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Hussein, Mamdouh, Zaki, Ayman, Abdel-Raouf, Neveen, Alsamhary, Khawla, Fathy, Wael, Abdelhameed, Mohamed, Elsayed, Khaled. (1400). Flocculation of microalgae using calcium oxide nanoparticles; process optimization and characterization. نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 14(1), 63-70. doi: 10.22034/iar.2022.1943339.1206
Mamdouh Hussein; Ayman Zaki; Neveen Abdel-Raouf; Khawla Alsamhary; Wael Fathy; Mohamed Abdelhameed; Khaled Elsayed. "Flocculation of microalgae using calcium oxide nanoparticles; process optimization and characterization". نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 14, 1, 1400, 63-70. doi: 10.22034/iar.2022.1943339.1206
Hussein, Mamdouh, Zaki, Ayman, Abdel-Raouf, Neveen, Alsamhary, Khawla, Fathy, Wael, Abdelhameed, Mohamed, Elsayed, Khaled. (1400). 'Flocculation of microalgae using calcium oxide nanoparticles; process optimization and characterization', نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 14(1), pp. 63-70. doi: 10.22034/iar.2022.1943339.1206
Hussein, Mamdouh, Zaki, Ayman, Abdel-Raouf, Neveen, Alsamhary, Khawla, Fathy, Wael, Abdelhameed, Mohamed, Elsayed, Khaled. Flocculation of microalgae using calcium oxide nanoparticles; process optimization and characterization. نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 1400; 14(1): 63-70. doi: 10.22034/iar.2022.1943339.1206

Flocculation of microalgae using calcium oxide nanoparticles; process optimization and characterization

International Aquatic Research
دوره 14، شماره 1، خرداد 2022، صفحه 63-70    اصل مقاله (1.09 M)
نوع مقاله: Original research
شناسه دیجیتال (DOI): 10.22034/iar.2022.1943339.1206
نویسندگان
Mamdouh Hussein1؛ Ayman Zaki2؛ Neveen Abdel-Raouf3؛ Khawla Alsamhary3؛ Wael Fathy* 1؛ Mohamed Abdelhameed1؛ Khaled Elsayed1
1Botany and Microbiology Department, Faculty of Science, Beni-Suef University 62511, Egypt
2Materials Science and Nanotechnology Department, Faculty of Postgraduate Studies for Advanced Sciences, Beni-Suef University 62511, Egypt
3Department of Biology, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj, 11942, Saudi Arabia
چکیده
The massive energy required for biomass gathering makes current commercial microalgal biofuel manufacturing economically unsustainable. A present harvesting method is provided as an inexpensive and energy-efficient way; nano-flocculation by employing nanoparticles to concentrate and flocculate microalgae of interest. In this study, we used calcium oxide nanoparticles (CaONPs) derived from waste products of the Fayoum Sugar Factory (FSF) as a low-cost flocculent for a microalgae flocculation process that was tuned using three control parameters: temperature, flocculent dose, and medium pH values. Furthermore, FSF wastewater was employed as a nourishment source for microalgae production. FT-IR, X-RD, Zeta potential, and TEM were used to further identify and characterize CaONPs. According to the current data, using CaONPs under the best conditions for algae harvesting (pH 9.8 and temperature 45 °C with 250 mg/L) resulted in 99.3% algal coagulation. The advantages of the current method are that it is safe, rapid, does not require the addition of chemicals, is simple and effective, sustainable, and is cost-efficient because there are no costs associated with pre-treatment of the biomass.
کلیدواژه‌ها
Microalgae؛ Nano-flocculation؛ Biomass harvesting؛ Calcium oxide nanoparticles؛ Microalgae cultivation
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