Shanghai Lianhuan Chuangmei Environmental Technology Co.Ltd., Shanghai, 200234, China.
College of Biological Chemical Science and Engineering, Jiaxing University, Jiaxing, 314001, China.
Sci Rep. 2018 May 17;8(1):7786. doi: 10.1038/s41598-018-26141-w.
The effects of five different microalgae-fungi on nutrient removal and CO removal were investigated under three different CO contents (35%, 45% and 55%). The results showed that the highest nutrient and CO removal efficiency were found at 55% CO by cocultivation of different microalgae and fungi. The effect of different initial CO concentration on the removal of CO from microalgae was significant, and the order of CO removal efficiency was 55% (v/v) >45% (v/v) >35% (v/v). The best nutrient removal and biogas purification could be achieved by co-cultivation of C. vulgaris and G. lucidum with 55% initial CO content. The maximum mean COD, TN, TP and CO removal efficiency can reach 68.29%, 61.75%, 64.21% and 64.68%, respectively under this condition. All highest COD, TN, TP and CO removal efficiency were more than 85%. The analysis of energy consumption economic efficiency revealed that this strategy resulted in the highest economic efficiency. The results of this work can promote simultaneously biological purification of wastewater and biogas using microalgal-fungal symbiosis.
研究了三种不同 CO 含量（35%、45%和 55%）下五种不同微藻-真菌对营养物质去除和 CO 去除的影响。结果表明，不同微藻和真菌共培养时，CO 含量为 55%时营养物质和 CO 去除效率最高。不同初始 CO 浓度对微藻 CO 去除的影响显著，CO 去除效率的顺序为 55%（v/v）>45%（v/v）>35%（v/v）。在初始 CO 含量为 55%的条件下，通过共培养 C. vulgaris 和 G. lucidum 可以实现最佳的营养物质去除和沼气净化。在此条件下，最大平均 COD、TN、TP 和 CO 去除效率分别可达 68.29%、61.75%、64.21%和 64.68%。所有最高的 COD、TN、TP 和 CO 去除效率均超过 85%。能源消耗经济效率分析表明，该策略的经济效益最高。这项工作的结果可以促进微藻-真菌共生体同时进行废水的生物净化和沼气的产生。
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