CO<sub>2</sub>浓度对微藻-真菌共生体生物净化沼液沼气的影响

李先科; 卢贝; 许兵; 赵永军; 徐劼; 韦静

doi:10.13205/j.hjgc.202210012

CO₂浓度对微藻-真菌共生体生物净化沼液沼气的影响

doi: 10.13205/j.hjgc.202210012

李先科¹,
卢贝²,
许兵³,
赵永军²,
徐劼²,
韦静^4, ,

1. 聊城市科慧市政工程设计有限公司, 山东聊城 252000;
2. 嘉兴学院生物与化学工程学院, 浙江嘉兴 314001;
3. 山东建筑大学市政与环境工程学院, 济南 250101;
4. 嘉兴南湖学院新材料工程学院, 浙江嘉兴 314001

基金项目:

浙江省自然科学基金项目(LY16C030003,LQ17E080013)

嘉兴南湖学院重点项目(N41472001-43)

国家自然科学基金项目(31971514,31670511)

详细信息

作者简介:
李先科(1978-),男,高级工程师,主要研究方向为给水与排水。783058442@qq.com

通讯作者:
韦静(1979-),女,讲师,主要研究方向为生物对污染的响应、适应及降解。jing58er@163.com

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出版历程
- 收稿日期: 2022-02-17

EFFECT OF CO₂ CONCENTRATION ON SIMULTANEOUS PURIFICATION OF BIOGAS SLURRY AND BIOGAS BY MICROALGAE-FUNGI CO-CULTURE TECHNOLOGY

LI Xianke¹,
LU Bei²,
XU Bing³,
ZHAO Yongjun²,
XU Jie²,
WEI Jing^{4
, ,}

1. Liaocheng Kehui Municipal Engineering Design Co., Ltd, Liaocheng 252000, China;
2. College of Biological, Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China;
3. School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan 250101, China;
4. College of Advanced Materials Engineering, Jiaxing Nanhu University, Jiaxing 314001, China

摘要

摘要: 以微藻-真菌(小球藻-灵芝菌)共生体系为研究对象,并在2种浓度(10^-7,10^-9 mol/L)合成独角金内酯(GR24)的诱导下,探究6种CO₂浓度对该体系同步净化沼液和沼气的影响。在GR24的诱导下,微藻-真菌系统的代谢和微藻的光合作用增强,使藻-菌共生体快速生长,进一步增强了系统的净化性能。此外,GR24通过提高微藻细胞碳酸酐酶活性,增强了共培养体系的CO₂去除性能。结果表明:最佳的GR24浓度为10^-9 mol/L,最适宜藻-菌共生体系的CO₂浓度为45%,在此最优条件下,小球藻-灵芝菌共生体系对沼液的COD、TN和TP的平均去除率分别为(83.37±8.04)%、(82.07±7.74)%和(85.43±8.26)%,沼气中CO₂的平均去除率为(62.07±5.94)%。
- 小球藻 /
- 灵芝菌 /
- 共生体系 /
- 独角金内酯 /
- 去除性能
Abstract: In this paper, the microalgae-fungus (Chlorella-Ganoderma) symbiotic system was chosen as the research object, and the effects of different CO₂ concentrations on simultaneous purification of biogas slurry and biogas were investigated under the induction of two concentrations of synthetic unicolactone (GR24, 10^-7, 10^-9 mol/L). Under the induction of GR24, the metabolism and photosynthesis of microalgae in the microalgae-fungal system were enhanced, which made the algal-bacterial symbiosis grow rapidly and further enhanced the purification performance of the system. In addition, GR24 enhanced CO₂ removal performance of the co-culture system by increasing the activity of carbonic anhydrase in microalgae cells. The results showed that the optimal GR24 concentration was 10^-9 mol/L, and the CO₂ concentration was 45%. Under these optimal conditions, the average removal rates of COD, TN and TP were (83.37±8.04)%, (82.07±7.74)% and (85.43±8.26)%, respectively, and the average removal rate of CO₂ in biogas was (62.07±5.94)%.
- Chlorella vulgaris /
- Ganoderma lucidum /
- co-culture system /
- strigolactone /
- removal performance

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