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Journal of Applied Sciences

Year: 2008 | Volume: 8 | Issue: 5 | Page No.: 763-771
DOI: 10.3923/jas.2008.763.771

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Authors


O. Akpolat

Country: Turkey

S. Eristurk

Country: Turkey

Keywords


  • microalgea
  • CMC
  • hydrodynamic stress
  • aeration rate
  • Heamatococcus pluvialis
  • Photobiorector
Research Article

Some Physical Parameters to Effect the Production of Heamatococcus pluvialis

O. Akpolat and S. Eristurk
The aim of this study is to optimize the physical parameters affecting the production of Heamatococcus pluvialis in photobioreactors and to simulate the process. Heamatococcus pluvialis is a green microalgea to have a great interest for production of natural astaxanthin and it can be cultivated in a closed photobioreactor system under controlled conditions. Biomass composition, growth rate and high value product spectra like polyunsaturated fatty acids, pigments, polysaccharides or vitamins depend on strongly the parameters of cultivation process. These are composition of cultivation medium, mixing model and aeration rate, hydrodynamic stress of medium which can be changed by adding some chemicals, cultivation temperature, pH, carbon dioxide and oxygen supply and most important of all: illumination. One of the most important problems during the cultivation is that cells have sensitivity to shear stress very much and the shear stress created by aeration and mixing effects the growth rate of the cell negatively and decreases yield. In this study, physical parameters such as; the rate of the air fed into the reactor, the mixing type, the reduction of the hydrodynamic stress by CMC addition, the effect of the cell size on the cell production and the flocculation speed of the culture, were investigated.
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How to cite this article

O. Akpolat and S. Eristurk, 2008. Some Physical Parameters to Effect the Production of Heamatococcus pluvialis. Journal of Applied Sciences, 8: 763-771.

DOI: 10.3923/jas.2008.763.771

URL: https://scialert.net/abstract/?doi=jas.2008.763.771

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