[1]任勇翔,杨春辉,孙军峰,等.冬小麦和黑麦草作为寒冷季节人工湿地栽培作物处理城市污水效果研究[J].西安建筑科技大学学报:自然科学版,2012,44(05):714-719,735.[doi:10.15986/j.1006-7930.2012.05.018]
　REN Yong-xiang,YANG Chun-hui,SUN Jun-feng,et al.Effects on the wastewater treatment with Triticum aestivum L.and Lolium perenne L. as cultivated plant in hydroponic ditch and hybrid constructed wetland in cold season[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2012,44(05):714-719,735.[doi:10.15986/j.1006-7930.2012.05.018]
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冬小麦和黑麦草作为寒冷季节人工湿地栽培作物处理城市污水效果研究()
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西安建筑科技大学学报:自然科学版[ISSN:1006-7930/CN:61-1295/TU]

卷:
44
期数:
2012年05期
页码:
714-719,735
栏目:
出版日期:
2012-10-31

文章信息/Info

Title:
Effects on the wastewater treatment with Triticum aestivum L.and Lolium perenne L. as cultivated plant in hydroponic ditch and hybrid constructed wetland in cold season
文章编号:
1006-7930(2012)05-0714-06
作者:
任勇翔1; 2; 杨春辉1; 孙军峰1; 马 刚1; 鲁 浩1; 杨永哲1; 王志盈1
(1.西安建筑科技大学西北水资源与环境生态教育部重点实验室,陕西 西安 710055; 2. 西部建筑科技国家重点实验室 筹 ,陕西 西安 710055)
Author(s):
REN Yong-xiang1; 2;  YANG Chun-hui1;  SUN Jun-feng1;  MA Gang1;  LU Hao1;  YANG Yong-zhe1;  WANG Zhi-ying1
(1.School of Municipal and Environmental Engineering, Xian Univ.of Arch .& Tech., Xian 710055, China; 2.State Key Laboratory of Architecture Science and Technology in West China(XAUAT), Xian 710055, China)
关键词:
城市污水; 人工湿地; 冬季; 冬小麦; 黑麦草
Keywords:
waste water treatment;  constructed wetland;  Triticum aestivum L.;  Lolium perenne L.
分类号:
X 703
DOI:
10.15986/j.1006-7930.2012.05.018
文献标志码:
A
摘要:
为提高低温时人工湿地对水中污染物的处理效率,筛选我国北方冬季人工湿地宜栽作物,在西安市某污水厂建立了中试系统.系统进水为污水厂初沉池出水,水培槽为系统预处理设施.人工湿地分为潜流和垂直流,深度分别为0.1m和0.3m,栽培作物分别为冬小麦和黑麦草.研究结果表明:冬季人工湿地中的黑麦草仍有较显著分蘖现象,冬小麦未见分蘖.冬春季黑麦草湿地系列对COD、NH4+-N和TP的去除率均高于冬小麦湿地系列,非结冰期,0.1m黑麦草系列人工湿地COD、NH4+-N和TP出水浓度可满足城镇污水处理厂国家污水综合排放标准中的二级标准.黑麦草适宜作为寒冷地区人工湿地栽培作物
Abstract:
The winter wheat(Triticum aestivum L.) and the lawn plant( Lolium perenne L.) were used as cultivated plants in hydroponic ditch and hybrid constructed wetland for enhancing the removal of pollutants in the municipal wastewater in a pilot study. These ecological wastewater treatment system were located in a wastewater treatment plant in Xi′an, China, and the effluent from the primary clarifier in the wastewater treatment plant was intermittently conducted to the experimental systems. The depth of the water in hydroponic ditch and substrate of the horizontal and vertical constructed wetland were 0.1mand 0.3m ,respectively.The growth status of the two cultivated plants and their effects on the purification of the water quality during winter and spring were also brought intocomparison. The results showed that L. perenne grew and developed much better than T.aestivum. Significant tillers of L.perenne and insignificant tillers of T. aestivum were both observed during the winter. The concentrations of COD,NH+4 -N and TP in the effluent from L. perenne systems with the depth of 0.1min winter before freezing were lower than the 2nd class standard as specified in the Chinese Integrated Wastewater Discharge Standard, while only the concentration of COD in the effluent from T. aestivum systems with the depth of 0.1min spring were below 100mg/L. Therefore, L.perenneis a plant suitable for the constructed wetland, especially in winter in cold regions

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备注/Memo

备注/Memo:
收稿日期:2012-05-31 修改稿日期:2012-10-10
基金项目:国家 “ 水体污染控制与治理 ” 科技重大专项(2009ZX07212-002-004-003);住房和城乡建设部2012年科学技术项目计划(2012-7-21);西安建筑科技大学人才科技基金(RC0736)
作者简介:任勇翔(1968-),男,陕西铜川人,教授,博士生导师,主要从事污水生物处理理论与资源化利用
更新日期/Last Update: 2015-09-01