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Synthesis of activated carbon from

活性炭の合成：カカオ殻からの持続可能な吸着剤 (AI 翻訳)

Widi Astuti, Triastuti Sulistyaningsih, Irene Nindita Pradnya, Linda Hilmatul Arifah, Gusti Maulana Negoro, Fera Utnita Sari, Widya Wijayanti, Zulfa Fitri

Springer Link (Chiba Institute of Technology)📚 査読済 / ジャーナル2026-08-12#その他対象セクター: waste_management
DOI: 10.1051/matecconf/202642304001/pdf
原典: https://www.matec-conferences.org/10.1051/matecconf/202642304001/pdf
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🤖 gxceed AI 要約

日本語

本研究は、カカオ殻からKOH賦活により活性炭を合成し、マラカイトグリーン除去への吸着性能を評価した。多孔質構造と酸素含有官能基により、10分以内に急速吸着し、150分で平衡に達した。農業廃棄物の高付加価値化による循環経済とSDG 12への貢献が示された。

English

This study synthesizes activated carbon from cocoa pod husk via KOH activation and evaluates its adsorption performance for malachite green removal. The porous structure and oxygen-rich functional groups enable rapid adsorption within 10 minutes and equilibrium in 150 minutes. It supports circular economy principles and SDG 12 by valorizing agricultural waste.

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

📝 gxceed 編集解説 — Why this matters

日本のGX文脈において

日本では食品廃棄物や農業残渣の有効活用が注目されており、本研究成果は廃棄物由来材料のGX活用の一例として参考になる。ただし、具体的な日本市場への応用や政策連動は限定的。

In the global GX context

Globally, this work contributes to circular economy and waste valorization, aligning with SDG 12. It offers a low-cost adsorbent for wastewater treatment, relevant to sustainable materials research, though not directly tied to climate disclosure or transition finance.

👥 読者別の含意

🔬研究者:Materials scientists exploring sustainable adsorbents from agricultural waste.

🏢実務担当者:Waste management or water treatment companies seeking circular economy solutions.

📄 Abstract（原文）

Cocoa (Theobroma cacao) pod husk (CPH) is a promising raw material to produce activated carbon (AC) due to its abundant lignocellulosic content. However, high lignin and cellulose contents can promote tar formation during pyrolysis, leading to pore blockage and reduced carbon quality. This study investigates the effects of KOH activation and key process parameters on the characteristics and adsorption performance of AC derived from CPH for the removal of malachite green (MG). The biomass was pyrolyzed in an electric furnace at 400 °C and 600 °C under limited-air conditions, followed by chemical activation with potassium hydroxide (KOH). The AC exhibited a highly porous structure with oxygen-rich functional groups, enabling rapid adsorption of MG within the first 10 minutes and reaching equilibrium within 150 minutes. Maximum adsorption removal was observed at pH 5. These findings indicate that KOH activation effectively enhances the surface activity and porosity of AC derived from CPH, making it a sustainable and cheap adsorbent to remove of dyes from wastewater. Furthermore, this study supports circular economy principles by valorizing agricultural waste into high-value functional materials and contributes to SDG 12 by promoting waste reduction.

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