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李衍博, 王旭, 刘俊新. 基于粒径分布的城镇污水有机组分赋存特征调查[J]. 环境化学, 2015, 34(12): 2153-2161. doi: 10.7524/j.issn.0254-6108.2015.12.2015091001
引用本文: 李衍博, 王旭, 刘俊新. 基于粒径分布的城镇污水有机组分赋存特征调查[J]. 环境化学, 2015, 34(12): 2153-2161. doi: 10.7524/j.issn.0254-6108.2015.12.2015091001
shu
LI Yanbo, WANG Xu, LIU Junxin. Occurrence characteristics of organic components in domestic sewage in terms of particle size distribution[J]. Environmental Chemistry, 2015, 34(12): 2153-2161. doi: 10.7524/j.issn.0254-6108.2015.12.2015091001
Citation: LI Yanbo, WANG Xu, LIU Junxin. Occurrence characteristics of organic components in domestic sewage in terms of particle size distribution[J]. Environmental Chemistry, 2015, 34(12): 2153-2161. doi: 10.7524/j.issn.0254-6108.2015.12.2015091001
shu

基于粒径分布的城镇污水有机组分赋存特征调查

  • 1.

    中国科学院生态环境研究中心, 北京, 100085

  • 基金项目:

    国家自然科学基金(51408589

    51138009)资助.

Occurrence characteristics of organic components in domestic sewage in terms of particle size distribution

  • 1.

    Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China

  • Fund Project:

  • 摘要: 本文以京津地区城镇污水为研究对象,利用滤膜法从粒径分布角度分析了城镇污水中总有机物与蛋白质、糖类、脂类及挥发性有机酸等有机组分的浓度水平,进而利用统计学手段解析其赋存特征.结果表明,蛋白类有机组分所占比例最高(46.9%-48.3%),而糖类(4.7%-11.0%)和脂类(3.4%-11.8%)含量相对较低,并且蛋白质类在不同粒径范围内均为占优组分.另外,调查区域的污水样品中富含颗粒态(>100 μm)及超胶体态(100-1 μm)有机物,而胶体态(1-0.15 μm)有机质含量最低;Spearman相关分析亦指出颗粒态和溶解态(<0.001 μm)有机物在污水中存在类似的环境归趋.从本研究结果来看,该区域污水处理厂可在保障水质达标的前提下,采取有效的固液分离及碳质转化手段,提高大粒径态有机物的资源化利用率.
    Abstract: In this work, several wastewater samples collected from Beijing and Tianjin areas of China were used as representatives to investigate the concentration levels and distribution by profiles of total organic matters and major carbonaceous components (i.e., proteins, carbohydrates, lipids and volatile fatty acids) in relation to particle size distribution by employing a filtration approach. Furthermore, the relevant occurrence characteristics of organic constituents present in the samples were fully explored with statistics approaches. The results indicated that proteins had the highest fraction (46.9%-48.3%) followed by carbohydrates (4.7%-11.0%) and lipids (3.4%-11.8%), as well as being the dominant component at each level of the expected size distribution. In addition, the wastewater samples consisted of substantial proportion of the particulate (>100 μm) and ultra-colloidal (100-1 μm) organics, whereas the colloidal (1-0.15 μm) component accounted for the lowest percentage. Spearman correlation analysis suggested common sources and similar environmental fates of the particulate and soluble (1-0.15 μm) organics in the raw domestic wastewater. Therefore, improving the efficiency of solid-liquid separation and facilitating carbon-to-resource conservation might be the feasible strategies to maximize the utilization of wastewater organics.
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  • 收稿日期:  2015-09-10
  • 刊出日期:  2015-12-15
李衍博, 王旭, 刘俊新. 基于粒径分布的城镇污水有机组分赋存特征调查[J]. 环境化学, 2015, 34(12): 2153-2161. doi: 10.7524/j.issn.0254-6108.2015.12.2015091001
引用本文: 李衍博, 王旭, 刘俊新. 基于粒径分布的城镇污水有机组分赋存特征调查[J]. 环境化学, 2015, 34(12): 2153-2161. doi: 10.7524/j.issn.0254-6108.2015.12.2015091001
shu
LI Yanbo, WANG Xu, LIU Junxin. Occurrence characteristics of organic components in domestic sewage in terms of particle size distribution[J]. Environmental Chemistry, 2015, 34(12): 2153-2161. doi: 10.7524/j.issn.0254-6108.2015.12.2015091001
Citation: LI Yanbo, WANG Xu, LIU Junxin. Occurrence characteristics of organic components in domestic sewage in terms of particle size distribution[J]. Environmental Chemistry, 2015, 34(12): 2153-2161. doi: 10.7524/j.issn.0254-6108.2015.12.2015091001
shu

基于粒径分布的城镇污水有机组分赋存特征调查

  • 1. 中国科学院生态环境研究中心, 北京, 100085
  • 收稿日期:  2015-09-10
基金项目:

国家自然科学基金(51408589

51138009)资助.

摘要: 本文以京津地区城镇污水为研究对象,利用滤膜法从粒径分布角度分析了城镇污水中总有机物与蛋白质、糖类、脂类及挥发性有机酸等有机组分的浓度水平,进而利用统计学手段解析其赋存特征.结果表明,蛋白类有机组分所占比例最高(46.9%-48.3%),而糖类(4.7%-11.0%)和脂类(3.4%-11.8%)含量相对较低,并且蛋白质类在不同粒径范围内均为占优组分.另外,调查区域的污水样品中富含颗粒态(>100 μm)及超胶体态(100-1 μm)有机物,而胶体态(1-0.15 μm)有机质含量最低;Spearman相关分析亦指出颗粒态和溶解态(<0.001 μm)有机物在污水中存在类似的环境归趋.从本研究结果来看,该区域污水处理厂可在保障水质达标的前提下,采取有效的固液分离及碳质转化手段,提高大粒径态有机物的资源化利用率.

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