Pengaruh Jarak Penyekat dalam Fotobioreaktor Tubular terhadap Pertumbuhan Kultur Mikroalga Ankistrodesmus convulutus  

Oleh:

Chismadha, Tjandra

Jenis: Article from Journal - ilmiah nasional - tidak terakreditasi DIKTI
Dalam koleksi: Biota Jurnal Ilmiah Ilmu-ilmu Hayati vol. XII no. 1 (Feb. 2007), page 10-16.
Topik: Partition; tubular photobioreactor; microalga; Ankistrodesmus convulutus.

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: BB74 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

A series of partitions was constructed inside a vertical tubular photobioreactor to control the culture distribution in obtaining intermittent exposure to light area in the surface of the tubular column. A microalga, Ankistrodesmus convulutus, was grown in a batch mode in the reactor with PHM medium, light sources of fluorescent lamp 3x40 watt (I=5.500 lux on the surface of the turbular) and room temperature of 27-31'C. The experiment was carried out to study the influence of partition density which was constructed at varied distance of 1,2 and 3 inches on the growth and biochemical composition of the alga. A vertical tubular photobioreactor without partition was applied as the control. The partition density did not significantly affect the optical density achievement of the culture, but it significantly affected the biomass and chlorophyll concentration, as well as the protein/ carbohydrate ratio of the culture. It is believed that the intermittent exposure of alga cell to the light area leads to sincronization of the light and dark reaction of the photosynthesis, as well as to vapor the catalitic procceses to develop the functional cell structure.

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