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Application of bentonite-chitosan nanocomposites for the adsorptive removal of iron and natural organic matter in peat water

Journal of Degraded and Mining Lands Management · Vol. 12 No. 4 (2025) · hlm. 8107–8116

DOI
10.15243/jdmlm.2025.124.8107
ISSN
2502-2458, 2339-076X
Terbit
2025-07-01
Penerbit
Brawijaya University
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc/4.0

Abstrak

Peat water, commonly found in peatland regions, often poses a challenge as a water source due to its high content of iron and natural organic matter (NOM). This research investigated the development and application of bentonite–chitosan nanocomposites as an effective adsorbent for reducing iron metal and NOM concentrations in peat water. Chitosan was synthesized from tilapia fish scales through demineralization, deproteinization, and deacetylation processes, then characterized for moisture content (7.4%), ash content (5.4%), and functional groups using FTIR spectroscopy. Bentonite was thermally and chemically activated with sulfuric acid to increase its adsorption capacity. Nanocomposites were prepared with varied bentonite-to-chitosan ratios (90:10, 70:30, 50:50) using sodium tripolyphosphate (STPP) as a crosslinker. FTIR and XRD analyses confirmed the formation of nanocomposites and revealed structural changes post-adsorption, including reduced crystallinity and increased particle size. Adsorption studies showed that the 90%Bt-10%Ch3 formulation achieved the highest iron removal efficiency (68.6%) with an adsorption capacity of 0.084 mg/g. Meanwhile, the 50%Bt-50%Ch3 formulation demonstrated the highest NOM removal efficiency (36.8%) with a capacity of 36.80 mg/g. The results indicate that bentonite is more effective for iron adsorption, while chitosan plays a key role in removing NOM due to its amine and hydroxyl functional groups. This study highlights the potential of utilizing fishery waste and natural minerals to produce low-cost, eco-friendly nanocomposites for improving water quality in peatland environments.

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  • Universitas Jambi
  • Universitas Halu Oleo
  • Diponegoro University
  • Politeknik AKA Bogor
  • King Abdulaziz University
  • Afiliasi tidak diketahui
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Rekan penulisOrganisasiArtikel bersama
Martina Asti RahayuUniversitas Jambi4
Martina Astri RahayuUniversitas Jambi4
Huda WazzanKing Abdulaziz University4
Maharani MaharaniDiponegoro University2
Moh NabawiUniversitas Jambi2
Afrimanisa AfrimanisaAfiliasi tidak diketahui2
Andita UtamiPoliteknik AKA Bogor2
Ummi KalsumUniversitas Jambi1
Arrum Puji LestariUniversitas Halu Oleo1
Revis AsraUniversitas Jambi1
Zia UlhadiUniversitas Jambi1
JaliusAfiliasi tidak diketahui1
Tri SiswantoUniversitas Jambi1
Aditya Denny PrabawaUniversitas Jambi1
Indra Lasmana TariganUniversitas Jambi1
Nelson NelsonUniversitas Jambi1
Ngatijo NgatijoUniversitas Jambi1
Hamdan Maruli SiregarUniversitas Jambi1
Hariestya ViarecoUniversitas Jambi1
Febri Juita AnggrainiUniversitas Jambi1
Lince MuisUniversitas Jambi1
Dhian Eka WijayaAfiliasi tidak diketahui1
Dina ErlianaUniversitas Jambi1
Fiqri Al FaruqiUniversitas Jambi1
Helen Yunita ChayaUniversitas Jambi1
Ayu AdeliaAfiliasi tidak diketahui1
Okta IndrianUniversitas Jambi1
Furkon RamdhanAfiliasi tidak diketahui1
Nur HikmahUniversitas Jambi1
Munifilia MunifiliaUniversitas Jambi1
Kiranti AuliaUniversitas Jambi1
Herman AzizUniversitas Jambi1
Sri Djangkung Sumbogo MurtiAfiliasi tidak diketahui1

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Sumber metadata: OAI-PMH (metadata jurnal) http://jdmlm.ub.ac.id/index.php/jdmlm/oai, pertama di-harvest 9 Nov 2026, terakhir terlihat 9 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Application of bentonite-chitosan nanocomposites for the adsorptive removal of iron and natural organic matter in peat water  </dc:title>
	<dc:creator>Permana, Edwin</dc:creator>
	<dc:creator>Naswir, M.</dc:creator>
	<dc:creator>Wijaya, Dhian Eka</dc:creator>
	<dc:creator>Hidayat, Ali Nurdin</dc:creator>
	<dc:creator>Nurjamil, Dimas Setya</dc:creator>
	<dc:creator>Prayogi, Andrian Setyarestu</dc:creator>
	<dc:subject xml:lang="en-US">adsorption </dc:subject>
	<dc:subject xml:lang="en-US">bentonite-chitosan</dc:subject>
	<dc:subject xml:lang="en-US">iron removal</dc:subject>
	<dc:subject xml:lang="en-US">nanocomposite </dc:subject>
	<dc:subject xml:lang="en-US">natural organic matter</dc:subject>
	<dc:subject xml:lang="en-US">peat water</dc:subject>
	<dc:description xml:lang="en-US">Peat water, commonly found in peatland regions, often poses a challenge as a water source due to its high content of iron and natural organic matter (NOM). This research investigated the development and application of bentonite–chitosan nanocomposites as an effective adsorbent for reducing iron metal and NOM concentrations in peat water. Chitosan was synthesized from tilapia fish scales through demineralization, deproteinization, and deacetylation processes, then characterized for moisture content (7.4%), ash content (5.4%), and functional groups using FTIR spectroscopy. Bentonite was thermally and chemically activated with sulfuric acid to increase its adsorption capacity. Nanocomposites were prepared with varied bentonite-to-chitosan ratios (90:10, 70:30, 50:50) using sodium tripolyphosphate (STPP) as a crosslinker. FTIR and XRD analyses confirmed the formation of nanocomposites and revealed structural changes post-adsorption, including reduced crystallinity and increased particle size. Adsorption studies showed that the 90%Bt-10%Ch3 formulation achieved the highest iron removal efficiency (68.6%) with an adsorption capacity of 0.084 mg/g. Meanwhile, the 50%Bt-50%Ch3 formulation demonstrated the highest NOM removal efficiency (36.8%) with a capacity of 36.80 mg/g. The results indicate that bentonite is more effective for iron adsorption, while chitosan plays a key role in removing NOM due to its amine and hydroxyl functional groups. This study highlights the potential of utilizing fishery waste and natural minerals to produce low-cost, eco-friendly nanocomposites for improving water quality in peatland environments.</dc:description>
	<dc:publisher xml:lang="en-US">Brawijaya University</dc:publisher>
	<dc:date>2025-07-01</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://jdmlm.ub.ac.id/index.php/jdmlm/article/view/17147</dc:identifier>
	<dc:identifier>10.15243/jdmlm.2025.124.8107</dc:identifier>
	<dc:source xml:lang="en-US">Journal of Degraded and Mining Lands Management; Vol. 12 No. 4 (2025); 8107-8116</dc:source>
	<dc:source>2502-2458</dc:source>
	<dc:source>2339-076X</dc:source>
	<dc:source>10.15243/jdmlm.2025.124</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/17147/1573</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2025 Journal of Degraded and Mining Lands Management</dc:rights>
	<dc:rights xml:lang="en-US">https://creativecommons.org/licenses/by-nc/4.0</dc:rights>
</oai_dc:dc>