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Mg/Al-CH, Ni/Al-CH and Zn/Al-CH, as adsorbents for Congo Red removal in aqueous solution

Communications in Science and Technology · Vol. 6 No. 2 (2021) · hlm. 74–79

DOI
10.21924/cst.6.2.2021.547
ISSN
2502-9266, 2502-9258
Terbit
2021-12-31
Penerbit
Komunitas Ilmuwan dan Profesional Muslim Indonesia
Bahasa
eng

Abstrak

In this study, chitosan was extracted from shrimp shells by demineralization and deproteination processes. The extracted chitosan was used to modify the layered double hydroxide and used as an adsorbent for the removal of congo red from aqueous solutions. Composites were successfully synthesized using M2+/Al (M2+ = Zn, Mg, Ni) and chitosan (CH) and the samples obtained were characterized using XRD and FTIR. The X-ray diffraction (XRD) pattern appeared at the layered double hydroxide peak of 2? = 11.63°; 23.00°; 35.16°; and 61.59° and chitosan at 2? = 7.93° and 19.35. The composite appearing in the layered double hydroxide and chitosan indicated that the composite material has been successfully synthesized. The XRD diffraction patterns of Zn/Al-CH, Ni/Al-CH, and Mg/Al-CH showed low crystallinity. The Fourier Transform Infrared (FTIR) spectra verifying absorption spectrum showed the presence of two bands at 3448 cm-1, 1382cm-1 characteristic to both chitosan and LDH. Adsorption of Congo Red (CR) followed the pseudo-second-order and Langmuir isotherm models. The adsorption capacities of Zn/Al-CH, Ni/Al-CH, and Mg/Al-CH were 181.818 mg/g, 227.273 mg/g, and 344.828 mg/g, respectively. The layered double hydroxide-chitosan composite adsorption was endothermically characterized by positive enthalpy and entropy values. On the other hand, the adsorption spontaneously was characterized by a negative Gibbs free energy value. The composites in this study were formed from LDH modified from chitosan extracted from shrimp shells to form Zn/Al-CH, Ni/Al-CH, and Mg/Al-CH. The results of the characterization showed a number of characteristics that resembled the constituent materials in the form of LDH and chitosan. After being applied as an adsorbent to absorb Congo red dye, it then showed the most effective results using Mg/Al-CH adsorbent with an adsorption capacity of 344.828 mg/g.

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  • Sriwijaya University
  • Universitas Palembang
  • Universitas Nurul Jadid
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Rekan penulisOrganisasiArtikel bersama
Tarmizi TaherSriwijaya University25
Nur AhmadSriwijaya University17
Amri AmriSriwijaya University13
Mardiyanto MardiyantoSriwijaya University12
Nova YuliasariSriwijaya University11
Yulizah HanifahSriwijaya University10
Muhammad SaidSriwijaya University8
Idha RoyaniSriwijaya University8
Sahrul WibiyanSriwijaya University6
Arini Fousty BadriSriwijaya University6
Fitri Suryani ArsyadSriwijaya University4
Normah NormahSriwijaya University4
Eliza ElizaSriwijaya University4
Hilda ZulkifliSriwijaya University3
Elfita ElfitaSriwijaya University3
Zaqiya Artha ZaharaSriwijaya University3
Rohmatullaili RohmatullailiSriwijaya University3
Yusuf Mathiinul HakimSriwijaya University2
Najma Annuria FithriSriwijaya University2
Laila HanumSriwijaya University2
Elda MelwitaSriwijaya University2
Suheryanto SuheryantoSriwijaya University2
Hermansyah HermansyahSriwijaya University2
Haris KriswantoroUniversitas Palembang1
Benyamin LakitanSriwijaya University1
Andi WijayaSriwijaya University1
Rahma Dinta AstutiSriwijaya University1
ROBIATUL ADAWIYAHUniversitas Nurul Jadid1
Aldes Lesbani Aldes LesbaniAfiliasi tidak diketahui1
Marieska VerawatySriwijaya University1
Agnes AgnesSriwijaya University1
Randi O. SaragihSriwijaya University1
Jefri JefriSriwijaya 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">Mg/Al-CH, Ni/Al-CH and Zn/Al-CH, as adsorbents for Congo Red removal in aqueous solution</dc:title>
	<dc:creator>Siregar, Patimah Mega Syah Bahar Nur</dc:creator>
	<dc:creator>Normah</dc:creator>
	<dc:creator>Juleanti, Novie</dc:creator>
	<dc:creator>Wijaya, Alfan</dc:creator>
	<dc:creator>Palapa, Neza Rahayu</dc:creator>
	<dc:creator>Mohadi, Risfidian</dc:creator>
	<dc:creator>Lesbani, Aldes</dc:creator>
	<dc:subject xml:lang="en-US">Chitosan; Selectivity; Adsorption; Regeneration</dc:subject>
	<dc:description xml:lang="en-US">In this study, chitosan was extracted from shrimp shells by demineralization and deproteination processes. The extracted chitosan was used to modify the layered double hydroxide and used as an adsorbent for the removal of congo red from aqueous solutions. Composites were successfully synthesized using M2+/Al (M2+ = Zn, Mg, Ni) and chitosan (CH) and the samples obtained were characterized using XRD and FTIR. The X-ray diffraction (XRD) pattern appeared at the layered double hydroxide peak of 2? = 11.63°; 23.00°; 35.16°; and 61.59° and chitosan at 2? = 7.93° and 19.35. The composite appearing in the layered double hydroxide and chitosan indicated that the composite material has been successfully synthesized. The XRD diffraction patterns of Zn/Al-CH, Ni/Al-CH, and Mg/Al-CH showed low crystallinity. The Fourier Transform Infrared (FTIR) spectra verifying absorption spectrum showed the presence of two bands at 3448 cm-1, 1382cm-1 characteristic to both chitosan and LDH. Adsorption of Congo Red (CR) followed the pseudo-second-order and Langmuir isotherm models. The adsorption capacities of Zn/Al-CH, Ni/Al-CH, and Mg/Al-CH were 181.818 mg/g, 227.273 mg/g, and 344.828 mg/g, respectively. The layered double hydroxide-chitosan composite adsorption was endothermically characterized by positive enthalpy and entropy values. On the other hand, the adsorption spontaneously was characterized by a negative Gibbs free energy value. The composites in this study were formed from LDH modified from chitosan extracted from shrimp shells to form Zn/Al-CH, Ni/Al-CH, and Mg/Al-CH. The results of the characterization showed a number of characteristics that resembled the constituent materials in the form of LDH and chitosan. After being applied as an adsorbent to absorb Congo red dye, it then showed the most effective results using Mg/Al-CH adsorbent with an adsorption capacity of 344.828 mg/g.</dc:description>
	<dc:publisher xml:lang="en-US">Komunitas Ilmuwan dan Profesional Muslim Indonesia</dc:publisher>
	<dc:date>2021-12-31</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/547</dc:identifier>
	<dc:identifier>10.21924/cst.6.2.2021.547</dc:identifier>
	<dc:source xml:lang="en-US">Communications in Science and Technology; Vol. 6 No. 2 (2021); 74-79</dc:source>
	<dc:source xml:lang="id-ID">Communications in Science and Technology; Vol 6 No 2 (2021); 74-79</dc:source>
	<dc:source>2502-9266</dc:source>
	<dc:source>2502-9258</dc:source>
	<dc:source>10.21924/cst.6.2.2021</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://cst.kipmi.or.id/journal/article/view/547/95</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2021 Communications in Science and Technology</dc:rights>
</oai_dc:dc>