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乌鲁木齐市散煤燃烧大气污染物排放清单及时空分布特征

牛宏宏 王宝庆 刘博薇 胡新鑫

牛宏宏, 王宝庆, 刘博薇, 胡新鑫. 乌鲁木齐市散煤燃烧大气污染物排放清单及时空分布特征[J]. 环境科学研究, 2019, 32(1): 135-141. doi: 10.13198/j.issn.1001-6929.2018.09.18
引用本文: 牛宏宏, 王宝庆, 刘博薇, 胡新鑫. 乌鲁木齐市散煤燃烧大气污染物排放清单及时空分布特征[J]. 环境科学研究, 2019, 32(1): 135-141. doi: 10.13198/j.issn.1001-6929.2018.09.18
NIU Honghong, WANG Baoqing, LIU Bowei, HU Xinxin. Emission Inventory and Temporal-Spatial Distribution of Air Pollutants from Residential Coal Combustion in Urumqi City[J]. Research of Environmental Sciences, 2019, 32(1): 135-141. doi: 10.13198/j.issn.1001-6929.2018.09.18
Citation: NIU Honghong, WANG Baoqing, LIU Bowei, HU Xinxin. Emission Inventory and Temporal-Spatial Distribution of Air Pollutants from Residential Coal Combustion in Urumqi City[J]. Research of Environmental Sciences, 2019, 32(1): 135-141. doi: 10.13198/j.issn.1001-6929.2018.09.18

乌鲁木齐市散煤燃烧大气污染物排放清单及时空分布特征

doi: 10.13198/j.issn.1001-6929.2018.09.18
基金项目: 

留学基金委访问学者基金 201406205010

国家自然科学基金项目 21777076

详细信息
    作者简介:

    牛宏宏(1992-), 女, 山西吕梁人, nhongh@163.com

    通讯作者:

    王宝庆(1972-), 男, 河北唐山人, 副教授, 博士, 主要从事大气污染物扩散和人群暴露研究, wbqchina@163.com

  • 中图分类号: X51

Emission Inventory and Temporal-Spatial Distribution of Air Pollutants from Residential Coal Combustion in Urumqi City

Funds: 

Visiting Scholar Fund National, China 201406205010

National Natural Science Foundation of China 21777076

  • 摘要: 为研究乌鲁木齐市散煤燃烧对大气污染物的贡献情况,根据实地调研收集到的散煤燃烧活动水平数据,利用排放因子法建立2015年乌鲁木齐市散煤燃烧PM2.5、SO2和NOx的排放清单,利用ArcGIS空间分析工具进行空间分布特征分析,使用蒙特卡罗方法进行不确定性分析.结果表明:2015年散煤燃烧排放PM2.5、SO2、NOx分别为1.70×104、4.13×104、2.80×103 t.PM2.5和SO2排放的主要贡献区域为乌鲁木齐县,分别占排放总量的27.35%和26.23%,这是由于乌鲁木齐县社区居民和大棚种植耗煤量较大所致;NOx排放的主要贡献区域为米东区,贡献率高达28.03%,这是因为米东区社区居民所用炉灶为手动炉排层燃炉灶,其排放因子较大所致.空间分布特征表明,污染物主要分布在米东区南部、沙依巴克区北部及乌鲁木齐县中部.不确定性分析表明,村庄、社区、大棚种植、商业和事业单位在95%的置信区间时不确定性分别为-69%~165%、-57%~116%、-68%~171%和-67%~165%.蒙特卡罗预测结果(平均值)高于排放清单的计算结果.研究显示,乌鲁木齐市散煤燃烧对污染物排放贡献较大,并且具有明显的季节性和区域性特征.

     

  • 图  1  乌鲁木齐市各区县位置

    Figure  1.  The location of the district in Urumqi City

    图  2  乌鲁木齐市各区县污染物排放情况

    Figure  2.  Ratios of pollutant emission in each district of Urumqi City

    图  3  乌鲁木齐市散煤燃烧各污染源排放情况

    Figure  3.  Ratios of different sources from residential coal combustion in Urumqi City

    图  4  乌鲁木齐市散煤燃烧污染物排放时间分布特征

    Figure  4.  Temporal distribution characteristics of pollutant emission from residential coal combustion in Urumqi City

    图  5  乌鲁木齐市散煤燃烧污染物空间分布特征

    Figure  5.  Spatial distribution characteristics of pollutants emission from residential coal combustion in Urumqi City

    表  1  散煤燃烧各类污染物排放因子

    Table  1.   The pollutant emission factors of residential coal combustion

    污染物类型 排放因子/(g/kg)
    手动炉排层燃炉灶 传统炉灶 先进炉灶
    PM2.5 2 6.86 6.86
    SO2 16 16 16
    NOx 3.8 0.91 0.91
    下载: 导出CSV

    表  2  2015年乌鲁木齐市PM2.5、SO2和NOx排放清单

    Table  2.   Emission inventory of PM2.5, SO2和NOx for Urumqi City in 2015

    t
    研究区域 村庄污染物排放量 社区污染物排放量 大棚种植污染物排放量 商业和事业单位污染物排放量
    PM2.5 SO2 NOx PM2.5 SO2 NOx PM2.5 SO2 NOx PM2.5 SO2 NOx
    天山区 1.03 2.40 0.14 1 831.33 4 271.32 243.88 3.95 9.22 0.52 109.57 255.55 14.57
    沙依巴克区 10.86 25.33 1.44 636.34 1 484.17 87.24 7.00 16.32 0.93 3 302.83 7 703.40 441.30
    新市区 671.09 1 564.80 89.92 50.91 407.31 98.98 113.43 264.56 15.05 7.83 18.27 1.74
    水磨沟区 56.76 132.38 7.53 209.40 488.41 30.07 0.59 1.38 0.08 562.66 1 312.33 74.66
    头屯河区 14.88 34.72 1.98 430.25 1 003.50 58.46 78.84 183.87 10.47 993.37 2 316.89 131.94
    达坂城区 141.73 330.56 18.80 88.18 205.67 12.49 363.58 848.00 48.23 42.13 98.26 5.59
    米东区 1 884.56 4 395.48 250.00 247.80 1 982.42 470.82 464.18 1 082.64 61.58 17.44 40.68 2.31
    乌鲁木齐县 8.67 20.21 1.16 2 295.94 5 354.95 307.07 2318.58 5 407.78 307.57 22.58 52.66 3.08
    总计 2 789.58 6 505.88 370.97 5 790.15 15 197.75 1 309.01 3 350.15 7 813.77 444.43 5 058.41 11 798.04 675.19
    下载: 导出CSV

    表  3  散煤燃烧大气污染物排放不确定性分析

    Table  3.   The uncertainty analysis of pollutant emissions from residential coal combustion

    燃烧源 大气污染物排放量
    中值/t 平均值/t 95%置信区间/t 不确定性/%
    村庄 PM2.5 2 353.44 2 803.95 888.75~7 430.55 -68.30~165.00
    SO2 5 482.68 6 539.72 2 067.36~17 050.64 -68.39~160.72
    NOx 317.85 373.63 119.31~986.04 -68.07~163.91
    社区 PM2.5 5 213.32 5 818.27 2 501.96~12 521.64 -57.00~115.21
    SO2 13 898.72 15 272.72 6 797.87~31 769.44 -55.49~108.01
    NOx 1 185.69 1 304.65 590.59~2 739.70 -54.73~110.00
    大棚种植 PM2.5 2 799.86 3 365.71 1 151.16~8 791.02 -65.80~161.19
    SO2 6 518.90 7 897.03 2 566.37~21 326.32 -67.50~170.05
    NOx 374.40 447.03 150.38~1 178.34 -66.36~163.59
    商业和事业单位 PM2.5 4 273.72 5 063.51 1 692.54~13 177.16 -66.57~160.24
    SO2 10 062.05 11 867.35 4 040.21~31 395.94 -65.96~164.56
    NOx 569.40 674.26 227.13~1 750.15 -66.31~159.57
    下载: 导出CSV
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  • 收稿日期:  2018-03-04
  • 修回日期:  2018-09-26
  • 刊出日期:  2019-01-25

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