Studi Reaksi Konversi Katalisis 2-Propanol Menggunakan Katalis dan Pendukung Katalis γ-Al2O3

Widajanti Wibowo; Sunardi Sunardi; Indra Yulia

doi:10.9767/bcrec.2.2-3.7131.56-61

DOI: https://doi.org/10.9767/bcrec.2.2-3.7131.56-61

Studi Reaksi Konversi Katalisis 2-Propanol Menggunakan Katalis dan Pendukung Katalis γ-Al2O3

Widajanti Wibowo , Sunardi Sunardi, Indra Yulia

Departemen Kimia Fakultas Matematik dan Pengetahuan Alam, Universitas Indonesia, Kampus Depok, Depok, Indonesia

Received: 18 Apr 2007; Revised: 15 Oct 2007; Accepted: 15 Oct 2007; Published: 15 Oct 2007.

Editor(s): Istadi Istadi

This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

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BibTex Citation Data :

@article{BCREC19721,
    author = {Widajanti Wibowo and Sunardi Sunardi and Indra Yulia},
    title = {Studi Reaksi Konversi Katalisis 2-Propanol Menggunakan Katalis dan Pendukung Katalis γ-Al2O3},
    journal = {Bulletin of Chemical Reaction Engineering & Catalysis},
  volume = {2},
    number = {2-3},
    year = {2007},
    keywords = {konversi katalisis 2-propanol ; γ-Al2O3 ; katalis basa Mg-Al Hidrotalsit; katalis superbasa γ- Al2O3-NaOH-Na},
    abstract = {Katalis padatan basa belum digunakan secara luas bila dibandingkan dengan penggunaan katalis padatan asam, meskipun katalis padatan basa secara efisien juga mampu berperan dalam reaksi-reaksi seperti alkilasi, kondensasi, isomerisasi dan lain-lain. Pada penelitian ini dilakukan studi reaksi konversi katalisis 2-propanol menggunakan katalis padatan basa Mg-Al-Hidrotalsit dan katalis padatan superbasa g-Al2O3-NaOH-Na yang dibandingkan dengan katalis γ-Al2O3. Reaksi katalisis dilakukan dalam fase gas dengan variasi suhu dari 175oC sampai suhu 300oC, menggunakan katalis seberat 3 gram. Produk reaksi katalisis dianalisis dengan kromatografi gas, yang dirangkai secara on-line dengan reaktor katalisis. Propilen dan aseton merupakan produk-produk primer reaksi konversi yang mudah bereaksi lebih lanjut menghasilkan produk-produk sekunder yang stabil. Katalis γ-Al2O3 hanya mengkonversi 2-propanol menjadi propilen, karena sifat basanya tidak cukup kuat untuk mendorong reaksi dehidrogenasi 2-propanol menjadi aseton. Katalis Mg-Al-hidrotalsit mengkonversi hampir 100% 2-propanol menjadi propilen pada suhu 175oC dan menghasilkan aseton paling banyak pada 225oC dengan konversi produk sebesar 53,36 %, sedangkan dengan katalis superbasa γ-Al2O3-NaOH-Na diperoleh konversi aseton sebesar 66,0% pada 225oC. Produ-produk sekunder hasil konversi 2-propanol dengan katalis Mg-Al-hidrotalsit secara batch diidentifikasi dengan GC-MS dan diperoleh senyawa yang dominan adalah 4-metil-2-pentanol dan 3,3,5-trimetil sikloheksanol.},
   issn = {1978-2993},   pages = {56--61}  doi = {10.9767/bcrec.2.2-3.7131.56-61},
    url = {https://journal.bcrec.id/index.php/bcrec/article/view/19721}
}

Citation Format:

Abstract

Katalis padatan basa belum digunakan secara luas bila dibandingkan dengan penggunaan katalis padatan asam, meskipun katalis padatan basa secara efisien juga mampu berperan dalam reaksi-reaksi seperti alkilasi, kondensasi, isomerisasi dan lain-lain. Pada penelitian ini dilakukan studi reaksi konversi katalisis 2-propanol menggunakan katalis padatan basa Mg-Al-Hidrotalsit dan katalis padatan superbasa g-Al2O3-NaOH-Na yang dibandingkan dengan katalis γ-Al2O3. Reaksi katalisis dilakukan dalam fase gas dengan variasi suhu dari 175oC sampai suhu 300oC, menggunakan katalis seberat 3 gram. Produk reaksi katalisis dianalisis dengan kromatografi gas, yang dirangkai secara on-line dengan reaktor katalisis. Propilen dan aseton merupakan produk-produk primer reaksi konversi yang mudah bereaksi lebih lanjut menghasilkan produk-produk sekunder yang stabil. Katalis γ-Al2O3 hanya mengkonversi 2-propanol menjadi propilen, karena sifat basanya tidak cukup kuat untuk mendorong reaksi dehidrogenasi 2-propanol menjadi aseton. Katalis Mg-Al-hidrotalsit mengkonversi hampir 100% 2-propanol menjadi propilen pada suhu 175oC dan menghasilkan aseton paling banyak pada 225oC dengan konversi produk sebesar 53,36 %, sedangkan dengan katalis superbasa γ-Al2O3-NaOH-Na diperoleh konversi aseton sebesar 66,0% pada 225oC. Produ-produk sekunder hasil konversi 2-propanol dengan katalis Mg-Al-hidrotalsit secara batch diidentifikasi dengan GC-MS dan diperoleh senyawa yang dominan adalah 4-metil-2-pentanol dan 3,3,5-trimetil sikloheksanol.

Keywords: konversi katalisis 2-propanol ; γ-Al2O3 ; katalis basa Mg-Al Hidrotalsit; katalis superbasa γ- Al2O3-NaOH-Na

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In 2007: BCREC: Volume 2 Issues 2-3 Year 2007 (October 2007)

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