Homogeneous Catalysis for Sustainable Energy: Hydrogen and Methanol Economies, Fuels from Biomass, and Related Topics

Chemical Reviews, Journal Year: 2021, Volume and Issue: 122(1), P. 385 - 441

Published: Nov. 2, 2021

As the world pledges to significantly cut carbon emissions, demand for sustainable and clean energy has now become more important than ever. This includes both production storage of carriers, a majority which involve catalytic reactions. article reviews recent developments homogeneous catalysts in emerging applications energy. The most focus been on hydrogen as several efficient have reported recently (de)hydrogenative transformations promising economy. Another direction that extensively covered this review is methanol Homogeneous investigated from CO

Language: Английский

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Green Carbon Science: Efficient Carbon Resource Processing, Utilization, and Recycling towards Carbon Neutrality

Angewandte Chemie International Edition, Journal Year: 2021, Volume and Issue: 61(15)

Published: Dec. 17, 2021

Green carbon science is defined as the "study and optimization of transformation carbon-containing compounds relevant processes involved in entire cycle from resource processing, energy utilization, CO2 fixation, recycling to utilize resources efficiently minimize net emission."[1] related closely neutrality, fields have developed quickly last decade. In this Minireview, we propose concept index, recent progress petroleum refining, production liquid fuels, chemicals, materials using coal, methane, , biomass, waste plastics highlighted combination with green science. An outlook for these important provided final section.

Language: Английский

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Metal Sites in Zeolites: Synthesis, Characterization, and Catalysis

Chemical Reviews, Journal Year: 2022, Volume and Issue: 123(9), P. 6039 - 6106

Published: Sept. 1, 2022

Zeolites with ordered microporous systems, distinct framework topologies, good spatial nanoconfinement effects, and superior (hydro)thermal stability are an ideal scaffold for planting diverse active metal species, including single sites, clusters, nanoparticles in the framework-associated sites extra-framework positions, thus affording metal-in-zeolite catalysts outstanding activity, unique shape selectivity, enhanced recyclability processes of Brønsted acid-, Lewis metal-catalyzed reactions. Especially, thanks to advances zeolite synthesis characterization techniques recent years, zeolite-confined (denoted as metal@zeolite composites) have experienced rapid development heterogeneous catalysis, owing combination merits both intrinsic properties. In this review, we will present developments strategies incorporating tailoring zeolites advanced identification location, distribution, coordination environment species zeolites. Furthermore, catalytic applications demonstrated, emphasis on composites hydrogenation, dehydrogenation, oxidation Finally, point out current challenges future perspectives precise synthesis, atomic level identification, practical application catalyst system.

Language: Английский

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Towards the development of the emerging process of CO₂heterogenous hydrogenation into high-value unsaturated heavy hydrocarbons

Chemical Society Reviews, Journal Year: 2021, Volume and Issue: 50(19), P. 10764 - 10805

Published: Jan. 1, 2021

This review covers recent developments in the synthesis of α-olefins and aromatics from CO 2 hydrogenation via direct indirect routes.

Language: Английский

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Advances in Catalytic Applications of Zeolite‐Supported Metal Catalysts

Advanced Materials, Journal Year: 2021, Volume and Issue: 33(51)

Published: Oct. 5, 2021

Abstract Zeolites possessing large specific surface areas, ordered micropores, and adjustable acidity/basicity have emerged as ideal supports to immobilize metal species with small sizes high dispersities. In recent years, the zeolite‐supported catalysts been widely used in diverse catalytic processes, showing excellent activity, superior thermal/hydrothermal stability, unique shape‐selectivity. this review, a comprehensive summary of state‐of‐the‐art achievements applications are presented for important heterogeneous processes last five mainly including 1) hydrogenation reactions (e.g., CO/CO 2 hydrogenation, unsaturated compounds, nitrogenous compounds); 2) dehydrogenation alkane chemical hydrogen storage materials); 3) oxidation CO oxidation, methane alkene epoxidation); 4) other hydroisomerization reaction selective reduction NO x ammonia reaction). Finally, some current limitations future perspectives on challenge opportunity subject pointed out. It is believed that review will inspire more innovative research synthesis catalysis promote their developments meet emerging demands practical applications.

Language: Английский

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Cu-Based Nanocatalysts for CO₂ Hydrogenation to Methanol

Energy & Fuels, Journal Year: 2021, Volume and Issue: 35(10), P. 8558 - 8584

Published: May 5, 2021

Production of methanol from CO2 hydrogenation is a highly attractive method toward recycling greenhouse gases to form clean, high-value commodity chemicals and fuels, with the aim resolving both environmental issues energy shortages. This review provides an overview Cu-based nanocatalyst development for that has been achieved recently in terms support design, promoter addition, structural improvements, as this line research become very popular. In reaction mechanisms experimental work density functional theory calculations are summarized showcase key factors influencing reaction. The overall yield can be tailored by metal active sites metal–support interaction, well function promoters. technical application challenges production also proposed future directions.

Language: Английский

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Dual-site activation of H2 over Cu/ZnAl2O4 boosting CO2 hydrogenation to methanol

Applied Catalysis B Environment and Energy, Journal Year: 2022, Volume and Issue: 322, P. 122137 - 122137

Published: Nov. 1, 2022

Language: Английский

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Hydrogenation of Carboxylic Acids, Esters, and Related Compounds over Heterogeneous Catalysts: A Step toward Sustainable and Carbon-Neutral Processes

Chemical Reviews, Journal Year: 2023, Volume and Issue: 123(3), P. 1103 - 1165

Published: Jan. 5, 2023

The catalytic hydrogenation of esters and carboxylic acids represents a fundamental important class organic transformations, which is widely applied in energy, environmental, agricultural, pharmaceutical industries. Due to the low reactivity carbonyl group esters, this type reaction is, however, rather challenging. Hence, specifically active catalysts are required achieve satisfactory yield. Nevertheless, recent years, remarkable progress has been made on development for reaction, especially heterogeneous catalysts, generally dominating industry. Here review, we discuss breakthroughs as well milestone achievements industrially utilizing catalysts. In addition, related hydrogenations that considered importance cleaner energy technologies circular chemical industry will be discussed detail. Special attention paid insights into structure–activity relationship, help readers develop rational design strategies synthesis more efficient

Language: Английский

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Challenges and recent advancements in the transformation of CO₂into carboxylic acids: straightforward assembly with homogeneous 3d metals

Chemical Society Reviews, Journal Year: 2022, Volume and Issue: 51(22), P. 9371 - 9423

Published: Jan. 1, 2022

The transformation of carbon dioxide (CO2) into useful chemicals, advanced materials, and energy is a long-standing challenge in both fundamental science industry. In recent years, utilization CO2 the presence inexpensive non-negligible environmentally friendly 3d metal-based catalysts (Fe, Mn, Co, Ni, Cu Ti) has become one most attractive topics. Particular attention been given to synthesis carboxylic acids their derivatives since these molecules serve as key intermediates chemical, fertilizer, pharmaceutical sectors. Considering numerous challenges linked with reactivity, number research groups have recently focused on by following thermo-, photo-, electrochemical strategies. However, facile access such remains vital catalysis organic owing high stability molecule which atom highest oxidation state. Another hurdle solve selectivity issue caused reaction different catalytic systems reactive functional group-containing molecules. Despite all issues, wide range transition applied this direction, but cheaper price inherent metals are at forefront domain. these, we aim summarise advances (over past five years) 3d-metal complexes reactivity towards activation for acids. Furthermore, discuss current trends, knowledge gaps, invigorating perspectives future advances.

Language: Английский

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Dinuclear metal synergistic catalysis for energy conversion

Chemical Society Reviews, Journal Year: 2023, Volume and Issue: 52(9), P. 3170 - 3214

Published: Jan. 1, 2023

An exclusive review focusing on catalysts exhibiting the dinuclear metal synergistic catalysis (DMSC) effect for energy conversion reactions is presented.

Language: Английский

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