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Effect of pore-forming agents on the microstructures and properties of diatomite-based porous ceramics.

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Title: Effect of pore-forming agents on the microstructures and properties of diatomite-based porous ceramics.
Authors: Jiao, Fan1 (AUTHOR), Fang, Cheng1 (AUTHOR), Xu, Hongliang1,2 (AUTHOR) xhlxhl@zzu.edu.cn, Song, Bo1 (AUTHOR), Wang, Ruiyang1 (AUTHOR), Li, Mingliang1,2 (AUTHOR), Wang, Hailiang1,2 (AUTHOR), Shao, Gang1 (AUTHOR), Lu, Hongxia1,2 (AUTHOR), Wang, Hailong1,2 (AUTHOR)
Source: Ceramics International. Jun2026:Part A, Vol. 52 Issue 14, p24817-24825. 9p.
Subjects: Porous materials, Wastewater treatment, Permeability, Sintering, Microstructure, Mechanical behavior of materials, Graphite, Porosity
Abstract: Diatomite-based porous ceramics were prepared using single or composite pore-forming agents, with the aiding of pressureless sintering method and sintering aids. The microstructure, mechanical property and permeation flux of the ceramics varied with pore-forming agent types and the mass ratio of spherical graphite and flake graphite in the composite pore-forming agent. Among all the single pore-forming agents, spherical graphite and flake graphite achieved the highest flexural strength and permeation flux, respectively. With the mass ratio of 3:1, the diatomite porous ceramics obtained the optimum comprehensive properties with bead-like-micro-nano hierarchical pore structures, achieving high flexural strength (13.8 MPa), high porosity (∼60%) with a pore size range mainly in 0.5-34 μm, and high permeation flux of 887.82 L m−2 h−1·bar−1. The porous ceramic could efficiently intercept the alumina particles larger than 144.5 nm and separate the oil-water mixtures. This study offers a viable pathway for developing high-performance diatomite-based porous ceramics tailored for advanced wastewater treatment techniques. [Display omitted] • Diatomite porous ceramics obtained high flexural strength and permeation flux. • Single and composite pore-forming agents were introduced to ceramic bodies. • Spherical and flake graphite jointly create internal bead-like micropore structures. • Nanopores of diatomite and micropores construct hierarchical pore architectures. • Diatomite porous ceramics exhibited great filtrate and separation performance. [ABSTRACT FROM AUTHOR]
Copyright of Ceramics International 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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DbLabel: Engineering Source
An: 193958965
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  Data: Effect of pore-forming agents on the microstructures and properties of diatomite-based porous ceramics.
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  Data: <searchLink fieldCode="AR" term="%22Jiao%2C+Fan%22">Jiao, Fan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fang%2C+Cheng%22">Fang, Cheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xu%2C+Hongliang%22">Xu, Hongliang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> xhlxhl@zzu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Song%2C+Bo%22">Song, Bo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Ruiyang%22">Wang, Ruiyang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Mingliang%22">Li, Mingliang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Hailiang%22">Wang, Hailiang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shao%2C+Gang%22">Shao, Gang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lu%2C+Hongxia%22">Lu, Hongxia</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Hailong%22">Wang, Hailong</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Ceramics+International%22">Ceramics International</searchLink>. Jun2026:Part A, Vol. 52 Issue 14, p24817-24825. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Porous+materials%22">Porous materials</searchLink><br /><searchLink fieldCode="DE" term="%22Wastewater+treatment%22">Wastewater treatment</searchLink><br /><searchLink fieldCode="DE" term="%22Permeability%22">Permeability</searchLink><br /><searchLink fieldCode="DE" term="%22Sintering%22">Sintering</searchLink><br /><searchLink fieldCode="DE" term="%22Microstructure%22">Microstructure</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+behavior+of+materials%22">Mechanical behavior of materials</searchLink><br /><searchLink fieldCode="DE" term="%22Graphite%22">Graphite</searchLink><br /><searchLink fieldCode="DE" term="%22Porosity%22">Porosity</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Diatomite-based porous ceramics were prepared using single or composite pore-forming agents, with the aiding of pressureless sintering method and sintering aids. The microstructure, mechanical property and permeation flux of the ceramics varied with pore-forming agent types and the mass ratio of spherical graphite and flake graphite in the composite pore-forming agent. Among all the single pore-forming agents, spherical graphite and flake graphite achieved the highest flexural strength and permeation flux, respectively. With the mass ratio of 3:1, the diatomite porous ceramics obtained the optimum comprehensive properties with bead-like-micro-nano hierarchical pore structures, achieving high flexural strength (13.8 MPa), high porosity (∼60%) with a pore size range mainly in 0.5-34 μm, and high permeation flux of 887.82 L m−2 h−1·bar−1. The porous ceramic could efficiently intercept the alumina particles larger than 144.5 nm and separate the oil-water mixtures. This study offers a viable pathway for developing high-performance diatomite-based porous ceramics tailored for advanced wastewater treatment techniques. [Display omitted] • Diatomite porous ceramics obtained high flexural strength and permeation flux. • Single and composite pore-forming agents were introduced to ceramic bodies. • Spherical and flake graphite jointly create internal bead-like micropore structures. • Nanopores of diatomite and micropores construct hierarchical pore architectures. • Diatomite porous ceramics exhibited great filtrate and separation performance. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Ceramics International 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:
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      – Type: doi
        Value: 10.1016/j.ceramint.2026.04.046
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      – Code: eng
        Text: English
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        PageCount: 9
        StartPage: 24817
    Subjects:
      – SubjectFull: Porous materials
        Type: general
      – SubjectFull: Wastewater treatment
        Type: general
      – SubjectFull: Permeability
        Type: general
      – SubjectFull: Sintering
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      – SubjectFull: Microstructure
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      – SubjectFull: Mechanical behavior of materials
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      – SubjectFull: Graphite
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      – SubjectFull: Porosity
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      – TitleFull: Effect of pore-forming agents on the microstructures and properties of diatomite-based porous ceramics.
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              Text: Jun2026:Part A
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