Abstract：
:A two-stage process, composed of growth under nutrient-rich conditions followed by cultivation under nitrogen starvation and controlled conditions of phosphate, light intensity, aeration, and carbon sources was applied for lipid production by the green alga Chlorella vulgaris. Using conditions without addition of nitrogen, 2mg/L PO(4)-P, light intensity of 100μmol/m(2)/s and 0.25vvm of air, about 43% of dry cell weight accumulated as lipids after 12h, which equates to a lipid productivity of 77.8mg/L/d. In a medium containing 5mg/L NO(3)-N and 2mg/L PO(4)-P, and at a light intensity of 100μmol/m(2)/s and 0.25vvm of 2% CO(2), about 53% of dry cell weight consisted of lipids after 24h, representing a lipid productivity of 77.1mg/L/d. The low amount of nutrients, moderate aeration and light intensity were helpful for increasing lipid productivity.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Mujtaba G,Choi W,Lee CG,Lee Kdoi
10.1016/j.biortech.2012.07.057subject
Has Abstractpub_date
2012-11-01 00:00:00pages
279-83eissn
0960-8524issn
1873-2976pii
S0960-8524(12)01104-2journal_volume
123pub_type
杂志文章abstract：:The aim of this work was to study the combined relationships between biological and chemical parameters with the humification index (HI) and degree of polymerisation (DP) during the composting of a municipal solid waste. During the composting, biological parameters increased during the first 15 days. After the second ...
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