Treatment of Sugarcane Bagasse Lignin Employing Atmospheric Pressure Microplasma Jet in Argon

Amorim, J.; Oliveira, Carlos Yure B.; Souza-Corrêa, J A; Ridenti, Marco Antonio

doi:10.1002/ppap.201200158

Cited by 40 publications

(27 citation statements)

References 43 publications

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“…This type of configuration (χ m ) given by equations (12) and (13) [41,42]. All the other configurations, either involving energetically closed target states or those given by products of open target states with bound orbitals (not orthogonal to the target orbitals 3 ), belong to the closedchannel Feshbach projector Q Fesch .…”

Section: P ψmentioning

confidence: 99%

“…This can be very cumbersome. A better strategy is to note that the target states of P + Q gives rise to (N + 1) times the number of linearly independent (N + 1)-particle configurations that can be constructed with the help of equation (12). We, therefore, could make use of…”

Section: P ψmentioning

confidence: 99%

“…Some of the examples are: (1) planetary atmospheres bombarded by photons and charged particles [1,2], (2) practical understanding of atmospheric reentry physics in space programs [3], (3) modeling of chemical plasmas for surface treatments [4][5][6][7], (4) DNA fragmentation induced by electron attachment (motivation for studying several biomolecules) [8], (5) nanomaterials fabrication using focused electron-beam-induced processing [9,10] and more recently (6) pre-treatment (de-lignification) of biomass to obtain biofuels [11][12][13].…”

Section: Introductionmentioning

confidence: 99%

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Recent advances in the application of the Schwinger multichannel method with pseudopotentials to electron-molecule collisions

et al. 2015

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Abstract. The Schwinger multichannel method [K. V. McKoy, Phys. Rev. A 30, 1734 (1984)], which is based on the Schwinger variational principle for the scattering amplitude [J. Schwinger, Phys. Rev. 72, 742 (1947)], was designed to account for exchange, polarization and electronically multichannel coupling effects in the low-energy region of electron scattering from molecules with arbitrary geometry. The applications of the method became more ambitious with the availability of computer power combined with parallel processing, use of norm-conserving pseudopotentials and improvement of the description of target excited states (minimal orbital basis for single configuration interaction). The most recent applications involving 33 and 45 electronically open channels for phenol and ethylene molecules, represent good examples of the present status of the method. In this colloquium, we review the strategy and point out new directions to apply the method in its full extension.

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Section: P ψmentioning

confidence: 99%

Section: P ψmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Recent advances in the application of the Schwinger multichannel method with pseudopotentials to electron-molecule collisions

et al. 2015

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“…2,3 In any likely application of the latter, for example, through the commercial establishment of a bio-refinery, the plasma action will need to be understood through some form of modelling or simulation, with electron scattering cross sections for all relevant species in the plasma being just one of the required inputs. It is hoped that fundamental scattering data of key biomass subunits, and their inclusion in plasma models, can provide insights into the mechanisms of those plasma actions with different forms of biomass that are built from varying fractions of complex polymers (cellulose, hemicellulose, and lignin).…”

Section: Introductionmentioning

confidence: 99%

The electron-furfural scattering dynamics for 63 energetically open electronic states

Costa

Varella

Bettega

et al. 2016

The Journal of Chemical Physics

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Electron collisions with phenol: Total, integral, differential, and momentum transfer cross sections and the role of multichannel coupling effects on the elastic channel J. Chem. Phys. 142, 104304 (2015) (2015)]. Generally, very good agreement is found. In addition, ICSs calculated with our independent atom model (IAM) with screening corrected additivity rule (SCAR) formalism, extended to account for interference (I) terms that arise due to the multi-centre nature of the scattering problem, are also reported. The sum of those ICSs gives the IAM-SCAR+I total cross section for electron-furfural scattering. Where possible, those calculated IAM-SCAR+I ICS results are compared against corresponding results from the present measurements with an acceptable level of accord being obtained. Similarly, but only for the band I and band II excited electronic states, we also present results from our Schwinger multichannel method with pseudopotentials calculations. Those results are found to be in good qualitative accord with the present experimental ICSs. Finally, with a view to assembling a complete cross section data base for furfural, some binary-encounter-Bethe-level total ionization cross sections for this collision system are presented. C 2016 AIP Publishing LLC. [http://dx

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“…16 and 17) as well as the effect of plasma action in biomass. 18,19 a) Author to whom correspondence should be addressed. Electronic mail:…”

Section: Introductionmentioning

confidence: 99%

Excitation of vibrational quanta in furfural by intermediate-energy electrons

Jones

Neves

Lopes

et al. 2015

The Journal of Chemical Physics

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We report cross sections for electron-impact excitation of vibrational quanta in furfural, at intermediate incident electron energies (20, 30, and 40 eV). The present differential cross sections are measured over the scattered electron angular range 10• -90• , with corresponding integral cross sections subsequently being determined. Furfural is a viable plant-derived alternative to petrochemicals, being produced via low-temperature plasma treatment of biomass. Current yields, however, need to be significantly improved, possibly through modelling, with the present cross sections being an important component of such simulations. To the best of our knowledge, there are no other cross sections for vibrational excitation of furfural available in the literature, so the present data are valuable for this important molecule. C 2015 AIP Publishing LLC. [http://dx

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Treatment of Sugarcane Bagasse Lignin Employing Atmospheric Pressure Microplasma Jet in Argon

Cited by 40 publications

References 43 publications

Recent advances in the application of the Schwinger multichannel method with pseudopotentials to electron-molecule collisions

Recent advances in the application of the Schwinger multichannel method with pseudopotentials to electron-molecule collisions

The electron-furfural scattering dynamics for 63 energetically open electronic states

Excitation of vibrational quanta in furfural by intermediate-energy electrons

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