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    Efficient Reduction of Trichloroethylene by a Stainless-Steel Anode Corrosion Product

    Source: Journal of Environmental Engineering:;2025:;Volume ( 151 ):;issue: 007::page 04025032-1
    Author:
    Li-Zhi Huang
    ,
    Yantong Ji
    ,
    Jingjing Lin
    ,
    Yitao Dai
    ,
    Ivan P. Pozdnyakov
    ,
    Bingbing Hu
    DOI: 10.1061/JOEEDU.EEENG-8088
    Publisher: American Society of Civil Engineers
    Abstract: Efficient trichloroethylene (TCE) dechlorination is crucial for mitigating water pollution. This study demonstrates that stainless-steel anode corrosion products (SSACP) effectively reduce TCE. Comparing with zero valent iron, green rust, and iron anode corrosion product, SSACP [44 mM Fe(II)] followed higher pseudo-first-order kinetics with a TCE reduction rate constant of 8.21  h−1 in 24 h with a TCE concentration of ∼15  μM. SSACP mainly consists of amorphous metal hydroxide, including Fe, Cr, and Ni. The TCE reduction rate increases significantly with pH value and SSACP dosage. Due to the presence of Ni, the electron transfer efficiency is greatly improved, which is the key for rapid dehalogenation of TCE. Meanwhile, ferrous hydroxide has coagulation and precipitation to control the dissolution of metal elements. The SSACP system showed excellent TCE removal efficiency in groundwater remediation.
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      Efficient Reduction of Trichloroethylene by a Stainless-Steel Anode Corrosion Product

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4307807
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    • Journal of Environmental Engineering

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    contributor authorLi-Zhi Huang
    contributor authorYantong Ji
    contributor authorJingjing Lin
    contributor authorYitao Dai
    contributor authorIvan P. Pozdnyakov
    contributor authorBingbing Hu
    date accessioned2025-08-17T23:02:00Z
    date available2025-08-17T23:02:00Z
    date copyright7/1/2025 12:00:00 AM
    date issued2025
    identifier otherJOEEDU.EEENG-8088.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4307807
    description abstractEfficient trichloroethylene (TCE) dechlorination is crucial for mitigating water pollution. This study demonstrates that stainless-steel anode corrosion products (SSACP) effectively reduce TCE. Comparing with zero valent iron, green rust, and iron anode corrosion product, SSACP [44 mM Fe(II)] followed higher pseudo-first-order kinetics with a TCE reduction rate constant of 8.21  h−1 in 24 h with a TCE concentration of ∼15  μM. SSACP mainly consists of amorphous metal hydroxide, including Fe, Cr, and Ni. The TCE reduction rate increases significantly with pH value and SSACP dosage. Due to the presence of Ni, the electron transfer efficiency is greatly improved, which is the key for rapid dehalogenation of TCE. Meanwhile, ferrous hydroxide has coagulation and precipitation to control the dissolution of metal elements. The SSACP system showed excellent TCE removal efficiency in groundwater remediation.
    publisherAmerican Society of Civil Engineers
    titleEfficient Reduction of Trichloroethylene by a Stainless-Steel Anode Corrosion Product
    typeJournal Article
    journal volume151
    journal issue7
    journal titleJournal of Environmental Engineering
    identifier doi10.1061/JOEEDU.EEENG-8088
    journal fristpage04025032-1
    journal lastpage04025032-9
    page9
    treeJournal of Environmental Engineering:;2025:;Volume ( 151 ):;issue: 007
    contenttypeFulltext
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