葡萄糖添加量与曝气时间对垂直潜流人工湿地脱氮的影响
【目的】探究葡萄糖添加量与间歇曝气时间对不同粒径级配基质填充垂直潜流人工湿地脱氮的影响。【方法】设置了2组试验，第1组试验设置了10、20、30 g葡萄糖外加碳源和细粒径、中粒径、粗粒径、正级配、反级配5种不同级配粒径沸石基质，研究葡萄糖添加量与沸石基质粒径对人工湿地脱氮的影响；基于第1组试验所得脱氮效果最佳的碳源及基质级配粒径组合，第2组试验研究了曝气0、2、4、6、8 h对人工湿地脱氮效果影响。【结果】葡萄糖添加量相同时，细粒径（2~4 mm）基质填充装置整体脱氮效果较好；粒径级配相同填充装置中，10 g葡萄糖添加量处理的脱氮效果整体优于20、30 g葡萄糖添加量处理；正级配、反级配基质填...
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| Published in | Guanʻgai paishui xuebao Vol. 44; no. 1; pp. 66 - 73 |
|---|---|
| Main Authors | , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
Xinxiang City
Chinese Academy of Agricultural Sciences (CAAS) Farmland Irrigation Research Institute Editorial Office of Journal of Irrigation and Drainage
01.01.2025
中国地质大学(北京)地下水循环与环境演化教育部重点实验室,北京 100083 中国地质大学(北京)水资源与环境学院,北京 100083 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1672-3317 |
| DOI | 10.13522/j.cnki.ggps.2024222 |
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| Abstract | 【目的】探究葡萄糖添加量与间歇曝气时间对不同粒径级配基质填充垂直潜流人工湿地脱氮的影响。【方法】设置了2组试验，第1组试验设置了10、20、30 g葡萄糖外加碳源和细粒径、中粒径、粗粒径、正级配、反级配5种不同级配粒径沸石基质，研究葡萄糖添加量与沸石基质粒径对人工湿地脱氮的影响；基于第1组试验所得脱氮效果最佳的碳源及基质级配粒径组合，第2组试验研究了曝气0、2、4、6、8 h对人工湿地脱氮效果影响。【结果】葡萄糖添加量相同时，细粒径（2~4 mm）基质填充装置整体脱氮效果较好；粒径级配相同填充装置中，10 g葡萄糖添加量处理的脱氮效果整体优于20、30 g葡萄糖添加量处理；正级配、反级配基质填充的垂直潜流人工湿地装置的孔隙度减小程度最小；10 g葡萄糖添加量、细粒径沸石基质填充装置的垂直潜流人工湿地脱氮效果最佳，TN的平均去除率达到50%左右。在此试验基础上，曝气时间为4 h时脱氮效果最佳，TN平均去除率达到86.9%。【结论】因此，添加10 g葡萄糖且细粒径沸石基质填充的垂直潜流人工湿地曝气4 h时脱氮效果最佳。 |
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| AbstractList | S273.5; [目的]探究葡萄糖添加量与间歇曝气时间对不同粒径级配基质填充垂直潜流人工湿地脱氮的影响.[方法]设置了 2 组试验,第 1 组试验设置了 10、20、30 g葡萄糖外加碳源和细粒径、中粒径、粗粒径、正级配、反级配 5 种不同级配粒径沸石基质,研究葡萄糖添加量与沸石基质粒径对人工湿地脱氮的影响;基于第 1 组试验所得脱氮效果最佳的碳源及基质级配粒径组合,第 2 组试验研究了曝气 0、2、4、6、8 h对人工湿地脱氮效果影响.[结果]葡萄糖添加量相同时,细粒径(2～4 mm)基质填充装置整体脱氮效果较好;粒径级配相同填充装置中,10 g葡萄糖添加量处理的脱氮效果整体优于 20、30 g葡萄糖添加量处理;正级配、反级配基质填充的垂直潜流人工湿地装置的孔隙度减小程度最小;10 g葡萄糖添加量、细粒径沸石基质填充装置的垂直潜流人工湿地脱氮效果最佳,TN的平均去除率达到 50%左右.在此试验基础上,曝气时间为 4 h时脱氮效果最佳,TN平均去除率达到 86.9%.[结论]因此,添加 10 g葡萄糖且细粒径沸石基质填充的垂直潜流人工湿地曝气 4 h时脱氮效果最佳. 【目的】探究葡萄糖添加量与间歇曝气时间对不同粒径级配基质填充垂直潜流人工湿地脱氮的影响。【方法】设置了2组试验，第1组试验设置了10、20、30 g葡萄糖外加碳源和细粒径、中粒径、粗粒径、正级配、反级配5种不同级配粒径沸石基质，研究葡萄糖添加量与沸石基质粒径对人工湿地脱氮的影响；基于第1组试验所得脱氮效果最佳的碳源及基质级配粒径组合，第2组试验研究了曝气0、2、4、6、8 h对人工湿地脱氮效果影响。【结果】葡萄糖添加量相同时，细粒径（2~4 mm）基质填充装置整体脱氮效果较好；粒径级配相同填充装置中，10 g葡萄糖添加量处理的脱氮效果整体优于20、30 g葡萄糖添加量处理；正级配、反级配基质填充的垂直潜流人工湿地装置的孔隙度减小程度最小；10 g葡萄糖添加量、细粒径沸石基质填充装置的垂直潜流人工湿地脱氮效果最佳，TN的平均去除率达到50%左右。在此试验基础上，曝气时间为4 h时脱氮效果最佳，TN平均去除率达到86.9%。【结论】因此，添加10 g葡萄糖且细粒径沸石基质填充的垂直潜流人工湿地曝气4 h时脱氮效果最佳。 |
| Abstract_FL | [Objective]Constructed wetlands are an effective technique for removing various organic and inorganic pollutants from wastewater.This study investigates the impact of glucose addition and intermittent aeration duration on nitrogen removal efficiency in vertical-flow constructed wetlands(VSFCWs)filled with substrates of varying particle sizes.[Method]The experiment was conducted in two phases.In the first phase,VSFCWs were tested with three glucose addition levels(10,20,and 30 g)and five substrate types:fine particles(2 to 4 mm),medium particles,coarse particles,positive gradation,and negative gradation.Nitrogen removal efficiency was assessed for each treatment.In the second phase,the optimal combination of glucose addition and substrate type from the first phase was used to evaluate the effect of aeration durations ranging from to eight hours on nitrogen removal.[Result]When the glucose addition was the same,the VSFCWs filled with fine-grained matrix by particles with diameter of 2 to 4 mm was most effective in removing nitrogen.When the particle sizes were the same,adding 10 g of glucose was most effective in removing nitrogen.VSFCWs filled with matrix of positive and negative gradation reduced matrix porosity;VSFCW filled with the fine particle size gradation combined with a 10 g of glucose addition was most effective in nitrogen removal,with the total nitrogen removal rate reaching approximately 50%.The optimal aeration duration was 4 h,with its associated total nitrogen removal rate reaching 86.9%.[Conclusion]The most efficient nitrogen removal in the VSFCWs was achieved by using fine-sized zeolite substrate,10 g of glucose addition,and a 4-hour aeration duration.These findings provide a reference for designing and operating constructed wetlands for enhancing nitrogen removal efficiency. |
| Author | WANG Mingkuan ZHANG, Xia TONG Juxiu |
| AuthorAffiliation | 中国地质大学(北京)地下水循环与环境演化教育部重点实验室,北京 100083;中国地质大学(北京)水资源与环境学院,北京 100083 |
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| Author_FL | WANG Mingkuan ZHANG Xia TONG Juxiu |
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| Copyright | 2025. This work is published under https://creativecommons.org/licenses/by-nc-nd/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| Keywords | particle size grading 垂直潜流人工湿地 葡萄糖添加量 间歇曝气 vertical subsurface flow constructed wetland intermittent aeration glucose addition 粒径级配 |
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| Snippet | 【目的】探究葡萄糖添加量与间歇曝气时间对不同粒径级配基质填充垂直潜流人工湿地脱氮的影响。【方法】设置了2组试验，第1组试验设置了10、20、30 g葡萄糖外加碳源和细粒径、中粒... S273.5; [目的]探究葡萄糖添加量与间歇曝气时间对不同粒径级配基质填充垂直潜流人工湿地脱氮的影响.[方法]设置了 2 组试验,第 1 组试验设置了 10、20、30 g葡萄糖外加碳源和... |
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| SubjectTerms | Aeration Artificial wetlands Efficiency Glucose Nitrogen Nitrogen removal Optimization Particle size Porosity Substrates Wetlands Zeolites |
| Title | 葡萄糖添加量与曝气时间对垂直潜流人工湿地脱氮的影响 |
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