectivity of the catalyst is changed. The impregnation of nickel 4% on faujasite suc-cessfully done with nickel content of 3.71%, increasing Si / Al ratio of 2.27 and an acidity of 0.0035 mol/g.
UJI AKTIVITAS KATALIS CLAY TERMODIFIKASI CU DALAM REAKSI HIDRORENGKAH SENYAWA 1-OKTADEKANOL Wiwit Puji Lestari; Donatus Setyawan Purwo Handoko; Yudi Aris Sulistiyo
Lembaran publikasi minyak dan gas bumi Vol 53 No 1 (2019)
Publisher : BBPMGB LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/LPMGB.53.1.367

Abstract

Telah dilakukan proses perengkahan secara katalitik senyawa 1-oktadekanol dengan katalis clay termodifikasi Cu. Hasil perengkahan dianalisis dengan menggunakan X-ray Flouresence (XRF), XRD, adsorpsi piridin dan BET. Katalis dimasukkan dan dipanaskan dalam tabung reaktor, umpan dimasukkan dan dipanaskan pada tabung terpisah sampai berubah menjadi uap sambil dialiri gas H­2. Cairan hasil perengkahan selanjutnya dianalisis dengan menggunakan GC-MS. Hasil karakterisasi menunjukkan penurunan rasio Si/Al dari katalis clay menjadi clay termodifikasi Cu, sedangkan % kandungan Cu dalam katalis meningkat sebesar 7.39%. Struktur kristal kedua katalis hampir sama, namun muncul beberapa puncak baru yang menunjukkan bahwa logam Cu berhasil dimodifikasikan.  Keasaman katalis muncul pada daerah 1638,6 dan 1627,03 cm-1 yang menunjukkan jenis asam bronsted.  Luas permukaan dan volume pori katalis mengalami kenaikan walau sangat kecil yaitu berturut-turut 45.719 dan 0.009. Aktivitas katalis baik katalis clay dan clay termodifikasi Cu kurang baik, dimana produk yang dihasilkan >C12 lebih banyak daripada C6-C12.
Co-Authors Nehemia Fernandes Kristianto Triyono Wahid Hasyim Wiwit Puji Lestari Wiwit Puji Lestari Wuryati Handayani Yudi Aris Sulistiyo