A New High Pressure Technique—The Controlled-Clearance Principle

Newhall, D. H.

doi:10.1021/ie50576a031

Cited by 3 publications

(1 citation statement)

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“…In a typical batch setup used for RCF, mechanical stirring is applied to ensure proper mass transfer between biomass and solvent but also between the solubilized lignin, catalyst, and H 2 . , At typical RCF operating pressures and temperatures, tradition mechanical stirrers are prone to leakages and wear and friction at the position of the sealant. , As a solution, lab- and pilot-scale reactors apply magnetic drives that are able to provide the necessary torque for sufficient mixing of the RCF reaction mixtures (with high solid loading up to 25 wt %) while ensuring pressure resistance. For industrial scale stirred reactors, however, such magnetically coupled stirring devices might not be realistic from a technical and/or economic point of view.…”

Section: Reactor Designmentioning

confidence: 99%

Perspective on Overcoming Scale-Up Hurdles for the Reductive Catalytic Fractionation of Lignocellulose Biomass

Cooreman

Vangeel

Aelst

et al. 2020

Ind. Eng. Chem. Res.

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In the last 5 years, reductive catalytic fractionation of lignocellulose biomass has emerged as a promising biorefinery concept that combines biomass fractionation with the preservation of chemical functionality in its products. Although significant efforts have been made in optimizing this technology on lab scale, the implementation on a larger (pilot) scale is still in its infancy. In our own search for the scale-up potential of this technology, we faced several fundamental and technical research questions that, to this day, remain unanswered. These fundamental questions are related to four main aspects of RCF, the lignocellulose feedstock, the operating pressure, the redox catalyst, and the solvent. In order to inspire future multidisciplinary research in the RCF community, these scale-up challenges are presented and discussed via multiple angles combining chemical process hurdles with more technical aspects, such as reactor design and process consequences.

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Section: Reactor Designmentioning

confidence: 99%

Perspective on Overcoming Scale-Up Hurdles for the Reductive Catalytic Fractionation of Lignocellulose Biomass

Cooreman

Vangeel

Aelst

et al. 2020

Ind. Eng. Chem. Res.

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Physics at High Pressure

Swenson

1960

Solid State Physics

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High Pressure Gas Apparatus for Measuring Ultrasound Velocity in Matters up to 4 GPa

Kimura

Hanayama

Nishitake

1987

Jpn. J. Appl. Phys.

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We report on magnetotransport measurements on the solid solution Cd,(As,P,-,), in stationary fields up to 17.3T at liquid helium temperatures. The measurements are compared with those of Arushanov et al(1982 Sov. J. Quantum Electron. 12 1256) on samples with electron concentrations about ten times higher and discussed with respect to possible models of the energy band structure. 30 ai low carrier conceniraiions a iour-eilipsoid modei is proposed.

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A New High Pressure Technique—The Controlled-Clearance Principle

Cited by 3 publications

References 0 publications

Perspective on Overcoming Scale-Up Hurdles for the Reductive Catalytic Fractionation of Lignocellulose Biomass

Perspective on Overcoming Scale-Up Hurdles for the Reductive Catalytic Fractionation of Lignocellulose Biomass

Physics at High Pressure

High Pressure Gas Apparatus for Measuring Ultrasound Velocity in Matters up to 4 GPa

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