西安市公园景观用水COD与吸光度分析  

COD and absorbance data analysis of Xi′an park landscape water

作　　者：孙斌[1] 刘钊[1] 谭志海[1] 

机构地区：[1]西安工程大学环境与化学工程学院,陕西西安710048

出　　处：《西安工程大学学报》2015年第2期224-228,共5页Journal of Xi’an Polytechnic University

基　　金：中科院地球环境研究所黄土与第四纪地质国家重点实验室开放基金(SKLLQG 1202);西安工程大学博士启动基金(BS1101)

摘　　要：针对西安市公园景观用水水质存在的富营养化问题,对西安市不同区域的6个公园景观水体进行野外采样分析,对比各公园水体化学需氧量(COD)和吸光度数据.采用分光光度计对水样进行吸光度的连续测定,以寻求精确表征水体的色度、浊度的波段.分析COD与不同波段的吸光度数据.结果表明,曲江池公园部分区域水质最好,劳动公园水质最差;254nm的水体吸光度可以作为快速评价水体COD的方法,680nm的水体吸光度可初步判定水体的浑浊程度,555nm的水体吸光度水体颜色.For the eutrophication of the park landscape water quality in Xiran, this study makes sampling analysis of the waters from six parks in Xi＇an to obtain COD and absorbance data.A spectrophotometer is used to mearsure absorbance of water samples continuously to seek accu- rate characterization of the water color, turbidity band, thus providing a rapid detection method for the detection of COD.The results show that water quality in labor park is basically the worst,while Qujiang pool is the best water quality, that 254nm absorbance of water can be used as a method to quickly evaluate the COD in water,that 680nm identifies water turbidity, and that 555nm judges the water color.

关 键 词：西安市公园 景观用水 COD 吸光度 

分 类 号：X824[环境科学与工程—环境工程]