菌剂强化耕作型稻田湿地净化重污染村庄河水效能研究

doi:10.14088/j.cnki.issn0439-8114.2022.01.011

湖北农业科学 ›› 2022, Vol. 61 ›› Issue (1): 61-66.doi: 10.14088/j.cnki.issn0439-8114.2022.01.011

菌剂强化耕作型稻田湿地净化重污染村庄河水效能研究

桂松, 侯君霞, 王逸超, 毛林强, 胡林潮, 张文艺

常州大学环境与安全工程学院,江苏常州 213164

收稿日期:2020-09-08 出版日期:2022-01-10 发布日期:2022-01-26
通讯作者: 张文艺（1968-）,男,教授,博士,主要从事水污染控制与生态修复研究,（电话）13915046002（电子信箱）zhangwenyi888@sina.com。
作者简介:桂松（1995-）,男,安徽池州人,硕士,研究方向为水污染控制与生态修复,（电话）17300665130（电子信箱）58408790@qq.com。
基金资助:
水体污染控制与治理科技重大专项（2017ZX07202-004）

Bio-ecological coupling purification of cultivated wetland study on the characteristics of heavily polluted village water

GUI Song, HOU Jun-xia, WANG Yi-chao, MAO Lin-qiang, HU Lin-chao, ZHANG Wen-yi

School of Environmental & Safety Engineering, Changzhou University, Changzhou 213164,Jiangsu, China

Received:2020-09-08 Online:2022-01-10 Published:2022-01-26

摘要/Abstract

摘要： 采用菌剂强化协同耕作型稻田湿地的方法净化重污染村庄河水,研究稻田湿地在反硝化聚磷菌（B8菌）的强化作用下,对目标污染物的去除效率,分析生物降解过程中溶解性有机物迁移规律。结果表明,连续14 d投加B8菌于稻田潜流湿地后,投菌组的总磷、氨氮、总氮的平均去除率分别91%、91.34%、89.22%,与未投菌组相比提高了6.4、10、16.22个百分点,COD及UV₂₅₄的平均去除率为68%、70%,相比未投菌组去除率分别提高了8、11个百分点,平均出水浓度为31.09 mg/L、0.08。湿地系统对叶绿素a的去除效果良好,投菌组与未投菌组的去除率均达到90%,平均出水浓度为2.35 μg/L,出水均达到《地表水环境质量标准》GB3838—2002中的Ⅳ类标准,说明投加的B8菌剂具有协同强化耕作型稻田湿地对村庄河水氮、磷、有机物的去除作用。三维荧光分析表明,重污染村庄河水中有机物的主要成分是DOM,来源于河水中的藻细胞和村庄排水中的腐殖类物质,可以通过稻田区植物及微生物的协同来达到去除效果。

关键词: 耕作型湿地, 反硝化聚磷菌, 生物降解, 脱氮除磷

Abstract: In this paper, low-load compound paddy field submersible wetland was used as the main test process, and the method of using the bacteria fortified with rice field wetland to purify village sewage, studied the removal efficiency of the target pollutants in the paddy field wetland under the strengthening of fungi, and analyzed the migration law of dissolved organic compounds in the process of biodegradation. The results showed that after adding B8 bacteria to the subsurface flow wetland in paddy field for 14 consecutive days, during the operation of the device, the average removal rate of total phosphorus, ammonia nitrogen and total nitrogen in wetland system was 91%, 91.34% and 89.22% respectively, which increased by 6.4, 10 and 16.22 percentage points respectively, the average removal rates of COD and UV₂₅₄ were 68% and 70%, which were 8 and 11 percentage points higher than that of the control group. The average effluent concentration was 31.09 mg/L and 0.08. The removal efficiency of wetland system to chlorophyll was good. The removal rate of the group with and without bacteria is 90%, and the average effluent concentration was 2.35 μg/L, the effluent all reached the class IV standard in the environmental quality standard for surface water （GB3838—2002）, which indicated that the B8 fungicide had synergistic effect on the removal of nitrogen, phosphorus and organic matter in the river water of the village. Through the three-dimensional fluorescence measurement of sewage, it was found that the main component of organic matter in the water was DOM, most of which comes from algae cells in the influent and humic substances in the village drainage, mainly through the cooperation of plants and microorganisms in the paddy field area to achieve the removal.

Key words: cultivated wetlands, denitrifying polyphosphate-accumulating organisms, biodegradation, nitrogen and phosphorus removal

中图分类号:

X703.5

桂松, 侯君霞, 王逸超, 毛林强, 胡林潮, 张文艺. 菌剂强化耕作型稻田湿地净化重污染村庄河水效能研究[J]. 湖北农业科学, 2022, 61(1): 61-66.

GUI Song, HOU Jun-xia, WANG Yi-chao, MAO Lin-qiang, HU Lin-chao, ZHANG Wen-yi. Bio-ecological coupling purification of cultivated wetland study on the characteristics of heavily polluted village water[J]. HUBEI AGRICULTURAL SCIENCES, 2022, 61(1): 61-66.

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菌剂强化耕作型稻田湿地净化重污染村庄河水效能研究

Bio-ecological coupling purification of cultivated wetland study on the characteristics of heavily polluted village water

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