"Hydrogen production using CaHA nanoparticles in single-chamber MEC system." #ScienceFather #Researcher #ResearchScientist

 "Hydrogen production using CaHA nanoparticles in single-chamber MEC system."

The integration of calcium hydroxyapatite (CaHA) nanoparticles into single-chambered microbial electrolysis cells (MECs) with carbon cloth-based cathodes has emerged as a promising approach to enhance bio-electrocatalytic hydrogen production. CaHA nanoparticles serve as effective catalysts, improving electron transfer and microbial adhesion, thereby increasing hydrogen yield and system efficiency.

🔬 Overview :

Calcium hydroxyapatite (CaHA) nanoparticles have garnered attention in bio-electrocatalysis, particularly within microbial electrolysis cells (MECs). These nanoparticles enhance hydrogen production by improving electron transfer and microbial adhesion on cathodic surfaces. In a single-chambered MEC utilizing a carbon cloth-based cathode, CaHA nanoparticles can significantly boost performance.​

⚙️ Mechanisms of Action :

• Enhanced Electron Transfer: CaHA nanoparticles facilitate efficient electron transfer between electroactive microbes and the cathode, improving overall hydrogen production rates.​

• Microbial Adhesion: The nanostructured surface of CaHA provides a conducive environment for microbial attachment, promoting biofilm formation and stability.​

• pH Regulation: CaHA contributes to maintaining optimal pH levels in the MEC, which is crucial for sustaining microbial activity and hydrogen production.​

📈 Performance Enhancements :

• Increased Hydrogen Yield: Studies have shown that the incorporation of CaHA nanoparticles can lead to a substantial increase in hydrogen production compared to systems without such additives.​

• Improved Efficiency: The presence of CaHA enhances the columbic efficiency and cathode bio-hydrogen recovery, indicating more efficient conversion processes.​PubMed

🧪 Related Studies :

• Hydroxyapatite Fabrication for Enhancing Biohydrogen Production from Glucose Dark Fermentation: This study demonstrated that hydroxyapatite could maintain pH balance and promote enzyme activity, leading to increased biohydrogen yield. ​PMC+1American Chemical Society Publications+1

• Influence of Nanomaterials on Biohydrogen Production Rates in Microbial Electrolysis Cells: A comprehensive review highlighting the effects of various nanomaterials, including CaHA, on biohydrogen production in MECs

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