Pengaruh Loading Ni Pada Karakter,Aktivitas, Dan Satbilitas Katalis Ni-CeO2/MgO/Al2O3 Untuk Reaksi Oksidasi Parsial Metana

W. W. Purwanto; Slamet Slamet; E. Swarandani

doi:10.14710/reaktor.7.02.52-57

DOI: https://doi.org/10.14710/reaktor.7.02.52-57

Pengaruh Loading Ni Pada Karakter,Aktivitas, Dan Satbilitas Katalis Ni-CeO2/MgO/Al2O3 Untuk Reaksi Oksidasi Parsial Metana

*W. W. Purwanto - , Indonesia

Slamet Slamet - , Indonesia

E. Swarandani - , Indonesia

Published: 19 Jun 2017.

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Abstract

Reaksi oksidasi parsial metana mempunyai potensi menggantikan reaksi reformasi kukus untuk menghasilkan gas sintesis yang selama ini banyak digunakan yang prosesnya membutuhkan energy dan biaya yang besar. Reaksi parsial oksidasi metana merupakan reaksi eksotermis yang membutuhkan sedikit energy. Loading Ni yang rendah diharapkan dapat mengurangi pembentukan deposit karbon, tetapi tetap memiliki kinerja yang baik karena diameter partikel kecil dan disperse tinggi. Ni-CeO₂/MgO/Al₂O₃dengan loading Ni 3,5 dan 10% di@reparasi dengan metode preparasi sol gel-impregnasi. Karakterisasi yang dilakukan adalah, BET, XRD dan chemisorptions. Selanjutnya digunakan pada reaksi oksidasi parsial metana pada temperatur 800 ⁰C, tekanan atmosferik, rasio CH₄/O₂ sebesar 1,67 dan waktu tinggal 0,2 g.detik/l selama 8 jam reaksi. Loading Ni 5%menunjukkan aktivitas terbaik dengan konversi CH₄ sebesar 97,06%, selektivitas CO 73,14%, selektivitas H₂ 83,38% yield CO 70,99% yield H₂ 80,93% dan rasio H₂/CO 2,28. Uji stabilitas menunjukkan kestabilan selama 48 jam reaksi.

Kata kunci : gas sintesis, katalis, oksidasi parsial metana

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Keywords: gas sintesis, katalis, oksidasi parsial metana

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Section: Research Article

Language : INDONESIA

In Volume 07 No.2 Desember 2003

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