Performance Evaluation of Ceramic Membrane Based Process for Microalgal Biomass Harvesting: Analyzing the Effect of Membrane Pore Sizes, Process Optimization and Fouling Behavior

IF 1.5 4区材料科学 Q3 MATERIALS SCIENCE, CERAMICS Transactions of the Indian Ceramic Society Pub Date : 2023-07-03 DOI:10.1080/0371750X.2023.2229395

Anirban Ray, S. Majumdar, Sourja Ghosh

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Abstract

Microalgal biofuel emerges as a potential resource of renewable energy in view of global energy demand and increasing greenhouse gases. However, substantial challenges of efficient up-concentrating of biomass act as a bottleneck in large scale production of biofuel. The study is aimed towards unravelling the obstacles encountered during dewatering of biomass from mixed-microalgae consortia using ceramic membrane based process with varying pore sizes in the microfiltration (MF) and ultrafiltration (UF) range. For clay and alumina based MF membrane, 1.2 µm pore size (average) and for alumina supported nano-alumina coated UF membrane, ∼0.01 µm pore size (average) was used. The effect of various recirculation parameters was studied for process optimization. Resistance-in-series model was employed for analyzing fouling behavior of the membranes. MF membrane was observed to have better harvesting efficiency than the UF counterpart in terms of productivity (124.41). Optimum permeate flux of microalgal suspension was found to be 315.29 L.m−2.h−1 for MF membrane. Regeneration of membranes by air assisted backpulsing process showed up to 97.71% of flux recovery for MF membrane. Volume reduction factor/ membrane area (371) was found to be considerably high compared to various reported studies. The study highlighted efficient harvesting of microalgae using indigenously developed ceramic MF membrane integrated filtration towards cost-effective production of biofuel. GRAPHICAL ABSTRACT

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微藻生物质陶瓷膜工艺性能评价:膜孔径、工艺优化及污染行为的影响分析

鉴于全球能源需求和温室气体不断增加，微藻生物燃料成为一种潜在的可再生能源。然而，生物质高效浓缩的巨大挑战成为大规模生产生物燃料的瓶颈。该研究旨在解开使用陶瓷膜工艺对混合微藻群落中的生物质进行脱水过程中遇到的障碍，该工艺的孔径在微滤（MF）和超滤（UF）范围内变化。对于粘土和氧化铝基MF膜，孔径为1.2µm（平均值），对于氧化铝负载的纳米氧化铝涂层超滤膜，孔径为～0.01µm（均值）。研究了各种再循环参数对工艺优化的影响。采用串联电阻模型对膜的结垢行为进行了分析。在生产率方面，MF膜比UF膜具有更好的收获效率（124.41）。发现MF膜的微藻悬浮液的最佳渗透通量为315.29 L.m−2.h−1。空气辅助反脉冲法再生MF膜的通量回收率高达97.71%。与各种报道的研究相比，体积减少因子/膜面积（371）相当高。该研究强调了使用本土开发的陶瓷MF膜集成过滤高效收获微藻，以实现生物燃料的成本效益生产。图形摘要

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来源期刊

Transactions of the Indian Ceramic Society 工程技术-材料科学：硅酸盐

CiteScore

2.40

自引率

8.30%

发文量

审稿时长

2.3 months

期刊介绍： Transactions of the Indian Ceramic Society is a quarterly Journal devoted to current scientific research, technology and industry-related news on glass and ceramics. The Journal covers subjects such as the chemical, mechanical, optical, electronic and spectroscopic properties of glass and ceramics, and characterization of materials belonging to this family. The Editor invites original research papers, topical reviews, opinions and achievements, as well as industry profiles for publication. The contributions should be accompanied by abstracts, keywords and other details, as outlined in the Instructions for Authors section. News, views and other comments on activities of specific industries and organizations, and also analyses of industrial scenarios are also welcome.