KURNIA, REZA EKA (2023) PENGARUH KECEPATAN DAN WAKTU PENGADUKAN DALAM PEMURNIAN GLISEROL DENGAN PROSES ASIDIFIKASI ASAM FOSFAT. S1 thesis, Universitas Muhammadiyah Purwokerto.

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Abstract

The main by-products of biodiesel production are glycerol, excess methanol, alkaline catalysts and soap. It is estimated that the glycerol produced is 10-15% of its production capacity with a purity level of around 40-50%. Conversion of glycerol into other products needs to be done to avoid environmental problems. This problem has prompted researchers to conduct research on purifying glycerol as a by-product of biodiesel production. This study aims to investigate the effect of speed and stirring time on the purity of glycerol using the phosphoric acid acidification method. Stirring speed variable successively (rpm) 400,500,600,700, and 800 while stirring time variable successively (minutes) 20, 30, 40, 50, and 60 minutes. The best glycerol content data results, achieved at 600 rpm with a stirring time of 60 minutes with a content (26.7%). The effect of speed can be concluded that the effect of increasing the stirring speed on the glycerol content obtained and the length of time of stirring on the glycerol content has no effect on the glycerol content obtained. Based on the research results obtained, the glycerol levels obtained did not meet the standard parameters, so it is hoped that this can be used as a reference for further research to increase the purity of the glycerol obtained by using the adsorb method. Other research that is also needed is regarding the purification of potassium salts which are a by-product in the purification of glycerol.

Dosen Pembimbing: MULYADI, ABDUL HARIS | NIDN 0615106601
Item Type: Thesis (S1)
Uncontrolled Keywords: Glycerol, Phosphoric Acid, Purification, Acidification
Subjects: T Technology > TP Chemical technology
Divisions: Fakultas Tekniik Dan Sains > Teknik Kimia S1
Depositing User: Catur Indra Himawan
Date Deposited: 29 Mar 2023 01:46
Last Modified: 29 Mar 2023 01:46
URI: http://repository.ump.ac.id/id/eprint/15405

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