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Article
Energy & Fuels
Runze Jin et al.
Summary: By adding CO2 as a receptor to consume hydrogen in the methanol aromatization reaction, the selectivity of aromatics can be improved. This provides a new strategy for methanol to aromatics reaction, which has a positive impact on solving energy and environmental problems.
Article
Chemistry, Multidisciplinary
Petr Sot et al.
Summary: This research investigates the influence of the interface in ZnO-ZrO2 catalysts for the selective hydrogenation of CO2 to CH3OH. The structure of the catalyst was perturbed using two different synthetic methods and the resulting materials were analyzed using spectroscopic techniques. The study found that oxidic Zn particles co-existing with ZrO2 showed superior selectivity compared to other forms of Zn. Further experiments confirmed the importance of the ZnO-ZrO2 interface in the selective production of CH3OH.
HELVETICA CHIMICA ACTA
(2022)
Article
Chemistry, Multidisciplinary
Xin-Yu Meng et al.
Summary: This review highlights the recent progress on In2O3-based composite catalysts for promoting CO2 hydrogenation, discussing strategies for enhancing their performance, analyzing the hydrogenation mechanisms of CO2 on In2O3-based composite catalysts, and presenting future research opportunities and challenges.
JOURNAL OF CO2 UTILIZATION
(2022)
Article
Chemistry, Physical
Kyungho Lee et al.
Summary: In this study, an atomic Pd-promoted ZnZrOx solid solution catalyst (Pd-ZnZrOx) was designed and synthesized, showing excellent activity and stability in the conversion of CO2 to methanol.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Physical
Pan Tian et al.
Summary: In this study, a new method for preparing hollow SAPO-34 with hierarchical porous structures (referred to as bio-SAPO-34) using rice husk as a sole silicon source and porous template was presented. The bio-SAPO-34 exhibited high olefin selectivity in the methanol-to-olefins reaction. Bifunctional catalysts consisting of ZnZrOx and bio-SAPO-34 were fabricated for the direct conversion of CO2 to light olefins.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Physical
Jieqiong Ding et al.
Summary: In this study, ZnO-ZrO2 composite oxides were prepared via co-precipitation method and their structural evolution and catalytic performance in CO2 hydrogenation reaction were comprehensively studied. The phase structures of the composite oxides evolved with increasing Zr content, leading to different nucleation and growth behaviors of Zn-doped ZrO2 solid solution nanoparticles compared to ZnO nanoparticles. The composite oxides exhibited higher catalytic activity than pure ZnO, t-ZrO2, and m-ZrO2, with different selectivity towards CH3OH and CO production. The key intermediates for CO2 hydrogenation to methanol and CO were identified as bidentate formate species and carbonates/bicarbonates species, respectively.
APPLIED SURFACE SCIENCE
(2022)
Article
Engineering, Environmental
Sreetama Ghosh et al.
Summary: This study proposes a kinetic model for predicting the trends of direct CO2 hydrogenation to hydrocarbon products over the In2O3/HZSM-5 catalyst. The accuracy of the model is verified through experiments.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Thermodynamics
Ruxing Gao et al.
Summary: Recently, PtL and PtG technologies have been considered as promising pathways for renewable energy storage and CO2 mitigation. In this study, two hybrid processes integrating F-T synthesis and olefin oligomerization were proposed to enhance the production of value-added liquid hydrocarbons. Process modeling and case study showed that both processes are efficient for converting CO2 into high-value hydrocarbons.
Article
Chemistry, Applied
Ruolan Xu et al.
Summary: The study successfully produced metal-doping mesoporous graphite-like catalysts by utilizing metal chlorides to modulate biochar, which showed enhanced selectivity towards hydrocarbons in catalytic bio-oil synthesis, as well as increased hydrogen and syngas yields in the gas phase.
FUEL PROCESSING TECHNOLOGY
(2022)
Article
Chemistry, Physical
Remco Dalebout et al.
Summary: Despite the ongoing debate on the nature of Cu-ZnOx synergy and the active Zn-based promoter species in methanol synthesis, this study uses weakly interacting graphitic carbon supports to investigate the active speciation of Zn promoter phase in contact with Cu nanoparticles under working conditions. The results reveal that most of the added Zn is in a zerovalent oxidation state during methanol synthesis conditions, and the Zn diffuses into the Cu nanoparticles. This study provides insights into the speciation of relevant Zn promoter species and highlights the importance of using weakly interacting graphitic supports for studying the nature of promoter species.
Article
Energy & Fuels
Wenyu Zhang et al.
Summary: This study designed a new bifunctional catalyst with excellent performance in the conversion of CO2 into light olefins. Various characterization results suggest that the structure of the catalyst is related to its performance, and the addition of proper amount of HF can improve the reaction efficiency.
Article
Chemistry, Applied
A. Portillo et al.
Summary: Different acid catalysts, such as SAPO-34, have been tested in the direct synthesis of light olefins. The presence of strongly acidic sites in SAPO-34 favors the reaction mechanism and shape selectivity, resulting in higher olefins selectivity. However, the catalysts undergo deactivation due to coke deposition, and the regeneration of SAPO-34 requires the removal of soft coke and combustion of hard coke.
FUEL PROCESSING TECHNOLOGY
(2022)
Article
Engineering, Chemical
Shujia Guo et al.
Summary: The conversion of CO and CO2 into valuable liquid fuels and chemicals through hydrogenation has attracted significant interest. This study evaluates the feasibility, limit, and suitable conditions for these reactions through thermodynamic considerations. Results show that the hydrogenation of CO/CO2 to alcohols, light olefins, and aromatics is thermodynamically viable under appropriate conditions. Although current conversion processes may be restricted by kinetic factors, it is important to ensure that the reactions are conducted under thermodynamically feasible conditions. These results help determine the suitable operation region for CO/CO2 hydrogenation and provide directions for optimizing catalysts and processes.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2022)
Article
Chemistry, Physical
Yahya Gambo et al.
Summary: This article discusses the importance of innovative tandem catalyst design and provides a comprehensive account of recent advances and insights related to direct CO2 hydrogenation to light olefins. The prospects of core-shell configuration as a highly flexible tandem catalyst design strategy are highlighted.
APPLIED CATALYSIS A-GENERAL
(2022)
Review
Agricultural Engineering
Atefeh Akbarian et al.
Summary: This paper provides an overview of the importance of utilizing biomass gasification for the production of sustainable biofuels and environmental protection. Starting from the structure of LCB and the gasification process, it discusses the role of gasification in the circular bio-economy and highlights the current challenges and future perspectives.
BIORESOURCE TECHNOLOGY
(2022)
Article
Energy & Fuels
L. N. Vosmerikova et al.
Summary: Zinc-isomorphously substituted HZSM-5 catalyst (Zn/HZSM-5(iso)) exhibits high selectivity and efficiency in the conversion of a mixture of DME + syngas.
Review
Chemistry, Applied
A. Ateka et al.
Summary: The direct synthesis of dimethyl ether (DME) on bifunctional catalysts is attractive for valorizing CO2 and syngas from biomass gasification. Performing methanol synthesis and its dehydration in the same reactor favors the formation of DME from CO2 and CO2 co-fed with syngas. Catalyst performance has been improved by modifying the composition and properties to enhance activity, selectivity, and minimize deactivation. The core-shell configuration of the bifunctional catalyst improves stability by separating the environments of methanol synthesis and its conversion into DME.
FUEL PROCESSING TECHNOLOGY
(2022)
Article
Chemistry, Physical
Yan Wang et al.
Summary: This study investigates the activation process of CuZnO/SiO2 catalyst through adjusting the reduction gas velocity. The results show that different activation processes reconstruct the physic-chemical properties of the catalyst, significantly influencing its catalytic activity.
JOURNAL OF CATALYSIS
(2022)
Article
Environmental Sciences
A. Portillo et al.
Summary: The effect of ZrO2 content on the performance of In2O3-ZrO2 catalyst in the hydrogenation of CO2/CO mixtures has been studied. The results show that controlling the Zr/In ratio can improve the conversion of CO2 and COX, enhance the selectivity of oxygenates, and prevent catalyst sintering. By using In2O3-ZrO2/SAPO-34 tandem catalysts, the conversion of COx can be increased by nearly 5 times, leading to a higher yield of olefins.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2022)
Article
Chemistry, Physical
Yanan Xu et al.
Summary: In this study, a highly efficient and stable catalyst (Cu/ZnOx/ZrO2) for CO2 hydrogenation to methanol was prepared using co-precipitation method with UiO-66 as a structural template. Cu/Zn was effectively combined and encapsulated in the channels of UiO-66, preventing the aggregation of Cu nanoparticles and phase separation of Cu and ZnO. The ZrO2 support derived from UiO-66 enhanced the interaction between the support and Cu/Zn, leading to significantly improved catalytic performance. The catalyst exhibited high space-time yield and good stability, outperforming commercial catalysts and most previously reported catalysts.
JOURNAL OF CATALYSIS
(2022)
Article
Chemistry, Multidisciplinary
Eunji Yoo et al.
Summary: This paper proposes a simpler approach to calculate and evaluate the carbon intensity (CI) of CCU products (e-fuel), avoiding complex calculations and allocating the burden of CO2 capturing process to CO2 feedstock supplying the CCU production process.
JOURNAL OF CO2 UTILIZATION
(2022)
Article
Chemistry, Applied
Zixuan Zhou et al.
Summary: This study summarizes the progress in the rational design and construction of efficient catalysts for CO2 hydrogenation to produce chemicals and liquid fuels. The structure-performance relationship, nature of the active sites, and reaction mechanisms of these catalysts are explored using computational and experimental evidence. The results of this study will promote further fundamental research and industrial applications in the field.
CHINESE JOURNAL OF CATALYSIS
(2022)
Article
Engineering, Environmental
Guanfeng Tian et al.
Summary: The Pd/MnO/In2O3 catalyst prepared by an in-situ reduction method showed high catalytic activity for CO2 hydrogenation to methanol, with the methanol space-time yield of 1 wt% Pd/MnO/In2O3 being 4.8 times higher than that of MnO/In2O3. The catalyst also maintained a methanol selectivity above 70% at temperatures below 280°C. The in-situ reduction method proved to be an effective route for preparing Pd/MnO/In2O3 catalyst for CO2 hydrogenation to methanol.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Chemistry, Applied
Jing Wang et al.
Summary: Highly dispersed Rh/In2O3 catalyst prepared by deposition-precipitation method shows excellent activity and selectivity for CO2 hydrogenation to methanol, promoting the reaction even at lower temperatures.
Article
Chemistry, Physical
Zhe Han et al.
Summary: The methanol selectivity of In2O3 catalyst can be significantly enhanced by introducing a small amount of Pt, leading to a higher efficiency in the process of CO2 hydrogenation to methanol.
JOURNAL OF CATALYSIS
(2021)
Article
Chemistry, Physical
Hui Li et al.
Summary: The Gd/HZSM-5 catalysts synthesized by incipient-wetness impregnation method exhibit high selectivity and anticoking ability in the methanol to hydrocarbons reaction. As the gadolinium content increases, the catalysts show higher acid density, improved product selectivity, and lower carbon deposition rates.
Article
Chemistry, Physical
Niels D. Nielsen et al.
Summary: Experiments showed that CO2 is more favorable for methanol synthesis on Cu catalyst compared to CO. At low conversion conditions, CO has inhibiting effects, but as conversion is increased, a beneficial role of CO is observed. CO's beneficial role mainly comes from its promotion of the water-gas shift reaction, which helps to reduce the inhibitory effect of water on Cu-based catalysts.
JOURNAL OF CATALYSIS
(2021)
Article
Engineering, Chemical
Ander Portillo et al.
Summary: The study focused on the conditions for promoting the joint conversion of CO2 and syngas in the direct synthesis of light olefins, as well as the stability of the InZr/S34 catalyst. Suitable conditions were identified for the process, showing high olefin yield and selectivity under specific operating parameters. The low pressure and low H2/COx ratio in the process could potentially facilitate the integration of sustainable H2 production with PEM electrolyzers and the covalorization of CO2 and syngas obtained from biomass.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2021)
Review
Chemistry, Applied
Shunan Zhang et al.
Summary: The conversion of CO2 with hydrogen into value-added chemicals is a promising approach to addressing global climate change. Current research focuses on the direct hydrogenation of CO2 to produce methanol and higher alcohols, with a need for further advancements in catalyst design and mechanistic investigation.
TOPICS IN CATALYSIS
(2021)
Article
Chemistry, Physical
Jianyang Wang et al.
Summary: This review discusses recent advances in In2O3-based catalysts for CO2 hydrogenation, focusing on strategies to improve catalytic performance by facilitating active site formation, activating CO2 and H-2 for methanol synthesis, and stabilizing key intermediates. Mechanistic insights, including pathways of CO2 conversion and strategies for selective CO2 hydrogenation to methanol, are discussed, as well as future directions for development in this area.
Article
Chemistry, Applied
Anton Larsson et al.
Summary: Steam gasification technology converts solid fuels into medium calorific gas for various applications. Dual fluidized bed gasification is commonly used in Europe, with key control of gas quality lying in adjusting active ash components. Monitoring CH4 concentration in the produced gas is a convenient method for assessing gas quality.
FUEL PROCESSING TECHNOLOGY
(2021)
Article
Chemistry, Physical
Irene Pinilla-Herrero et al.
Summary: The introduction of Zn improves catalyst lifetime and shifts the reaction pathway from alkane formation to molecular hydrogen formation at high pressure.
JOURNAL OF CATALYSIS
(2021)
Review
Chemistry, Multidisciplinary
Tesfalem Aregawi Atsbha et al.
Summary: Replacing fossil fuels with renewable energy sources plays a fundamental role in creating a sustainable and carbon-free economy. Recent attention has been focused on the catalytic hydrogenation of CO2, emphasizing the development of efficient, selective, and stable catalysts. This review summarizes the current developments and improvements in catalytic conversion of CO2 towards the synthesis of CO, methanol, and hydrocarbons.
JOURNAL OF CO2 UTILIZATION
(2021)
Review
Chemistry, Physical
Barbara Pawelec et al.
Summary: There is a high global demand for light olefins, which can be produced via various methods including catalytic hydrogenation of CO2. Recent advancements in nanomaterial synthesis and active phase dispersion offer new prospects for light olefins production. Research indicates that the design of new catalysts for direct production of light olefins from CO2 shows promising potential.
Article
Chemistry, Physical
Thaylan P. Araujo et al.
Summary: This study evaluated the sensitivity of In2O3 catalysts to CO, finding a decrease in methanol productivity for most catalysts except one. Controlled formation of oxygen vacancies and resistance to sintering were identified as key factors for activation, while a combination of CO/H2O-induced sintering and CO inhibition caused performance loss. Assessment with mixed CO2-CO feeds is crucial for designing industrially viable catalysts for sustainable methanol production.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Chemistry, Multidisciplinary
Shanfan Lin et al.
Summary: The study reveals the complete theoretical picture of the autocatalytic reaction network occurring on HZSM-5 zeolite, which facilitates catalyst design and process control for methanol-to-hydrocarbons technology.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2021)
Review
Thermodynamics
Samrand Saeidi et al.
Summary: This paper discusses three promising processes for CO2 transformation using renewable H-2, and investigates influential factors affecting process efficiencies, as well as comparing different reactor configurations to assess the best one. A corrugated-wall dual-type membrane reactor is proposed as an emerging alternative for CO2 hydrogenation to value-added products.
PROGRESS IN ENERGY AND COMBUSTION SCIENCE
(2021)
Article
Chemistry, Physical
Jiadong Zhu et al.
Summary: This study investigates the promotion of Ni on In2O3 and optimization of NiO-In2O3 catalyst for CO2 hydrogenation. Ni facilitates the synthesis of CH3OH by reducing the dissociation barrier of H2, leading to reduced activation energy for CO2 hydrogenation. The interaction between Ni cations and In2O3 at low NiO loading enhances the surface density of oxygen vacancy, promoting the hydrogenation of adsorbed CO2 on O-v.
Article
Chemistry, Physical
Alvaro Posada-Borbon et al.
Summary: The study demonstrates the potential of methanol synthesis through catalytic recycling of CO2 for fuel and chemical production. The predicted temperature-dependent turnover frequencies, selectivities, and reaction orders align well with experimental data, highlighting the importance of stabilizing hydrogen adsorption for catalyst performance.
Article
Chemistry, Physical
Pierfrancesco Ticali et al.
Summary: The combination of Zn-doped ZrO2 catalysts with zeolite/zeotype catalysts resulted in efficient CO2 hydrogenation to methanol and its conversion to hydrocarbons. The ZrZnOX sample with 30% Zn showed the best performance, especially when combined with ZSM-5, exhibiting high methanol selectivity and stable conversion at lower temperatures. Various characterization techniques confirmed the tetragonal solid solution formation in ZrZnOX and revealed that the catalyst structure and composition were not affected by the reaction, with initial performances fully restored even after regeneration.
CATALYSIS SCIENCE & TECHNOLOGY
(2021)
Review
Chemistry, Multidisciplinary
Xiao Jiang et al.
Article
Chemistry, Applied
Xiaofang Su et al.
FUEL PROCESSING TECHNOLOGY
(2020)
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Matthias S. Frei et al.
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(2020)
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ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY
(2019)
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INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
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(2018)
Review
Green & Sustainable Science & Technology
Gartzen Lopez et al.
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(2017)
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