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Fume and gas emission during arc welding: Hazards and recommendation.

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Title: Fume and gas emission during arc welding: Hazards and recommendation.
Authors: Popovic, Olivera1 opopovic@mas.bg.ac.rs, Prokic-Cvetkovic, Radica1, Burzic, Meri2, Lukic, Uroš2, Beljic, Biljana3
Source: Renewable & Sustainable Energy Reviews. Sep2014, Vol. 37, p509-516. 8p.
Subject Terms: *Greenhouse gas mitigation, *Manufacturing processes, *Climate change, Electric welding, Welding fumes, Filler materials
Abstract: Welding is the principal industrial process used for joining metals, but at the same time, it's the significant source of toxic fumes and gases emission. With the advent of new types of welding procedures and consumables, the number of welders exposed to welding fumes is growing constantly in spite of the mechanisation and automation of the process. Having in mind that, in some cases, toxic fumes and gases can be over the respective limits for toxic substances, one of the most important requirements for chosen welding procedure is its harmlessness to the environment. The health aspects associated with welding are complex and the industry is continuing its research to evaluate the effects of the welder's exposure to typical constituents of welding fumes and gases, as well as its impact on what concerns climatic changes. The aim of this paper is to estimate the influence of the type of filler material on the emission of toxic substances, and to show the potential hazards. In order to determine that effect, microalloyed steel has been welded using two different filler materials (metal cored wire and self-shielded wire). The concentrations of emitted total dust, CO2, CO, SO, Mn, Ni, Al, Cr, Cr(VI), Ca and P were measured. By comparing results for both filler materials, it was established that the special attention must be paid to the high concentration of manganese and CO in metal cored wire, as well as high concentrations of phosphorus and aluminum in self-shielded wire. Also, conducted experimental measurements of emission of certain elements did not show higher toxicity of self-shielded wire compare to metal cored wire, what is in the contrast with previous studies. [ABSTRACT FROM AUTHOR]
Copyright of Renewable & Sustainable Energy Reviews is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Fume and gas emission during arc welding: Hazards and recommendation.
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  Data: <searchLink fieldCode="AR" term="%22Popovic%2C+Olivera%22">Popovic, Olivera</searchLink><relatesTo>1</relatesTo><i> opopovic@mas.bg.ac.rs</i><br /><searchLink fieldCode="AR" term="%22Prokic-Cvetkovic%2C+Radica%22">Prokic-Cvetkovic, Radica</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Burzic%2C+Meri%22">Burzic, Meri</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Lukic%2C+Uroš%22">Lukic, Uroš</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Beljic%2C+Biljana%22">Beljic, Biljana</searchLink><relatesTo>3</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Renewable+%26+Sustainable+Energy+Reviews%22">Renewable & Sustainable Energy Reviews</searchLink>. Sep2014, Vol. 37, p509-516. 8p.
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  Data: *<searchLink fieldCode="DE" term="%22Greenhouse+gas+mitigation%22">Greenhouse gas mitigation</searchLink><br />*<searchLink fieldCode="DE" term="%22Manufacturing+processes%22">Manufacturing processes</searchLink><br />*<searchLink fieldCode="DE" term="%22Climate+change%22">Climate change</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+welding%22">Electric welding</searchLink><br /><searchLink fieldCode="DE" term="%22Welding+fumes%22">Welding fumes</searchLink><br /><searchLink fieldCode="DE" term="%22Filler+materials%22">Filler materials</searchLink>
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  Data: Welding is the principal industrial process used for joining metals, but at the same time, it's the significant source of toxic fumes and gases emission. With the advent of new types of welding procedures and consumables, the number of welders exposed to welding fumes is growing constantly in spite of the mechanisation and automation of the process. Having in mind that, in some cases, toxic fumes and gases can be over the respective limits for toxic substances, one of the most important requirements for chosen welding procedure is its harmlessness to the environment. The health aspects associated with welding are complex and the industry is continuing its research to evaluate the effects of the welder's exposure to typical constituents of welding fumes and gases, as well as its impact on what concerns climatic changes. The aim of this paper is to estimate the influence of the type of filler material on the emission of toxic substances, and to show the potential hazards. In order to determine that effect, microalloyed steel has been welded using two different filler materials (metal cored wire and self-shielded wire). The concentrations of emitted total dust, CO2, CO, SO, Mn, Ni, Al, Cr, Cr(VI), Ca and P were measured. By comparing results for both filler materials, it was established that the special attention must be paid to the high concentration of manganese and CO in metal cored wire, as well as high concentrations of phosphorus and aluminum in self-shielded wire. Also, conducted experimental measurements of emission of certain elements did not show higher toxicity of self-shielded wire compare to metal cored wire, what is in the contrast with previous studies. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Renewable & Sustainable Energy Reviews is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.rser.2014.05.076
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        Text: English
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      – SubjectFull: Manufacturing processes
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      – SubjectFull: Climate change
        Type: general
      – SubjectFull: Electric welding
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      – SubjectFull: Welding fumes
        Type: general
      – SubjectFull: Filler materials
        Type: general
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      – TitleFull: Fume and gas emission during arc welding: Hazards and recommendation.
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              Text: Sep2014
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