The filtering hydrocyclone is a solid-liquid separation device patented by the Chemical Engineering Department at the Federal University of Uberlândia, which consists of a hydrocyclone whose conical section was replaced by a conical filtering wall. The objective of this work is to compare the performances of the filtering hydrocyclones designed by …
DetailsTable 1: K, B and C parameters and Euler number for Bradley's and Rietema's conventional designs. Design K B C Eu Bradley 0.016 54.6 2.61 7000 Rietema 0.039 145 4.75 1200 For a specific hydrocyclone design, this author considers that the relationship between static pressure drop through the cyclone -∆P) and dynamic pressure,(
DetailsIn a series of papers correlations are developed for the pressure drop and the separating power of hydrocyclones and rules for establishing the optimum design of …
Details"A critical assessment is presented for the existing numerical models used for the performance prediction of hydrocyclones. As the present discussion indicates, the flow inside a hydrocyclone is quite complex and there have been numerous numerical studies on the flows and the particle motions in hydrocyclone, with a wide range of turbulence and …
DetailsPerformance and design of hydrocyclones—II : Pressure drop in the hydrocyclone Author links open overlay panel K. Rietema, Shell Internationale Research Maatschappij Show more
DetailsDOI: 10.1016/J.CEJ.2008.01.010 Corpus ID: 94120009; Studies on the understanding mechanism of air core and vortex formation in a hydrocyclone @article{Gupta2008StudiesOT, title={Studies on the understanding mechanism of air core and vortex formation in a hydrocyclone}, author={R. Gupta and M. D. Kaulaskar and V. …
DetailsData on hydrocyclones performance for pre-filtering of irrigation water can be found in the literature, but research data in Brazil are scarce. Therefore, four Rietema type hydrocyclones (50 mm diameter) were constructed, one with circular-end and the other three presenting rectangular-end feeding tubes.
DetailsThe Table 3 demonstrates that similar ranges of the filtering medium resistances were used to Bradley and Rietema hydrocyclones. In the studied operational conditions, the P filtering hydrocyclone was the most permeable device while the B1 filtering hydrocyclone presented the smallest permeability. ... Rietema, K., Performance and Design of ...
DetailsAbstract The de-oiling hydrocyclone is a device for liquid–liquid separation and production water cleanup. Significant progress has been made in the development of such a device since its first introduction and use in the late 1970s. The present article is a literature review of development and research work performed so far on de-oiling …
DetailsEmpirical models are now used for predicting the performance of hydrocyclones in terms of capacity, cut size (d50,c), water split and partition curve. These models (such as the …
DetailsA performance chart that can be used for selection and design of hydrocyclones is the result of the model. General terends in the underflow and inlet flow rate with underflow pipe diameter in ...
DetailsA simple procedure for design and performance prediction of Bradley and Rietema hydrocyclones. L. Castilho R. Medronho
DetailsDOI: 10.1016/0009-2509(61)85034-3 Corpus ID: 91696517; Performance and design of hydrocyclones—II : Pressure drop in the hydrocyclone @article{Rietema1961PerformanceAD, title={Performance and design of hydrocyclones—II : Pressure drop in the hydrocyclone}, author={K Kornelis Rietema}, …
DetailsAuthor links open overlay panel K. Rietema 1, Shell Internationale Research Maatschappij. Show more ... are developed for the pressure drop and the separating power of hydrocyclones and rules for establishing the optimum design of hydrocyclones are derived. ... Because hydrocyclone wall wear affects the separation performance and …
DetailsThe experimental results obtained with the filtering hydrocyclones under the same operational conditions as those used with the conventional device allow the conclusion …
DetailsPerformance and design of hydrocyclones-IV. Design of hydrocyclones Rietema, K. Abstract. This is the fourth part of a series of papers on hydrocyclones. In Part I general considerations were presented, in Part II a pressure drop correlation was given, while in Part III a cyclone separation number was derived whose value was determined ...
DetailsMany researches investigated hydrocyclones design and . operation using simulation by CFD . ... [19] Rietema, K., " Performance and design of . hydrocyclones ", Chemical Engineering Science,
DetailsIn this paper rules are given that enable hydrocyclones to be designed for any separation problem in which the size of the particles to be separated is known. Constructional …
DetailsDOI: 10.1016/S0892-6875(99)00164-8 Corpus ID: 109266777; A simple procedure for design and performance prediction of Bradley and Rietema hydrocyclones @article{Castilho2000ASP, title={A simple procedure for design and performance prediction of Bradley and Rietema hydrocyclones}, author={Leda R. Castilho and …
DetailsPerformance Analysis and Design 145 Brazilian Journal of Chemical Engineering Vol. 22, No. 01, pp. 1 43 - 152, January - March, 2005 Table 1: K, B and C parameters and Euler number for Bradley's
DetailsA performance chart is developed for hydrocyclones by undertaking the modified equivalent area model that can be used in hydrocyclone design applications. The developed performance chart is validated and is shown to be capable of predicting the hydrocyclone performance over a wide range of hydrocyclone flow rates and separation …
DetailsThe reduced total efficiency E T ′ and the total efficiency E T can be calculated based on, . (10) E T ′= ∫ 0 1 G′ d y (11) E T ′= E T −R w 1−R w The model described by,, can be used either in design or in performance prediction of hydrocyclones of a given geometry. The problem posed here is that hydrocyclones …
DetailsRietema's filtering hydrocyclones had a lower volumetric feed flowrate than the conventional device and Bradley's filtering hydrocyclones showed increases in this same variable. In
DetailsRietema's filtering hydrocyclones had a lower volumetric feed flowrate . ... Rietema, K., Performance and Design of. Hydrocyclone. Chemical Engineering Science, 15, pp. 298-325 (1961).
DetailsAnother geometric parameter which has been used to quantify swirl intensity is the swirl number [50,52,53]. While the present hydrocyclone presents a swirl number of 1.37, Rietema hydrocyclones [6 ...
DetailsRietema's filtering hydrocyclones had a lower volumetric feed flowrate than the conventional device and Bradley's filtering hydrocyclones showed increases in this same variable. In both designs, overall efficiency was influenced by …
DetailsPlitt LR, Flintoff BC, Stuffco (1978) Roping in hydrocyclones. In: Wood P (ed) Proceedings of the 3rd international conference on hydrocyclones, Oxford, BHRA. Elsevier, Amsterdam, paper A-3, p 21–34. Google Scholar Rietema K (1961) Performance and design of hydrocyclones, Part I to IV. Chem Eng Sci 15:298–325
DetailsThe Design guides for hydro cyclones, originally made by Rietema, have been extended and now include all relevant liquid and particle properties, such as particle concentration.
DetailsHydrocyclones are an important class of solid/liquid separation equipments. In this work, three Bradley hydrocyclones with 15,30 and 60 mm diameters were used. Aqueous suspensions of calcium carbonate, with volumetric concentration ranging from 0% to 10% were tested. Based on the experimental results, it was possible to obtain correlations for …
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DetailsKnowledge of the pattern of solid/liquid ratio distribution within a hydrocyclone is very important for reliable design and efficient operation. This pattern was examined using a …
DetailsThe aim of the present work is therefore to propose a simple procedure for the design of Bradley and Rietema hydrocyclones. The procedure to be presented also allows the performance prediction of such equipments. ... A mathematical model of the hydrocyclone classifier, CIMBulletin, 1976, 69 (Dee.), 114-123. Rietema, K., Performance and design ...
DetailsRietema, K. (1961a). "Performance and design of hydrocyclones-I: General considerations." Chemical Engineering Science, Vol. 15, Nos ... Article Google Scholar Rietema, K. (1961b). "Performance and design of hydrocyclones-II: Pressure drop in the hydrocyclone." Chemical Engineering Science, Vol. 15, pp. 303–309, DOI: …
DetailsRietema's filtering hydrocyclones had a lower volumetric feed flowrate than the conventional device and Bradley's filtering hydrocyclones showed increases in this same variable.
DetailsA simple procedure for design and performance prediction of Bradley and Rietema hydrocyclones . × Close Log In. Log in with Facebook Log in with Google. or. Email. Password. Remember me on this computer. or reset password. Enter the email address you signed up with and we'll email you a reset link. ...
DetailsPerformance and design of hydrocyclones—IV: Design of hydrocyclones. K. Rietema. Engineering. 1961; 53. Save. Hopscotch: a Fast Second-order Partial Differential Equation Solver. A. Gourlay. Mathematics. 1970; An idea of Gordon for the numerical solution of evolutionary problems is reformulated and shown to be equivalent to a Peaceman ...
DetailsThis is probably due to the lack of a simple procedure for hydrocyclone design. In the present work a procedure is presented, which allows the design and performance prediction of hydrocyclones that follow Bradley and Rietema recommended geometries, that are the only two well-known families of geometrically similar …
Detailsd for selection and design of . hydrocyclones. is the result of the model. ... that can be used for developing a performance chart. Rietema [13] ... called Rietema's optimum design [13].
DetailsPE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
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