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HiGee Intensified Low-Energy Carbon Dioxide Capture Using Phase-Change Absorbent: A Pilot-Scale Study

HiGee強化相変化吸収材を用いた低エネルギーCO2回収：パイロット規模研究 (AI 翻訳)

Rui‐Qi Jia, Zhi-Yuan Xue, Guang‐Wen Chu, J F Chen, Liang-Liang Zhang

Industrial & Engineering Chemistry Research📚 査読済 / ジャーナル2026-05-22#CCUSOrigin: CN
DOI: 10.1021/acs.iecr.5c05397
原典: https://doi.org/10.1021/acs.iecr.5c05397

🤖 gxceed AI 要約

日本語

相変化吸収材を用いたHiGee技術によるCO2回収プロセスを100トン規模のパイロットプラントで検討。従来のMEA法に比べて再生エネルギー消費を48.08%削減し、2.01 GJ/t CO2を達成。長期間安定運転で91.64%の回収効率を実証した。実用化への堅牢な実証を提供。

English

This pilot-scale study demonstrates a phase-change absorbent for CO2 capture using HiGee rotating packed bed technology. The novel absorbent reduces regeneration energy by 48.08% compared to MEA, achieving 2.01 GJ/t CO2 with 91.64% capture efficiency in long-term operation. Provides robust demonstration for low-energy carbon capture practical application.

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

日本でもCCUS技術はGXの重要な柱だが、大規模実証が進んでいない。本論文は中国でのパイロット実証であり、低エネルギー回収の実現可能性を示す点で参考になる。

In the global GX context

As CCUS scales globally, reducing energy penalty is critical. This Chinese pilot study offers a clear pathway using phase-change absorbents and high-gravity technology, showing substantial energy savings. It provides valuable data for international CCUS deployment.

👥 読者別の含意

🔬研究者:Provides experimental validation and performance metrics for phase-change absorbent systems, valuable for carbon capture process optimization.

🏢実務担当者:Demonstrates a scalable technology with energy consumption details that can inform industrial CCUS project planning.

🏛政策担当者:Shows tangible progress in low-carbon technology that could support carbon pricing or subsidy frameworks for CCS.

📄 Abstract（原文）

Phase-change absorbents are promising solutions for overcoming the high-energy consumption challenge faced by aqueous amine-based CO2 capture technologies. However, the practical applications are often impeded by difficulties in gas–liquid mass transfer in a viscous absorbent. In this work, a novel multicomponent phase-change absorbent was developed using an ionic liquid as a promoter. This absorbent has a fast phase separation time and very low regeneration energy consumption, which is 48.08% lower than that of conventional MEA solvents. The carbon capture process of the phase-change absorbent using HiGee technology was investigated on a hundred-ton-scale pilot plant. Compared to packed towers, both the capture efficiency and the regeneration energy consumption were improved by using an intensified HiGee rotating packed bed. The energy consumption was reduced to 2.01 GJ/t CO2, and capture efficiency reached 91.64% during long-term stable operation. This work provides a robust demonstration of low-energy carbon capture using a phase-change absorbent for practical applications.

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