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      Enzymatic conversion of carbon dioxide

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          Abstract

          Recent advances in the enzymatic conversion of CO 2 are reviewed and highlighted.

          Abstract

          With the continuous increase in fossil fuels consumption and the rapid growth of atmospheric CO 2 concentration, the harmonious state between human and nature faces severe challenges. Exploring green and sustainable energy resources and devising efficient methods for CO 2 capture, sequestration and utilization are urgently required. Converting CO 2 into fuels/chemicals/materials as an indispensable element for CO 2 capture, sequestration and utilization may offer a win–win strategy to both decrease the CO 2 concentration and achieve the efficient exploitation of carbon resources. Among the current major methods (including chemical, photochemical, electrochemical and enzymatic methods), the enzymatic method, which is inspired by the CO 2 metabolic process in cells, offers a green and potent alternative for efficient CO 2 conversion due to its superior stereo-specificity and region/chemo-selectivity. Thus, in this tutorial review, we firstly provide a brief background about enzymatic conversion for CO 2 capture, sequestration and utilization. Next, we depict six major routes of the CO 2 metabolic process in cells, which are taken as the inspiration source for the construction of enzymatic systems in vitro. Next, we focus on the state-of-the-art routes for the catalytic conversion of CO 2 by a single enzyme system and by a multienzyme system. Some emerging approaches and materials utilized for constructing single-enzyme/multienzyme systems to enhance the catalytic activity/stability will be highlighted. Finally, a summary about the current advances and the future perspectives of the enzymatic conversion of CO 2 will be presented.

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          Most cited references45

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          Recent advances in catalytic hydrogenation of carbon dioxide.

          Owing to the increasing emissions of carbon dioxide (CO(2)), human life and the ecological environment have been affected by global warming and climate changes. To mitigate the concentration of CO(2) in the atmosphere various strategies have been implemented such as separation, storage, and utilization of CO(2). Although it has been explored for many years, hydrogenation reaction, an important representative among chemical conversions of CO(2), offers challenging opportunities for sustainable development in energy and the environment. Indeed, the hydrogenation of CO(2) not only reduces the increasing CO(2) buildup but also produces fuels and chemicals. In this critical review we discuss recent developments in this area, with emphases on catalytic reactivity, reactor innovation, and reaction mechanism. We also provide an overview regarding the challenges and opportunities for future research in the field (319 references).
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            Frontiers, opportunities, and challenges in biochemical and chemical catalysis of CO2 fixation.

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              Understanding Trends in the Electrocatalytic Activity of Metals and Enzymes for CO2 Reduction to CO.

              We develop a model based on density functional theory calculations to describe trends in catalytic activity for CO2 electroreduction to CO in terms of the adsorption energy of the reaction intermediates, CO and COOH. The model is applied to metal surfaces as well as the active site in the CODH enzymes and shows that the strong scaling between adsorbed CO and adsorbed COOH on metal surfaces is responsible for the persistent overpotential. The active site of the CODH enzyme is not subject to these scaling relations and optimizes the relative binding energies of these adsorbates, allowing for an essentially reversible process with a low overpotential.
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                Author and article information

                Journal
                CSRVBR
                Chemical Society Reviews
                Chem. Soc. Rev.
                Royal Society of Chemistry (RSC)
                0306-0012
                1460-4744
                2015
                2015
                : 44
                : 17
                : 5981-6000
                Affiliations
                [1 ]Key Laboratory for Green Chemical Technology of Ministry of Education
                [2 ]School of Chemical Engineering and Technology
                [3 ]Tianjin University
                [4 ]Tianjin 300072
                [5 ]China
                [6 ]HeBei University of Technology
                [7 ]Tianjin 300130
                Article
                10.1039/C5CS00182J
                26055659
                59032074-d0b6-42a8-803a-619a2632cfb4
                © 2015
                History

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