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Mass transfer efficiency of a tall and low plate free area liquid pulsed sieve plate extraction column International Journal of Industrial Chemistry 2017 8 4 397 410
·Enzyme mass transfer coefficient in a sieve plate extraction column The Chemical Engineering Journal and the Biochemical Engineering Journal 1994 55 1 2 B1 B17
·Fig 2 shows a horizontal vertical pulsed sieve plate column The detailed information about the column geometry is listed in Table 4 The horizontal section contains 24 pairs of sieve plate For better mixing half perforated plates with a distance of 1 cm between each plate are positioned in pairs and the distance between each pair is 5 cm
The hydrodynamics of a pilot scale sieve plate extraction column Paper present a t a Research Meeting Society of Chemical Industry Extraction and Ion Exchange Group University of Aston May 8 1985
·A 1D CNN model for the early detection of citrus Huanglongbing disease in the sieve plate of phloem tissue using micro FTIR Our approach has potential for the early diagnosis of citrus HLB disease from the microscopic scale which would provide useful and precise guidelines to prevent and control citrus HLB disease and has caused
·Nature of the two phase dispersion on sieve plates operating in the spray regime Trans Inst Chem Eng 52 3 1974 pp 294 299 Google Scholar An imaging technique for characterization of fluid flow pattern on industrial scale column sieve trays Chem Eng Res Des 111 2016 pp 138 146 View PDF View article View in Scopus
·An imaging technique for characterization of fluid flow pattern on industrial scale column sieve trays Non uniform gas liquid flow patterns above the sieve plate can result in significant losses in purification efficiency for particles To improve the flow pattern via sieve plate design and to more accurately predict purification
·helical sieve plates was developed † Gas holdup and volumetric mass transfer coefficient were significantly intensified † Helical sieve plate structure and re actor performance were related to each other † Bubble size decreased and its dis tribution in the reactor was narrow GRAPHICAL ABSTRACT ARTICLE INFO Keywords Bioreactor Gas
·Gymnosperms have end walls that reunite numerous sieve areas but without forming sieve plates as pores at the end wall are equal in width to those of the lateral walls In this sense gymnosperms differ from angiosperms which have specialized sieve areas with wider sieve pores reunited in the end walls known as the sieve plates
·Key words numerical simulation bubble sieve plate tower gas liquid two phase flow gas holdup : 、
· g h Sustained expression pattern of DRP1A g and DRP1C h in sieve plates in a 3D projection Scale bars 5 μm Full size image CHER1 is required for sieve plate and sieve pore elaboration
·[Show full abstract] plates up to 5 2 m wide can be rolled as well as 64 in large tube plates With these facilities the mill is the only rolling mill outside Japan affording such great potential
·CFD Analysis of Liquid Liquid Extraction Pulsed Sieve Plate Extraction Columns Computer Aided Chemical Engineering Volume 40 2017 pp 19 24 An imaging technique for characterization of fluid flow pattern on industrial scale column sieve trays Chemical Engineering Research and Design Volume 111 2016 pp 138 146
·Polyimide derived carbon molecular sieve CMS membranes mark an important step for various current key energy intensive separations The excellent separation performance combined with economical
·The sieve plate leads to a larger increase of volumetric mass transfer coefficient with the O ring distributor as compared to the 4 orifice nozzle the hydrodynamic behaviors and mass transfer characteristics of a laboratory scale airlift reactor with sieve plates are investigated flow testing model of a 200 m 3 industrial airlift
·A dynamic mathematical model is developed to simulate emulsion polymerization reactions carried out in a new type of reactor the pulsed sieve plate column PSPC The PSPC is described by an axial dispersion model that allows one to cover the entire range between plug flow and perfectly mixed stirred tank reactors and therefore enables the simulation of a wide
·The computational domain was created by Autodesk Inventor using inputs as in [35] Plate detailed geometries sketched by using assumptions in [36 37] open sieves tray type having 3 mm plate
·Most applications on sieve tray internals were internals additions for increasing bubble area and changing gas liquid contact form to intensify the mass transfer in a tower An easy improvement to set up a mesh on the sieve tray was proposed in this paper It was confirmed that foam layer on the sieve tray acts as the main role of mass transfer The mesh
·A computational fluid dynamics CFD model was used to predict the flow patterns and hydraulics of a commercial scale sieve tray The model considers the 3 D two phase flow of gas and liquid in which each phase is treated as an interpenetrating continuum having separate transport equations
·sieve plate and bubble plate column is shown in Figure 1 It consists of a cm diameter column meters high constructed from transparent plastic into which have been inserted two sieve plates and a bubble cap plate Each plate has a segmented downcomer and a cm weir The top plate is a sieve plate of conventional design
·To best replicate industrial PSEC unit operations found in the nuclear reprocessing industry the geometry used in this investigation was designed using generic sizing constraints taken from Logsdail and Slater 1991 in The Handbook of Solvent Extraction which provides a range of dimensions for previously operational PSECs The dimensions of this
·The plate where the bubble is generated is made of stainless steel because most of the industrial sieve plates use this material or its alloys Moreover according to several authors Lin et al 1994; the behaviour of the growing bubble is different whether the plate is made of metal or plastic This work will deal with this matter because
·The design aspects of pulsed sieve plate columns have been studied The pregnant leach solution was produced through pressure leaching of an industrial sphalerite concentrate that contained zinc iron copper indium and other minor elements Bench scale studies on solvent extraction have been carried out for selecting the composition of