Evaluating hydrogen production from glucose using graphite felt beads as a solid matrix in immobilized mixed cell reactor at thermophilic fermentation

Q3 Engineering

Communications in Science and Technology Pub Date : 2023-12-31 DOI:10.21924/cst.8.2.2023.1238

Ibdal Ssatar, M. I. Salehmin, Mimi Hani Abu Bakar, W. R. Wan Daud, Ika Dyah Kumalasari, Muhammad Aziz, Mahendara Rao Somalu, Byung Hong Kim

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Abstract

This study has successfully evaluated graphite felt (GF) beads as a solid matrix to immobilize or trap the mixed cultures in an immobilized mixed-cell reactor (IMcR). The anaerobic sludge of palm oil mill effluent was used as an inoculum source in the IMcR with mixed culture. Here, glucose, sucrose, and starch were used as the model substrates to evaluate the performance of IMcR with GF beads for producing bio-hydrogen (BioH2). BioH2, effluent, and surface morphology of GF beads were analyzed by using gas chromatography equipped with a thermal conductivity detector, high-performance liquid chromatography, and scanning electron microscopy, respectively. The highest H2 yield (YH2) and production rates were obtained at 304.0 ± 13.2 mL g?1COD (corresponding to 2.26 mol mol?1glucose) and 1403 ± 61 mL L?1 day?1, respectively. IMcR with GF beads is a new approach for generating high YH2, which can be used for more than two months in an experimental run.

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在嗜热发酵固定化混合细胞反应器中使用石墨毡珠作为固体基质评估葡萄糖制氢效果

本研究成功评估了石墨毡（GF）珠作为固体基质在固定化混合细胞反应器（IMcR）中固定或捕获混合培养物的效果。棕榈油厂污水中的厌氧污泥被用作混合培养 IMcR 的接种源。在这里，葡萄糖、蔗糖和淀粉被用作模型底物，以评估带有 GF 珠的 IMcR 在生产生物氢（BioH2）方面的性能。分别使用配备热导检测器的气相色谱法、高效液相色谱法和扫描电子显微镜分析了生物氢、流出物和 GF 珠的表面形态。最高的 H2 产量（YH2）和生产率分别为 304.0 ± 13.2 mL g?1COD（相当于 2.26 mol mol?1葡萄糖）和 1403 ± 61 mL L?1 day?1。使用 GF 珠的 IMcR 是产生高 YH2 的一种新方法，在一次实验中可使用两个多月。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Communications in Science and Technology Engineering-Engineering (all)

CiteScore

3.20

自引率

0.00%

发文量

审稿时长

24 weeks