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Chemically activated biochar derived from mangrove litter with enhanced CO2 adsorption capacity for carbon sequestration

International Journal of Renewable Energy Development : JRED · Vol. 15 No. 3 (2026) · hlm. 474–485

DOI
10.61435/ijred.2026.62059
ISSN
2252-4940
Terbit
2026-05-01
Penerbit
Center of Biomass & Renewable Energy (CBIORE)
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-sa/4.0

Abstrak

Overcoming climate change is crucial to ensure environmental sustainability. This research focuses on the development of chemically activated biochar (CAB) from mangrove litters that can be used for CO2 adsorption, which leads to reducing the impacts of climate change. The synthesisation of CAB was carried out via pyrolysis at 400℃ for 2 hours under nitrogen gas flow, followed by treatment using various activating agents (0.1 M of H2SO4, HCl, KOH, and NaOH) for 2 hours with a biochar-to-solution ratio of 1 g: 4 mL. The activation process was designed to enhance surface area, pore characteristics, and functional groups associated with CO2 adsorption performance. The observation on the characteristics of CAB using Scanning Electron Microscope and Energy Dispersive X-Ray (SEM-EDX), The Brunauer, Emmett, Teller and Barret-Joyner-Halenda (BET-BJH), Fourier Transform Infrared Spectroscopy (FTIR), CHN Analyser, and static batch CO2 adsorption tests shows the ability of CAB in capturing CO2 through several possible mechanism. Among the samples, KOH-activated biochar (B-KOH) exhibited the highest CO2 adsorption capacity, reaching 12.47 mmol CO2 g-1 biochar. This high performance is attributed to a potassium (K) composition of 9.74%, which effectively catalyzed the development of a microporous structure, resulting in a micropore volume of 5.927 x 10-3 cm3/g and an optimized average pore width of 1.543 nm. Furthermore, B-KOH maintained the highest O-H group area (1.533 a.u. x cm-1), enhancing its affinity for CO2 molecules. This research offers an innovative and practical solution to reduce greenhouse gases and is expected to have a significant impact, both locally and globally, in advancing sustainable development.

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Rekan penulisOrganisasiArtikel bersama
Miradatul Najwa Muhd RodhiAfiliasi tidak diketahui3
Harumi VenyAfiliasi tidak diketahui3
Wei GaoAfiliasi tidak diketahui3
Aji PrasetyaningrumAfiliasi tidak diketahui3
Bakti JosAfiliasi tidak diketahui3
Dina LesdantinaAfiliasi tidak diketahui3
Heru SusantoAfiliasi tidak diketahui3
Rosalyza HasanAfiliasi tidak diketahui2
Chi Cheng ChongAfiliasi tidak diketahui2
Ratna Dewi KusumaningtyasAfiliasi tidak diketahui2
Haniif PrasetiawanAfiliasi tidak diketahui2
Dhoni HartantoAfiliasi tidak diketahui2
Aininu NafiunisaAfiliasi tidak diketahui2
Nita AryantiAfiliasi tidak diketahui2
Alifia Rizki AdinaAfiliasi tidak diketahui2
H. HadiyantoAfiliasi tidak diketahui2
Hadiyanto HadiyantoDiponegoro University2
Titik IstirokhatunAfiliasi tidak diketahui2
Ismail AnshariAfiliasi tidak diketahui1
Lee Peng TehAfiliasi tidak diketahui1
Sugeng TriwahyonoAfiliasi tidak diketahui1
Aishah Abdul JalilAfiliasi tidak diketahui1
Muhammad Arif Abdul AzizAfiliasi tidak diketahui1
Nur Hidayatul Nazirah KamarudinAfiliasi tidak diketahui1
Aishah Abdul JalilAfiliasi tidak diketahui1
Siti Hazirah AdamAfiliasi tidak diketahui1
Nur Fatien Muhamad SallehAfiliasi tidak diketahui1
Ku Halim Ku HamidAfiliasi tidak diketahui1
Junzhe DongAfiliasi tidak diketahui1
Junye DongAfiliasi tidak diketahui1
Muhammad Zarin Amin ZainalAfiliasi tidak diketahui1

Afiliasi berasal dari OpenAlex; metadata OAI-PMH jurnal tidak memuatnya. Penulis tanpa ID OpenAlex dicocokkan berdasarkan nama, sehingga dua orang bisa tergabung atau satu orang bisa terpisah.

Sumber metadata: OAI-PMH (metadata jurnal) https://ijred.cbiore.id/index.php/ijred/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">Chemically activated biochar derived from mangrove litter with enhanced CO2 adsorption capacity for carbon sequestration</dc:title>
	<dc:creator>Ariyanti, Dessy</dc:creator>
	<dc:creator>Syifa, Viona</dc:creator>
	<dc:creator>Hapsari, Farida Diyah</dc:creator>
	<dc:creator>Widiasa, I Nyoman</dc:creator>
	<dc:creator>Widayat, Widayat</dc:creator>
	<dc:creator>Silviana, Silviana</dc:creator>
	<dc:creator>Purbasari, Aprilina</dc:creator>
	<dc:creator>Setiabudi, Herma Dina</dc:creator>
	<dc:creator>Hamzah, Fazlena</dc:creator>
	<dc:subject xml:lang="en-US">adsorption; biochar; carbon sequestration; chemical activation; mangrove litters</dc:subject>
	<dc:description xml:lang="en-US">Overcoming climate change is crucial to ensure environmental sustainability. This research focuses on the development of chemically activated biochar (CAB) from mangrove litters that can be used for CO2 adsorption, which leads to reducing the impacts of climate change. The synthesisation of CAB was carried out via pyrolysis at 400℃ for 2 hours under nitrogen gas flow, followed by treatment using various activating agents (0.1 M of H2SO4, HCl, KOH, and NaOH) for 2 hours with a biochar-to-solution ratio of 1 g : 4 mL. The activation process was designed to enhance surface area, pore characteristics, and functional groups associated with CO2 adsorption performance. The observation on the characteristics of CAB using Scanning Electron Microscope and Energy Dispersive X-Ray (SEM-EDX), The Brunauer, Emmett, Teller and Barret-Joyner-Halenda (BET-BJH), Fourier Transform Infrared Spectroscopy (FTIR), CHN Analyser, and static batch CO2 adsorption tests shows the ability of CAB in capturing CO2 through several possible mechanism. Among the samples, KOH-activated biochar (B-KOH) exhibited the highest CO2 adsorption capacity, reaching 12.47 mmol CO2 g-1 biochar. This high performance is attributed to a potassium (K) composition of 9.74%, which effectively catalyzed the development of a microporous structure, resulting in a micropore volume of 5.927 x 10-3 cm3/g and an optimized average pore width of 1.543 nm. Furthermore, B-KOH maintained the highest O-H group area (1.533 a.u. x cm-1), enhancing its affinity for CO2 molecules. This research offers an innovative and practical solution to reduce greenhouse gases and is expected to have a significant impact, both locally and globally, in advancing sustainable development.</dc:description>
	<dc:publisher xml:lang="en-US">Center of Biomass &amp; Renewable Energy (CBIORE)</dc:publisher>
	<dc:date>2026-05-01</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en-US"></dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://ijred.cbiore.id/index.php/ijred/article/view/62059</dc:identifier>
	<dc:identifier>10.61435/ijred.2026.62059</dc:identifier>
	<dc:source xml:lang="en-US">International Journal of Renewable Energy Development; Vol 15, No 3 (2026): May 2026; 474-485</dc:source>
	<dc:source>2252-4940</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://ijred.cbiore.id/index.php/ijred/article/view/62059/pdf</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2026 The Author(s). Published by Centre of Biomass and Renewable Energy (CBIORE)</dc:rights>
	<dc:rights xml:lang="en-US">https://creativecommons.org/licenses/by-sa/4.0</dc:rights>
</oai_dc:dc>