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Disinfection byproducts (DBPs) 1

Groundwater remediation 1

Halogenated compounds 1

Hydrodechloriantion 1

Hydrogenation 1

Ni nanoparticles 1

Nitrate/nitrite contaminants 1

Wastewater treatment 1

halogenated nitrobenzenes 1

metal–organic-framework 1

nitrogen-doped carbon nanoneedles 1

room-temperature hydrogenation 1

tap water in China 1

total organic halogen 1

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Room-temperature hydrogenation of halogenated nitrobenzenes over metal–organic-framework-derived ultra-dispersed

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12, Pages 1782-1792 doi: 10.1007/s11705-022-2220-9

Abstract: were prepared by simple pyrolysis of Ni-based metal–organic-framework for selective hydrogenation of halogenatednitrobenzenes to corresponding anilines.

Keywords： halogenated nitrobenzenes room-temperature hydrogenation Ni nanoparticles nitrogen-doped carbon nanoneedles

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Whole pictures of halogenated disinfection byproducts in tap water from China’s cities

Yang PAN,Xiangru ZHANG,Jianping ZHAI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1, Pages 121-130 doi: 10.1007/s11783-014-0727-0

Abstract: Numerous polar halogenated DBPs were detected, including haloacetic acids, newly identified halogenatedphenols, and many new/unknown halogenated compounds.

Keywords： Disinfection byproducts (DBPs) total organic halogen tap water in China

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Catalytic reduction for water treatment

Maocong Hu, Yin Liu, Zhenhua Yao, Liping Ma, Xianqin Wang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-017-0972-0

Abstract: Treating water contaminants via heterogeneously catalyzed reduction reaction is a subject of growing interest due to its good activity and superior selectivity compared to conventional technology, yielding products that are non-toxic or substantially less toxic. This article reviews the application of catalytic reduction as a progressive approach to treat different types of contaminants in water, which covers hydrodehalogenation for wastewater treatment and hydrogenation of nitrate/nitrite for groundwater remediation. For hydrodehalogenation, an overview of the existing treatment technologies is provided with an assessment of the advantages of catalytic reduction over the conventional methodologies. Catalyst design for feasible catalytic reactions is considered with a critical analysis of the pertinent literature. For hydrogenation, hydrogenation of nitrate/nitrite contaminants in water is mainly focused. Several important nitrate reduction catalysts are discussed relating to their preparation method and catalytic performance. In addition, novel approach of catalytic reduction using in situ synthesized H evolved from water splitting reaction is illustrated. Finally, the challenges and perspective for the extensive application of catalytic reduction technology in water treatment are discussed. This review provides key information to our community to apply catalytic reduction approach for water treatment.

Keywords： Halogenated compounds Nitrate/nitrite contaminants Hydrodechloriantion Hydrogenation Wastewater treatment