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産業排ガス中の重金属の低炭素制御

Low-carbon control of heavy metals in industrial flue gas (原題)

Hongyuan Qi, Qinyuan Hong, Wenjun Huang, Zan Qu, Naiqiang Yan, Haomiao Xu

Greenverse Science📚 査読済 / ジャーナル2026-11-09#その他Origin: CN経営インパクト: コスト削減対象セクター: manufacturing
DOI: 10.20517/greenvsci.2026.18
原典: https://doi.org/10.20517/greenvsci.2026.18
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🤖 gxceed AI 要約

日本語

産業排ガス中の重金属は微量でも生態毒性が高く、温度依存の揮発・化学変換・相再分配により制御が難しい。本ミニレビューは放出・化学種形成の物理化学から、気相制御、界面捕集、既存大気汚染防止装置での除去までを整理する。特に省エネ、コベネフィット制御、排ガス成分活用により追加のエネルギー・材料投入を抑える低炭素制御戦略に注目し、エネルギー・試薬消費と残渣安定性が全体便益を左右すると指摘する。今後の方向として高効率除去と低プロセス負荷、明確な最終処分先の結合を提唱する。

English

This mini review traces heavy-metal control in industrial flue gas from release and speciation chemistry through gas-phase regulation, interfacial capture, and removal in conventional air-pollution-control devices. It highlights low-carbon strategies that cut energy and material inputs via energy savings, co-benefit control, and use of flue-gas components, while flagging energy demand, reagent consumption, and residue stability as determinants of net benefit. Persistent limits include high inputs, secondary release from unstable captured metals, and difficult resource recovery; the authors call for coupling efficient removal with lower process burden and a defined final endpoint.

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

日本では大気汚染防止法と排出削減の両立が産業界の課題であり、脱炭素と大気質のコベネフィットはSSBJ開示における環境負荷低減の説明材料になり得る。ただし炭素会計や開示制度への直接的示唆は限定的。

In the global GX context

For global disclosure scholarship this sits at the edge of GX: it speaks to co-benefit and pollution-control efficiency rather than carbon accounting, but offers technical grounding for industrial decarbonization narratives where air quality and climate goals interact.

👥 読者別の含意

🔬研究者:重金属の化学種・相分配と低炭素制御技術の研究課題を整理する際の出発点になる。

🏢実務担当者:排ガス処理設備の省エネ・試薬削減と残渣安定化を検討する製造業の環境管理担当に参考になる。

🏛政策担当者:大気汚染規制と脱炭素政策のコベネフィット設計を検討する際の技術的論点を提供する。

📄 Abstract（原文）

Heavy metals emitted from industrial sectors represent a class of recalcitrant atmospheric pollutants with severe ecotoxicological hazards even at trace levels. Their control is complicated by temperature-dependent volatilization, chemical transformation, phase redistribution, and interactions with reactive flue-gas components. This Mini Review examines heavy-metal control from the physicochemical basis of release and speciation to gas-phase regulation, interfacial capture, and removal in conventional air-pollution-control devices. Particular attention is given to low-carbon control strategies, which aim to reduce additional energy and material inputs by lowering energy consumption, implementing co-benefit control, and utilizing flue-gas components, while avoiding placing an excessive burden on downstream treatment processes. Controlled cooling, adsorption, catalytic or chemical speciation conversion, wet absorption, and plasma-assisted activation can effectively regulate heavy-metal fate, but their overall benefit depends on energy demand, reagent consumption, and the stability of the resulting metal-containing residues. Current technologies also face three persistent limitations: high energy and material inputs, secondary release from unstable captured metals, and difficulties in resource recovery from complex residues. Future development should therefore couple efficient removal with lower process burden and a defined final endpoint, directing recoverable streams toward resource recovery and other residues toward durable stabilization. This system-level perspective positions low-carbon heavy-metal control as an important direction for cleaner industrial flue-gas management.

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