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Preparation of autoclaved-aerated concrete with waste ash of petroleum coke gasification.

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Title: Preparation of autoclaved-aerated concrete with waste ash of petroleum coke gasification.
Authors: Lv, Lingling1,2 (AUTHOR), Guo, Ming2 (AUTHOR), Wang, Peng2 (AUTHOR), Zhang, Baocun3 (AUTHOR), Liu, Minfu2 (AUTHOR), Lin, Han2 (AUTHOR), Liu, Chenguang1 (AUTHOR) cgliu@upc.edu.cn, Zhang, Xingong2 (AUTHOR)
Source: Materials Research Innovations. Sep2024, Vol. 28 Issue 6, p433-438. 6p.
Subjects: Oil gasification, Petroleum coke, Aluminum powder, Concrete waste, Sand, Air-entrained concrete
Abstract: In this paper, a novel route for the utilisation of petroleum coke gasification ash in the preparation of autoclaved-aerated concrete (AAC) is presented. The waste ash along with quartz sand, cement, lime, and gypsum are used as the primary raw materials, with aluminium powder paste serving as the pore-forming agent. The effect of incorporating petroleum coke gasification ash on the dry density and thermal conductivity of the resulting AAC was investigated. The results indicate that the thermal insulation performance of AAC is significantly enhanced by reducing the thermal conductivity coefficient upon the addition of treated petroleum coke gasification ash. At a 40% ash content, the AAC exhibits remarkable performance that meet the requirements of A2.5B05 in GB 11,968-2006, with compressive strength higher than 2.5 MPa and dry density lower than 525 kg m−3. Furthermore, the study examined the optimal calcium silicon ratio after the addition of the ash, with the results demonstrating that AAC prepared with a ratio of 0.25–0.26 exhibits the best compressive strength and dry density. The present study offers a novel perspective on waste management, which carries substantial significance for both the environmental and construction industries. [ABSTRACT FROM AUTHOR]
Copyright of Materials Research Innovations is the property of Taylor & Francis Ltd 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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Header DbId: egs
DbLabel: Engineering Source
An: 179272740
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PubTypeId: academicJournal
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  Data: Preparation of autoclaved-aerated concrete with waste ash of petroleum coke gasification.
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  Data: <searchLink fieldCode="AR" term="%22Lv%2C+Lingling%22">Lv, Lingling</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Guo%2C+Ming%22">Guo, Ming</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Peng%22">Wang, Peng</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Baocun%22">Zhang, Baocun</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Minfu%22">Liu, Minfu</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lin%2C+Han%22">Lin, Han</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Chenguang%22">Liu, Chenguang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> cgliu@upc.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Xingong%22">Zhang, Xingong</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Materials+Research+Innovations%22">Materials Research Innovations</searchLink>. Sep2024, Vol. 28 Issue 6, p433-438. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Oil+gasification%22">Oil gasification</searchLink><br /><searchLink fieldCode="DE" term="%22Petroleum+coke%22">Petroleum coke</searchLink><br /><searchLink fieldCode="DE" term="%22Aluminum+powder%22">Aluminum powder</searchLink><br /><searchLink fieldCode="DE" term="%22Concrete+waste%22">Concrete waste</searchLink><br /><searchLink fieldCode="DE" term="%22Sand%22">Sand</searchLink><br /><searchLink fieldCode="DE" term="%22Air-entrained+concrete%22">Air-entrained concrete</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In this paper, a novel route for the utilisation of petroleum coke gasification ash in the preparation of autoclaved-aerated concrete (AAC) is presented. The waste ash along with quartz sand, cement, lime, and gypsum are used as the primary raw materials, with aluminium powder paste serving as the pore-forming agent. The effect of incorporating petroleum coke gasification ash on the dry density and thermal conductivity of the resulting AAC was investigated. The results indicate that the thermal insulation performance of AAC is significantly enhanced by reducing the thermal conductivity coefficient upon the addition of treated petroleum coke gasification ash. At a 40% ash content, the AAC exhibits remarkable performance that meet the requirements of A2.5B05 in GB 11,968-2006, with compressive strength higher than 2.5 MPa and dry density lower than 525 kg m−3. Furthermore, the study examined the optimal calcium silicon ratio after the addition of the ash, with the results demonstrating that AAC prepared with a ratio of 0.25–0.26 exhibits the best compressive strength and dry density. The present study offers a novel perspective on waste management, which carries substantial significance for both the environmental and construction industries. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Materials Research Innovations is the property of Taylor & Francis Ltd 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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      – Type: doi
        Value: 10.1080/14328917.2024.2304953
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      – Code: eng
        Text: English
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        PageCount: 6
        StartPage: 433
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      – SubjectFull: Oil gasification
        Type: general
      – SubjectFull: Petroleum coke
        Type: general
      – SubjectFull: Aluminum powder
        Type: general
      – SubjectFull: Concrete waste
        Type: general
      – SubjectFull: Sand
        Type: general
      – SubjectFull: Air-entrained concrete
        Type: general
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      – TitleFull: Preparation of autoclaved-aerated concrete with waste ash of petroleum coke gasification.
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            NameFull: Lv, Lingling
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            NameFull: Guo, Ming
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            NameFull: Liu, Minfu
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            – D: 01
              M: 09
              Text: Sep2024
              Type: published
              Y: 2024
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