Preparation and Characterization of Phosphate-sludge Kaolin Mixture for Ceramics Bricks
Phosphate Sludge (PS) waste has been a problem in metal surface finishing industry. The waste cannot be dumped in landfill due to the metal content. Valorisation of the waste will be beneficial in a way that it conserves natural reserves and reduces energy consumption. This paper describes the attem...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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Universitas Indonesia
2018-04-01
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| Series: | International Journal of Technology |
| Subjects: | |
| Online Access: | http://ijtech.eng.ui.ac.id/article/view/1119 |
| _version_ | 1797970291331170304 |
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| author | Jackson Muliawan Sotya Astutiningsih |
| author_facet | Jackson Muliawan Sotya Astutiningsih |
| author_sort | Jackson Muliawan |
| collection | DOAJ |
| description | Phosphate Sludge (PS) waste has been a problem in metal surface finishing industry. The waste cannot be dumped in landfill due to the metal content. Valorisation of the waste will be beneficial in a way that it conserves natural reserves and reduces energy consumption. This paper describes the attempt of utilization of PS by mixing it in kaolin in preparation of ceramic bricks. A series of experiments showed that mixtures containing between 25–50 mass % PS sintered at 1200oC attained the highest compressive strength of >25 MPa. X-ray diffractions (XRD) showed that the presence of PS hindered the formation of mullite, the phase that contribute to strength in Al2O3–SiO2 kaolin system. In the mixture of 1:1 kaolin: PS fired at 1200oC, cristobalite was formed, instead of mullite, as observed in the XRD patterns. |
| first_indexed | 2024-04-11T03:15:38Z |
| format | Article |
| id | doaj.art-0ecb845ee680488d88103db3e9042d8c |
| institution | Directory Open Access Journal |
| issn | 2086-9614 2087-2100 |
| language | English |
| last_indexed | 2024-04-11T03:15:38Z |
| publishDate | 2018-04-01 |
| publisher | Universitas Indonesia |
| record_format | Article |
| series | International Journal of Technology |
| spelling | doaj.art-0ecb845ee680488d88103db3e9042d8c2023-01-02T10:30:49ZengUniversitas IndonesiaInternational Journal of Technology2086-96142087-21002018-04-019231732410.14716/ijtech.v9i2.11191119Preparation and Characterization of Phosphate-sludge Kaolin Mixture for Ceramics BricksJackson Muliawan0Sotya Astutiningsih1Department of Metallurgy and Materials Engineering, Engineering Faculty, Universitas IndonesiaDepartment of Metallurgy and Materials Engineering, Engineering Faculty, Universitas Indonesia, Jakarta , IndonesiaPhosphate Sludge (PS) waste has been a problem in metal surface finishing industry. The waste cannot be dumped in landfill due to the metal content. Valorisation of the waste will be beneficial in a way that it conserves natural reserves and reduces energy consumption. This paper describes the attempt of utilization of PS by mixing it in kaolin in preparation of ceramic bricks. A series of experiments showed that mixtures containing between 25–50 mass % PS sintered at 1200oC attained the highest compressive strength of >25 MPa. X-ray diffractions (XRD) showed that the presence of PS hindered the formation of mullite, the phase that contribute to strength in Al2O3–SiO2 kaolin system. In the mixture of 1:1 kaolin: PS fired at 1200oC, cristobalite was formed, instead of mullite, as observed in the XRD patterns.http://ijtech.eng.ui.ac.id/article/view/1119CeramicsFiringKaolinPhosphate-sludge |
| spellingShingle | Jackson Muliawan Sotya Astutiningsih Preparation and Characterization of Phosphate-sludge Kaolin Mixture for Ceramics Bricks International Journal of Technology Ceramics Firing Kaolin Phosphate-sludge |
| title | Preparation and Characterization of Phosphate-sludge Kaolin Mixture for Ceramics Bricks |
| title_full | Preparation and Characterization of Phosphate-sludge Kaolin Mixture for Ceramics Bricks |
| title_fullStr | Preparation and Characterization of Phosphate-sludge Kaolin Mixture for Ceramics Bricks |
| title_full_unstemmed | Preparation and Characterization of Phosphate-sludge Kaolin Mixture for Ceramics Bricks |
| title_short | Preparation and Characterization of Phosphate-sludge Kaolin Mixture for Ceramics Bricks |
| title_sort | preparation and characterization of phosphate sludge kaolin mixture for ceramics bricks |
| topic | Ceramics Firing Kaolin Phosphate-sludge |
| url | http://ijtech.eng.ui.ac.id/article/view/1119 |
| work_keys_str_mv | AT jacksonmuliawan preparationandcharacterizationofphosphatesludgekaolinmixtureforceramicsbricks AT sotyaastutiningsih preparationandcharacterizationofphosphatesludgekaolinmixtureforceramicsbricks |