DOI: 10.1016/j.atmosenv.2017.05.001
Scopus记录号: 2-s2.0-85019049182
论文题名: Impact assessment of biomass-based district heating systems in densely populated communities. Part II: Would the replacement of fossil fuels improve ambient air quality and human health?
作者: Petrov O ; , Bi X ; , Lau A
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2017
卷: 161 起始页码: 191
结束页码: 199
语种: 英语
英文关键词: Air quality dispersion modeling
; Disability adjusted life years
; Fuel consumption
; Health-related impact score
; Intake fraction
Scopus关键词: Air intakes
; Air quality
; Biomass
; District heating
; Emission control
; Fuel consumption
; Fuels
; Gas emissions
; Gasification
; Greenhouse gases
; Health
; Heating
; Heating equipment
; Natural gas
; Nitrogen oxides
; Pollution
; Pollution control
; Pollution induced corrosion
; Quality control
; Air quality dispersion models
; Background concentration
; Biomass gasification plant
; Disability adjusted life years
; District heating system
; Greenhouse gas emission reduction
; Intake fraction
; Pollution control devices
; Fossil fuels
; fossil fuel
; natural gas
; nitrogen dioxide
; nitrogen oxide
; air quality
; ambient air
; biomass
; combustion
; fossil fuel
; health impact
; heating
; nitrogen dioxide
; particulate matter
; pollution control
; public health
; air pollutant
; air quality
; ambient air
; Article
; biomass
; concentration (parameters)
; exhaust gas
; gasification
; health impact assessment
; heating
; human
; particulate matter
; pollution control
; priority journal
; seasonal variation
Scopus学科分类: Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
英文摘要: To determine if replacing fossil fuel combustion with biomass gasification would impact air quality, we evaluated the impact of a small-scale biomass gasification plant (BRDF) at a university campus over 5 scenarios. The overall incremental contribution of fine particles (PM2.5) is found to be at least one order of magnitude lower than the provincial air quality objectives. The maximum PM2.5 emission from the natural gas fueled power house (PH) could adversely add to the already high background concentration levels. Nitrogen dioxide (NO2) emissions from the BRDF with no engineered pollution controls for NOx in place exceeded the provincial objective in all seasons except during summer. The impact score, IS, was the highest for NO2 (677 Disability Adjusted Life Years, DALY) when biomass entirely replaced fossil fuels, and the highest for PM2.5 (64 DALY) and CO (3 DALY) if all energy was produced by natural gas at PH. Complete replacement of fossil fuels by one biomass plant can result in almost 28% higher health impacts (708 DALY) compared to 513 DALY when both the current BRDF and the PH are operational mostly due to uncontrolled NO2 emissions. Observations from this study inform academic community, city planners, policy makers and technology developers on the impacts of community district heating systems and possible mitigation strategies: a) community energy demand could be met either by splitting emissions into more than one source at different locations and different fuel types or by a single source with the least-impact-based location selection criteria with biomass as a fuel; b) advanced high-efficiency pollution control devices are essential to lower emissions for emission sources located in a densely populated community; c) a spatial and temporal impact assessment should be performed in developing bioenergy-based district heating systems, in which the capital and operational costs should be balanced with not only the benefit to greenhouse gas emission reduction but also the health impact to the local community. © 2017 Elsevier Ltd Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/82351
Appears in Collections: 气候变化事实与影响
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作者单位: University of British Columbia, Vancouver, British Columbia, Canada; British Columbia Institute of Technology, Burnaby, British Columbia, Canada
Recommended Citation:
Petrov O,, Bi X,, Lau A. Impact assessment of biomass-based district heating systems in densely populated communities. Part II: Would the replacement of fossil fuels improve ambient air quality and human health?[J]. Atmospheric Environment,2017-01-01,161