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All Journal JURNAL ILMIAH KESEHATAN SANDI HUSADA Automotive Experiences Jurnal Ilmiah Kesehatan Sandi Husada
Paulina Taba
Universitas Hasanuddin, Indonesia
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Electrical & Electronics Engineering Energy Health Professions Materials Science & Nanotechnology Mechanical Engineering Nursing Public Health

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Isolation Protein Hidrolyzat from Microalga Nitzschia sp. as A new Antimicrobial Sakinah Nur Fadillah; Ahyar Ahmad; Hasnah Natsir; FAbdul Karim; Paulina Taba
Jurnal Ilmiah Kesehatan Sandi Husada Vol 10 No 2 (2021): Jurnal Ilmiah Kesehatan Sandi Husada
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat Akademi Keperawatan Sandi Karsa (Merger) Politeknik Sandi Karsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35816/jiskh.v10i1.1147

Abstract

Microbial Fuel Cell (MFC) is a device that converts chemical energy to electrical energy through microbial metabolism. This research aimed to investigate the effect of electrolyte solution on electricity production and determine the content of bioethanol using Gas Chromatography-Mass Spectrometry (GC-MS) and refractometer through the fermentation process using Saccharomyces cerevisiae in molasses substrate. The method of this research uses a double chamber consisting of an anode and a cathode chambers connected through a proton exchange membrane (PEM). This research showed that the addition of KMnO4 0.2 M electrolyte solution generated a maximum current of 1.20 mA and a voltage of 480 mV with a power density of 2935 mW/cm2 resulted in a higher power density value than the addition of K3(Fe(CN)6 0.2 M electrolyte solution which only generated a maximum current of 1.65 mA and a voltage of 320 mV with a power density of 2690 mW/cm2. The results of the GC-MS analysis showed the presence of bioethanol and resulting bioethanol levels is 28.44%. The MFC system with molasses substrate has the potential to generate electricity and produce bioethanol at the same time
Isolation Protein Hidrolyzat from Microalga Nitzschia sp. as A new Antimicrobial Sakinah Nur Fadillah; Ahyar Ahmad; Hasnah Natsir; FAbdul Karim; Paulina Taba
Jurnal Ilmiah Kesehatan Sandi Husada Vol 10 No 2 (2021): Jurnal Ilmiah Kesehatan Sandi Husada
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat Akademi Keperawatan Sandi Karsa (Merger) Politeknik Sandi Karsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35816/jiskh.v10i1.1147

Abstract

Microbial Fuel Cell (MFC) is a device that converts chemical energy to electrical energy through microbial metabolism. This research aimed to investigate the effect of electrolyte solution on electricity production and determine the content of bioethanol using Gas Chromatography-Mass Spectrometry (GC-MS) and refractometer through the fermentation process using Saccharomyces cerevisiae in molasses substrate. The method of this research uses a double chamber consisting of an anode and a cathode chambers connected through a proton exchange membrane (PEM). This research showed that the addition of KMnO4 0.2 M electrolyte solution generated a maximum current of 1.20 mA and a voltage of 480 mV with a power density of 2935 mW/cm2 resulted in a higher power density value than the addition of K3(Fe(CN)6 0.2 M electrolyte solution which only generated a maximum current of 1.65 mA and a voltage of 320 mV with a power density of 2690 mW/cm2. The results of the GC-MS analysis showed the presence of bioethanol and resulting bioethanol levels is 28.44%. The MFC system with molasses substrate has the potential to generate electricity and produce bioethanol at the same time
Optimization of the MCM-48 Synthesis Method as a Catalyst in the Esterification of Nyamplung Seed Oil into Biodiesel La Kolo; La Yusran La Kalamu; Nunuk Hariani Soekamto; Paulina Taba; St. Fauziah; Maming Maming; Muhammad Zakir
Automotive Experiences Vol. 7 No. 1 (2024)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.10570

Abstract

This study was conducted to synthesize MCM-48 based on the surfactants (cetyltrimethylammonium bromide (CTAB) and Triton X-100). The effect of surfactant on MCM-48 was studied in the esterification of nyamplung seed oil. Optimization of the amount of surfactant in the MCM-48 catalyst in the esterification of nyamplung seed oil was carried out by washing and calcination methods. Comparison of GC-MS method and acid-base titration was also studied to determine the activity of the MCM-48 catalyst in the esterification. The results of the Mann Whitney statistical test showed that there was no significant difference (Asymp. Sig. (2-tailed) = 0.967) for the two methods. The effect of the active site on the MCM-48 catalyst activity in the esterification was characterized by FTIR and XRD. The catalyst's activity is significantly influenced by both the percentage transmittance of the silanol active site and the surfactant removal method. The MCM-48 catalyst manufactured by calcination (CTAB-MCM-48/650) performed 12.31% better than the washing approach (CTAB-MCM-48/1w). However, the CTAB-MCM-48 catalyst can be applied to the simultaneous reaction (esterification and transesterification) of the conversion of nyamplung seed oil into biodiesel.
Co-Authors Ahyar Ahmad FAbdul Karim Hasnah Natsir La Kolo La Yusran La Kalamu Maming Maming Muhammad Zakir Nunuk Hariani Soekamto Sakinah Nur Fadillah St. Fauziah