A5079351817- Atmospheric chemistry and aerosols
- Air Quality and Health Impacts
- Toxic Organic Pollutants Impact
- Air Quality Monitoring and Forecasting
- Atmospheric Ozone and Climate
- Vehicle emissions and performance
- Wastewater Treatment and Nitrogen Removal
- Cryospheric studies and observations
- Free Radicals and Antioxidants
- Anaerobic Digestion and Biogas Production
- Supercapacitor Materials and Fabrication
- Advanced battery technologies research
- Spectroscopy and Laser Applications
- Landslides and related hazards
- Chemical Thermodynamics and Molecular Structure
- Environmental and Agricultural Sciences
- Analytical chemistry methods development
- Indoor Air Quality and Microbial Exposure
- Heavy metals in environment
- Advancements in Battery Materials
- Atmospheric and Environmental Gas Dynamics
- Electrocatalysts for Energy Conversion
- Advanced Power Generation Technologies
- Analytical Chemistry and Chromatography
- Microbial bioremediation and biosurfactants
Chinese Academy of Sciences
2014-2024
Institute of Earth Environment
2017-2024
Tongji University
2014-2021
Guilin University of Technology
2020-2021
State Key Laboratory of Pollution Control and Resource Reuse
2014-2021
Institute of Tibetan Plateau Research
2013-2017
University of Chinese Academy of Sciences
2014-2015
Suzhou Research Institute
2014
The use of snow and ice cores as recorders environmental contamination is particularly relevant for per- polyfluoroalky substances (PFASs) given their production history, differing source regions varied mechanisms driving global distribution. In a unique study perfluoroalkyl acids (PFAAs) were analyzed in dated snow-cores obtained from high mountain glaciers on the Tibetan Plateau (TP). One core was Mt Muztagata glacier (accumulation period 1980–1999), located western Tibet second Mt....
Abstract Level of surface ozone (O 3 ) has been increasing continuously in China recent years, while its contributors and formation pathways are less understood. In this study, distributions volatile organic compounds (VOCs) the roles on O pollution have investigated a typical industrial city Baoji Northwestern by means monitoring their concentrations other trace gases . The air samples collected at three sites according to urban function area. Concentration VOCs Weibin site, which near...
Abstract. The Tibetan Plateau (TP) has been contaminated by persistent organic pollutants (POPs), including legacy organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs) through atmospheric transport. exact source regions, transport pathways time trends of POPs to the TP are not well understood. Here polystyrene–divinylbenzene copolymer resin (XAD)-based passive air samplers (PASs) were deployed at 16 background sites from 2007 2012 gain further insight into spatial patterns...
Abstract. Although secondary organic aerosol (SOA) is a major component of PM2.5 and (OA) particles therefore profoundly influences air quality, climate forcing, human health, the mechanism SOA formation via Criegee chemistry poorly understood. Herein, we perform high-level theoretical calculations to study gas-phase reaction kinetics four intermediate (CI) reactions with hydroxyalkyl hydroperoxides (HHPs) for first time. The calculated results show that consecutive CIs HHPs are both...
Understanding Criegee chemistry has become one of the central topics in atmospheric studies recently. Ozonolysis unsaturated hydrocarbons is believed to be an important pathway secondary organic aerosol (SOA). However, SOA formation mechanisms via are still poorly understood. Here, we systematically study competition between HO2 and H2O2 reactions with CH2OO/anti-CH3CHOO oligomer formations. The calculated results show that oligomers having intermediates as chain units produced by sequential...
Abstract. The high contribution of secondary organic aerosol to the loading fine particle pollution in China highlights roles volatile compound (VOC) oxidation. In this respect, particulate active metallic oxides dust, like TiO2 and Fe ions, were proposed influence photochemical reactions ambient VOCs. A case study was conducted at an urban site Xi'an, northwest China, investigate origin transformation VOCs during a windblown dust-to-haze episode, assumption that dust would enhance oxidation...
Abstract. Hydroxyalkyl hydroperoxides (HHPs), formed in the reactions of Criegee intermediates (CIs) with water vapor, play essential roles formation secondary organic aerosol (SOA) under atmospheric conditions. However, transformation mechanisms for OH-initiated oxidation HHPs remain incompletely understood. Herein, quantum chemical and kinetics modeling methods are applied to explore distinct (HOCH2OOH, HOCH(CH3)OOH, HOC(CH3)2OOH) from CH2OO, anti-CH3CHOO, (CH3)2COO vapor. The calculations...