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Fabrication and characterization of fly ash-based geopolymer and its performance for immobilization of heavy metal cations

Communications in Science and Technology · Vol. 7 No. 2 (2022) · hlm. 112–118

DOI
10.21924/cst.7.2.2022.868
ISSN
2502-9266, 2502-9258
Terbit
2022-12-28
Penerbit
Komunitas Ilmuwan dan Profesional Muslim Indonesia
Bahasa
eng

Abstrak

In this study, the geopolymer from fly ash as based-raw material has been examined on the ability of several heavy metal ions immobilization. The fly ash has been provided from PT IPMOMI which firstly analyzed the physical and chemical properties. Fly ash and heavy metals were mixed with an activator base until homogeneous, then cast into a cylindrical shape mold following ASTM C 39-86 and left for 7 days. After that, the geopolymer was characterized by SEM, FTIR, XRD, compressive strength test and TCLP. The diffractogram of PT. IPMOMI fly ash exhibited the existence of mullite, alumina and iron oxide phase, which were suitable with XRF result. From FTIR spectra, the vibration on finger print area appeared indicating the vibration of T-O-T from geopolymer network. The observation revealed that the addition of Pb2+ cations caused microcracking from SEM image and affected the compressive strength of the geopolymer. Sr2+ was an ion that was very easilyleached compared to other three ions, and it caused a weak interaction between Sr2+ and geopolymer network. The higher amount of metal ions into the geopolymer network reduced the compressive strength of geopolymer. Sr2+-geopolymer had a lower compressive strength compared to Pb2+, Cd2+, and Co2+.

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  • Institut Teknologi Sepuluh Nopember
  • Sebelas Maret University
  • University of Technology Malaysia
  • Universitas Tidar
  • University of Palangka Raya
  • University of Pembangunan Nasional Veteran Jawa Timur
  • State University of Makassar
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Rekan penulisOrganisasiArtikel bersama
Yulfi ZetraInstitut Teknologi Sepuluh Nopember4
Didik PrasetyokoInstitut Teknologi Sepuluh Nopember3
Totok R. BiyantoInstitut Teknologi Sepuluh Nopember2
R. Arizal FirmansyahWalisongo State Islamic University2
Yunita Alfiyati FirdausaInstitut Teknologi Sepuluh Nopember2
Triyanda GunawanInstitut Teknologi Sepuluh Nopember2
Witri Wahyu LestariSebelas Maret University2
Jeesica Hermayanti PratamaInstitut Teknologi Sepuluh Nopember2
Zainab RamliUniversity of Technology Malaysia2
Ratna EdiatiInstitut Teknologi Sepuluh Nopember2
Yuly KusumawatiInstitut Teknologi Sepuluh Nopember2
Franky KusumaInstitut Teknologi Sepuluh Nopember1
Hendra CordovaInstitut Teknologi Sepuluh Nopember1
Yerry SutatioInstitut Teknologi Sepuluh Nopember1
Angga Riska WilarsoAfiliasi tidak diketahui1
Arif Rahman SalehUniversitas Tidar1
Sigit MujiartoUniversitas Tidar1
Bambang SudarmantaInstitut Teknologi Sepuluh Nopember1
Sovia Masfuri Walidatus SholihahInstitut Teknologi Sepuluh Nopember1
Rhiby Ainur Basit HariyantoInstitut Teknologi Sepuluh Nopember1
Rizka Berliana RizkaInstitut Teknologi Sepuluh Nopember1
Talitha Fitra FirdhausyaInstitut Teknologi Sepuluh Nopember1
Talitha Fitra FirdausyaAfiliasi tidak diketahui1
Nirmala Puteri BatariInstitut Teknologi Sepuluh Nopember1
Rizka Berliana PutriInstitut Teknologi Sepuluh Nopember1
Zeni RahmawatiInstitut Teknologi Sepuluh Nopember1
Romario AbdullahInstitut Teknologi Sepuluh Nopember1
Dinia AstiraInstitut Teknologi Sepuluh Nopember1
Utari ZulfianiInstitut Teknologi Sepuluh Nopember1
Alvin Rahmad WidyantoInstitut Teknologi Sepuluh Nopember1
Mohd Hafiz Dzarfan OthmanUniversity of Technology Malaysia1
Melani Puji PuspitasariSebelas Maret University1

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Sumber metadata: OAI-PMH (metadata jurnal) https://cst.kipmi.or.id/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Fabrication and characterization of fly ash-based geopolymer and its performance for immobilization of heavy metal cations</dc:title>
	<dc:creator>Iqbal, Rendy Muhamad</dc:creator>
	<dc:creator>Supriadi, Warih</dc:creator>
	<dc:creator>Burhan, R.Y. Perry </dc:creator>
	<dc:creator>Nurherdiana, Silvana Dwi</dc:creator>
	<dc:creator> Hidayati, Ririn Eva</dc:creator>
	<dc:creator>Subaer, Subaer</dc:creator>
	<dc:creator>Bayuaji, Ridho</dc:creator>
	<dc:creator>Fansuri, Hamzah</dc:creator>
	<dc:subject xml:lang="en-US">Fly ash</dc:subject>
	<dc:subject xml:lang="en-US">geopolymer</dc:subject>
	<dc:subject xml:lang="en-US">environmentally sound technologies</dc:subject>
	<dc:subject xml:lang="en-US">immobilization</dc:subject>
	<dc:description xml:lang="en-US">In this study, the geopolymer from fly ash as based-raw material has been examined on the ability of several heavy metal ions immobilization. The fly ash has been provided from PT IPMOMI which firstly analyzed the physical and chemical properties. Fly ash and heavy metals were mixed with an activator base until homogeneous, then cast into a cylindrical shape mold following ASTM C 39-86 and left for 7 days. After that, the geopolymer was characterized by SEM, FTIR, XRD, compressive strength test and TCLP. The diffractogram of PT. IPMOMI fly ash exhibited the existence of mullite, alumina and iron oxide phase, which were suitable with XRF result. From FTIR spectra, the vibration on finger print area appeared indicating the vibration of T-O-T from geopolymer network. The observation revealed that the addition of Pb2+ cations caused microcracking from SEM image and affected the compressive strength of the geopolymer. Sr2+ was an ion that was very easilyleached compared to other three ions, and it caused a weak interaction between Sr2+ and geopolymer network. The higher amount of metal ions into the geopolymer network reduced the compressive strength of geopolymer. Sr2+-geopolymer had a lower compressive strength compared to Pb2+, Cd2+, and Co2+.</dc:description>
	<dc:publisher xml:lang="en-US">Komunitas Ilmuwan dan Profesional Muslim Indonesia</dc:publisher>
	<dc:date>2022-12-28</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://cst.kipmi.or.id/journal/article/view/868</dc:identifier>
	<dc:identifier>10.21924/cst.7.2.2022.868</dc:identifier>
	<dc:source xml:lang="en-US">Communications in Science and Technology; Vol. 7 No. 2 (2022); 112-118</dc:source>
	<dc:source xml:lang="id-ID">Communications in Science and Technology; Vol 7 No 2 (2022); 112-118</dc:source>
	<dc:source>2502-9266</dc:source>
	<dc:source>2502-9258</dc:source>
	<dc:source>10.21924/cst.7.2.2022</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://cst.kipmi.or.id/journal/article/view/868/112</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2022 Communications in Science and Technology</dc:rights>
</oai_dc:dc>