کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
23662 43460 2012 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Direct approach for bioprocess optimization in a continuous flat-bed photobioreactor system
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی بیو مهندسی (مهندسی زیستی)
پیش نمایش صفحه اول مقاله
Direct approach for bioprocess optimization in a continuous flat-bed photobioreactor system
چکیده انگلیسی

Application of photosynthetic micro-organisms, such as cyanobacteria and green algae, for the carbon neutral energy production raises the need for cost-efficient photobiological processes. Optimization of these processes requires permanent control of many independent and mutably dependent parameters, for which a continuous cultivation approach has significant advantages. As central factors like the cell density can be kept constant by turbidostatic control, light intensity and iron content with its strong impact on productivity can be optimized. Both are key parameters due to their strong dependence on photosynthetic activity.Here we introduce an engineered low-cost 5 L flat-plate photobioreactor in combination with a simple and efficient optimization procedure for continuous photo-cultivation of microalgae. Based on direct determination of the growth rate at constant cell densities and the continuous measurement of O2 evolution, stress conditions and their effect on the photosynthetic productivity can be directly observed.


► Flat-bed photobioreactor for cyanobacteria and green algae.
► Fully automated continuous cultivation system for phototrophic organisms (microalgae).
► Combined optimization of cell density and light input.
► Direct observation of stress conditions by simultaneous measurement of growth rate and oxygen evolution enables to minimize negative effects by photoinhibition.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Biotechnology - Volume 162, Issue 1, 30 November 2012, Pages 156–162
نویسندگان
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