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1.
金勇 《矿山环保》2001,(1):24-25
通过对TSP中灰分部民量和可燃性物质总量的比例测定,从而分析和初步了解鲁中冶金矿山公司TSP的来源和成分情况,以及分布规律、建议和措施。  相似文献   

2.
2010年夏季采集雅安市2个地点(四教和白马泉)的TSP、PM_(2.5)样品,并利用离子色谱和原子吸收等方法测定了颗粒物中主要水溶性离子的浓度。结果显示,四教TSP与PM_(2.5)的日均浓度分别为108.04±43.80μg/m3和85.84±29.65μg/m3,PM_(2.5)和TSP的百分比为0.79;白马泉TSP与PM_(2.5)的日均浓度分别为92.17±41.56μg/m3和72.30±28.55μg/m3,二者百分比为0.78。PM_(2.5)是TSP的主要组分。PM_(2.5)质量浓度昼夜变化明显,白天高于夜晚。阳离子与阴离子电荷总和之比值接近1。四教总离子浓度占TSP和PM_(2.5)的质量分数分别是26.10%和31.04%,而白马泉的分别为21.34%和24.07%。SO2-4、NO-3、NH+4为颗粒物中无机离子的主要组分,其昼夜浓度变化明显。相关性分析显示,两地的离子来源和组成形式均有所差异。NO-3/SO2-4在0.7以下,说明雅安市以固定污染源为主。PM_(2.5)中硫和氮的转化率均值均大于0.1,说明发生了二次转化,并且SO2的转化率远大于NO2。  相似文献   

3.
本文根据南充市1996-2000年环境空气质量监测结果,分析和评价了南充市大气中总悬浮颗粒物(TSP)的污染特征,变化规律及成因,提出了防治南充市大气中TSP污染的措施。  相似文献   

4.
在西宁市7个采样点分别采集了环境空气中的总悬浮颗粒物(TSP)和可吸入颗粒物(PM10),用化学质量平衡(CMB)受体模型和二重源解析技术解析了TSP和PM10的来源。结果表明:扬尘、煤烟尘和土壤风沙尘是造成该市TSP和PM10污染的主要源类。扬尘是造成该市颗粒物污染的首要因素,控制城市扬尘污染是城市环境空气颗粒物达标的关键。  相似文献   

5.
通过对大庆地区总悬浮微粒(TSP)中主要化学组成─—乙醇溶物和水溶物的测定分析得知,乙醇溶物占TSP的年均值为12.25%,高于北京市(6.41%),在空气中的平均浓度为0.0148mg/m3。乙醇溶物中有机物平均占58.6%,多为含羟基的有机物;无机物主要是控的硫酸盐和硝酸盐。水溶物占TSP的平均值为27.93%,高于北京市(11.29%),在空气中的平均浓度为0.0324mg/m3。从TSP中乙醇溶物和水溶物的测定结果可以看出各测点采暖期乙醇溶物、水溶物的浓度显著高于非采暖期,但其致突变强度比北京市弱。  相似文献   

6.
乌鲁木齐地区环境空气中TSP达标方案的探讨   总被引:1,自引:0,他引:1  
TSP是乌鲁木齐市大气污染的首要污染物。根据TSP污染源调查和污染物源解析研究成果,对乌鲁木齐市TSP污染现状和污染物来源进行了分析,在对TSP污染进行科学预测的基础上,根据大气污染控制技术研究成果和污染治理经验。提出了TSP达标规划实施方案。  相似文献   

7.
沙尘对空气质量特别是空气中TSP,PM_(10)和PM_(2.5)浓度有重要影响。为探讨沙尘对空气质量的影响,在位于准噶尔盆地南缘荒漠-绿洲交错带的准噶尔生态环境观测站开展了近地面空气颗粒物的连续监测实验及气象观测实验;结合HYSPLIT模型对典型沙尘事件中空气颗粒物的运动轨迹进行模拟;分析了沙尘全过程空气颗粒物分布特征及颗粒物的输送特征。结果表明:在2015-09-13日的沙尘事件对空气中颗粒物TSP、PM_(10)和PM_(2.5)的浓度分布产生影响严重,TSP、PM_(10)和PM_(2.5)的质量浓度分别达到了412μg/m~3、354μg/m~3和190μg/m~3,远超过了国家二级空气质量标准;TSP、PM_(10)和PM_(2.5)的质量浓度显著相关,其中PM_(2.5)和PM_(10)的相关系数达0.993,颗粒物轨迹分析显示,沙尘主要来源于北面的古尔班通古特沙漠,为大风输送所致。  相似文献   

8.
乌鲁木齐市冬季大气污染治理方案控制目标   总被引:1,自引:0,他引:1  
为控制乌鲁木齐市冬季大气污染的发展趋势,改善环境空气质量,乌鲁木齐市冬季城市空气质量控制目标为:1998年,乌鲁木齐市空气中TSP年日均值控制在500g/m3以下,SO2年日均值控制在现有的水平,其中冬季TSP季日均值控制在600g/m3。力争削减烟少0.5X104t,削减SO20.14X104t,实现空气质量“一年一个样”的要求。2000年,TSP年日均值控制在400g/m3,SO2年日均值控制在60g/m3,其中冬季TSP季日均值控制在500g/m3。力争削减烟尘排放量1.5x104,SO20.Mx104,实现空气质量“三年大变样”的要求。2002年,TSP年日均值控制在300…  相似文献   

9.
瓦里关山TSP浓度分布特征及与大气污染物排放的关系   总被引:1,自引:0,他引:1  
本文利用瓦里关山2003—2004年监测的TSP浓度资料,分析其浓度值的时间分布特征,讨论了浓度值分布与风场的相关关系;分析瓦里关山周围大气污染物中烟尘、粉尘排放情况,对大气污染物中烟尘粉尘排放对瓦里关山TSP浓度值的影响程度进行了探讨,得到了关于高原相对清洁区TSP分布的一些有意义的研究结果。  相似文献   

10.
本文采用家用除湿机作为空气水溶性物质采样器方法,并验证了该方法作为空气水溶性物质采样嚣的可行性。本文通过空气冷凝水化学成分与空气总悬浮微粒(TSP)可溶性化学成分的对比,得到水汽中大部分阴阳离子的含量只比TSP低1个数量级,而水汽中的微量元素含量与各种碳的浓度不都比TSP低,TSP中一般检测不出亚硝酸根,而水汽中则检出大量亚硝酸根。  相似文献   

11.
对塔城市大气环境质量状况及3项大气污染物变化趋势进行调查分析,结果表明:塔城市大气污染物中TSP(PM10)浓度呈下降趋势,SO2呈略微上升趋势,NOX无显著变化。TSP(PM10)浓度在冬季采暖期和夏季秋季(10月)较高,为防治塔城市空气质量变劣,需要采取积极有效的预防措施,切实保护好人类赖以生存的生态环境。  相似文献   

12.
Assessment and management of air quality for an opencast coal mining area   总被引:2,自引:0,他引:2  
A study for the assessment and management of the air quality was carried out at Lakhanpur area of Ib Valley Coalfield in Orissa state in India. The 24-h average concentrations of total suspended particulate (TSP) matter, respirable particulate matter (PM10), sulphur dioxide (SO2) and oxides of nitrogen (NOx) were monitored during 1 year period. Samplings were done at a regular interval through out the year at 13 monitoring stations in the residential areas and four monitoring stations in the mining/industrial areas. The 24-hr average TSP and PM10 concentrations ranged from 338.8 to 799.8 microg m(-3) and 102.5-425.6 microg m(-3) for industrial area, and 72.3-497.1 microg m(-3) and 40.8-171.9 microg m(-3) for residential area, respectively. During the study period 24-hr and annual average TSP and PM10 concentrations exceeded the respective standards set in the national ambient air quality standard (NAAQS) protocol at most residential and industrial areas. However, 24-hr and annual average concentrations of SO2 and NOx were well within the prescribed limit of NAAQS both in the residential and industrial areas. The annual and 24-hr average concentrations varied from 23.3 to 36.8 microg m(-3) and 16.0-55.2 microg m(-3) for SO2 and 23.9-41.9 microg m(-3) and 19.0-58.1 microg m(-3) for NOx, respectively. The temporal variations of TSP and PM10 fitted polynomial trend with an average correlation coefficient (R2) of 0.77 (+/-0.17) for TSP and 0.85 (+/-0.10) for PM10. On average the PM10 in the ambient air of the mining area constituted 31.94 (+/-1.76)% of the TSP. The linear regression correlation coefficient (R2) between TSP with PM10 and NOx with SO2 was 0.86 (+/-0.12) and 0.57 (+/-0.20), respectively. Maximal concentrations of TSP and PM10 occurred within the mining site based on the kriging technique. A management strategy is formulated for effective control of air pollution at source and other mitigative measures recommended including implementation of green belts around the sensitive areas where the concentration of air pollutants exceeded the standard limit.  相似文献   

13.
The coal mining region in northern Colombia is one of the largest open pit mining regions of the world. In 2009, there were 8 mining companies in operation with an approximate coal production of ~70 Mtons/year. Since 2007, the Colombian air quality monitoring network has reported readings that exceed the daily and annual air quality standards for total suspended particulate (TSP) matter and particles with an equivalent aerodynamic diameter smaller than 10 μm (PM??) in nearby villages. This paper describes work carried out in order to establish an appropriate clean air program for this region, based on the Colombian national environmental authority requirement for modeling of TSP and PM(10) dispersion. A TSP and PM?? emission inventory was initially developed, and topographic and meteorological information for the region was collected and analyzed. Using this information, the dispersion of TSP was modeled in ISC3 and AERMOD using meteorological data collected by 3 local stations during 2008 and 2009. The results obtained were compared to actual values measured by the air quality monitoring network. High correlation coefficients (>0.73) were obtained, indicating that the models accurately described the main factors affecting particle dispersion in the region. The model was then used to forecast concentrations of particulate matter for 2010. Based on results from the model, areas within the modeling region were identified as highly, fairly, moderately and marginally polluted according to local regulations. Additionally, the contribution particulate matter to the pollution at each village was estimated. Using these predicted values, the Colombian environmental authority imposed new decontamination measures on the mining companies operating in the region. These measures included the relocation of three villages financed by the mine companies based on forecasted pollution levels.  相似文献   

14.
本文应用污染损害综合指数法,分析了四川省渠县近5年来的大气变化及其危害程度,并运用GM(1,1)模型对渠县未来8年的大气状况作预测。结果表明,渠县大气环境主要污染物为可吸入微粒,其浓度变化呈逐年下降趋势,从2008年开始TSP有明显下降,SO2与NO2含量较低并且比较稳定。通过GM(1,1)模型对渠县空气质量进行预测得知,SO2、NO2逐渐下降,TSP的浓度将大幅度下降,在未来的8年里渠县的空气环境质量得到大幅度的提高。  相似文献   

15.
In the present study, air pollutant concentrations have been analyzed statistically with meteorological factors in the city of Elazig, which is located in the east Anatolia region of Turkey, for the months of September, October, November, December, January, February, March, and April during the years 2003 and 2004. SPSS code was used for statistical analyses. The relationship between monitored air pollutant concentrations, such as SO2 and the total suspended particles (TSP) data, and meteorological factors such as wind speed, temperature, relative humidity and pressure was investigated. According to the results of linear and non-linear regression analysis, it was found that there is a moderate and weak level of relation between the air pollutant concentrations and the meteorological factors in Elazig. The correlation between the previous day's SO2, TSP concentrations and actual concentrations of these pollutants on that day was investigated and the coefficient of determination R was found to be 0.80 and 0.76, respectively. The statistical models of SO2 and TSP, including all of the meteorological parameters, gave an R of 0.50 and 0.40, respectively. Further, in order to develop this model, the previous day's SO2 and TSP concentrations were added to the equations. The new model for SO2 and TSP was improved considerably with R = 0.85 and 0.80, respectively.  相似文献   

16.
本文以中心虚点源法为基础,通过虚设源强与误差分析相结合的方式,对某烧结厂环冷机组面源TSP(总悬浮颗粒物)无组织排放的源强进行了反推计算,得到该面源在监测期间TSP排放量范围在12300 ~ 20790mg/s,最小总误差只有9.3%.其中16 ~30μm粒径段颗粒物占的比例最大达28%.并对这种系统误差浮动产生的原因进行了分析,发现选取较大风速条件进行模拟时可以减小系统误差.同时采用spss软件对源排放量与实际工况进行了多元线性回归分析,发现环冷机的颗粒物无组织排放与其核心生产原料混匀矿相关性最大,推测该环冷机组粉尘无组织排放量大的根本原因是机组的超负荷使用.  相似文献   

17.
本文以 1995~ 1999年大气颗粒物数据为依据 ,提出了广元市城区大气中颗粒物的时空分布规律和成因分析 ,并对防治对策进行了探讨。  相似文献   

18.
以哈密市1988—2006年经济增长(GDP)和大气环境质量数据为研究对象,分析各类典型大气污染指标与人均GDP之间的关系,建立哈密市大气环境污染物排放浓度与人均GDP增长之间的回归模型,结果表明:哈密市SO2、NO2、TSP排放浓度与人均GDP增长之间基本符合标准的倒“U”型的环境库兹涅茨曲线特征。  相似文献   

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