کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7082573 | 1460004 | 2013 | 28 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Lutein recovery from Chlorella sp. ESP-6 with coagulants
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
تکنولوژی و شیمی فرآیندی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Lutein recovery from Chlorella sp. ESP-6 with coagulants Lutein recovery from Chlorella sp. ESP-6 with coagulants](/preview/png/7082573.png)
چکیده انگلیسی
Production of algal lutein included cell cultivation, biomass harvesting, cell wall disruption, and subsequent purification if needed. This work cultivated Chlorella sp. ESP-6 cells in photobioreactor to a biomass content of 1.1 g lâ1 and then the freezing-grinding, ultrasonic treatment (20 and 42 kHz) and microwave treatment were used to disrupt the cell walls for recover intracellular lutein. The grinding recovered more lutein than ultrasound or microwave pretreatment. Single coagulation using >30 mg lâ1 chitosan or dual-conditioning using 10 mg lâ1 polyaluminum chloride and 10 mg lâ1 chitosan effectively enhance sedimentation and membrane filtration efficiency of algal suspensions. However, the presence of coagulants lowers the lutein yield from algal biomass in the subsequent 20 kHz ultrasound treatment and purification process. Simulation results revealed affine adsorption of lutein onto chitosan molecules via hydroxyl-amine interaction. The possible drawback by pre-treatment stage should be considered together with the subsequent recovery stage in whole process assessment.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Bioresource Technology - Volume 139, July 2013, Pages 176-180
Journal: Bioresource Technology - Volume 139, July 2013, Pages 176-180
نویسندگان
Rhesa Pramudita Utomo, Yin-Ru Chang, Duu-Jong Lee, Jo-Shu Chang,