Pengambilan Kembali Vanadium Pentaoksida dari Katalis Bekas

  • Lienda Aliwarga Institut Teknologi Bandung
  • Tatang Hernas Soerawidjaja Institut Teknologi Bandung
  • Agnes Veronica Victoria Institut Teknologi Bandung
  • Reynard . Institut Teknologi Bandung

Abstract

Katalis vanadium bekas diperkirakan akan menjadi salah satu sumber utama persediaan vanadium di masa mendatang. Hasil analisis vanadium dalam katalis vanadium bekas menunjukkan bahwa kadar V2O5 nyamasih cukup banyak untuk diambil dan diolah kembali. Dalam penelitian ini, suatu prosedur telah dikembangkan untuk mengesktraksi vanadium dari katalis vanadium bekas berdasarkan prosedur yang dikembangkan oleh peneliti terdahulu. Katalis vanadium bekas uji coba prosedur menunjukkan bahwa metode gabungan ekstraksi vanadium dari katalis vanadium bekas menggunakan pelarut basa Na2CO3 dan H2O2 pada umpan (tahap ekstraksi pertama) dan NaOH (tahap ekstraksi kedua) yang diikuti dengan netralisasi filtrat dengan asam H2SO4  merupakan prosedur terbaik. Lebih lanjut, terdapat tiga variabel yang sangat berpengaruh dalam pengambilan kembali vanadium dari katalis vanadium bekas, yang ditandai dengan nilai probability of being active di atas 50%. Ketiga variabel tersebut adalah temperatur pengadukan pada tahap ekstraksi II, penambahan larutan H2O2 di umpan dan waktu pengadukan pada tahap ekstraksi I dengan nilai probability of being active secara berturut-turut sebesar 100%, 86%, dan 56%. Untuk mendapatkan perolehan vanadium yang lebih tinggi perlu diadakan penelitian lanjutan yang mengoptimumkan  variabel-variabel tersebut.

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Published
2018-12-21
How to Cite
ALIWARGA, Lienda et al. Pengambilan Kembali Vanadium Pentaoksida dari Katalis Bekas. Jurnal Teknik: Media Pengembangan Ilmu dan Aplikasi Teknik, [S.l.], v. 17, n. 2, p. 76-83, dec. 2018. ISSN 2580-2615. Available at: <http://jurnalteknik.unjani.ac.id/index.php/jt/article/view/87>. Date accessed: 16 dec. 2019. doi: https://doi.org/10.26874/jt.vol17no2.87.