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Catalytic reduction for water treatment

Frontiers of Environmental Science & Engineering 2018年第1期12卷 25-42页

作者： Maocong Hul Yin Liu Zhenhua Yaol Liping Ma Xianqin Wang Department of Chemical Biological and Pharmaceutical Engineering New Jersey Institute of Technology Newark NJ 07102 USA primus green energy Hilfsborough NJ 08844 USA Oil ＆ Gas Technology Research Institute of Changqing Oilfield Company Xi＇an 710018 China

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 tbr 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 H2 evolved from water splitting reaction is illustrated. Finally, the challenges and perspective tbr the extensive application of catalytic reduction technology in water treatment arc discussed. This review provides key information to our community to apply catalytic reduction approach for water treatment.

关键词： Halogenated compoundsNitrate/nitrite contaminantsHydrodechloriantionHydrogenationWastewater treatmentGroundwater remediation

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Combination and summary of ATLAS dark matter searches interpreted in a 2HDM with a pseudo-scalar mediator using 139 fb^(-1)of√s=13 TeV pp collision data

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Science Bulletin 2024年第19期69卷 3005-3035页

作者： The ATLAS Collaboration Department of Physics University of Adelaide Adelaide Australia Department of Physics University of Alberta Edmonton AB Canada Physics Department National Technical University of Athens Zografou Greece CPPM Aix-Marseille Université CNRS/IN2P3 Marseille France Institute of Physics Azerbaijan Academy of Sciences Baku Azerbaijan School of Physics and Astronomy University of Birmingham Birmingham United Kingdom Homer L. Dodge Department of Physics and Astronomy University of Oklahoma Norman OK United States of America APC Université Paris Cité CNRS/IN2P3 Paris France II. Physikalisches Institut Georg-August-Universität Göttingen Göttingen Germany LAPP Université Savoie Mont Blanc CNRS/IN2P3 Annecy France Physics Department National and Kapodistrian University of Athens Athens Greece Fakultät Physik Technische Universität Dortmund Dortmund Germany Physics Department Brookhaven National Laboratory Upton NY United States of America Faculté des sciences Université Mohammed V Rabat Also at Center for High energy Physics Peking University Beijing Institute of Physics University of Belgrade Belgrade Serbia Department of Physics Duke University Durham NC United States of America Raymond and Beverly Sackler School of Physics and Astronomy Tel Aviv University Tel Aviv Israel Institut für Kern-~und Teilchenphysik Technische Universität Dresden Dresden Germany Department of Physics Technion Israel Institute of Technology Haifa Israel Department of Physics University of Arizona Tucson AZ United States of America Department of Physics University of Texas at Austin Austin TX United States of America Department of Physics New York University New York NY United States of America Institut de Física d’Altes Energies (IFAE) Barcelona Institute of Science and Technology Barcelona Spain Affiliated with an institute covered by a cooperation agreement with CERN Departamento de Física Pontificia Universidad Católica de Chile Santiago Also Affiliated with an i

Results from a wide range of searches targeting different experimental signatures with and without missing transverse momentum(E_(T)^(miss))are used to constrain a Two-Higgs-Doublet Model(2HDM)with an additional pseudo-scalar mediating the interaction between ordinary and dark matter(2HDM+a).The analyses use up to 139 fb^(-1)of proton–proton collision data at a centre-of-mass energy√s=13 TeV pp recorded with the ATLAS detector at the Large Hadron Collider during 2015–*** results from three of the most sensitive searches are combined *** searches target signatures with large E_(T)^(miss)and a leptonically decaying Z boson;large E_(T)^(miss)and a Higgs boson decaying to bottom quarks;and production of charged Higgs bosons in final states with top and bottom quarks,*** are derived for several common and new benchmark scenarios in the 2HDM+a.

关键词： High-energy physics Proton-proton Beyond Standard Model Dark matter

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