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1. Progressively narrow the gap of PM2.5 pollution characteristics at urban and suburban sites in a megacity of Sichuan Basin, China

Author:
Ning Wang; Li Zhou; Miao Feng; Tianli Song; Zhuoran Zhao; Danlin Song; Qinwen Tan; Fumo Yang
Source:
Journal of environmental sciences (China) 2023 v.126 pp. 708-721
ISSN:
1001-0742
Subject:
particulate emissions,   etc   ; aerosols; autumn; basins; biomass; cities; coal; combustion; nitrates; organic carbon; pollution; risk; steel; sulfates; water content; winter; China;     Show all 17 Subjects
Abstract:
... Nowadays, the fine particle pollution is still severe in some megacities of China, especially in the Sichuan Basin, southwestern China. In order to understand the causes, sources, and impacts of fine particles, we collected PM₂.₅ samples and analyzed their chemical composition in typical months from July 2018 to May 2019 at an urban and a suburban (background) site of Chengdu, a megacity in this r ...
DOI:
10.1016/j.jes.2022.05.017

2. Study of durability of diesel vehicle emissions performance based on real driving emission measurement

Author:
Lijun Hao; Zhouhui Zhao; Hang Yin; Junfang Wang; Lanju Li; Wenhui Lu; Yunshan Ge; Åke Sjödin
Source:
Chemosphere 2022 v.297 pp. 134171
ISSN:
0045-6535
Subject:
particulate emissions,   etc   ; durability; engines; testing;     Show all 4 Subjects
Abstract:
... Diesel vehicle emissions generally deteriorate with vehicle mileage due to the wear and deterioration of vehicle parts. Most of the experimental studies on vehicle emission durability were carried out based on the standard operation cycles of engine or vehicle, few research investigated vehicle emission deterioration characteristics under real driving conditions. In this research, the real driving ...
DOI:
10.1016/j.chemosphere.2022.134171

3. Exhaust and non-exhaust airborne particles from diesel and electric buses in Xi'an: A comparative analysis

Author:
Ruisen Jiang; Ye Liu; Dawei Hu; Lan Zhu
Source:
Chemosphere 2022 v.306 pp. 135523
ISSN:
0045-6535
Subject:
particulate emissions,   etc   ; air quality; dust; guidelines; particulates;     Show all 5 Subjects
Abstract:
... Switching diesel buses (DBs) to electric buses (EBs) has been a global trend to reduce the use of fossil fuels and improve air quality. However, buses electrification may lead to additional vehicle weight, which may emit more non-exhaust particulate matter (PM) emissions. It remains debatable whether buses' electrification will successfully improve air quality as excepted. To assess the effect of ...
DOI:
10.1016/j.chemosphere.2022.135523

4. In-Use Passenger Vessel Emission Rates of Black Carbon and Nitrogen Oxides

Author:
Rebecca A. Sugrue; Chelsea V. Preble; Anna G. Tarplin; Thomas W. Kirchstetter
Source:
Environmental science & technology 2022 v.56 no.12 pp. 7679-7686
ISSN:
1520-5851
Subject:
particulate emissions,   etc   ; carbon; environmental science; nitrogen; California;     Show all 5 Subjects
Abstract:
... This study quantified emission factors of black carbon (BC) and nitrogen oxides (NOₓ) from 21 engines on in-use excursion vessels and ferries operating in California’s San Francisco Bay, including EPA uncertified and Tier 1–4 engines and across engine operating modes. On average, ∼60 fuel-based emission factors per engine were measured using a novel combination of exhaust plume capture combined wi ...
DOI:
10.1021/acs.est.2c00435

5. Including engine data for energy and pollutants assessment into the vehicle specific power methodology

Author:
Zamir Mera; Roberto Varella; Patrícia Baptista; Gonçalo Duarte; Fredy Rosero
Source:
Applied energy 2022 v.311 pp. 118690
ISSN:
0306-2619
Subject:
particulate emissions,   etc   ; carbon dioxide; emissions factor; energy; models;     Show all 5 Subjects
Abstract:
... Vehicle emission models are relevant for evaluating the performance of vehicle technologies and help in the definition of environmental policies. This paper presents an improved emissions modelling approach (named VSP+M) by combining the vehicle specific power (VSP) with load-regime engine maps for each VSP mode. The new modelling enabled to link tailpipe emissions to vehicle and engine operating ...
DOI:
10.1016/j.apenergy.2022.118690

6. Effects of meteorological parameters and fuel composition on the air pollution production from motor vehicles

Author:
Hamideh Heydarzadeh; Hamidreza Jafari; Saeed Karimi
Source:
Environmental monitoring and assessment 2022 v.194 no.4 pp. 236
ISSN:
0167-6369
Subject:
particulate emissions,   etc   ; air; air pollution; cold; models; sulfur;     Show all 6 Subjects
Abstract:
... The aim of this study was to investigate the effect of changes in meteorological parameters and fuel composition on the emission rate of air pollutants in the vehicle fleet of the Tehran Metropolis. The results of this study can be used in management decisions to reduce the emission of air pollutants. In this paper, based on the international vehicle emission model and using mathematical equations ...
DOI:
10.1007/s10661-022-09866-0

7. Particulate matter emission during MSW/RDF/WW combustion: Inorganic minerals distribution, transformation and agglomeration

Author:
Wu Yang; Deepak Pudasainee; Rajender Gupta; Wei Li; Ben Wang; Lushi Sun
Source:
Fuel processing technology 2022 v.228 pp. 107166
ISSN:
0378-3820
Subject:
particulate emissions,   etc   ; calcium oxide; combustion; heavy metals; particulates;     Show all 5 Subjects
Abstract:
... In this study, experimental results on size distribution, inorganic element distribution, and inorganic minerals composition/transformation of particulate matter generated from solid waste combustion are revealed. The results showed that the PM₁₀ generated from solid waste combustion exhibited a trimodal distribution. The yields of PM₁ and PM₁₀ shows a linear correlation with the (Na₂O + K₂O)/(SiO ...
DOI:
10.1016/j.fuproc.2022.107166

8. Detecting candidate high NOx emitting light commercial vehicles using vehicle emission remote sensing

Author:
Zhuoqian Yang; James E. Tate; Christopher E. Rushton; Eleonora Morganti; Simon P. Shepherd
Source:
Science of the total environment 2022 v.823 pp. 153699
ISSN:
0048-9697
Subject:
particulate emissions,   etc   ; environment; environmental performance; manufacturing; Belgium; Sweden; Switzerland;     Show all 7 Subjects
Abstract:
... Vehicle emission remote sensing devices have been widely used for monitoring and assessing the real-world emission performance of vehicles. They are also well-suited to identify candidate high emitting vehicles as remote sensing surveys measure the on-road, real-driving emissions (RDE) of a high proportion of the operational vehicle fleet passing through a testing site. This study uses the Gumbel ...
DOI:
10.1016/j.scitotenv.2022.153699

9. Effect of oxidative torrefaction on particulate matter emission from agricultural biomass pellet combustion in comparison with non-oxidative torrefaction

Author:
Wei Cheng; Jing'ai Shao; Youjian Zhu; Wennan Zhang; Hao Jiang; Junhao Hu; Xiong Zhang; Haiping Yang; Hanping Chen
Source:
Renewable energy 2022 v.189 pp. 39-51
ISSN:
0960-1481
Subject:
particulate emissions,   etc   ; biomass; combustion; cotton; oxygen; particulates; temperature; torrefaction;     Show all 8 Subjects
Abstract:
... Torrefaction could improve the fuel properties and reduce the operating costs. However, the particulate matter (PM) emission behavior during the torrefied pellet combustion remains unknown. In this work, cotton stalk was torrefied at a temperature of 220–300 °C with a O₂ concentration of 0–21%. The torrefied pellet was burned out and PM emission behavior was investigated using a Dekati low-pressur ...
DOI:
10.1016/j.renene.2022.03.032

10. Suggestion on further strengthening ultra-low emission standards for PM emission from coal-fired power plants in China

Author:
Jianguo Deng; Shumin Wang; Jiawei Zhang; Yi Zhang; Jingkun Jiang; Yongzheng Gu; Tao Han; Lei Feng; Jian Gao; Lei Duan
Source:
Journal of environmental sciences (China) 2022 pp. -
ISSN:
1001-0742
Subject:
particulate emissions,   etc   ; air pollutants; coal; particulates; power generation; China;     Show all 6 Subjects
Abstract:
... China has established the largest clean coal-fired power generation system in the world by accomplishing the technological transformation of coal-fired power plants (CFPPs) to achieve ultra-low emission. The potential for further particulate matter (PM) emission reduction to achieve near-zero emission for CFPPs has become a hotspot issue. In this study, PM emission from some ultra-low emission CFP ...
DOI:
10.1016/j.jes.2022.03.007

11. Chemical characterisation of PM10 from ship emissions: a study on samples from hydrofoil exhaust stacks

Author:
Elena Chianese; Giuseppina Tirimberio; Luca Appolloni; Adelaide Dinoi; Daniele Contini; Alessia Di Gilio; Jolanda Palmisani; Pietro Cotugno; Daniela Valeria Miniero; Ulrike Dusek; Gennaro Cammino; Angelo Riccio
Source:
Environmental science and pollution research 2022 v.29 no.12 pp. 17723-17736
ISSN:
0944-1344
Subject:
particulate emissions,   etc   ; coasts; organic carbon; pollution; research; traffic; Italy;     Show all 7 Subjects
Abstract:
... A chemical characterization of PM₁₀ collected at hydrofoil exhaust stacks was performed conducting two on-board measuring campaigns, with the aim of assessing the ship emission impact on PM₁₀ collected in the coastal area of Naples (Southern Italy) and providing information about the characteristics of this important PM emission source.Samples were analysed determining the contribution of differen ...
DOI:
10.1007/s11356-021-17035-y

12. How can new energy vehicles become qualified relays from the perspective of carbon neutralization? Literature review and research prospect based on the CiteSpace knowledge map

Author:
Yifei Hua; Feng Dong
Source:
Environmental science and pollution research 2022 v.29 no.37 pp. 55473-55491
ISSN:
0944-1344
Subject:
particulate emissions,   etc   ; batteries; carbon; databases; energy; markets; neutralization; pollution; research;     Show all 9 Subjects
Abstract:
... Analyzing the feasibility of fuel vehicle transition will be conducive to the realization of the carbon neutralization goal. However, at present, there are few studies specifically aimed at the transition of fuel vehicles. Therefore, this study first analyzed the necessity for the transition of fuel vehicles and then used CiteSpace to analyze 2081 articles in the core Web of Science database in th ...
DOI:
10.1007/s11356-022-21096-y

13. A review of the potentiality of biochar technology to abate emissions of particulate matter originating from agriculture

Author:
D. Luyima; M. Egyir; J.-H. Lee; J.-H. Yoo; T.-K. Oh
Source:
International journal of environmental science and technology 2022 v.19 no.4 pp. 3411-3428
ISSN:
1735-1472
Subject:
particulate emissions,   etc   ; biochar; climate; environmental science; human health; particulates; pyrolysis; technology;     Show all 8 Subjects
Abstract:
... Agricultural operations and processes generate copious quantities of particulate matter (PM) both directly and indirectly through emissions of PM precursor gases with dire consequences for human health, environment and climate. PM emissions from agricultural activities are projected to continually rise in the light of soaring food demand driven by a ballooning global population, and thus, plausibl ...
DOI:
10.1007/s13762-021-03267-5

14. Ammonia in urban atmosphere can be substantially reduced by vehicle emission control: A case study in Shanghai, China

Author:
Can Wu; Shaojun Lv; Fanglin Wang; Xiaodi Liu; Jin Li; Lang Liu; Si Zhang; Wei Du; Shijie Liu; Fan Zhang; Jianjun Li; Jingjing Meng; Gehui Wang
Source:
Journal of environmental sciences (China) 2023 v.126 pp. 754-760
ISSN:
1001-0742
Subject:
particulate emissions,   etc   ; air quality; ammonia; ammonium; case studies; isotopes; nitrogen; pollution; China;     Show all 9 Subjects
Abstract:
... To investigate the impact of emission controls on ammonia (NH₃) pollution in urban atmosphere, observation on NH₃ (1 hr interval) was performed in Shanghai before, during and after the 2019 China International Import Expo (CIIE) event, along with measurements on inorganic ions, organic tracers and stable nitrogen isotope compositions of ammonium in PM₂.₅. NH₃ during the CIIE period was 6.5±1.0 μg/ ...
DOI:
10.1016/j.jes.2022.04.043

15. DEM2GATE: Combining discrete element method simulation with virtual positron emission particle tracking experiments

Author:
M.T. Herald; J.A. Sykes; D. Werner; J.P.K. Seville; C.R.K. Windows-Yule
Source:
Powder technology 2022 v.401 pp. 117302
ISSN:
0032-5910
Subject:
particulate emissions,   etc   ; detectors; drums (equipment); electrons; image analysis; libraries; measurement; particles; powders; technology;     Show all 10 Subjects
Abstract:
... Positron Emission Particle Tracking (PEPT) is a Lagrangian particle tracking technique useful for imaging flow in opaque granular media. The scientific and industrial systems studied using PEPT and the PEPT technique can also be simulated: Discrete Element Method (DEM) for granular systems and Monte Carlo for PEPT. Using the open-source DEM2GATE library, we quantify the reconstruction of particle ...
DOI:
10.1016/j.powtec.2022.117302

16. Developing and analyzing eco-driving strategies for on-road emission reduction in urban transport systems - A VR-enabled digital-twin approach

Author:
Zheng Xu; Tanghan Jiang; Nan Zheng
Source:
Chemosphere 2022 v.305 pp. 135372
ISSN:
0045-6535
Subject:
particulate emissions,   etc   ; case studies; computer simulation; data collection; models; roadsides; traffic; vehicles (equipment);     Show all 8 Subjects
Abstract:
... A vast number of pollutants are generated from on-road commuting vehicles, and there is an increasing need to explore vehicle emission monitoring and mitigation strategies. Traditionally, vehicle emissions can be monitored and measured directly from on-vehicle devices such as a sensor at the tailpipe, or based on expensive data collection tools such as roadside units; while another mainstream rese ...
DOI:
10.1016/j.chemosphere.2022.135372

17. Intermodal comparison of tailpipe emission rates between transit buses and private vehicles for on-road passenger transport

Author:
Tongchuan Wei; H. Christopher Frey
Source:
Atmospheric environment 2022 v.281 pp. 119141
ISSN:
1352-2310
Subject:
particulate emissions,   etc   ; carbon dioxide; energy; environment; gasoline; models; natural gas; particulates; pollutants; travel;     Show all 10 Subjects
Abstract:
... Modal shift from private vehicles (PVs) to transit buses has the potential to reduce energy use and emissions from on-road passenger transport. Comparisons between these modes may be sensitive to key factors, such as vehicle size, fuel and powertrains, passenger load, and travel routes. The objectives are to evaluate the sensitivity of emission rates to route alignment, and compare emission rates ...
DOI:
10.1016/j.atmosenv.2022.119141

18. Super-learner model realizes the transient prediction of CO2 and NOx of diesel trucks: Model development, evaluation and interpretation

Author:
Ning Wei; Qijun Zhang; Yanjie Zhang; Jiaxin Jin; Junyu Chang; Zhiwen Yang; Chao Ma; Zhenyu Jia; Chunzhe Ren; Lin Wu; Jianfei Peng; Hongjun Mao
Source:
Environment international 2022 v.158 pp. 106977
ISSN:
0160-4120
Subject:
particulate emissions,   etc   ; carbon dioxide; environment; greenhouse gases; models; pollutants; prediction; purification methods; China;     Show all 9 Subjects
Abstract:
... The transient simulation of CO₂ and NOX from motor vehicles has essential applications in evaluating vehicular greenhouse gas emissions and pollutant emissions. However, accurately estimating vehicular transient emissions is challenging due to the heterogeneity between different vehicles and the continuous upgrading of vehicle exhaust purification technology. To accurately characterize the transie ...
DOI:
10.1016/j.envint.2021.106977

19. Parameter optimization of waste coal briquetting and particulate matter emissions test during combustion: A case study

Author:
Zhenkun Guo; Zekai Miao; Fanhui Guo; Yang Guo; Yonghui Feng; Jianjun Wu; Yixin Zhang
Source:
Environmental pollution 2022 v.294 pp. 118621
ISSN:
0269-7491
Subject:
particulate emissions,   etc   ; byproducts; case studies; combustion; compression strength; lignite; models; particulates; pollution; variance;     Show all 10 Subjects
Abstract:
... The abundant coal powder generated as a waste by-product during the lignite upgrading process is harmful to the environment. Lignite briquetting offers a practical solution for lignite usage. Altering the process parameters of briquetting can significantly improve briquette quality. In this paper, the characteristics of lignite briquettes, including drop strength and compressive strength were inve ...
DOI:
10.1016/j.envpol.2021.118621

20. Temporal-spatial dynamic characteristics of vehicle emissions on intercity roads in Guangdong Province based on vehicle identity detection data

Author:
Hui Ding; Yongming Zhao; Shenhua Miao; Tong Chen; Yonghong Liu
Source:
Journal of environmental sciences (China) 2022 pp. -
ISSN:
1001-0742
Subject:
particulate emissions,   etc   ; air; gasoline; river deltas; rivers; roads; spatial variation; traffic; travel; China;     Show all 10 Subjects
Abstract:
... Estimating intercity vehicle emissions precisely would benefit collaborative control in multiple cities. Considering the variability of emissions caused by vehicles, roads, and traffic, the 24-hour change characteristics of air pollutants (CO, HC, NOX, PM₂.₅) on the intercity road network of Guangdong Province by vehicle categories and road links were revealed based on vehicle identity detection d ...
DOI:
10.1016/j.jes.2022.06.034