Copper-based non-precious metal heterogeneous catalysts for environmental remediation

Fang, Yarong; Guo, Yanbing

doi:10.1016/s1872-2067(17)62996-6

Cited by 74 publications

(41 citation statements)

References 134 publications

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“…To this end, the development of emerging energy technologies towards the production of environmentally friendly fuels besides the establishment of cost-effective environmental technologies for climate change mitigation has become a main priority in the scientific and industrial community. Clean and reliable energy supply in conjunction with environmental protection by means of highly-and cost-effective technologies is one of the most significant concerns of the 21st century [1][2][3][4].…”

Section: Introductionmentioning

confidence: 99%

“…In view of the above aspects, heterogeneous catalysis is expected to have a key role in the near future towards sustainable development. Heterogeneous catalysis has received considerable attention from both the scientific and industrial community, as it is a field of diverse applications, including the petrochemical industry with the production of high quality chemicals and fuels, the fields of energy conversion and storage, as well as the remediation of the environment through the abatement of hazardous substances, signifying its pivotal role in the world economy [1,3,[5][6][7].…”

Section: Introductionmentioning

confidence: 99%

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Recent Advances on the Rational Design of Non-Precious Metal Oxide Catalysts Exemplified by CuOx/CeO2 Binary System: Implications of Size, Shape and Electronic Effects on Intrinsic Reactivity and Metal-Support Interactions

Konsolakis

Lykaki

2020

Catalysts

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Catalysis is an indispensable part of our society, massively involved in numerous energy and environmental applications. Although, noble metals (NMs)-based catalysts are routinely employed in catalysis, their limited resources and high cost hinder the widespread practical application. In this regard, the development of NMs-free metal oxides (MOs) with improved catalytic activity, selectivity and durability is currently one of the main research pillars in the area of heterogeneous catalysis. The present review, involving our recent efforts in the field, aims to provide the latest advances—mainly in the last 10 years—on the rational design of MOs, i.e., the general optimization framework followed to fine-tune non-precious metal oxide sites and their surrounding environment by means of appropriate synthetic and promotional/modification routes, exemplified by CuOx/CeO2 binary system. The fine-tuning of size, shape and electronic/chemical state (e.g., through advanced synthetic routes, special pretreatment protocols, alkali promotion, chemical/structural modification by reduced graphene oxide (rGO)) can exert a profound influence not only to the reactivity of metal sites in its own right, but also to metal-support interfacial activity, offering highly active and stable materials for real-life energy and environmental applications. The main implications of size-, shape- and electronic/chemical-adjustment on the catalytic performance of CuOx/CeO2 binary system during some of the most relevant applications in heterogeneous catalysis, such as CO oxidation, N2O decomposition, preferential oxidation of CO (CO-PROX), water gas shift reaction (WGSR), and CO2 hydrogenation to value-added products, are thoroughly discussed. It is clearly revealed that the rational design and tailoring of NMs-free metal oxides can lead to extremely active composites, with comparable or even superior reactivity than that of NMs-based catalysts. The obtained conclusions could provide rationales and design principles towards the development of cost-effective, highly active NMs-free MOs, paving also the way for the decrease of noble metals content in NMs-based catalysts.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Recent Advances on the Rational Design of Non-Precious Metal Oxide Catalysts Exemplified by CuOx/CeO2 Binary System: Implications of Size, Shape and Electronic Effects on Intrinsic Reactivity and Metal-Support Interactions

Konsolakis

Lykaki

2020

Catalysts

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“…Os óxidos de cobre são materiais promissores para aplicações em transformações catalíticas de substâncias orgânicas, eletrotrocatálise e fotocatálise, principalmente devido ao seu alto potencial redox, baixa toxicidade e baixo custo. 15 Catalisadores a base de cobre são muito empregados na hidrogenação seletiva da ligação C-O presente em ésteres, ácidos carboxílicos, éteres, furfural e CO 2 . 15 No entanto, não há um consenso acerca do mecanismo de reação, especialmente com relação ao papel desempenhado pelas espécies de cobre.…”

Section: Figura 2 Etapas Do Beneficiamento Do Minério De Cobre Sulfeunclassified

“…15 Catalisadores a base de cobre são muito empregados na hidrogenação seletiva da ligação C-O presente em ésteres, ácidos carboxílicos, éteres, furfural e CO 2 . 15 No entanto, não há um consenso acerca do mecanismo de reação, especialmente com relação ao papel desempenhado pelas espécies de cobre. Uma das hipóteses sugere que apenas Cu 0 ou Cu(I) são os sítios ativos, outra sugere que ocorre uma contribuição sinérgica entre as duas espécies de cobre.…”

Section: Figura 2 Etapas Do Beneficiamento Do Minério De Cobre Sulfeunclassified

“…16,17 Os óxidos de cobre são largamente empregados como catalisadores em reações de remediação ambiental, incluindo redução catalítica de NO x em amônia, combustão catalítica de compostos orgânicos voláteis, oxidação de CO, degradação de poluentes orgânicos e oxidação catalítica de fuligem. 15 Espécies de cobre (Cu 0 , Cu(I) e Cu(II)) associadas ao dióxido de titânio são as mais empregadas como cocatalisadores na conversão fotocatalítica de CO 2 em combustíveis solares como CO, CH 4 , CH 3 OH, HCHO, HCOOH e C 2 H 5 OH. [18][19][20][21][22][23] As espécies de cobre no fotocatalisador podem estar presentes de diferentes formas: como dopante por substituição de alguns Ti(IV) por Cu(II) ou por Cu(I), ou na forma de heteroestruturas de TiO 2 com Cu 2 O, CuO ou Cu 0 .…”

Section: Figura 2 Etapas Do Beneficiamento Do Minério De Cobre Sulfeunclassified

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Cobre: Produção Industrial E Aplicações

et al. 2019

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Recebido em 13/06/2019; aceito em 22/08/2019; publicado na web em 13/11/2019 COPPER: INDUSTRIAL PRODUCTION AND APPLICATIONS. This article is dedicated to element copper in honor to International Year of the Periodic Table celebrated in 2019. Copper is one of the oldest discovered chemical elements and manipulated by human being. In this sense, aspects about the element copper and its importance in different areas are described, from its mineral exploration through its processing and applications. Inorganic aspects such as structure of copper compounds and their main properties are presented as well the importance of this element in biological systems and organic reactions is explored, showing how essential copper is for life and society.

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