Microalgae Biomass Productivity by CO2 Injection in Correlation with pH Variation in Photobioreactor  

Oleh:

Kristiawan, Onie

Jenis: Article from Journal - ilmiah nasional
Dalam koleksi: Lemigas Scientific Contributions to Petroleum Science & Technology vol. 37 no. 01 (Apr. 2014), page 57-62.
Topik: Microalgae; Scenedesmus.sp; CO2 Injection

Ketersediaan

Perpustakaan PKPM Nomor Panggil: L15 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Microalgae can bring solution for reducing CO2 and as alternative sustainable energy source. CO2 reduction by microalgae was done by fixation of CO2 during photosynthesis while they grow. The objective of the study is to get pH condition from CO2 injection into cultivated microalgae that gives better productivity of biomass. Microalga that used was Scenedesmus.sp. Scenedesmus.sp did grown better in Walne media on lab scale experiments. CO2 injection as pH control that gave the highest dry weight obtained on pH range value 7.0-7.5. As one of the controlling factor that determines the biological ability of microalgae in utilizing nutrient, pH value shows that at range of pH 8.0-8.5 and 9.0-9.5 can decrease photosynthetic process on microalgae Scenedesmus.sp. Thus the highest fixated CO2 also on pH value 7.0-7.5. This research give a brief explanation that in the range of pH 7.0-7.5 contain more CO2 than range pH 8.0-8.5 and 9.0-9.5. Culture temperature did not show any high fluctuation at morning and in the mid-day of treatment.

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