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铁矿物促腐殖化过程的化学机制及其碳负排潜力

孙淑慧,  徐玺铠,  徐梦瑶,  邓航,  汪华林,  杨雪晶

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文章导航 > 环境工程  > 2025 >  43(8): 214-225
孙淑慧, 徐玺铠, 徐梦瑶, 邓航, 汪华林, 杨雪晶. 铁矿物促腐殖化过程的化学机制及其碳负排潜力[J]. 环境工程, 2025, 43(8): 214-225. doi: 10.13205/j.hjgc.202508020
引用本文: 孙淑慧, 徐玺铠, 徐梦瑶, 邓航, 汪华林, 杨雪晶. 铁矿物促腐殖化过程的化学机制及其碳负排潜力[J]. 环境工程, 2025, 43(8): 214-225. doi: 10.13205/j.hjgc.202508020
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SUN Shuhui, XU Xikai, XU Mengyao, DENG Hang, WANG Hualin, YANG Xuejing. Chemical mechanisms of iron mineral-facilitated humification and their potential toward carbon-negative emissions[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(8): 214-225. doi: 10.13205/j.hjgc.202508020
Citation: SUN Shuhui, XU Xikai, XU Mengyao, DENG Hang, WANG Hualin, YANG Xuejing. Chemical mechanisms of iron mineral-facilitated humification and their potential toward carbon-negative emissions[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(8): 214-225. doi: 10.13205/j.hjgc.202508020
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铁矿物促腐殖化过程的化学机制及其碳负排潜力

doi: 10.13205/j.hjgc.202508020

  • 1. 华东理工大学 工业废水无害化与资源化国家工程研究中心, 上海 200237;

  • 2. 北京大学 能源与资源工程系, 北京 100871

基金项目: 

国家自然科学基金项目“促腐殖化过程的化学机制及其多介质环境特征研究”（22406057）；国家资助博士后研究人员计划（GZC20240468）；国家重点研发计划“地下水污染物跨介质传输观测与多界面阻控技术”（2024YFC3712700）

详细信息
    作者简介:

    孙淑慧（1996—），女，博士后，主要研究方向为氧化偶联促腐殖化。shhsun@ecust.edu.cn

    通讯作者:

    杨雪晶（1986—），女，教授，主要研究方向为“水-能源-食物”耦合（InFEWs）的低碳制造、污染控制化学。xj.yang@ecust.edu.cn

Chemical mechanisms of iron mineral-facilitated humification and their potential toward carbon-negative emissions

  • 1. National Engineering Research Center of Industrial Wastewater Detoxication and Resource Recovery, East China University of Science and Technology, Shanghai 200237, China;

  • 2. Department of Energy and Resources Engineering, Peking University, Beijing 100871, China

    摘要
  • 摘要: 随着全球气候变化的加剧，一系列碳负排技术被提出。然而，现有技术主要围绕CO2的一次固定。以偶联反应为代表的腐殖化作用长期以来在土壤和沉积物形成过程中扮演着重要角色，其对有机质和污染物的锁定作用有望成为碳固定、碳负排的核心环节，将有机残体转化为稳定的腐殖质，从而影响碳的储存和综合气候效应。铁矿物在这一过程中发挥着重要作用，其通过与有机碳的相互作用，促进腐殖质的形成，进而形成稳定的有机-无机复合体，促进有机碳的长期固存。综述了铁矿物促腐殖化的化学机制及其对碳循环的影响，探讨了腐殖化过程的关键反应路径，包括多酚途径、美拉德途径及其综合多酚-美拉德途径，并分析了铁矿物在土壤有机碳固存中的作用。最后，讨论了基于铁矿物促腐殖化的负碳排技术的开发，以期推动偶联促腐殖化技术在环境修复和碳中和领域的广泛应用。
    Abstract: With the intensification of global climate change， a series of carbon-negative emissions technologies have been proposed. However， existing technologies primarily focus on the primary fixation of CO2. Humification， represented by coupling reactions， has long played a critical role in soil and sediment formation. Its ability to lock organic matter and pollutants holds potential as a core mechanism for carbon fixation and negative emissions by converting organic residues into stable humic substances， thereby influencing carbon storage and comprehensive climate effects. Iron minerals are pivotal in this process， interacting with organic carbon to promote humification and forming stable organo-mineral complexes that enhance long-term organic carbon sequestration. This review synthesizes the chemical mechanisms of iron mineral-facilitated humification and its impacts on carbon cycle， focusing on key reaction pathways such as the polyphenol pathway， Maillard reaction pathway， and the integrated polyphenol-Maillard pathway. The role of iron minerals in stabilizing soil organic carbon is also analyzed. Finally， the development of iron-mediated humification technologies for carbon-negative emissions is discussed， aiming to advance the application of coupling-enhanced humification in environmental remediation and carbon neutrality.
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  • 收稿日期:  2025-04-08
  • 录用日期:  2025-06-09
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