ZHANG Xiang,LI Zi-fu,ZHOU Xiao-qin,et al.Design Analysis of Subsurface Flow Wetland in Constructed Wetland Standards in China[J].China Water & Wastewater,2020,36(18):24-31.
我國人工濕地標(biāo)準(zhǔn)中潛流濕地設(shè)計(jì)分析
- Title:
- Design Analysis of Subsurface Flow Wetland in Constructed Wetland Standards in China
關(guān)鍵詞:
人工濕地標(biāo)準(zhǔn); 污染負(fù)荷; 水力負(fù)荷; 濕地設(shè)計(jì)面積
摘要:
人工濕地污水處理技術(shù)是一種處理污水的生態(tài)處理方法,近年來在我國得到快速發(fā)展和推廣應(yīng)用。2009年起,國家和部分省份的職能部門頒布實(shí)施了一系列人工濕地標(biāo)準(zhǔn),用于指導(dǎo)并規(guī)范人工濕地設(shè)計(jì)建設(shè),內(nèi)容主要包括人工濕地構(gòu)筑物設(shè)計(jì)、污染負(fù)荷設(shè)計(jì)和水力負(fù)荷設(shè)計(jì)等3方面的參數(shù)。比較了各個(gè)標(biāo)準(zhǔn)中潛流人工濕地的設(shè)計(jì)參數(shù),發(fā)現(xiàn)不同標(biāo)準(zhǔn)的污染負(fù)荷和水力負(fù)荷差異明顯。人工濕地設(shè)計(jì)面積計(jì)算結(jié)果表明,對(duì)于不同性質(zhì)的廢水,設(shè)計(jì)時(shí)應(yīng)核算不同的設(shè)計(jì)參數(shù),不應(yīng)只根據(jù)水力負(fù)荷或僅采用污染負(fù)荷進(jìn)行人工濕地設(shè)計(jì)。同時(shí),需要考慮氣候、濕地填料、深度、植物等其他因素對(duì)人工濕地處理效果的影響。
Abstract:- The constructed wetlands technology for sewage treatment is an ecological treatment method, which has been rapidly developed and applied widely in China in recent years. Since 2009, some relevant functional government departments of nation and provinces have promulgated and implemented a series of design standards, which are used to guide and standardize the design and construction of constructed wetlands. These standards mainly include the parameters of constructed wetland structure design, pollution load design, and hydraulic load design. By comparing the design parameters of subsurface flow constructed wetlands in each standard, it is found that the pollution load and hydraulic load of various standards are significantly different. The calculation results of the constructed wetland design area show that different design parameters should be used for different types of wastewater, and the constructed wetland design cannot be based on hydraulic load or pollution load only. At the same time, it is necessary to consider the influence of climate, wetland substrate, depth, plants and other factors on the treatment effect of the constructed wetland.
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