Search Results - "Kraume, M."

Fluid dynamics and mass transfer at single droplets in liquid/liquid systems by Wegener, M., Paul, N., Kraume, M.

“…The design of contact apparatuses in which one liquid phase is dispersed into another is a challenging task with regard to fluid dynamics and mass transfer. To…”
Get full text

DEM-CFD simulations of fixed bed reactors with small tube to particle diameter ratios by Eppinger, T., Seidler, K., Kraume, M.

“…A new meshing method for fixed beds consisting of monodisperse spherical particles is presented. The particles are flattened near the particle–particle and…”
Get full text

Membrane Bioreactors in Waste Water Treatment - Status and Trends by Kraume, M., Drews, A.

“…Due to their unique advantages like controlled biomass retention, improved effluent quality, and decreased footprint, membrane bioreactors (MBRs) are being…”
Get full text

The formation of complex droplets in liquid three phase systems and their effect on dispersion and phase separation by Hohl, L., Kraume, M.

“…•Endoscope technique is applied in liquid three phase microemulsion systems.•Free energy and fluid dynamics determine the structure of complex droplets in…”
Get full text

Experimental comparison of measurement techniques for drop size distributions in liquid/liquid dispersions by Maaß, S., Wollny, S., Voigt, A., Kraume, M.

“…An online measurement technique for drop size distribution in stirred tank reactors is needed but has not yet been developed. Different approaches and…”
Get full text

Nutrient Recovery from Biogas Digestate by Optimised Membrane Treatment by Gienau, T., Brüß, U., Kraume, M., Rosenberger, S.

“…Biogas plants produce nutrient rich digestates as side products, which are usually used as local fertilisers. Yet the large amount and regional gradients of…”
Get full text

Process control in cell culture technology using dielectric spectroscopy by Justice, C., Brix, A., Freimark, D., Kraume, M., Pfromm, P., Eichenmueller, B., Czermak, P.

“…In the biopharmaceutical industry, mammalian and insect cells as well as plant cell cultures are gaining worldwide importance to produce biopharmaceuticals and…”
Get full text

Early warning indicators for process failure due to organic overloading by rapeseed oil in one-stage continuously stirred tank reactor, sewage sludge and waste digesters by Kleyböcker, A., Liebrich, M., Verstraete, W., Kraume, M., Würdemann, H.

“…► Early warning indicators (EWIs) for over-acidification. ► EWI-VFA/Ca: concentration ratio of volatile fatty acids to calcium. ► EWI-PO4/Ca: concentration…”
Get full text

Does fouling in MBRs depend on SMP? by Drews, A., Vocks, M., Bracklow, U., Iversen, V., Kraume, M.

“…Fouling is still one of the major issues of the membrane bioreactor (MBR) research. Most attention is currently paid to extracellular polymeric substances…”
Get full text

Nutrient recovery from anaerobic sludge by membrane filtration: pilot tests at a 2.5 MWe biogas plant by Gienau, T., Brüß, U., Kraume, M., Rosenberger, S.

“…Purpose Membrane filtration is recently applied to recover nutrients and dischargeable water from anaerobic sludge. The purpose of this study is to quantify…”
Get full text

Effects of several different flux enhancing chemicals on filterability and fouling reduction of membrane bioreactor (MBR) mixed liquors by Koseoglu, H., Yigit, N.O., Iversen, V., Drews, A., Kitis, M., Lesjean, B., Kraume, M.

“…The main objective of this work was to determine the effectiveness of various chemicals on filterability and fouling reduction in MBR mixed liquors. Different…”
Get full text

Biomass effects on oxygen transfer in membrane bioreactors by Germain, E., Nelles, F., Drews, A., Pearce, P., Kraume, M., Reid, E., Judd, S.J., Stephenson, T.

“…Ten biomass samples from both municipal and industrial pilot and full scale submerged membrane bioreactors (MBRs) with mixed liquor suspended solids…”
Get full text

Impact of ambient conditions on SMP elimination and rejection in MBRs by Drews, Anja, Mante, Jan, Iversen, Vera, Vocks, Martin, Lesjean, Boris, Kraume, Matthias

“…The widespread application of the membrane-assisted activated sludge process is restricted by membrane fouling, which increases investment and operating costs…”
Get full text

Analysis of physical properties, dispersion conditions and drop size distributions in complex liquid/liquid systems by Hohl, L., Schulz, J., Paul, N., Kraume, M.

“…•Density, viscosity and interfacial tension of a liquid/liquid system were determined under three phase conditions.•An endoscope measurement technique was…”
Get full text

Dispersion conditions and drop size distributions in stirred micellar multiphase systems by Hohl, L., Paul, N., Kraume, M.

“…•An endoscope measurement technique was applied in liquid three phase systems.•The dispersion conditions in micellar three phase systems were analysed.•Drop…”
Get full text

Mass transfer enhancement through Marangoni instabilities during single drop formation by Wegener, M., Paschedag, A.R., Kraume, M.

“…The impact of Marangoni convection on the extraction efficiency during the drop formation stage is investigated in the system toluene/acetone/water for…”
Get full text

First systematic study on the impact of preparation conditions on characteristic Pickering emulsion properties by Drews, A., Kempin, M. V., Kraume, M.

Get full text

Parameter optimization for the oxidative coupling of methane in a fixed bed reactor by combination of response surface methodology and computational fluid dynamics by Eppinger, T., Wehinger, G., Kraume, M.

“…•Efficient way for optimizing fixed bed reactors including chemical reactions is presented.•This is shown based on a 10-step kinetic for the oxidative coupling…”
Get full text

Nutrient recycling from the effluent of a decentralized anaerobic membrane bioreactor (AnMBR) treating fresh domestic wastewater by cultivation of the microalgae Acutodesmus obliquus by Foix-Cablé, M, Darmawan, R A, Sahnoun, M, Hindersin, S, Kerner, M, Kraume, M

“…This study investigates the feasibility of microalgae cultivation with the effluent (permeate) of a decentralized anaerobic membrane bioreactor (AnMBR)…”
Get full text

Fouling in MBR: What use are lab investigations for full scale operation? by Kraume, M., Wedi, D., Schaller, J., Iversen, V., Drews, A.

“…Despite the large number of publications, membrane fouling still is not well understood due to the complexity of the interacting phenomena and the multitude of…”
Get full text