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All Journal JURNAL KESEHATAN LINGKUNGAN: Jurnal dan Aplikasi Teknik Kesehatan Lingkungan Jurnal Teknologi
Zahra Fona
Politeknik Negeri Lhokseumawe
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Mechanical Engineering Public Health

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Journal : Jurnal Teknologi

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Pemurnian Bioetanol Dari Limbah Kulit Kopi Dengan Menggunakan Zeolit Alam dan Batu Gamping Sri Mutia Heriwati; Zahra Fona; Adriana Adriana
Jurnal Teknologi Vol 21, No 2 (2021): Oktober 2021
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (171.579 KB) | DOI: 10.30811/teknologi.v21i2.2428

Abstract

In this research, zeolites were used to increase the levels of ethanol distillation process results of laboratory Department of Chemical Engineering Politeknik Negeri Lhokseumawe. Ethanol yield after distillation process only reaches 20.66%, to increase the concentration of ethanol used advanced treatment is by the adsorption method. The results were obtained optimum ethanol concentration, ie 38.67% with a contact time of 8 hours and 80 mesh size. the refractive index and density of 1.33960 and 0.798. bioethanol with 3 g of limestone can eliminate moisture content up to 29.36%; the activation treatment adsorption process of bioethanol with adsorbent zeolite, limestone, and limestone following the zeolite with Freundlich isotherm with adsorption capacity of each 4.5 mg / g; 5.7 mg / g; and 6.4 mg / g.
Co-Authors Adriana Adriana Eka Maryan Putri Muhammad Hidayat Muhammad Razi Raudah Raudah Sri Mutia Heriwati Ummi Habibah Zuhra Amalia