Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
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@article{JKSA18794, author = {Sugiarti Norvia and Suhartana Suhartana and Pardoyo Pardoyo}, title = {Dealuminasi Zeolit Alam Menggunakan Asam (HCl dan H2SO4) untuk Katalis pada Proses Sintesis Biodiesel}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {19}, number = {2}, year = {2016}, keywords = {zeolit; dealuminasi; katalis; minyak jelantah; biodiesel; GC-MS}, abstract = {Telah dilakukan dealuminasi zeolit alam menggunakan asam (HCl dan H 2 SO 4 ) untuk katalis pada proses sintesis biodiesel. Zeolit dianalisis dengan AAS dan FTIR serta uji aktivitas katalis pada sintesis biodiesel dengan metode GC-MS. Didapatkan bahwa H 2 SO 4 lebih efektif mendealuminasi zeolite dibandingkan dengan HCl. Hasil spektrogram FTIR menunjukkan bahwa proses dealuminasi asam mengakibatkan perubahan bilangan gelombang dan rasio Si/Al yang cukup signifikan, di mana pada rasio Si/Al zeolit meningkat dari 4,57 menjadi 5,41 pada zeolit alam dealuminasi HCl dan menjadi 6,42 pada zeolit alam dealuminasi H 2 SO 4 . Zeolit terdealuminasi mampu bekerja sebagai katalis dalam sintesis biodiesel di mana katalis zeolit dealuminasi H 2 SO 4 menghasilkan metil ester dengan senyawa dominan asam 9-oktadekenoat dengan persentase luas area sebesar 63,21% lebih banyak dibandingkan pada katalis zeolit dealuminasi HCl dan zeolite belum didealuminasi.}, issn = {2597-9914}, pages = {72--76} doi = {10.14710/jksa.19.2.72-76}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/18794} }
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