EFFECT OF DIESEL-BIODIESEL-ETHANOL MIXTURES ON CORROSION RATE OF VARIOUS METALS IN THE PRESENCE OF TERT-BUTYLHYDROQUINONE (TBHQ)

For many years, the goal of transitioning from conventional to renewable fuels (bioethanol and biodiesel) has been encouraged by government entities. However, due to the hygroscopicity of ethanol, ethanol/biodiesel blends can accelerate corrosion in metallurgy. Therefore, inhibitors can be added to...

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Main Authors: Chaza Joumaa, Ibtissam Saad, Ghassan Younes
Format: Article
Language:English
Published: Sociedade Brasileira de Química 2024-01-01
Series:Química Nova
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422024000100001&lng=en&tlng=en
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author Chaza Joumaa
Ibtissam Saad
Ghassan Younes
author_facet Chaza Joumaa
Ibtissam Saad
Ghassan Younes
author_sort Chaza Joumaa
collection DOAJ
description For many years, the goal of transitioning from conventional to renewable fuels (bioethanol and biodiesel) has been encouraged by government entities. However, due to the hygroscopicity of ethanol, ethanol/biodiesel blends can accelerate corrosion in metallurgy. Therefore, inhibitors can be added to mitigate corrosion. This research studied the effect of adding ethanol to diesel/biodiesel blends and measured the rate of corrosion on various metals (aluminum, copper, and 304 stainless steel) by the electrochemical impedance spectroscopy (EIS) method. The results indicated the corrosion rate increased with increasing the percentage of ethanol in the blends, and the corrosion inhibition efficiency of tert-butylhydroquinone (TBHQ) decreased upon the addition of ethanol. TBHQ was most effective as a corrosion inhibitor in the B15E5 blend. The inhibition efficiency of TBHQ decrease with the increase of the temperature. The adsorption process and the electrochemical parameters were calculated and discussed.
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spelling doaj.art-7991e3eb83ae4a37a2e9d248c297bdd82024-01-09T07:42:46ZengSociedade Brasileira de QuímicaQuímica Nova1678-70642024-01-0147110.21577/0100-4042.20230083EFFECT OF DIESEL-BIODIESEL-ETHANOL MIXTURES ON CORROSION RATE OF VARIOUS METALS IN THE PRESENCE OF TERT-BUTYLHYDROQUINONE (TBHQ)Chaza Joumaahttps://orcid.org/0000-0002-2884-1608Ibtissam SaadGhassan YounesFor many years, the goal of transitioning from conventional to renewable fuels (bioethanol and biodiesel) has been encouraged by government entities. However, due to the hygroscopicity of ethanol, ethanol/biodiesel blends can accelerate corrosion in metallurgy. Therefore, inhibitors can be added to mitigate corrosion. This research studied the effect of adding ethanol to diesel/biodiesel blends and measured the rate of corrosion on various metals (aluminum, copper, and 304 stainless steel) by the electrochemical impedance spectroscopy (EIS) method. The results indicated the corrosion rate increased with increasing the percentage of ethanol in the blends, and the corrosion inhibition efficiency of tert-butylhydroquinone (TBHQ) decreased upon the addition of ethanol. TBHQ was most effective as a corrosion inhibitor in the B15E5 blend. The inhibition efficiency of TBHQ decrease with the increase of the temperature. The adsorption process and the electrochemical parameters were calculated and discussed.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422024000100001&lng=en&tlng=enDBE blendcorrosionelectrochemical impedance spectroscopytert-butylhydroquinone
spellingShingle Chaza Joumaa
Ibtissam Saad
Ghassan Younes
EFFECT OF DIESEL-BIODIESEL-ETHANOL MIXTURES ON CORROSION RATE OF VARIOUS METALS IN THE PRESENCE OF TERT-BUTYLHYDROQUINONE (TBHQ)
Química Nova
DBE blend
corrosion
electrochemical impedance spectroscopy
tert-butylhydroquinone
title EFFECT OF DIESEL-BIODIESEL-ETHANOL MIXTURES ON CORROSION RATE OF VARIOUS METALS IN THE PRESENCE OF TERT-BUTYLHYDROQUINONE (TBHQ)
title_full EFFECT OF DIESEL-BIODIESEL-ETHANOL MIXTURES ON CORROSION RATE OF VARIOUS METALS IN THE PRESENCE OF TERT-BUTYLHYDROQUINONE (TBHQ)
title_fullStr EFFECT OF DIESEL-BIODIESEL-ETHANOL MIXTURES ON CORROSION RATE OF VARIOUS METALS IN THE PRESENCE OF TERT-BUTYLHYDROQUINONE (TBHQ)
title_full_unstemmed EFFECT OF DIESEL-BIODIESEL-ETHANOL MIXTURES ON CORROSION RATE OF VARIOUS METALS IN THE PRESENCE OF TERT-BUTYLHYDROQUINONE (TBHQ)
title_short EFFECT OF DIESEL-BIODIESEL-ETHANOL MIXTURES ON CORROSION RATE OF VARIOUS METALS IN THE PRESENCE OF TERT-BUTYLHYDROQUINONE (TBHQ)
title_sort effect of diesel biodiesel ethanol mixtures on corrosion rate of various metals in the presence of tert butylhydroquinone tbhq
topic DBE blend
corrosion
electrochemical impedance spectroscopy
tert-butylhydroquinone
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422024000100001&lng=en&tlng=en
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