CHEMICA Jurnal Teknik Kimia
Vol 6, No 2 (2019): Desember 2019

Pemisahan Hidrokarbon dalam Limbah Katalis Asam (Spent Acid) Proses Alkilasi Olefin dan Isoparafin dengan Proses Presipitasi

Elda Melwita (Jurusan Teknik Kimia Universitas Sriwijaya)
Syukron Habibie (Universitas Sriwijaya)
Abdul Apandi (Universitas Sriwijaya)



Article Info

Publish Date
17 Dec 2019

Abstract

Alkylation of olefin and isoparaffin produces spent acid waste containing high concentration of hydrocarbon. The content of sulphuric acid and hydrocarbon in spent acid put this waste into hazardous waste classification, therefore must be treated to avoid environmental pollution. Hydrocarbon separation can be carried out using precipitation. Two precipitation methods were applied to precipitate hydrocarbon, namely neutralization, and antisolvent precipitation. Neutralization was conducted using NaOH, CaCO3, and CaO. Meanwhile, antisolvent precipitation was performed using water. Precipitation of hydrocarbon using CaCO3 and CaO showed very satisfying results. On the other hand, NaOH was failed to precipitate hydrocarbon. Hydrocarbon was also precipitated using water as antisolvent at ratio of spent acid:water (g/ml) of 200.

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Journal Info

Abbrev

CHEMICA

Publisher

Subject

Chemical Engineering, Chemistry & Bioengineering Energy

Description

CHEMICA Jurnal Teknik Kimia ISSN, 2355-875X (print) 2355-8776 (online) is a journal that publishes manuscripts or scientific papers in Chemical Engineering. The scope of this journal covers chemical reaction techniques, separation, optimization, process control, process system engineering, waste ...