OPTIMALISASI MINYAK BIJI KARET MENJADI FRAKSI BAHAN BAKAR CAIR MENGGUNAKAN KATALIS ZEOLIT Y DAN ZEOLIT Y YANG TEREMBANKAN LOGAM CO MELALUI PROSES CATALYTIC HYDROCRACKING

LINDAWATI, POPPY (2018) OPTIMALISASI MINYAK BIJI KARET MENJADI FRAKSI BAHAN BAKAR CAIR MENGGUNAKAN KATALIS ZEOLIT Y DAN ZEOLIT Y YANG TEREMBANKAN LOGAM CO MELALUI PROSES CATALYTIC HYDROCRACKING. Undergraduate thesis, UNIMED.

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Abstract

Telah dilakukan penelitian produksi fraksi bahan bakar cair minyak biji karet melalui reaksi Catalytic Hydrocracking menggunakan katalis Zeolit Y dan logam Co yang diembankan pada Zeolit Y. Impregnasi logam Co pada sampel ZY dilakukan dengan menggunakan larutan garam presekutor yaitu (Co(NO3)2.H2O). Karakterisasi katalis meliputi penentuan kristalinitas menggunakan X-Ray Diffraction (XRD) dan penentuan luas permukaan, volume pori dan rerata jari pori dengan metode BET menggunakan Gas Sorption Analyzer NOVA. Hasil karakterisasi katalis dengan XRD menunjukkan bahwa zeolit sebelum dan sesudah pengembanan tidak mengalami perubahan struktur kristalinitas pada material katalis. Hasil karakterisasi dengan metode BET pada katalis ZY dan Co/ZY menunjukkan bahwa luas permukaan, volume pori dan rerata jari pori mengalami peningkatan seiring dengan adanya proses pengembanan logam. Hydrocracking minyak biji karet secara katalitik dilakukan dengan menggunakan reaktor system semiflow jenis fixed-bed yang terbuat dari stainless steel pada variasi suhu 400oC, 450oC dan 500oC dengan rasio katalis : umpan yaitu 1:6. Hasil penelitian menunjukkan produk yang dihasilkan dari proses catalytic hydrocracking dari minyak biji karet berupa produk cair, kokas dan gas. Produk cair hasil proses catalytic hydrocracking dianalisis dengan menggunakan instrumen Gas Chromatogaphy (GC), dimana produk cair terdiri dari fraksi bensin/gasoline (C5-C12), solar/diesel (C13-C20), dan minyak berat (>C20). Konversi produk cair terbanyak yang dihasilkan pada suhu 500oC dengan katalis ZY sebanyak 69% dan pada katalis Co/ZY sebanyak 59,6%. Sedangkan selektivitas produk cair yang paling besar diperoleh pada suhu 450oC dengan katalis ZY sebesar 20,99% dan katalis Co/ZY sebesar 74,75%. Pada suhu 500oC dilakukan proses hydrocracking dengan katalis regenerasi untuk membandingkan hasil konversi produk cair katalis awal dan setelah diregenerasi. Konversi produk cair hasil hydrocracking dengan katalis ZY regenerasi sebesar 34% dan katalis Co/ZY regenerasi sebesar 33,71%.

Item Type: Thesis (Undergraduate)
Additional Information: SK-2018 KIM 169
Uncontrolled Keywords: Minyak Biji Karet; degumming; catalytic hydrocracking; ZY dan Co/ZY
Subjects: L Education > LB Theory and practice of education
Q Science > QD Chemistry
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam > Kimia
Depositing User: Mr Renaldi Syafaruddin Akbar
Date Deposited: 21 Feb 2019 14:20
Last Modified: 05 Mar 2019 07:08
URI: https://digilib.unimed.ac.id/id/eprint/32183

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