Evaluation of the efficiency of a Venturi scrubber in particulate matter collection smaller than 2.5 µm emitted by biomass burning

Evaluation of the efficiency of a Venturi scrubber in particulate matter collection smaller than 2.5 µm emitted by biomass burning

Energy demand has increased worldwide, and biomass burning is one of the solutions most used by industries, especially in countries that have a great potential in agriculture, such as Brazil. However, these energy sources generate pollutants, consisting of particulate matter (PM) with a complex chem...

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Published in:Environmental science and pollution research international Vol. 30; no. 4; pp. 8835 - 8852
Main Authors: Costa, Maria Angélica Martins, da Silva, Bruno Menezes, de Almeida, Sâmilla Gabriella Coelho, Felizardo, Marcos Paulo, Costa, Ana Flávia Martins, Cardoso, Arnaldo Alves, Dussán, Kelly Johana
Format: Journal Article
Language:English
Published: Berlin/Heidelberg Springer Berlin Heidelberg 2023
Subjects:
Air Pollutants - analysis
Air Pollution - analysis
Aquatic Pollution
Atmospheric Protection/Air Quality Control/Air Pollution
Biomass
Cellulose - analysis
Earth and Environmental Science
Ecotoxicology
Effective Waste Management with Emphasis on Circular Economy
Environment
Environmental Chemistry
Environmental Health
Environmental Monitoring
Environmental Pollutants - analysis
Particle Size
Particulate Matter - analysis
Saccharum
Waste Water Technology
Water Management
Water Pollution Control
Venturi scrubber
Air pollution
Control
Biomass
Clean emission
Particulate matter
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Summary:Energy demand has increased worldwide, and biomass burning is one of the solutions most used by industries, especially in countries that have a great potential in agriculture, such as Brazil. However, these energy sources generate pollutants, consisting of particulate matter (PM) with a complex chemical composition, such as sugarcane bagasse (SB) burning. Controlling these emissions is necessary; therefore, the aim was to evaluate PM collection using a rectangular Venturi scrubber (RVS), and its effects on the composition of the PM emitted. Considering the appropriate use of biomass as an industrial fuel and the emerging need for a technique capable of efficiently removing pollutants from biomass burning, this study shows the control of emissions as an innovation in a situation such as the industrial one with the use of a Venturi scrubber in fine particle collection, in addition to using portable and representative isokinetic sampling equipment of these particles. The pilot-scale simulation of the biomass burning process, the representative sampling of fine particles and obtaining parameters to control pollutant emissions for a Venturi scrubber, meets the current situation of concern about air quality. The average collection efficiency values were 96.6% for PM > 2.5 , 85.5% for PM 1.0–2.5 , and 66.9% for PM < 1.0 . The ionic analysis for PM < 1.0 filters showed potassium, chloride, nitrate, and nitrite at concentrations ranging from 20.12 to 36.5 μg/m 3 . As the ethanol and sugar plants will continue to generate electricity with sugarcane bagasse burning, emission control technologies and cost-effective and efficient portable samplers are needed to monitor particulate materials and improve current gas cleaning equipment projects.
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Responsible Editor: Gerhard Lammel
ISSN:1614-7499
0944-1344
1614-7499
DOI:10.1007/s11356-022-22786-3