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Galuh Wirama Murti
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Scale Up of Biogas Starter Production: Enrichment of Activated Sludge from Biogas for Bio-Hydrogen Production Septina Is Heriyanti; Joni Prasetyo; Galuh Wirama Murti; Atti Sholihah; Arya Bhaskara Adiprabowo
Jurnal Ilmiah Teknik Kimia Vol 5, No 2 (2021): JURNAL ILMIAH TEKNIK KIMIA
Publisher : Program Studi Teknik Kimia, Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/jitk.v5i2.11101

Abstract

POME as liquid waste from palm oil processing has a high organic content so it is suitable for anaerobic digestion process to produce biogas and bio-hydrogen. This study aims to prepare activated sludge from biogas starter which will be used for bio-hydrogen production. The production of biogas starter with cow dung using POME as feed and the addition of nutrients (urea and DAP) at a certain ratio and buffer (soda ash) was carried out in a fermenter with a capacity of 1 m3 using a fed batch system. During one month of fermentation, methane concentration in biogas increased and stabilized until it reached the highest concentration at 33,7%. The fermentation process also produces hydrogen whose concentration decreases with time because hydrogen-producing microbes are dominant at the beginning of the fermentation, but then the hydrogen produced was consumed by methanogenic bacteria to produce CO2 and CH4. This confirmed that the activated sludge produced from the 1 m3 fermenter contained hydrogen-producing bacteria which were then further processed, one of which was heating at a certain temperature, to suppress the growth of methanogenic bacteria.
Ulasan Teknologi Pretreatment Terkini Limbah Cair POME Sebagai Umpan Digester Biogas Galuh Wirama Murti; Astri Pertiwi; Imron Masfuri; Asmi Rima Juwita; Arya Bhaskara Adiprabowo; Ridho Dwimansyah; Semuel Pati Senda; Dwi Husodo Prasetyo
JTERA (Jurnal Teknologi Rekayasa) Vol 4, No 1: June 2019
Publisher : Politeknik Sukabumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31544/jtera.v4.i1.2019.17-28

Abstract

Pengolahan anaerob merupakan teknologi efektif yang murah untuk mengolah limbah cair kelapa sawit (POME) menjadi biogas yang dapat dijadikan bahan bakar atau listrik. Yield biogas dapat ditingkatkan dengan menerapkan teknik pretreatment limbah POME sebelum menuju digester. Umumnya, teknik pretreatment ini adalah tahapan hidrolisis yang merupakan tahap pertama dari produksi biogas. Tujuan dari pretreatment ini untuk memecah padatan atau gumpalan komponen agar lebih mudah dicerna oleh bakteri. Studi ini berisi ulasan perbandingan keunggulan dan kelemahan beberapa metode pretreatment terkini termasuk dengan evaluasi biaya operasional yang sesuai untuk diaplikasikan pada pengolahan pretreatment limbah POME di PKS Sei Pagar. Berdasarkan hasil seleksi, teknik pretreatment dengan karakteristik limbah POME yang memiliki biaya operasional relatif rendah yaitu teknik ultrasonik dan ozonasi.
Co-Authors Arya Bhaskara Adiprabowo Asmi Rima Juwita Astri Pertiwi Atti Sholihah Dwi Husodo Prasetyo Imron Masfuri Joni Prasetyo Ridho Dwimansyah Semuel Pati Senda Septina Is Heriyanti