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Author: Andrei D. Polyanin Publisher: CRC Press ISBN: 1420024515 Category : Science Languages : en Pages : 409
Book Description
Hydrodynamics, Mass and Heat Transfer in Chemical Engineering contains a concise and systematic exposition of fundamental problems of hydrodynamics, heat and mass transfer, and physicochemical hydrodynamics, which constitute the theoretical basis of chemical engineering in science. Areas covered include: fluid flows; processes of chemical engineeri
Author: Andrei D. Polyanin Publisher: CRC Press ISBN: 1420024515 Category : Science Languages : en Pages : 409
Book Description
Hydrodynamics, Mass and Heat Transfer in Chemical Engineering contains a concise and systematic exposition of fundamental problems of hydrodynamics, heat and mass transfer, and physicochemical hydrodynamics, which constitute the theoretical basis of chemical engineering in science. Areas covered include: fluid flows; processes of chemical engineeri
Author: Subrata Kumar Majumder Publisher: CRC Press ISBN: 1351249851 Category : Science Languages : en Pages : 244
Book Description
Slurry bubble column reactors are intensively used as a multiphase reactor in the chemical, biochemical, and petrochemical industries for carrying out reactions and mass transfer operations in which a gas, made up of one or several reactive components, comes into contact or reacts with a liquid. This volume describes the hydrodynamics of three-phase gas-liquid-solid flow in a downflow slurry bubble column. The efficiency of the downflow gas interacting system is characterized by the self-entrainment of secondary gas. The book covers the gas entrainment phenomena, gas holdup characteristics, pressure drop, gasliquid mixing characteristics, bubble size distribution, interfacial phenomena, and the mass transfer phenomena in the downflow slurry system. This volume will be useful in chemical and biochemical industries and in industrial research and development sectors, as well as in advanced education courses in this area. The book will be helpful for further understanding the multiphase behavior in gas interacting multiphase systems for research and development. The hydrodynamic and mass transfer characteristics discussed will be useful in the design and installation of the modified slurry bubble column in industry for specific applications.
Author: Fadi Hanna Publisher: LAP Lambert Academic Publishing ISBN: 9783659491672 Category : Languages : en Pages : 104
Book Description
A bauble column (BC) is a gas - liquid contactor used to achieve mass transfer between liquid & gas. It has a wide range of applications in chemical & process engineering. The gas hold- Up (Eg) & the volumetric liquid phase mass transfer coefficient (KLa) were studied experimentally in the present work by using ethanol - water mixture as liquid phase & air as a gas phase. The study was developed to express the effects of the process variables on Eg & KLg the exponential work was designed for this purpose in the following experimental range: 1.Weight percent of ethanol in water (0- 0.8) Wt%. 2.Superficial gas velocity of air (0.01-0.11) m/s. 3.Operation temperature (26-27) C. 4.Operating pressure (1x 105 - 6x105) N/m2"
Author: T. Hobler Publisher: Elsevier ISBN: 1483155676 Category : Technology & Engineering Languages : en Pages : 542
Book Description
Mass Transfer and Absorbers deals with absorption and mass transfer processes and the factors to consider in designing absorbers. Calculations are supported by a uniform, generalized process driving force, complying with Maxwell's equation, and the coefficients are made as independent as possible in terms of the kind of diffusion and of the values of the concentrations. This volume is comprised of seven chapters and begins with an overview of the general principles of diffusional mass transfer, absorption and stripping, and equilibrium between gas and liquid phases. Steady-state mass transfer by diffusion is then discussed, along with mass transfer in a single phase (forced flow and unforced flow). Subsequent chapters explore design considerations for mass transfer equipment and related problems; adsorption accompanied by a chemical reaction; and problems relating to hydrodynamics. The final chapter is devoted to some practical issues, including economic flow velocity and mechanical features of packed, plate, and spray tower designs. This book is intended for practicing designers and engineers.
Author: C.B. Boyadjiev Publisher: Elsevier ISBN: 0080537707 Category : Science Languages : en Pages : 515
Book Description
Surveyed in this book are the kinetics of non-linear mass transfer and its effects on hydrodynamic stability in systems with intensive interphase mass transfer, in electrochemical systems with high current density and in chemically reacting systems. In Part 1 the non-linear mass transfer as a result of an intensive interphase mass transfer in the gas (liquid)-solid surface, gas-liquid and liquid-liquid systems is considered in the duffusion boundary layer approximation as well as in flat channel taking the longitudinal diffusion into account. The influence of the direction of the intensive interphase mass transfer on heat transfer and multi-component mass transfer is illustrated. Part 2 discusses non-linear mass transfer in electrochemical systems with high current density using the examples of the anode dissolving of metals in the electrolyte flow and the electro-separation of metals out of concentrated solutions. The theory of the measured electrochemical treatment of metals and alloys, which is a method of wide practical use, has been elaborated on this basis. In Part 3 the non-linear mass transfer in chemically reacting systems is considered in the cases of: non-linearity of the equations of the chemical reaction's kinetics and intensive interphase mass transfer or thermo-capillary effect due to chemical reactions. On this basis, the mechanisms and the macro-kinetics of the chemical transformations in the gas-liquid systems are discussed. Part 4 is dedicated to the chemical reaction kinetics in stationary two phase systems at an arbitrary contact time between phases. In Part 5 the effects of concentration gradients are considered in the approximations of the linear theory of the hydrodynamic stability of almost parallel flows. In systems with intensive interphase mass transfer, the Marangoni effect could also be observed, beside the effect of non-linear mass transfer. A comparative analysis of both effects is made in this book.
Author: Regina R. Usmanova Publisher: Nova Publishers ISBN: 9781604564006 Category : Science Languages : en Pages : 122
Book Description
The monograph is devoted to modern methods of calculation and the designing of devices of vortical type providing realisation of effective processes of division and mass transfer. In the book the designs of vortical devices are considered, the available experimental material on research of de-dusters is systematised. Interaction of structure of current of a liquid and gas with design parameter of the device is revealed, the generalised characteristics of hydrodynamics of streams are offered. The extensive experimental material on regimes of movement of a liquid film in the device as empirical dependencies is generalised. Methods of calculation of efficiency mass transfer in devices of the vortical type, taking into account aerohydrodynamical laws of stream of gas and a liquid are offered. Results of the work can be used development and designing of vortical devices for processes for dust separation.
Author: Andrei D. Polyanin
Author: Andrei D. Polyanin
Author: Geert Feye Woerlee
Author: Houman Shirzadi
Author: 
Author: Subrata Kumar Majumder
Author: Fadi Hanna
Author: T. Hobler
Author: C.B. Boyadjiev
Author: Dennis Keith Harris
Author: Regina R. Usmanova