Cerium oxide-based catalysts made by template-precipitation for the dimethyl carbonate synthesis from Carbon dioxide and methanol

Zhang, Meng; Xiao, Min; Wang, Shuanjin; Han, Dongmei; Lü, Yixin; Ye, Meng

doi:10.1016/j.jclepro.2014.09.024

Cited by 55 publications

(33 citation statements)

References 40 publications

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“…The modification of Ca, Ti, or Zn on CeO 2 was also conducted for higher catalytic performance . CeO 2 ‐based catalysts containing Molecular Sieve 4 A showed higher performance in the synthesis of dimethylcarbonate . At the same time, ZrO 2 ‐based catalysts have been also reported using ZrO 2 nanocrystals, ZrO 2 +Molecular Sieve, Fe−Zr mixed oxides and so on, and the studies on CeO 2 ‐based catalysts are carried out more actively than those on ZrO 2 ‐based catalysts, probably because CeO 2 shows high activity than ZrO 2 in the related reactions generally.…”

Section: Heterogeneous Catalyst For the Formation Of Organic Carbonatmentioning

confidence: 99%

CO₂ Conversion with Alcohols and Amines into Carbonates, Ureas, and Carbamates over CeO₂ Catalyst in the Presence and Absence of 2‐Cyanopyridine

Tomishige

Tamura

Nakagawa

2018

The Chemical Record

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Recent progress on the CeO2 catalyzed synthesis of organic carbonates, ureas, and carbamates from CO2+alcohols, CO2+amines, and CO2+alcohols+amines, respectively, is reviewed. The reactions of CO2 with alcohols and amines are reversible ones and the degree of the equilibrium limitation of the synthesis reactions is strongly dependent on the properties of alcohols and amines as the substrates. When the equilibrium limitation of the reaction is serious, the equilibrium conversion of the substrate and the yield of the target product is very low, therefore, the shift of the equilibrium reaction to the product side by the removal of H2O is essential in order to get the target product in high yield. One of the effective method of the H2O removal from the related reaction systems is the combination with the hydration of 2‐cyanopyridine to 2‐picolinamide, which is also catalyzed by CeO2.

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Section: Heterogeneous Catalyst For the Formation Of Organic Carbonatmentioning

confidence: 99%

CO₂ Conversion with Alcohols and Amines into Carbonates, Ureas, and Carbamates over CeO₂ Catalyst in the Presence and Absence of 2‐Cyanopyridine

Tomishige

Tamura

Nakagawa

2018

The Chemical Record

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“…The multifunctional inorganic material TEG anchored and dispersed the Cu-Ni alloy leading to a higher surface area of active metals. Cerium oxide with supporting materials made by template-precipitation to enhance the catalytic performance based on the cerium metal was reported as well [91]. The catalyst characterization revealed that the relationship between acid-base sites and the composite catalyst is key for the catalytic activity.…”

Section: Metal-based Supported Materialsmentioning

confidence: 99%

Progress on Catalyst Development for Direct Synthesis of Dimethyl Carbonate from CO2 and Methanol

et al. 2019

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The reaction of carbon dioxide transformation is tremendously interesting in research societies from the viewpoint of carbon resource and also to resolve the environmental problem of carbon dioxide emission. Carbon dioxide (CO 2) is a suitable C1 feedstock which can be converted into a number of valuable fine chemicals. The utilization of CO 2 not only helps to reduce the carbon emission but should also lead to economic benefits, if CO 2 is converted into chemicals for which there are significant demands or have a high added value. The reaction of CO 2 with methanol is one of the pathways to directly synthesize dimethyl carbonate. However, the catalyst is a key factor in the reaction development. Herein, in this review, the focus is made on materials for the catalyzed reaction for the direct synthesis of dimethyl carbonate (DMC) from CO 2 and methanol. The developed catalysts (homogeneous and heterogeneous catalysts) used so far are discussed, together with the respective operating conditions to obtain the optimum catalyst performance. Interesting ideas to allow the direct synthesis of carbonate products from CO 2 with methanol using developed novel catalysts with high performance and efficiency for the economy are offered in this review.

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“…However, the issue of low conversion can be solved by adding dehydrating agent [33][34][35]. The dehydrating agents can remove water in situ [36][37][38] and continuously move the chemical equilibrium forward, which greatly increases the conversion.…”

Section: Introductionmentioning

confidence: 99%

Diethyl Carbonate Synthesis from CO2, Ethanol and Propylene Oxide in the presence of Dehydrating Agent of Ethylene over the novel catalysts of Supported Ni-Cu@Na3PW12O40 and Mixed Ni-Cu@Na3PW12O40

Zhang¹

2020

Preprint

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Excessive CO2 emissions and alternative energy fuels are two major difficult issues. The utilization of CO2 into fine chemicals is an optimal route. Diethyl carbonate (DEC) is an extremely versatile chemical intermediate. DEC is used in gasoline, pharmaceutical, chemical and other fields. DEC synthesis from CO2 and ethanol is a typical green synthetic route. Ni-Cu@Na3PW12O40 catalysts were synthesized by two novel methods of supported and mixed. The catalyst prepared by mixed method showed nice catalytic performance. It was confirmed that water removal was the key to improving conversion efficiency. In the presence of dehydrating agent of ethylene, ethanol conversion increased from ca. 3% to ca. 40%. Propylene oxide (PO) was participated in the reaction and ethanol conversion continued to reach to ca.90% while DEC selectivity dropped by half. Under optimal conditions, our Ni-Cu@Na3PW12O40 catalyst effectively solved the two major issues above.

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Cerium oxide-based catalysts made by template-precipitation for the dimethyl carbonate synthesis from Carbon dioxide and methanol

Cited by 55 publications

References 40 publications

CO₂ Conversion with Alcohols and Amines into Carbonates, Ureas, and Carbamates over CeO₂ Catalyst in the Presence and Absence of 2‐Cyanopyridine

CO₂ Conversion with Alcohols and Amines into Carbonates, Ureas, and Carbamates over CeO₂ Catalyst in the Presence and Absence of 2‐Cyanopyridine

Progress on Catalyst Development for Direct Synthesis of Dimethyl Carbonate from CO2 and Methanol

Diethyl Carbonate Synthesis from CO<sub>2</sub>, Ethanol and Propylene Oxide in the presence of Dehydrating Agent of Ethylene over the novel catalysts of Supported Ni-Cu@Na<sub>3</sub>PW<sub>12</sub>O<sub>40</sub> and Mixed Ni-Cu@Na<sub>3</sub>PW<sub>12</sub>O<sub>40</sub>

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Cerium oxide-based catalysts made by template-precipitation for the dimethyl carbonate synthesis from Carbon dioxide and methanol

Cited by 55 publications

References 40 publications

CO2 Conversion with Alcohols and Amines into Carbonates, Ureas, and Carbamates over CeO2 Catalyst in the Presence and Absence of 2‐Cyanopyridine

CO2 Conversion with Alcohols and Amines into Carbonates, Ureas, and Carbamates over CeO2 Catalyst in the Presence and Absence of 2‐Cyanopyridine

Progress on Catalyst Development for Direct Synthesis of Dimethyl Carbonate from CO2 and Methanol

Diethyl Carbonate Synthesis from CO<sub>2</sub>, Ethanol and Propylene Oxide in the presence of Dehydrating Agent of Ethylene over the novel catalysts of Supported Ni-Cu@Na<sub>3</sub>PW<sub>12</sub>O<sub>40</sub> and Mixed Ni-Cu@Na<sub>3</sub>PW<sub>12</sub>O<sub>40</sub>

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CO₂ Conversion with Alcohols and Amines into Carbonates, Ureas, and Carbamates over CeO₂ Catalyst in the Presence and Absence of 2‐Cyanopyridine

CO₂ Conversion with Alcohols and Amines into Carbonates, Ureas, and Carbamates over CeO₂ Catalyst in the Presence and Absence of 2‐Cyanopyridine