LANDFILL AIR POLLUTION BY ULTRAFINE AND MICROPARTICLES IN CASE OF DRY AND WINDLESS WEATHER CONDITIONS
- Available online in Detritus - Volume 10 - June 2020
- Pages 139-146
Released under CC BY-NC-ND
Copyright: © 2019 CISA Publisher
Abstract
In the present article we give the results for ultra-fine particles and microparticles at a landfill of municipal waste, taking into consideration various factors. The landfill is a large-scale source of dust. There is little knowledge in terms of fractional composition of dust particles. We have performed concentration measurements of the number of ultrafine (10 to 100 nm) and microparticles (0.1 to 10 μm) in the field conditions of the municipal waste landfill using the TSI Technique (Optical particle sizer 3330 and Nanoscan SMPS nanoparticle sizer 3919). The particle number concentration in the atmosphere in case of dry and windless weather conditions at the landfill was in the range of about 2,500 to 5,500 of ultrafine particles per cm3. The mass concentrations of the microparticles was in the range of 29 to 163 μg.m-3 (assuming ρ=1 g.cm-3). There was an evident trend of increase of concentration of the ultrafine particles and microparticles in the lower location of the landfill occuring in the case of dry and windless weather conditions. The surprising finding was that passing haulage vehicles and in particular the operation of the compactor increase the mass concentration of microparticles, but they do not increase the concentration of the number of microparticles or even of ultrafine particles.Keywords
Editorial History
- Received: 02 Aug 2019
- Revised: 23 Jan 2020
- Accepted: 04 Feb 2020
- Available online: 05 Mar 2020
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