Direct conversion of CO2 and CH4 into liquid chemicals by plasma-catalysis

Li, Di; Rohani, Vandad; Fabry, Frédéric; Aravind, Parakkulam Ramaswamy; Sennour, Mohamed; Fulcheri, Laurent

doi:10.1016/j.apcatb.2019.118228

Cited by 94 publications

(46 citation statements)

References 38 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…During the processes, the reaction temperature was maintained at room temperature with a circulating cool water bath. After the reactions were complete, the products were immediately analyzed by GC ( Figure S1), 1 H NMR ( Figure S2), and MS ( Figure S3). Detailed calculations of methanol yield, conversion rate of benzylamine, and selectivity of N-benzylidenebenzylamine are shown in the Supporting Information.…”

Section: Photocatalytic Reduction Of Comentioning

confidence: 99%

“…For energy conservation and environmental protection, direct conversion of CO 2 into a source of carbon fuels is an ideal solution [1][2][3][4][5][6][7]. Among the different technologies, solar photocatalytic conversion of CO 2 is the most promising because it only needs sunlight at room temperature and ambient pressure, which is clean, safe, and abundant [8][9][10][11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

CuMoxW(1-x)O4 Solid Solution Display Visible Light Photoreduction of CO2 to CH3OH Coupling with Oxidation of Amine to Imine

et al. 2020

View full text Add to dashboard Cite

The photoreduction of carbon dioxide (CO2) to valuable fuels is a promising strategy for the prevention of rising atmospheric levels of CO2 and the depletion of fossil fuel reserves. However, most reported photocatalysts are only active in the ultraviolet region, which necessitates co-catalysts and sacrificial agents in the reaction systems, leading to an unsatisfied economy of the process in energy and atoms. In this research, a CuMoxW(1-x)O4 solid solution was synthesized, characterized, and tested for the photocatalytic reduction of CO2 in the presence of amines. The results revealed that the yield of CH3OH from CO2 was 1017.7 μmol/g under 24 h visible light irradiation using CuW0.7Mo0.3O4 (x = 0.7) as the catalyst. This was associated with the maximum conversion (82.1%) of benzylamine to N-benzylidene benzylamine with high selectivity (>99%). These results give new insight into the photocatalytic reduction of CO2 for valuable chemical products in an economic way.

show abstract

Section: Photocatalytic Reduction Of Comentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

CuMoxW(1-x)O4 Solid Solution Display Visible Light Photoreduction of CO2 to CH3OH Coupling with Oxidation of Amine to Imine

et al. 2020

View full text Add to dashboard Cite

show abstract

“…The thermal plasma splitting of methane into green hydrogen and solid carbon is such technology. [ 44–4544,46 ] It is about seven times more energy‐efficient than water hydrolysis, to which so much promise is currently given as green hydrogen technology. [ 44 ] It co‐valorises solid carbon, and it is beyond the scope of this manuscript to outline that economic benefit; yet likely it is substantial.…”

Section: Introductionmentioning

confidence: 99%

Tri‐fold process integration leveraging high‐ and low‐temperature plasmas: From biomass to fertilizers with local energy and for local use

Sarafraz

Tran

Nguyen

et al. 2021

J Adv Manuf & Process

Self Cite

View full text Add to dashboard Cite

In the present study, a series of thermochemical equilibrium modeling was conducted to assess the thermodynamic potential of biomass conversion to ammonia using thermal and nonthermal plasma at small‐ and large‐scale production. The system was designed and evaluated for five different locations in Australia including the Northern Territory, South Australia, Western Australia, and New South Wales using local biomass feedstock. The equilibrium modeling showed that the pathway of biomass to biomethane using an anaerobic digestion reactor, biomethane to hydrogen using a thermal plasma reactor, followed by conversion of hydrogen to ammonia via a nonthermal plasma reactor is a plausible route, by which the exergy efficiency of the process can be as high as ~60%. It is identified that the thermal plasma reactor required two distinct zones at 3000°C < T < 4000°C and 1500°C < T < 2500°C. The first zone aims at converting electric energy into very high temperature thermal flow while the second one enables to split methane molecules into solid carbon and hydrogen. The new ammonia process is also assessed from the viewpoint of the current industrial transformation, being accelerated by the post‐COVID economy, which moves toward local, resilient, integrated and self‐sufficient production under the umbrella of an emerging fractal economy. With respect to local production, the developed process is designed for a quick response to farm use and on‐time production in view of the demands of modern ICT‐sensor based precision agriculture. The proposed process was found to be flexible (“resilient”) against production scale, geographical location, price and type of feedstock, and source of renewable energy. The system was found to be flexible against different feedstock such as spent grape marc, mustard seed, bagasse, piggery and poultry. The system can be self‐sustained up to ~80% at T = 3500°C; with the thermal plasma reactor‐zone 2 producing the electricity requirements for the nonthermal plasma via a steam turbine power block. Finally, the system it is investigated to which degree the system is adaptable to local production, self‐sufficient, and circulatory.

show abstract

“…S2) 32 . To mitigate the unfavorable thermodynamic C-C coupling between CO 2 and CH 4 , the use of O 2 35, 36 , methanol 37 , and plasma was proposed 35,36,38 ; however, overcoming the thermodynamic limitations is still challenging. The second approach is the reverse water-gas shift (RWGS) reaction of CO 2 or dry reforming of CH 4 to produce syngas, followed by the conversion of syngas to AA (Eqs.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of monocarboxylic acids via direct CO2 conversion over Ni–Zn alloy catalysts

Sibi

Verma

Setiyadi

et al. 2020

Preprint

View full text Add to dashboard Cite

The direct conversion of CO2 to methane, gasoline-to-diesel range fuels, methanol, and light olefins using renewable electricity sources is considered a promising approach for mitigating global warming. Nevertheless, the direct conversion of CO2 to high value-added chemicals, such as acetic and propanoic acids (AA and PA, respectively), has not been explored to date. Herein, we report a Ni–Zn alloy/Zn-rich NixZnyO catalyst that directly converted CO2 to AA and PA with an overall selectivity of 77.1% at a CO2 conversion of 13.4% at 325 °C. The surface restructuring of the ZnO and NiO phases during calcination and subsequent reduction led to the formation of a Ni–Zn alloy on the Zn-rich NixZnyO phase. Surface-adsorbed (*CHx)n species were formed via the reverse water-gas shift reaction and subsequent CO hydrogenation. Afterward, monocarboxylic acids were produced via the direct insertion of CO2 into the (*CHx)n species and subsequent hydrogenation. The synthesis of monocarboxylic acid was highly stable up to 216 h on-stream over the Ni–Zn alloy catalyst, and the catalyst maintained its phase structure and morphology during long-term CO2 hydrogenation. The high selectivity toward monocarboxylic acids and high stability of the Ni–Zn alloy demonstrated its excellent potential for the conversion of CO2 into value-added chemicals.

show abstract

Direct conversion of CO2 and CH4 into liquid chemicals by plasma-catalysis

Cited by 94 publications

References 38 publications

CuMoxW(1-x)O4 Solid Solution Display Visible Light Photoreduction of CO2 to CH3OH Coupling with Oxidation of Amine to Imine

CuMoxW(1-x)O4 Solid Solution Display Visible Light Photoreduction of CO2 to CH3OH Coupling with Oxidation of Amine to Imine

Tri‐fold process integration leveraging high‐ and low‐temperature plasmas: From biomass to fertilizers with local energy and for local use

Synthesis of monocarboxylic acids via direct CO2 conversion over Ni–Zn alloy catalysts

Contact Info

Product

Resources

About