Search Results - "von Rohr, Philipp Rudolf"

Oxidation of Lignin Using Aqueous Polyoxometalates in the Presence of Alcohols by Voitl, Tobias, Rudolf von Rohr, Philipp

“…A novel approach has been developed in order to use Kraft lignin as a renewable resource for the production of chemicals. The concept is based on the use of…”
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Supercritical extraction of lignin oxidation products in a microfluidic device by Assmann, Nora, Werhan, Holger, Ładosz, Agnieszka, Rudolf von Rohr, Philipp

“…Lignin represents a promising renewable source of chemicals. Valuable aromatic monomers, such as vanillin and methyl vanillate, can be obtained through its…”
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An integrated perfusion machine preserves injured human livers for 1 week by Eshmuminov, Dilmurodjon, Becker, Dustin, Bautista Borrego, Lucia, Hefti, Max, Schuler, Martin J., Hagedorn, Catherine, Muller, Xavier, Mueller, Matteo, Onder, Christopher, Graf, Rolf, Weber, Achim, Dutkowski, Philipp, Rudolf von Rohr, Philipp, Clavien, Pierre-Alain

“…The ability to preserve metabolically active livers ex vivo for 1 week or more could allow repair of poor-quality livers that would otherwise be declined for…”
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The influence of thermal treatment on rock–bit interaction: a study of a combined thermo–mechanical drilling (CTMD) concept by Rossi, Edoardo, Saar, Martin O., Rudolf von Rohr, Philipp

“…To improve the economics and viability of accessing deep georesources, we propose a combined thermo–mechanical drilling (CTMD) method, employing a heat source…”
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Particle image velocimetry in a foam-like porous structure using refractive index matching: a method to characterize the hydrodynamic performance of porous structures by Butscher, Denis, Hutter, Cédric, Kuhn, Simon, Rudolf von Rohr, Philipp

“…We present a method to measure two-dimensional velocity fields inside an artificial foam-like porous structure using particle image velocimetry and a…”
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The Effects of High Heating Rate and High Temperature on the Rock Strength: Feasibility Study of a Thermally Assisted Drilling Method by Rossi, Edoardo, Kant, Michael A., Madonna, Claudio, Saar, Martin O., Rudolf von Rohr, Philipp

“…In this paper, the feasibility of a thermally assisted drilling method is investigated. The working principle of this method is based on the weakening effect…”
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Plasma inactivation of microorganisms on sprout seeds in a dielectric barrier discharge by Butscher, Denis, Van Loon, Hanne, Waskow, Alexandra, Rudolf von Rohr, Philipp, Schuppler, Markus

“…Fresh produce is frequently contaminated by microorganisms, which may lead to spoilage or even pose a threat to human health. In particular sprouts are…”
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Plasma inactivation of bacterial endospores on wheat grains and polymeric model substrates in a dielectric barrier discharge by Butscher, Denis, Zimmermann, Daniel, Schuppler, Markus, Rudolf von Rohr, Philipp

“…Motivated by the frequent microbial contamination of granular food products like cereal grains or sprout seeds, an atmospheric pressure dielectric barrier…”
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Plasma treatment of polymer powders – from laboratory research to industrial application by Arpagaus, Cordin, Oberbossel, Gina, Rudolf von Rohr, Philipp

“…This review provides a comprehensive overview of scientific research on plasma treatment of polymer powders over the last 40 years. The current state of the…”
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Separation of lignin oxidation products by organic solvent nanofiltration by Werhan, Holger, Farshori, Akbar, Rudolf von Rohr, Philipp

“…The emerging field of organic solvent nanofiltration (OSN) opened up novel opportunities in fractionation and purification of polydisperse mixtures during the…”
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Decisive Role of Perimeter Sites in Silica-Supported Ag Nanoparticles in Selective Hydrogenation of CO2 to Methyl Formate in the Presence of Methanol by Corral-Pérez, Juan José, Bansode, Atul, Praveen, C. S, Kokalj, Anton, Reymond, Helena, Comas-Vives, Aleix, VandeVondele, Joost, Copéret, Christophe, von Rohr, Philipp Rudolf, Urakawa, Atsushi

“…Methyl formate synthesis by hydrogenation of carbon dioxide in the presence of methanol offers a promising path to valorize carbon dioxide. In this work,…”
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Two-phase flow characteristics in gas–liquid microreactors by Waelchli, Severin, Rudolf von Rohr, Philipp

“…Multiphase chemical microreactors require a detailed knowledge of the flow conditions inside the reaction system. This paper reports flow visualization…”
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Supercritical extraction of vanillin in a microfluidic device by Assmann, Nora, Kaiser, Stefan, Rudolf von Rohr, Philipp

“…[Display omitted] ► Suprercritical extraction was successfully conducted in a microfluidic device. ► On-chip separation of a supercritical fluid from a liquid…”
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Effect of Surface Free Energy on the Flowability of Lactose Powder Treated by PECVD by Spillmann, Adrian, Sonnenfeld, Axel, Rudolf von Rohr, Philipp

“…The surface of microscopic lactose particles was modified by gas phase reactions occurring during a PECVD process to improve the flow behavior of the powder…”
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Simulation of rock failure modes in thermal spallation drilling by Vogler, Daniel, Walsh, Stuart D. C., von Rohr, Philipp Rudolf, Saar, Martin O.

“…Thermal spallation drilling is a contact-less means of borehole excavation that works by exposing a rock surface to a high-temperature jet flame. In this…”
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Interplay between Reaction and Phase Behaviour in Carbon Dioxide Hydrogenation to Methanol by Reymond, Helena, Amado‐Blanco, Victor, Lauper, Andreas, Rudolf von Rohr, Philipp

“…Condensation promotes CO2 hydrogenation to CH3OH beyond equilibrium through in situ product separation. Although primordial for catalyst and reactor design,…”
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Novel membrane bioreactor: Able to cope with fluctuating loads, poorly water soluble VOCs, and biomass accumulation by Studer, Michael, Rudolf von Rohr, Philipp

“…Biological waste gas treatment is an attractive method for controlling air emissions of volatile organic compounds (VOCs). Microorganisms degrade the VOCs to…”
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Inactivation of microorganisms on granular materials: Reduction of Bacillus amyloliquefaciens endospores on wheat grains in a low pressure plasma circulating fluidized bed reactor by Butscher, Denis, Schlup, Tina, Roth, Christian, Müller-Fischer, Nadina, Gantenbein-Demarchi, Corinne, Rudolf von Rohr, Philipp

“…•Bacterial spores on wheat grains were reduced in a plasma circulating fluidized bed.•Spores were reduced by over two log units within 30s of effective…”
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Nanoparticle production from HMDSO in atmospheric pressure argon‐oxygen plasma by Wallimann, Roger, Roth, Christian, Rudolf von Rohr, Philipp

“…A dielectric barrier discharge containing argon and oxygen is used to dissociate HMDSO with the purpose of producing silica‐like particles. Solid material is…”
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Scalar transport from a point source in flows over wavy walls by WAGNER, Carsten, KUHN, Simon, VON ROHR, Philipp Rudolf

“…Simultaneous measurements of the velocity and concentration field in fully developed turbulent flows over a wavy wall are described. The concentration field…”
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