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101.
Dian Ding Xuezhen Qiu Yun Zhu Carey Jang Che-Jen Lin Shuxiao Wang Joshua Fu Jian Gao Shuang Deng Junping Xie 《环境科学学报(英文版)》2016,28(4):9-18
Guangzhou is the capital and largest city(land area:7287 km2)of Guangdong province in South China.The air quality in Guangzhou typically worsens in November due to unfavorable meteorological conditions for pollutant dispersion.During the Guangzhou Asian Games in November 2010,the Guangzhou government carried out a number of emission control measures that significantly improved the air quality.In this paper,we estimated the acute health outcome changes related to the air quality improvement during the 2010 Guangzhou Asian Games using a next-generation,fully-integrated assessment system for air quality and health benefits.This advanced system generates air quality data by fusing model and monitoring data instead of using monitoring data alone,which provides more reliable results.The air quality estimates retain the spatial distribution of model results while calibrating the value with observations.The results show that the mean PM_2.5concentration in November 2010 decreased by 3.5μg/m~3 compared to that in 2009 due to the emission control measures.From the analysis,we estimate that the air quality improvement avoided 106 premature deaths,1869 cases of hospital admission,and 20,026 cases of outpatient visits.The overall cost benefit of the improved air quality is estimated to be 165 million CNY,with the avoided premature death contributing 90%of this figure.The research demonstrates that Ben MAP-CE is capable of assessing the health and cost benefits of air pollution control for sound policy making. 相似文献
102.
Current status and perspectives of accelerated carbonation processes on municipal waste combustion residues 总被引:1,自引:0,他引:1
Costa G Baciocchi R Polettini A Pomi R Hills CD Carey PJ 《Environmental monitoring and assessment》2007,135(1-3):55-75
The increasing volumes of municipal solid waste produced worldwide are encouraging the development of processes to reduce
the environmental impact of this waste stream. Combustion technology can facilitate volume reduction of up to 90%, with the
inorganic contaminants being captured in furnace bottom ash, and fly ash/APC residues. The disposal or reuse of these residues
is however governed by the potential release of constituent contaminants into the environment. Accelerated carbonation has
been shown to have a potential for improving the chemical stability and leaching behaviour of both bottom ash and fly ash/APC
residues. However, the efficacy of carbonation depends on whether the method of gas application is direct or indirect. Also
important are the mineralogy, chemistry and physical properties of the fresh ash, the carbonation reaction conditions such
as temperature, contact time, CO2 partial pressure and relative humidity. This paper reviews the main issues pertaining to the application of accelerated carbonation
to municipal waste combustion residues to elucidate the potential benefits on the stabilization of such residues and for reducing
CO2 emissions. In particular, the modification of ash properties that occur upon carbonation and the CO2 sequestration potential possible under different conditions are discussed. Although accelerated carbonation is a developing
technology, it could be introduced in new incinerator facilities as a “finishing step” for both ash treatment and reduction
of CO2 emissions. 相似文献
103.
Hua Wang Yun Zhu Carey Jang Che-Jen Lin Shuxiao Wang Joshua S.Fu Jian Gao Shuang Deng Junping Xie Dian Ding Xuezhen Qiu Shicheng Long 《环境科学学报(英文版)》2015,(3):178-188
Due to the increasingly stringent standards, it is important to assess whether the proposed emission reduction will result in ambient concentrations that meet the standards. The Software for Model Attainment Test—Community Edition(SMAT-CE) is developed for demonstrating attainment of air quality standards of O3 and PM2.5. SMAT-CE improves computational efficiency and provides a number of advanced visualization and analytical functionalities on an integrated GIS platform. SMAT-CE incorporates historical measurements of air quality parameters and simulated air pollutant concentrations under a number of emission inventory scenarios to project the level of compliance to air quality standards in a targeted future year. An application case study of the software based on the U.S. National Ambient Air Quality Standards(NAAQS) shows that SMAT-CE is capable of demonstrating the air quality attainment of annual PM2.5and 8-hour O3 for a proposed emission control policy. 相似文献