Optimization of domestic waste water as a medium culture for Chlorella vulgaris
Publish place: National Conference on Optimal Water Consumption in the Industry Challenges and Solutions
Publish Year: 1394
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
OWCI01_029
تاریخ نمایه سازی: 16 اسفند 1394
Abstract:
Microalgae are regarded as promising feedstock for sustainable biofuel production, because of their high growth rates and high lipid contents. Moreover, compared with other oil crops, much less land is needed to culture microalgae. This study aimed to provide a cost effective medium to large scale production of Chlorella vulgaris. This intention was implemented by using waste water and adding Nitrogen for optimizing it. Three type of culture medium was chosen :Set I : Bold medium as control , Set II : sterilized raw waste water , Set III : sterilized waste water + Nitrogen source of Bold medium(same concentration). The alga was grown for 6 weeks at 25 ± 2 C, pH :6.8-7. The growth characteristics: optical density (at 680 nm) and Chlorophyll - a of the alga grown in these media were measured. The results revealed that maximum amount of optical density and content Chlorophyll by value (2.28 , 20.5 μg/ml) was in Set III. Our results indicate that among These media, Set III was the best for growing algae and affordable
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Authors
Elaheh sadat Razavi
Master of plant physiology, University of Isfahan
Abbas Almodares
Professor of plant physiology, University of Isfahan
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