化学ルーピング水素製造とCO2除去を促進する炭ガス化プロセス
Charcoal Gasification Process for Boosting Chemical Looping Hydrogen Generation and CO2 Removal (原題)
A.A. Abbood, J. Li
🤖 gxceed AI 要約
日本語
バイオマス由来炭とCO2の逆ブードゥアール反応速度を固定床反応器で測定し、Aspen Plusで多段ガス化炉をモデル化した。これを改変型化学ルーピング水素製造（CLHG）とMEA炭酸ガス回収と統合した結果、水素収率が従来比23.4%向上し、CO2排出量は4.586 t/hから0.871 t/hへ約77%削減、回収CO2の約74%がプロセス内で再利用されることを示した。
English
Kinetics of the reverse Boudouard reaction between biomass-derived charcoal and CO2 were measured in a fixed-bed reactor and implemented in Aspen Plus to model a multi-stage gasifier. Integrating this with a modified chemical looping hydrogen generation (CLHG) system and MEA-based CO2 capture raised hydrogen yield by 23.4% versus conventional CLHG and cut CO2 emissions from 4.586 to 0.871 t/h, with ~77% of captured CO2 recycled to the gasifier.
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
水素製造とCCUを組み合わせたプロセス革新は、日本の水素基本戦略やGX推進法が掲げる脱炭素技術の実装に直結する。特に化学ルーピング技術の高効率化は、産業部門のScope1排出削減と水素サプライチェーン構築に寄与しうる。
In the global GX context
This work advances the integration of biomass gasification with chemical looping and carbon capture, a pathway relevant to global net-zero industrial strategies and emerging hydrogen/CCUS policy frameworks. It offers a concrete process design for improving hydrogen yield while closing the carbon loop, which can inform transition finance and technology deployment discussions.
👥 読者別の含意
🔬研究者:化学ルーピングとガス化の統合設計における反応速度論とプロセスシミュレーションの手法を参考にできる。
🏢実務担当者:水素製造プラントやCCU設備の設計・運転効率改善の際に、統合プロセスの可能性を検討する材料となる。
🏛政策担当者:水素・CCUS技術の実装支援策を検討する際に、統合システムの排出削減ポテンシャルと技術的課題を把握できる。
📄 Abstract（原文）
The integration of biomass-derived processes with advanced hydrogen production technologies is essential for achieving low-carbon energy systems. In this work, a novel integration of charcoal gasification with chemical looping hydrogen generation (CLHG) is proposed to enhance hydrogen production while enabling efficient carbon capture and utilisation (CCU). Experimentally, the kinetics of CO production via the reverse Boudouard reaction were determined using biomass-derived charcoal and CO2 in a fixed-bed reactor. A power-law kinetic model was developed and subsequently implemented in Aspen Plus to simulate a multi-stage gasifier. The proposed gasification system was then thermodynamically integrated with a modified CLHG configuration and a monoethanolamine (MEA)-based carbon capture unit. The experimental results show that optimal gasification is achieved at 935 °C and a CO2 flow rate of 51 mL min.¹, yielding a CO concentration of 36%. Simulation results demonstrate that the integrated system increases hydrogen yield by 23.4% compared to conventional CLHG operating at 10 bar. Furthermore, CO2 emissions are significantly reduced from 4.586 t h.¹ to 0.871 t h.¹, with approximately 77% of the captured CO2 recycled to the gasifier. The CO2 exergy flow is approximately 74% of the total captured CO2, which is reutilised within the process. Overall, the proposed integration demonstrates a promising pathway to improve hydrogen productivity, reinforce carbon circularity, and reduce emissions in chemical looping systems, offering strong potential for future scale-up and industrial application.
🔗 Provenance — このレコードを発見したソース
- openalex https://strathprints.strath.ac.uk/view/author/1381662.html>first seen 2026-10-29 04:40:49 · last seen 2026-11-06 04:34:54
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