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Effects of Ambient Temperature and Humidity on Natural Deposition Characteristics of Airborne Biomass Particles

Author

Listed:
  • Ye Yuan

    (School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China)

  • Shuo Li

    (School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China)

  • Tiancong Chen

    (School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China)

  • Jianlin Ren

    (School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China)

Abstract

In the production process of biomass energy with crop straw as the raw material, the indoor dust environment created by smashed plant fiber can affect the health of workers and lead to the risk of fire and explosions. The physical properties of biomass vary with the ambient air conditions, resulting in different deposition processes for airborne biomass particles. In this study, the deposition of biomass particles in different environments in an experimental chamber was examined by independently controlling the internal temperature and relative humidity. The results show that in the ambient temperature range of 20~40 °C and at a relative humidity of 25~65%, the water absorption rates of the biomass particles were 15.4~24.7%. The deposition rates of the airborne biomass particles with different sizes were 0.9~2.9 h −1 , which positively correlated with the particle sizes in the same ambient conditions. The increase in ambient temperature and relative humidity promoted the deposition of biomass particles with diameters over 0.5 μm. For the particles with diameters below 0.5 μm, the deposition rates were nonlinearly related to the ambient temperature and relative humidity and were greater at lower temperatures. The significance levels of the factors influencing the particle deposition were particle size > ambient temperature > ambient relative humidity. For the biomass particles below 0.5 μm, the influence of the relative humidity on the deposition was much weaker than that of the temperature.

Suggested Citation

  • Ye Yuan & Shuo Li & Tiancong Chen & Jianlin Ren, 2023. "Effects of Ambient Temperature and Humidity on Natural Deposition Characteristics of Airborne Biomass Particles," IJERPH, MDPI, vol. 20(3), pages 1-14, January.
    • Handle: RePEc:gam:jijerp:v:20:y:2023:i:3:p:1890-:d:1041672
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    References listed on IDEAS

    as
    1. Gyeong-Min Kim & Dae-Gyun Lee & Chung-Hwan Jeon, 2019. "Fundamental Characteristics and Kinetic Analysis of Lignocellulosic Woody and Herbaceous Biomass Fuels," Energies, MDPI, vol. 12(6), pages 1-16, March.
    2. Akshay Gharpure & James William Heim & Randy L. Vander Wal, 2021. "Characterization and Hazard Identification of Respirable Cement and Concrete Dust from Construction Activities," IJERPH, MDPI, vol. 18(19), pages 1-12, September.
    3. Ling Qin & Mengjun Wang & Jinfu Zhu & Yuhu Wei & Xintao Zhou & Zheng He & Shaohui Wang, 2021. "Towards Circular Economy through Waste to Biomass Energy in Madagascar," Complexity, Hindawi, vol. 2021, pages 1-10, June.
    4. Era Upadhyay & Afnan Ahmad Mohammad AlMass & Nandita Dasgupta & Safikur Rahman & Jihoe Kim & Manali Datta, 2019. "Assessment of Occupational Health Hazards Due to Particulate Matter Originated from Spices," IJERPH, MDPI, vol. 16(9), pages 1-13, April.
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