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      Produksi Biogas dari Limbah Cair Tahu dengan Nanopartikel Kalsium

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      Date
      2021
      Author
      Attar, Zia Rausyanfikr
      Kurniati, Mersi
      Sari, Yessie Widya
      Widyarani
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      Abstract
      Peningkatkan produksi biogas dan metana dari campuran limbah cair tahu dan probiotik (berupa fermentasi air kelapa) dengan tambahan nanopartikel kalsium berupa Ca(OH)2 telah dilakukan. Ca(OH)2 diperoleh dengan proses kalsinasi cangkang telur ayam (CTA) pada suhu 1000 °C selama 5 jam dan digunakan agar kondisi lingkungan substrat menjadi sesuai untuk mendegradasi bahan organik dari campuran limbah cair tahu dan probiotik menjadi biogas. Serbuk kalsinasi CTA bereaksi dengan uap air di udara sehingga membentuk Ca(OH)2. Lalu serbuk CTA dimilling selama 1 jam dengan kecepatan 700 rpm, kemudian dikarakterisasi dengan XRD dan SEM-EDS. Hasilnya menunjukkan bahwa pola XRD serbuk CTA cocok dengan pola XRD Ca(OH)2. Selain itu, citra SEM menunjukkan bahwa morfologi Ca(OH)2 berbentuk tidak beraturan. Karakterisasi EDS menunjukkan bahwa unsur kalsium dan oksigen terdeteksi pada sampel dengan sedikit unsur pengotor. Proses fermentasi anerobik dilakukan selama 30 hari, sampel 5 NP (ditambahkan serbuk Ca(OH)2 sebanyak 5 g/L ke dalam campuran) menghasilkan produksi metana tertinggi sebesar 64,17% dari total seluruh volume biogas.
       
      Improving the production of biogas and methane from a mixture of tofu wastewater and probiotic (in the form of coconut water fermentation) with the addition of calcium nanoparticles in the form of Ca(OH)2 has been carried out. Ca(OH)2 was obtained by calcining chicken eggshells (CTA) at a temperature of 1000 °C for 5 hours and used to make the substrate environmental conditions suitable for degrading organic matter from a mixture of tofu wastewater and probiotics into biogas. The CTA calcined powder reacts with water vapor in the air to form Ca(OH)2. Afterwards, the CTA powder was milled for 1 hour at 700 rpm, then characterized by XRD and SEM-EDS. The results showed that the XRD pattern of CTA powder matched the XRD pattern of Ca(OH)2. Besides that, SEM images show that the morphology of Ca(OH)2 is irregular. The EDS characterization showed that calcium and oxygen elements were detected in samples with few impurities. The anerobic fermentation process was carried out for 30 days, 5 NP samples (added 5 g/L of Ca(OH)2 powder to the mixture) resulted the highest methane production of 64,17% from the total volume of biogas.
       
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      http://repository.ipb.ac.id/handle/123456789/107668
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      • UT - Physics [1233]

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      Copyright © 2020 Library of IPB University
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      Indonesia DSpace Group 
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