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Beibei, Qin
- Potential Analysis of Energy Conservation and Emission Reduction of Existing Buildings Retrofit in Chongqing in Medium and Long Term
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Authors
Affiliations
1 School of Construction Management and Real Estate, Chongqing University, Chongqing, 400045, CN
2 School of Construction Management and Engineering, University of Reading, Reading, RG6 6AB, GB
1 School of Construction Management and Real Estate, Chongqing University, Chongqing, 400045, CN
2 School of Construction Management and Engineering, University of Reading, Reading, RG6 6AB, GB
Source
Nature Environment and Pollution Technology, Vol 13, No 4 (2014), Pagination: 737-742Abstract
Based on current situation and relative plan of energy efficiency of existing buildings, the authors aim to explore the potential of energy conservation and emission reduction of existing buildings retrofit in Chongqing, in medium and long term (2016-2035). Scenario analysis is used to predict energy conservation of existing residential buildings and commercial buildings from 2016 to 2035. The authors create three potential future policy and market scenarios, which include baseline scenario as the Twelfth Five-year (2011-2015) plan, optimism scenario and pessimistic scenario. The results showed that there exists great potential for energy conservation of existing buildings in Chongqing. In the Sixth Five-year (2031-2035), reasonable policy and market intensify will cause energy conservation potential to rise up to 117,100 tons of SCE, and reduce 353,800 tons of CO2. Existing commercial buildings are the key to promote building energy conservation, while existing residential buildings with increasing energy intensity should be an important issue in long term.Keywords
Energy Conservation, Emission Reduction, Building Retrofit, Scenario Analysis.Full Text
- Effect of Construction Dust on Urban PM2.5 Emission Characteristics:A Case Study of the Main Urban Area of Chongqing, China
Abstract Views :219 |
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Authors
Affiliations
1 School of Construction, Management and Real Estate, Chongqing University, Chongqing, 400045, CN
2 School of Build Environment, University of Reading, Reading, RG6 6AW, GB
1 School of Construction, Management and Real Estate, Chongqing University, Chongqing, 400045, CN
2 School of Build Environment, University of Reading, Reading, RG6 6AW, GB
Source
Nature Environment and Pollution Technology, Vol 15, No 3 (2016), Pagination: 833-840Abstract
This paper attempts to accurately evaluate the contribution of construction dust to China's PM2.5 emissions in order to increase environmental authorities' efficiency at managing emissions in urban environments. The study was conducted in the main urban area of Chongqing. Three typical construction sites were designated as the study area, where PM2.5 emission concentration data were collected through field investigation and processed by an AERMOD model. PM2.5 emission intensity and annual average PM2.5 emissions from construction dust in the study area were also ascertained. The results showed that the PM2.5 emission intensity and annual average PM2.5 emissions from construction dust in the study area were 0.0059 kg/m2 month and 6220.5 t, respectively. The PM2.5 emission concentration of construction dust showed a negative correlation with real-time wind speed. This paper's conclusions can serve as a reference for related departments that make decisions on PM2.5 emission management.Keywords
Construction Dust, PM2.5 Emission, AERMOD Model.Full Text
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