Poster OER - Ngành Quản lý tài nguyên môi trường

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https://oerrepository.ntt.edu.vn/handle/298300331/418

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    The study on carbon dioxide treatment in the exhaust gas from the mini engine by microalgae chlorella vulgaris combined tubular photobioreactor
    (Trường Đại học Nguyễn Tất Thành (Ngành Quản lý tài nguyên môi trường), 2024) Nguyen, Huu Tien; Thanh, Tran
    The problem of air pollution is growing and the impact is more obvious than ever, in which carbon dioxide - CO2 represents a series of problems that we are facing every day but have not yet been able to solve the problem. effective solutions. Currently, microalgae are known to be organisms capable of photosynthesis and use free CO2, bicarbonate ions, as a source of nutrients to grow. When microalgae grow in good environmental conditions, it will not only bring about efficiency. CO2 treatment results but also to obtain algal biomass for many other applications. This study designed experiments using a tubular algae culture system using Tubular photobioreactor technology to evaluate the ability of microalgae Chlorella vulgaris to grow and absorb emissions. Microalgae were evaluated for their ability to grow under the conditions of natural gas supply (G1 stage), and under the condition of exhaust gas supplied from mini motorcycle engines (G2 and G3 stages) with each stage of about 30 days. Indicators such as pH, DO, N-NO3-, N-NO2-, N-NH4+, Total Nitrogen, TSS biomass, P-PO43-, Alkalinity were assessed with a frequency of 3-5 times/week. Preliminary results show that the Tubular photobioreactor model system has provided a stable growth environment for microalgae in both the natural gas and exhaust gas phases. When through the system, microalgae have reduced pollution by 30-40% of input emissions and algae have also taken advantage of CO2 to grow good biomass.