Effect of aluminium powder on kaolin-based geopolymer characteristic and removal of Cu²⁺
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2022
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my.unimap-747552022-03-23T01:29:45Z Effect of aluminium powder on kaolin-based geopolymer characteristic and removal of Cu²⁺ Mohd Mustafa Al Bakri, Abdullah Postawa, Przemysław Nurliyana, Ariffin Mohd Mustafa Al Bakri, Abdullah Postawa, Przemysław Shayfull Zamree, Abd Rahim Mohd Remy Rozainy, Mohd Arif Zainol Ramadhansyah, Putra Jaya Sliwa, Agata Mohd Firdaus, Omar mustafa_albakri@unimap.edu.my postawa@ipp.pcz.pl Center of Excellence Geopolymer and Green Technology (CEGeoGTech), School of Materials Engineering, Universiti Malaysia Perlis (UniMAP) Faculty of Chemical Engineering Technology, Universiti Malaysia Perlis (UniMAP) Faculty of Production Engineering and Materials Technology, Częstochowa University of Technology Faculty of Mechanical Engineering Technology, Universiti Malaysia Perlis (UniMAP) School of Civil Engineering, Engineering Campus, Universiti Sains Malaysia (USM) Department of Civil Engineering, College of Engineering, Universiti Malaysia Pahang (UMP) Division of Materials Processing Technology and Computer Techniques in Materials Science, Silesian University of Technology Geopolymer Adsorbent Copper Foaming agent Link to publisher's homepage at https://www.mdpi.com/ This current work focuses on the synthesis of geopolymer-based adsorbent which uses kaolin as a source material, mixed with alkali solution consisting of 10 M NaOH and Na₂SiO₃ as well as aluminium powder as a foaming agent. The experimental range for the aluminium powder was between 0.6, 0.8, 1.0 and 1.2wt%. The structure, properties and characterization of the geopolymer were examined using X-Ray Diffraction (XRD), Infrared Spectroscopy (FTIR) and Scanning Electron Microscopy (SEM). Adsorption capacity and porosity were analysed based on various percentages of aluminium powder added. The results indicate that the use of aluminium powder exhibited a better pore size distribution and higher porosity, suggesting a better heavy metal removal. The maximum adsorption capacity of Cu²⁺ approached approximately 98%. The findings indicate that 0.8% aluminium powder was the optimal aluminium powder content for geopolymer adsorbent. The removal efficiency was affected by pH, adsorbent dosage and contact time. The optimum removal capacity of Cu²⁺ was obtained at pH 6 with 1.5 g geopolymer adsorbent and 4 h contact time. Therefore, it can be concluded that the increase in porosity increases the adsorption of Cu²⁺. 2022 2022-03-23T01:29:45Z 2022-03-23T01:29:45Z 2021-02 Article Materials, vol.14(4), 2021, 18 pages 1996-1944 http://dspace.unimap.edu.my:80/xmlui/handle/123456789/74755 https://doi.org/10.3390/ma14040814 en MDPI AG |
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| language |
English |
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Geopolymer Adsorbent Copper Foaming agent |
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Geopolymer Adsorbent Copper Foaming agent Mohd Mustafa Al Bakri, Abdullah Postawa, Przemysław Nurliyana, Ariffin Mohd Mustafa Al Bakri, Abdullah Postawa, Przemysław Shayfull Zamree, Abd Rahim Mohd Remy Rozainy, Mohd Arif Zainol Ramadhansyah, Putra Jaya Sliwa, Agata Mohd Firdaus, Omar Effect of aluminium powder on kaolin-based geopolymer characteristic and removal of Cu²⁺ |
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Link to publisher's homepage at https://www.mdpi.com/ |
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mustafa_albakri@unimap.edu.my |
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mustafa_albakri@unimap.edu.my Mohd Mustafa Al Bakri, Abdullah Postawa, Przemysław Nurliyana, Ariffin Mohd Mustafa Al Bakri, Abdullah Postawa, Przemysław Shayfull Zamree, Abd Rahim Mohd Remy Rozainy, Mohd Arif Zainol Ramadhansyah, Putra Jaya Sliwa, Agata Mohd Firdaus, Omar |
| format |
Article |
| author |
Mohd Mustafa Al Bakri, Abdullah Postawa, Przemysław Nurliyana, Ariffin Mohd Mustafa Al Bakri, Abdullah Postawa, Przemysław Shayfull Zamree, Abd Rahim Mohd Remy Rozainy, Mohd Arif Zainol Ramadhansyah, Putra Jaya Sliwa, Agata Mohd Firdaus, Omar |
| author_sort |
Mohd Mustafa Al Bakri, Abdullah |
| title |
Effect of aluminium powder on kaolin-based geopolymer characteristic and removal of Cu²⁺ |
| title_short |
Effect of aluminium powder on kaolin-based geopolymer characteristic and removal of Cu²⁺ |
| title_full |
Effect of aluminium powder on kaolin-based geopolymer characteristic and removal of Cu²⁺ |
| title_fullStr |
Effect of aluminium powder on kaolin-based geopolymer characteristic and removal of Cu²⁺ |
| title_full_unstemmed |
Effect of aluminium powder on kaolin-based geopolymer characteristic and removal of Cu²⁺ |
| title_sort |
effect of aluminium powder on kaolin-based geopolymer characteristic and removal of cu²⁺ |
| publisher |
MDPI AG |
| publishDate |
2022 |
| url |
http://dspace.unimap.edu.my:80/xmlui/handle/123456789/74755 |
| _version_ |
1729704802098610176 |
| score |
13.214268 |