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Journals / Firat University Journal of Experimental and Computational Engineering / 2024 / Cilt: 3 Sayı: 3

Development of a Production Process for Biomass-Based Activated Carbon via Hydrothermal Carbonization Method

Hidrotermal Karbonizasyon Yöntemiyle Biyokütle Bazlı Aktif Karbon Üretim Prosesinin Geliştirilmesi

Nida Katı(FIRAT ÜNİVERSİTESİ)0000-0001-7953-1258
Ferhat Uçar(FIRAT UNIVERSITY)0000-0001-9366-6124
Pages
326–336
Publication Date
2024-10-31
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

In conclusion, this study provides a detailed description of the characteristic properties of hydrochars, and activated carbons derived from AKS.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:This study presents a process development including detailed characterization of hydrochars and activated carbons produced by hydrothermal carbonization and chemical activation methods using apricot kernel shells (AKS).
📊
Key Findings & Data:Initially, the AKS were processed by grinding, followed by subjecting them to hydrothermal carbonization at 240ºC for 24, 36, and 48 hours, resulting in three distinct hydrochars.
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Conclusion & Impact:In conclusion, this study provides a detailed description of the characteristic properties of hydrochars, and activated carbons derived from AKS.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:Hidrotermal karbonizasyon · Aktif karbon · Kayısı çekirdeği kabuğu

Abstract

This study presents a process development including detailed characterization of hydrochars and activated carbons produced by hydrothermal carbonization and chemical activation methods using apricot kernel shells (AKS). Initially, the AKS were processed by grinding, followed by subjecting them to hydrothermal carbonization at 240ºC for 24, 36, and 48 hours, resulting in three distinct hydrochars. Subsequently, these hydrochars were mixed with KOH for 3 hours and subjected to a carbonization process at 700°C for 1 hour to obtain activated carbons. Various characterization methods such as Brunauer-Emmett-Teller (BET) surface area analysis, Scanning Electron Microscopy (SEM) and Energy Dispersive Spectroscopy (EDS), X-Ray Diffraction (XRD) analysis, and Fourier-Transform Infrared spectroscopy (FTIR) measurements were employed to determine the properties of the activated carbons. The results obtained indicate that the duration of the hydrothermal reaction increases the carbon content and leads to the formation of porous structures. Particularly, the chemical activation process was found to be effective in pore formation, as evident in SEM images. In conclusion, this study provides a detailed description of the characteristic properties of hydrochars, and activated carbons derived from AKS.

Özet

Bu çalışma, kayısı çekirdeği kabukları (KÇK) kullanılarak hidrotermal karbonizasyon ve kimyasal aktivasyon yöntemleriyle üretilen hidrokömürlerin ve aktif karbonların ayrıntılı karakterizasyonunu içeren bir süreç geliştirmeyi sunmaktadır. İlk olarak, KÇK öğütülerek işlenmiş, ardından 24, 36 ve 48 saat boyunca 240ºC’de hidrotermal karbonizasyona tabi tutularak üç farklı hidrokömür elde edilmiştir. Daha sonra, bu hidrokarbonlar 3 saat boyunca KOH ile karıştırılmış ve aktif karbonlar elde etmek için 700°C’de 1 saat boyunca karbonizasyon işlemine tabi tutulmuştur. Aktif karbonların yapısal özelliklerini belirlemek için Brunauer-Emmett-Teller (BET) yüzey alanı analizi, Taramalı Elektron Mikroskobu (SEM) ve Enerji Dağılım Spektroskopisi (EDS), X-Işını Kırınımı (XRD) analizi ve Fourier-Transform Kızılötesi spektroskopisi (FTIR) ölçümleri gibi çeşitli karakterizasyon yöntemleri kullanılmıştır. Elde edilen sonuçlar, hidrotermal reaksiyon süresinin karbon içeriğini artırdığını ve gözenekli yapıların oluşumuna yol açtığını göstermektedir. Özellikle, SEM görüntülerinden de anlaşılacağı üzere, kimyasal aktivasyon sürecinin gözenek oluşumunda etkili olduğu görülmüştür. Sonuç olarak, bu çalışma hidrokömürlerin ve KÇK’den elde edilen aktif karbonların karakteristik özelliklerinin ayrıntılı bir tanımını sunmaktadır.

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Cite This Article

Katı, N., Uçar, F. (2024). Development of a Production Process for Biomass-Based Activated Carbon via Hydrothermal Carbonization Method. Firat University Journal of Experimental and Computational Engineering, Cilt: 3 Sayı: 3, 326–336. https://doi.org/10.62520/fujece.1473852

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