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Wettability control of modified stainless steel surfaces for oxide catalyst carrier slurry coating.

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Title: Wettability control of modified stainless steel surfaces for oxide catalyst carrier slurry coating.
Authors: Abbas, Muzafar1,2 (AUTHOR), Mehran, Muhammad Taqi3 (AUTHOR), Moon, Myoung-Woon4 (AUTHOR), Byun, Ji Young1,2 (AUTHOR), Kim, Sang Hoon1,2 (AUTHOR) kim_sh@kist.re.kr
Source: Journal of Industrial & Engineering Chemistry. Nov2020, Vol. 91, p330-339. 10p.
Subjects: Catalyst supports, Stainless steel, Wetting, Surfaces (Technology), Contact angle, Slurry, Stainless steel welding
Abstract: Micrometer sized FeAl particles were added on 304 stainless steel surfaces to prepare rough surfaces with irregular patterns to make the surface super hydrophilic in order to effectively coat catalyst carrier alumina slurry on them. This method was compared with other conventional methods as follows. Micromachining and acid etching were firstly tried to prepare regular patterned surfaces with square micropillar arrays. Sand blasting was then tried to create micro roughness of the surface by removing materials from the surface. These methods were not so successful with contact angles higher than 50° for concentrated alumina slurry on the treated surfaces. In contrast to this, micrometer sized FeAl particles added 304 stainless steel surfaces showed excellent wettability with contact angles as low as 15° for concentrated alumina slurry on the treated surface. It was also observed that FeAl treated stainless steel surfaces were stable up to 700 °C, indicating good adhesion between the catalyst support substrate and catalyst carrier layer at high temperatures. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Industrial & Engineering Chemistry is the property of Elsevier B.V. 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.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 145755796
AccessLevel: 6
PubType: Periodical
PubTypeId: serialPeriodical
PreciseRelevancyScore: 0
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Wettability control of modified stainless steel surfaces for oxide catalyst carrier slurry coating.
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  Data: <searchLink fieldCode="AR" term="%22Abbas%2C+Muzafar%22">Abbas, Muzafar</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mehran%2C+Muhammad+Taqi%22">Mehran, Muhammad Taqi</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Moon%2C+Myoung-Woon%22">Moon, Myoung-Woon</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Byun%2C+Ji+Young%22">Byun, Ji Young</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kim%2C+Sang+Hoon%22">Kim, Sang Hoon</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> kim_sh@kist.re.kr</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Industrial+%26+Engineering+Chemistry%22">Journal of Industrial & Engineering Chemistry</searchLink>. Nov2020, Vol. 91, p330-339. 10p.
– Name: Subject
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  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Catalyst+supports%22">Catalyst supports</searchLink><br /><searchLink fieldCode="DE" term="%22Stainless+steel%22">Stainless steel</searchLink><br /><searchLink fieldCode="DE" term="%22Wetting%22">Wetting</searchLink><br /><searchLink fieldCode="DE" term="%22Surfaces+%28Technology%29%22">Surfaces (Technology)</searchLink><br /><searchLink fieldCode="DE" term="%22Contact+angle%22">Contact angle</searchLink><br /><searchLink fieldCode="DE" term="%22Slurry%22">Slurry</searchLink><br /><searchLink fieldCode="DE" term="%22Stainless+steel+welding%22">Stainless steel welding</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Micrometer sized FeAl particles were added on 304 stainless steel surfaces to prepare rough surfaces with irregular patterns to make the surface super hydrophilic in order to effectively coat catalyst carrier alumina slurry on them. This method was compared with other conventional methods as follows. Micromachining and acid etching were firstly tried to prepare regular patterned surfaces with square micropillar arrays. Sand blasting was then tried to create micro roughness of the surface by removing materials from the surface. These methods were not so successful with contact angles higher than 50° for concentrated alumina slurry on the treated surfaces. In contrast to this, micrometer sized FeAl particles added 304 stainless steel surfaces showed excellent wettability with contact angles as low as 15° for concentrated alumina slurry on the treated surface. It was also observed that FeAl treated stainless steel surfaces were stable up to 700 °C, indicating good adhesion between the catalyst support substrate and catalyst carrier layer at high temperatures. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Industrial & Engineering Chemistry is the property of Elsevier B.V. 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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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.jiec.2020.08.017
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 10
        StartPage: 330
    Subjects:
      – SubjectFull: Catalyst supports
        Type: general
      – SubjectFull: Stainless steel
        Type: general
      – SubjectFull: Wetting
        Type: general
      – SubjectFull: Surfaces (Technology)
        Type: general
      – SubjectFull: Contact angle
        Type: general
      – SubjectFull: Slurry
        Type: general
      – SubjectFull: Stainless steel welding
        Type: general
    Titles:
      – TitleFull: Wettability control of modified stainless steel surfaces for oxide catalyst carrier slurry coating.
        Type: main
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            NameFull: Abbas, Muzafar
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            NameFull: Mehran, Muhammad Taqi
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            NameFull: Moon, Myoung-Woon
      – PersonEntity:
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            NameFull: Byun, Ji Young
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          Name:
            NameFull: Kim, Sang Hoon
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            – D: 25
              M: 11
              Text: Nov2020
              Type: published
              Y: 2020
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              Value: 91
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            – TitleFull: Journal of Industrial & Engineering Chemistry
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