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关于洗车场论文范文资料 与昆明市不同规模洗车场洗车废水水质调查和分析有关论文参考文献

版权:原创标记原创 主题:洗车场范文 科目:硕士论文 2023-12-29

《昆明市不同规模洗车场洗车废水水质调查和分析》:本论文主要论述了洗车场论文范文相关的参考文献,对您的论文写作有参考作用。

摘 要:针对不同规模的洗车场的洗车废水预处理出水进行了水质调查,结果表明:在合格率上大规模与小规模洗车场的没有太大的差异分别为85%和77.19%,但就具体不合格指标而言小规模洗车场与大规模洗车场有着不同的的水质特征,其中小型洗车场中的悬浮物和LAS的含量较大规模洗车场而言更高,取样中其悬浮物浓度最大值可达1.95×103mg/L,是排放标准的5倍之多;对于LAS浓度虽然在合格率上大型洗车场略低于小型洗车场,但小型洗车场LAS浓度的平均值达11.87mg/L,是大型洗车场4.54mg/L的2.6倍;而对于大型洗车场可以发现其总磷浓度明显偏高,其均值达到5.54mg/L,是小型洗车场1.03mg/L的5倍多;归其原因是由于两类洗车场的预处理设施规模有所不同,使做到水的停留时间长短不同,加之二者采用的洗涤方式及洗涤剂的不同,最终导致其污染物浓度产生差异.由此说明现在还需要对车场现有的预处理设施进行改造,以提高其处理能力,提倡使用无磷洗涤剂剂,并针对洗车场预处理设施的设计依据经营规模给出相应的设计规范,以提高达标率.

Abstract: The water quality of car washing wastewater pretreated by car wash in different scales was investigated. The results showed that there was no significant difference between the large scale and all scale car wash in the qualified rate of 85% and 77.19% respectively, but different water quality characteristics in the unqualified index between them; the contents of the suspension and LAS in all car wash are higher than that in large scale car wash, and the concentration maximum value of the suspension in the sample can reach 1.95×103mg/L, which is 5 times of the emission standard; although the qualified rate of LAS in large car wash is slightly lower than that in the all car wash, the erage value of LAS concentration in all car wash is 11.87mg/L,which is 2.6 times of large car wash with 4.54mg/L; while for large car wash, it can be found that the total phosphorus concentration is significantly higher, with an erage value of 5.54mg/L which is more than 5 times of a all car wash with 1.03mg/L; the reason is because the two types of car wash pretreatment facilities scale is different, making the residence time of water is different, and in addition, washing method and detergent are different, resulting in differences in the concentration of pollutants. So now we need to reform the existing depot pretreatment facilities, to improve the processing ability, promote the use of non phosphorus detergent agent, and the corresponding design specifications should be given according to the operation scale aiming at the car wash pretreatment facilities design, in order to improve the success rate.

关键词: 洗车废水;不同规模;水质

Key words: car washing waste water;different scales;the water quality

中图分类号:X703.1 文献标识码:A 文章编号:1006-4311(2018)01-0073-03

0 引言

洗车废水中含有大量泥沙、油类物质、有机物、表面活性剂等难降解的物质,有学者将洗车废水分为两类:第一类废水指的是油量少,含泥沙、洗涤剂较多的洗车废水,而第二类废水则指油量多,含泥沙、洗涤剂较少的洗车废水[3].由于洗车废水所含有的有毒物质较少,往往不被人们所重视,一些洗车场用侧沟收集后,接入沉淀池,进行简单沉淀后直接将废水排入市政污水管网.这样简单的沉淀處理难以较好地去除污水中含有油类物质、有机物、表面活性剂等难降解的物质,从而在一定程度上影响了周边环境,加之洗车废水中含有大量泥沙,长期的排放将会对管网造成阻塞,并且油类、和表面活性剂等物质进入污水处理厂后将增加污水厂的负荷、增大水的处理难度,造成自然生态的破坏[1].另一方面,洗车所需要的用水量大,水质要求低[6],若将水一味地排放不加以回收利用,不仅是对水资源的浪费,还会在一定程度上增加城市的供水压力.

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结论:昆明市不同规模洗车场洗车废水水质调查和分析为关于洗车场方面的的相关大学硕士和相关本科毕业论文以及相关洗车场论文开题报告范文和职称论文写作参考文献资料下载。

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