Search Results - "Bruinsma, S.L"

Membrane Retrofit Option for Paraffin/Olefin SeparationA Technoeconomic Evaluation by Motelica, Anatolie, Bruinsma, Odolphus S. L, Kreiter, Robert, den Exter, Marcel, Vente, Jaap F

“…The technical and economic feasibility of a hybrid separation process in which gas separation membranes are combined with conventional distillation are…”
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Validation of GOCE densities and evaluation of thermosphere models by Bruinsma, S L, Doornbos, E, Bowman, B R

“…Atmospheric densities from ESA's GOCE satellite at a mean altitude of 270km are validated by comparison with predictions from the near real time model HASDM…”
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First ever in situ observations of Venus’ polar upper atmosphere density using the tracking data of the Venus Express Atmospheric Drag Experiment (VExADE) by Rosenblatt, P., Bruinsma, S.L., Müller-Wodarg, I.C.F., Häusler, B., Svedhem, H., Marty, J.C.

“…► Venus’ polar thermosphere densities are derived from the Venus Express spacecraft tracking data. ► These data permit to reconstruct the drag-induced orbital…”
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Sodium sulfate splitting as zero brine process in a base metal refinery: Screening and optimization in batch mode by Bruinsma, O.S.L., Branken, D.J., Lemmer, T.N., van der Westhuizen, L., Rossouw, S.

“…In base metal refineries Na2SO4 is produced in large quantities as a neutralization salt and recovered via energy intensive evaporative crystallization…”
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The structured heat integrated distillation column by Bruinsma, O.S.L., Krikken, T., Cot, J., Sarić, M., Tromp, S.A., Olujić, Ž., Stankiewicz, A.I.

“…This paper describes a unique, proof of the principle test facility and the results of a study carried out to provide experimental evidence needed to properly…”
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Influence of KF and HF on the Selectivity of Zr and Hf Separation by Fractional Crystallization of K2Zr(Hf)F6 by Branken, Dawie J, Lachmann, Gerhard, Krieg, Henning M, Bruinsma, Dolf S. L

“…For nuclear applications, zirconium metal (Zr) must adhere to stringent specifications, where a low hafnium (Hf) content, i.e., <100 ppm, is one of the most…”
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An assessment of new satellite total density data for improving upper atmosphere models by Bruinsma, S.L, Exertier, P, Biancale, R

“…The DTM series of atmospheric density models ( Barlier et al., 1977; Berger et al., 1998) have been developed for atmospheric constituent representation and…”
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Thermal reduction of barium sulphate with carbon monoxide—A thermogravimetric study by Hlabela, P.S., Neomagus, H.W.J.P., Waanders, F.B., Bruinsma, O.S.L.

“…The kinetic parameters of the reduction of barium sulphate to barium sulphide using carbon monoxide fractions of 2.4–9.6% and temperatures of 850–1000 °C,…”
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Measurement and modelling of the solubility of solids in mixtures of common solvents and compressed gases by Wubbolts, F.E., Bruinsma, O.S.L., van Rosmalen, G.M.

“…The solubility of many solids in a compressed gas like carbon dioxide is low and it is therefore less suitable as a solvent. Instead, it can be used as an…”
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Depolymerization of clean unfilled PTFE waste in a continuous process by Van Der Walt, I. J., Bruinsma, O. S. L.

“…A continuous process is described whereby waste PTFE was converted into tetrafluoroethylene (C2F4, TFE), hexafluoroethane (C2F6, HFE), hexafluoropropylene…”
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The continuous depolymerization of filled polytetrafluoroethylene with a continuous process by van der Walt, I. J., Grunenburg, A. T., Nel, J. T., Maluleke, G. G., Bruinsma, O. S. L.

“…A new method for beneficiating unfilled as well as filled polytetrafluoroethylene (PTFE) waste has been developed. This process does not use any carrier gas…”
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Impurity Effects on the Crystallization Kinetics of Ampicillin by Ottens, M, Lebreton, B, Zomerdijk, M, Rijkers, M. P. W. M, Bruinsma, O. S. L, van der Wielen, L. A. M

“…Impurities have a clear negative influence on the nucleation and growth rate kinetics of the semisynthetic antibiotic ampicillin (AMPI) crystallization. The…”
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A kinetic expression for the pyrolytic decomposition of polytetrafluoroethylene by van der Walt, Izak J., Neomagus, Hein W.J.P., Nel, Johann T., Bruinsma, O.S.L., Crouse, Philippus L.

“…The reaction rate for the thermal depolymerization of PTFE is shown to be directly proportional to the surface area and, to a reasonable accuracy, the mass…”
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Purification of polycrystalline ε -caprolactam particles by van der Gun, M.A., Bruinsma, O.S.L., Jansens, P.J.

“…The purification of granules, which are polycrystalline particles, suspended in a melt has been studied experimentally. A stirred vessel was used as…”
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A numerical study on the coupling of hydrodynamics and orthokinetic agglomeration by Hollander, E.D, Derksen, J.J, Bruinsma, O.S.L, van den Akker, H.E.A, van Rosmalen, G.M

“…Numerical studies on orthokinetic agglomeration in a turbulent channel flow and in a stirred tank are presented. By using a lattice Boltzmann scheme to…”
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Dry-spraying of ascorbic acid or acetaminophen solutions with supercritical carbon dioxide by Wubbolts, F.E., Bruinsma, O.S.L., van Rosmalen, G.M.

“…Carbon dioxide is a very poor solvent for many organic compounds, which makes it a good anti-solvent. When a solution is sprayed into carbon dioxide vapour the…”
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Calcium phosphate precipitation in a fluidized bed in relation to process conditions: A black box approach by Seckler, M.M., Bruinsma, O.S.L., Van Rosmalen, G.M.

“…The precipitation features of calcium phosphate in a fluidized bed reactor in the concentration range between 5 and 100 mg P 1 −1 were studied, and the…”
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Crystallization Kinetics of Ampicillin by Ottens, M, Lebreton, B, Zomerdijk, M, Rijkers, M. P. W. M, Bruinsma, O. S. L, van der Wielen, L. A. M

“…The first results regarding the crystallization kinetics of the pure semisynthetic β-lactam antibiotic (SSA) ampicillin in water are presented. The…”
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Selective Adsorption of Platinum from Mixed Solutions Containing Base Metals Using Chemically Modified Activated Carbons by Kasaini, H., Everson, R. C., Bruinsma, O. S. L.

“…Bituminous coal was activated by using steam at 750°C in a furnace. The activated carbon (AC) particles were chemically treated with thiophosphoric and amine…”
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Phosphate removal in a fluidized bed—I. Identification of physical processes by Seckler, M.M., Bruinsma, O.S.L., Van Rosmalen, G.M.

“…The main processes concerning the precipitation of calcium phosphate in a fluidized bed were studied. Primary nucleation and molecular growth occur at the…”
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