Low-temperature direct conversion of methane to methanol over carbon materials supported Pd-Au nanoparticles

He, Yingluo; Luan, Chunhui; Fang, Yuan; Feng, Xiaobo; Peng, Xiaobo; Yang, Guohui; Tsubaki, Noritatsu

doi:10.1016/j.cattod.2019.02.043

Cited by 52 publications

(35 citation statements)

References 27 publications

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“…Methane activation chemistry and oxidative coupling of methane remain to date a subject of interest related to the initial methyl radical formation site and the role of surfaceinitiated gas-phase radical reactions [64,[70][71][72][73].…”

Section: Non-faradaic Methane Oxidationmentioning

confidence: 99%

See 1 more Smart Citation

Partial Methane Oxidation in Fuel Cell-Type Reactors for Co-Generation of Energy and Chemicals

Souza¹,

Florio²,

Antolini³

et al. 2022

Preprint

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The conversion of methane into chemicals is of interest to achieve a decarbonized future. Fuel cells are electrochemical devices commonly used to obtain electrical energy, but can be utilized either for chemicals production or both energy and chemicals cogeneration. In this work, the partial oxidation of methane in fuel cells for electricity generation and valuable chemicals production at the same time is reviewed. For this purpose, different types of methane-fed fuel cells, both low temperature fuel cells, such as PEMFCs and AAEMFCs, and high temperature fuel cells, such as SOFCs, have been used. Also if few works have been devoted to this topic, the promising results drive the development of fuel cells using methane as the source for the cogeneration of power and valuable chemicals.

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Section: Non-faradaic Methane Oxidationmentioning

confidence: 99%

“…The Pd-Au/CNTs catalyst showed outstanding methanol productivity and selectivity [111]. Compared with the PdAu/CNTs, Pd-Au supported on functionalized carbon nanotubes (CNTs-n) by a treatment of nitric acid enhances the methanol selectivity, but decreases the methanol productivity [73].…”

Section: Materials For Methane Partial Oxidation Reactionmentioning

confidence: 99%

Partial Methane Oxidation in Fuel Cell-Type Reactors for Co-Generation of Energy and Chemicals

Souza¹,

Florio²,

Antolini³

et al. 2022

Preprint

View full text Add to dashboard Cite

show abstract

“…Hutchings and co-workers have conducted methane oxidation over Au-Pd nanoparticle colloids by depositing them on TiO 2 or ZSM-5 [31,32]. Tsubaki et al have also reported an Au-Pd catalyst supported on carbon materials to convert methane into methane oxygenates with in situ generated H 2 O 2 [33]. Recently, Xiao et al reported high methane conversions using a catalyst system in which the concentration of H 2 O 2 in Au-Pd@zeolite could be enriched by surface modification [34].…”

Section: Introductionmentioning

confidence: 99%

Selective Oxidation of Methane over Fe-Zeolites by In Situ Generated H2O2

Kang

Park

2020

Catalysts

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Liquid-phase selective oxidation of methane into methane oxygenates, including methanol and formic acid, with molecular oxygen was investigated using Fe-zeolites and Pd/activated carbon in the presence of molecular hydrogen as a reducing agent. Various Fe-zeolites such as Fe-ZSM-5, Fe-mordenite, Fe-β, Fe-Y, and Fe-ferrierite were prepared by ion-exchange and compared for this reaction. Among them, Fe-ZSM-5 was selected for further study because this catalyst showed high activity in the selective oxidation of methane with relatively less leaching. Further, the effect of reaction temperature, pH, and the amount of catalyst was examined, and detailed investigations revealed that the leached Fe species, which were facilitated in the presence of acid, were mainly responsible for methane oxidation under the given reaction conditions.

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“…So their sensitive materials are not suitable for making CTL gas sensors. Pd doped composites often exhibit low temperature catalytic oxidation activities for many molecules [32][33][34][35][36]. Our team has found that Pd/ZnNi3Al2O7 has low-temperature CTL activity for diethyl ether [37].…”

Section: Introductionmentioning

confidence: 99%

Preparation and performance of sensing material for diethyl ether: Optimization of working conditions by response surface methodology

Zhang¹,

Yang²,

Wang³

et al. 2020

Preprint

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Pd doped ZnNi3Al2O7 composite was synthesized by sol-gel and impregnation method. The EDS spectrum and TEM image showed that Pd atoms are uniformly distributed on the surface of ZnNi3Al2O7 with a particle size of less than 50 nm. A sensitive diethyl ether gas sensor based on cataluminescence on the composite at lower temperature than 200℃ was reported. There is a good linear relationship between the luminescence intensity and the concentration of diethyl ether in the range of 0.1-75 mg/m3. The detection limit (3σ) is 0.06 mg/m3. The working conditions optimized by response surface methodology were analytical wavelength of 548.86 nm, reaction temperature of 109.18℃ and carrier gas velocity of 125.88 ml/min, respectively. The sensitivity of the method can be increased by 4.5% under the optimized working conditions. The optimization method is universal for many multi parameter processes.

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Low-temperature direct conversion of methane to methanol over carbon materials supported Pd-Au nanoparticles

Cited by 52 publications

References 27 publications

Partial Methane Oxidation in Fuel Cell-Type Reactors for Co-Generation of Energy and Chemicals

Partial Methane Oxidation in Fuel Cell-Type Reactors for Co-Generation of Energy and Chemicals

Selective Oxidation of Methane over Fe-Zeolites by In Situ Generated H2O2

Preparation and performance of sensing material for diethyl ether: Optimization of working conditions by response surface methodology

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