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非均相催化 CO2 與烴類協(xié)同催化轉(zhuǎn)化的最新進(jìn)展

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Abstract:The escalating frequency of extreme weather events globallyhas necessitated immediate action to mitigate the impacts and threats posed by excessivegreenhousegasemissions, particularlycarbondioxide (CO2) Consequently, reducing CO2 emissions has become imperative,with decarbonization techniques being extensively investigated worldwide to achieve net-zero emissions. From an energy perspective, CO2 represents an abundant and low-cost carbon resource that can be converted into high-value chemical products through reactions withhydrocarbons, includingalkanes, alkenes,aromatichydrocarbons,and polyolefins. Through hydrogen transfer, CO2 can be reduced to CO,accompanied by the formation of H2O CO2 and hydrocarbons can also be transformed into syngas (CO and H2 )viadry reforming.Furthermore, CO2 can be incorporated into hydrocarbon molecules,resulting in carbon chain growth, such as the production of alcohols,carboxylic acids,and aromatics. However,due to the thermodynamic stabilityand kinetic inertness of CO2 ,as well as the high bond energy and low polarity of hydrocarbon C-H bonds,the conversion of CO2 and hydrocarbons remains a highly challengingand demanding strategic objective.This review focuses on the synergistic catalytic valorization of CO2 and hydrocarbons using heterogeneous catalysts, summarizing recent advancements in coupling CO2 with various hydrocarbons.Italsoexamines relevant kinetic models,including Langmuir-Hinshelwoodand Eley-Rideal mechanisms.For catalystdesign,bifunctionalcatalysts with distinct active sitescan independentlyactivate these two reactivemolecules,andthe modulationofacid-base properties,oxygenvacancies,andinterfacial interactionsrepresents aneffective strategy to optimize catalytic performance. Finally, future directions for advancing CO2 -hydrocarboncoutilization technologies are proposed,along with recommendations for low-carbon development strategies.

Key Words: CO2 ;Hydrocarbons; Synergistic catalytic valorization; Value-added chemicals; Heterogeneous catalysis

摘要:在當(dāng)今時代,全球極端天氣事件呈現(xiàn)出愈發(fā)頻繁的態(tài)勢,過量溫室氣體排放是極為關(guān)鍵的誘因。(剩余45130字)

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