微生物濃縮・廃水浄化・水素収率向上のためのナノ・バイオ・植物化学的相乗処理
Synergistic Nano–Bio–Phytochemical Treatment for Microbial Enrichment, Wastewater Remediation, and Enhanced Hydrogen Yield (原題)
Dubey S, Srivastava R, Hirani H, Trivedi J, Sharma T
🤖 gxceed AI 要約
日本語
低次元ZnOナノ流体とCroton bonplandianum抽出物を組み合わせたナノ・バイオ・植物化学的処理を開発し、活性汚泥中の汚染物質分解微生物を濃縮した。最適条件(S4)で濁度・TDS・TSS・有機汚染物質が低減し溶存酸素が改善、EnterobacterとPseudomonasの濃縮を16S rRNA解析で確認した。処理水からのアルカリ性水素生成は約98%に達し、未処理水比で112%向上した。
English
An integrated nano-bio-phytochemical strategy combining low-dimensional ZnO nanofluid with Croton bonplandianum extract enriched pollutant-degrading microbes in activated sludge. The optimized system (S4) reduced turbidity, TDS, TSS and organic contaminants while improving dissolved oxygen, with 16S rRNA sequencing confirming enrichment of Enterobacter and Pseudomonas. Treated wastewater yielded ~98% hydrogen production, a 112% enhancement over untreated water, offering a sustainable route for simultaneous remediation and green hydrogen.
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
水素は日本のGX実現に向けた重点分野であり、廃水処理と水素製造を統合する資源循環型アプローチは、地域の水素サプライチェーン構築やグリーン水素コスト低減の議論に示唆を与える。ただし実装規模・経済性の検証は今後の課題。
In the global GX context
Green hydrogen from wastewater sits at the intersection of circular resource recovery and decarbonization pathways relevant to transition finance and industrial decarbonization debates. The work adds empirical evidence on low-cost biological hydrogen production, though at lab scale.
👥 読者別の含意
🔬研究者:ナノ材料と植物抽出物を組み合わせた微生物濃縮・水素生成の相乗効果に関する実験的知見を提供する。
🏢実務担当者:廃水処理と水素回収を統合する低コスト手法の可能性を把握できるが、実装には更なる検証が必要。
🏛政策担当者:地域資源を活用したグリーン水素生産の技術オプションとして、水素政策・循環経済政策の参考になる。
📄 Abstract（原文）
<title>Abstract</title> <p> Enhancing microbial enrichment while maintaining microbial compatibility is essential for efficient biological wastewater treatment and sustainable resource recovery. In the present investigation, an integrated nano–bio–phytochemical strategy using low-dimensional ZnO nanofluid and <italic>Croton bonplandianum</italic> (Bantulsi) extract was developed to enrich pollutant-degrading microorganisms and improve municipal wastewater treatment. Activated sludge was enriched under four treatment conditions (S1–S4), and the combined ZnO nanofluid–Bantulsi system (S4) exhibited the highest microbial proliferation and wastewater treatment efficiency, with significant reductions in turbidity, total dissolved solids, total suspended solids, electrical conductivity and organic contaminants, together with improved dissolved oxygen. 16S rRNA sequencing, BLAST analysis and phylogenetic characterization confirmed the successful enrichment of <italic>Enterobacter</italic> and <italic>Pseudomonas</italic> species, exhibiting 97.3–98.8% sequence identity, 95.93–99.80% BLAST similarity, and an E-value of zero. Toxicity assessment revealed a 0 mm zone of inhibition, demonstrating excellent microbial compatibility of the optimized ZnO nanofluid. The treated wastewater was subsequently utilized for alkaline hydrogen generation, wherein the optimized treatment achieved ~ 98% hydrogen production, corresponding to a 112% enhancement over untreated wastewater. Furthermore, optimization studies identified smaller ZnO NPs, 1 wt% ZnO concentration, and higher Bantulsi extract concentration as the optimum conditions for maximizing hydrogen production. Overall, the developed nano–bio–phytochemical platform provides an environmentally sustainable approach for simultaneous microbial enrichment, wastewater remediation, and green hydrogen production. </p>
🔗 Provenance — このレコードを発見したソース
- Research Square https://doi.org/10.21203/rs.3.rs-10848955/v1first seen 2026-10-23 04:44:36 · last seen 2026-11-05 04:20:48
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