A5100626960- Air Quality and Health Impacts
- Atmospheric chemistry and aerosols
- Vehicle emissions and performance
- Air Quality Monitoring and Forecasting
- Toxic Organic Pollutants Impact
- Atmospheric aerosols and clouds
- Groundwater flow and contamination studies
- Geoscience and Mining Technology
- Effects and risks of endocrine disrupting chemicals
- Atmospheric Ozone and Climate
- Hydrology and Watershed Management Studies
- Microplastics and Plastic Pollution
- Energy and Environment Impacts
- Pharmaceutical and Antibiotic Environmental Impacts
- Catalytic Processes in Materials Science
- Groundwater and Isotope Geochemistry
- Geomechanics and Mining Engineering
- Wastewater Treatment and Nitrogen Removal
- Industrial Gas Emission Control
- Soil Carbon and Nitrogen Dynamics
- Odor and Emission Control Technologies
- Indoor Air Quality and Microbial Exposure
- Aquatic Ecosystems and Phytoplankton Dynamics
- Thermochemical Biomass Conversion Processes
- Aerosol Filtration and Electrostatic Precipitation
Beihang University
2015-2024
Tianjin Centers for Disease Control and Prevention
2024
Northwest Normal University
2024
Shandong University of Science and Technology
2014-2023
Chinese Research Academy of Environmental Sciences
2021-2022
Southeast University
2018-2021
Yuhuangding Hospital
2020
Qingdao University
2020
Xi'an Jiaotong University
2014-2020
Hebei Medical University
2020
Field measurements were conducted to determine particulate emissions and trace gas emissions, including CO2, CO, CH4, NMHCs, NOx, NH3, N2O, SO2, from open burning of wheat straw maize stover, two major agricultural residues in China. The headfire ignition technique was adopted, sampling performed downwind the fire. Particulate matter (PM) emission factors determined using carbon mass-balance method. Particle mass size distributions show a prominent accumulation mode peak at 0.26-0.38 microm....
Abstract. A revised Community Multi-scale Air Quality (CMAQ) model with updated secondary organic aerosol (SOA) yields and a more detailed description of SOA formation from isoprene oxidation was applied to study the spatial temporal distribution in China entire year 2013. Predicted carbon (OC), elemental volatile compounds agreed favorably observations at several urban areas, although high OC concentrations wintertime Beijing were under-predicted. summer generally higher (10–15 µg m−3) due...
Field measurements were conducted in four representative rural areas across China to determine carbonaceous aerosol emissions from combustion of household biofuel. Results showed that the size distribution both black carbon (BC) and organic (OC) peaked at 0.26−0.38 μm. OC accounted for a significant fraction fine particles wheat residue all categories, whereas BC fuel wood categories. The emission factors crop wastes are 0.43 ± 0.32 1.93 1.00 g/kg OC, respectively. woody 1.49 0.69 1.13 0.40...
Abstract Direct household use of unprocessed raw coals for cooking and heating without any air pollution control device has caused serious indoor outdoor environment problems by emitting particulate matter (PM) gaseous pollutants. This study examined emission reduction switching from bituminous anthracite to processed semi-coke briquettes. Two typical stoves were used test characteristics when burning 20 coal samples commonly in residential activities 15 briquette which made industrial...
Abstract. Humic-like substances (HULIS) are a mixture of high-molecular-weight, water-soluble organic compounds that widely distributed in atmospheric aerosol. Their sources rarely studied quantitatively. Biomass burning is generally accepted as major primary source ambient humic-like with additional secondary material formed the atmosphere. However, present study provides direct evidence residential coal also significant HULIS, especially heating season northern China based on measurements,...
Field measurements in rural households were conducted three Chinese municipalities/provinces (Beijing, Chongqing, and Henan) to determine the emission characteristics of particulate matter from biofuel combustion. The selected types stove are representative local areas. Particle number concentration, size distribution, mass distribution determined. Both particle these emissions dominated by submicrometer particles. factor PM2.5 combustion is between 1.80 7.00 g/kg (dry basis) 0.84−2.40 g/MJ...
To evaluate the process of nitrate accumulation and leaching in surface ground water, we conducted simulated rainfall experiments. The experiments were performed areas 5.3 m2 with bare slopes 3° that treated two nitrogen fertilizer inputs, high (22.5 g/m2 NH4NO3) control (no fertilizer), subjected to 2 hours rainfall, with. From 1st 7th experiments, same content mixed soil was uniformly applied at 10 minutes before no for 8th through 12th Initially, time-series concentration flow quickly...
The impact of chlorine (Cl) chemistry on the formation secondary organic aerosol (SOA) during a severe wintertime air pollution episode is investigated in this study. Community Multiscale Air Quality (CMAQ) model v5.0.1 with modified SAPRC-11 gas-phase mechanism and heterogeneous reactions for reactive species updated to include radical (Cl•)-initiated SOA (Cl-SOA) from aromatic compounds, terpenes, isoprene. Reported yield data Cl-SOA environmental chamber studies are used derive mass...
Abstract In this investigation, the collection efficiency of particulate emission control devices (PECDs), matter (PM) emissions, and PM size distribution were determined experimentally at inlet outlet PECDs five coal-fired power plants. Different boilers, coals, are used in these Measurement situ was performed by an electrical low-pressure impactor with a sampling system, which consisted isokinetic sampler probe, precut cyclone, two-stage dilution system sample line to instruments. The...
Daily PM2.5 samples were collected in Beijing across four consecutive seasons from June 2012 to April 2013. Major water-soluble inorganic ions, carbonaceous species and elements analyzed investigate their temporal variations evaluate contributions visibility impairment over different under pollution levels. The mass concentrations of ranged 4.3 592.4 µg m–3, with an annual average 112.4 ± 94.4 m–3. predominant components secondary ions (NH4+, NO3– SO42–) compounds, which accounted for 45.9%...