design of reactive distillation columns

... Part 111 QUANTITATIVE DESIGN OF DISTILLATION CONTROL SYSTEMS Approaches to Quantitative Design Chapter 12 12.1 12.2 12.3 12.4 12.5 Ways of Designing Control Systems Kinds of Information Available ... Side-Draw Columns with Small Sidestreams Composition Control of Side-Draw Columns An Improved Approach to Composition Control of SideDraw Columns Prefiactionator Plus Sidestream Drawoff Column ... system design since about 1950 was the evolution of a substantial body of theory and mathematics, plus a large catalog of control system studies Together, these permit quantitative design of most...

Ngày tải lên: 01/04/2014, 11:24

... methods used in reactive distillation 72 4.1 Design problem statement in reactive distillation 81 4.2 Categories of information resulting from the design process in reactive distillation ... performances of the design alternatives 1.4 Scope of Research During the course of this PhD thesis we deal with the design of grassroots reactive distillation processes At this high level of aggregation, ... the line of chemical equilibrium 20 Fundamentals of Reactive Distillation A Stoichiometric lines Residue lines K RAz Loci of reactive azeotropes B C Figure 2.3 Graphical determination of reactive...

Ngày tải lên: 01/04/2014, 11:24

... (mr = 1, me > 2) 7.5 Design Calculation of “Petlyuk Columns and of Columns with Side Sections 7.5.1 Design Calculation of “Petlyuk Columns 7.5.2 Design Calculation of Columns with Side Sections ... with Software References Basic Concepts of Distillation 2.1 Purpose and Process Essence of Distillation 2.1.1 Description of Distillation Process 2.1.2 System of Algebraic Equations of Distillation ... to problems of flowsheet synthesis and to optimal design calculations DistillDesigner software allows refinement and confirmation of the algorithms of optimal design A sample of this software is...

Ngày tải lên: 01/04/2014, 11:27

... citations in reactive distillation design and a mere six in reactive distillation control From 1995 to 2007 there were 435 citations in reactive distillation design and 106 in reactive distillation ... and reactive distillation are presented Reactive distillation columns in isolation and in plantwide systems are considered There are many parameters that affect the design of a reactive distillation ... the U.S Patent Of ce using the following keywords: reactive distillation, catalytic distillation, catalytic reactive distillation, reactive rectification, reactive separation, reactive packing,...

Ngày tải lên: 01/04/2014, 11:30

... hydraulic behaviour of packed columns for the development of a new method for the standard presentation of the fluid dynamics of columns with any type of packing design The basic principles of the method ... Jerzy Ma´ kowiak c Fluid Dynamics of Packed Columns Jerzy Ma´ kowiak c Fluid Dynamics of Packed Columns Principles of the Fluid Dynamic Design of Columns for Gas/Liquid and Liquid/Liquid ... number Froude number of liquid Froude number of liquid Froude number of liquid Reynolds number of liquid Reynolds number of liquid Reynolds number of droplet modified Reynolds number of vapour or gas...

Ngày tải lên: 02/04/2014, 14:41

... Click the Design menu > Steel Frame Design > Start Design/ Check of Structure command or the Start Steel Design/ Check of Structure button, to start the steel frame design process The program designs ... Click the Design menu > Steel Frame Design > Start Design/ Check of Structure command or the Start Steel Design/ Check of Structure process button, to start the steel frame design G When the design ... and design sections match This may take numerous iterations depending upon the complexity of the model H When the analysis and design sections are the same, click the Design menu > Steel Frame Design...

Ngày tải lên: 06/09/2012, 15:56

... title of the window reads YZ Plane @ X=24 This same title also occurs on the left-hand side of the status bar at the bottom of the SAP2000 window Click the roof level beam on the left side of the ... enter Select Mode 24 Click the roof beam at the top of the braced frame to select it Also click the joint at the top of the chevron brace (center of braced frame roof beam) to select it 25 From ... side of the point where you clicked SAP2000 Web Tutorial 18 Thus click the ten locations designated by an O in Figure C-9 to draw some of the roof level beams Figure C-9: Quick Drawing Roof Level...

Ngày tải lên: 06/09/2012, 15:56

... being designed for a small office building with a total live load of 250 kips and dead load of 500 kips Find: (a) the depth Df for a fully compensated foundation, (b) the depth Df if a soft clay ... in some areas of the central and western United States Photograph of the construction of the mat foundation for the new Century Hotel in San Francisco (1999) Having had 25 feet of dredge spoils ... for the top bars Applying Example Design the steel lying in the East-West direction of the mat shown below with external dimensions of 42 feet by 74 feet The columns are all 15”by 15”, the LF...

Ngày tải lên: 16/10/2012, 10:43

... the strength design philosophy for the design of concrete structures, and load and resistance factor design (LRFD) for the design of steel structures Readers of the first edition of this book ... Dr Taly is the author of Loads and Load Paths in Buildings: Principles of Structural Design and Design of Modern Highway Bridges He is a co-author of Reinforced Concrete Design with FRP Composites ... cross-sectional area of member, in.4 (mm4) Ieff = effective moment of inertia of member, in.4 (mm4) Ig = moment of inertia of gross (or uncracked) cross-sectional area of member, in.4 (mm4) j = ratio of distance...

Ngày tải lên: 17/08/2013, 11:41

... micro-fuel cells in terms of design, materials, effective transport of reactants, and heat management The development of physically representative models that allow reliable simulation of the processes ... for the design and optimization of future fuel cells to improve their lifetime with a much higher power density and lower cost The analysis offers valuable physical insight towards design of a cell ... performance and design of air-breathing PEM fuel cells Litster and Djilali [1] developed a single-phase one-dimensional semi-analytical model of the membrane electrode assembly (MEA) of planar air-breathing...

Ngày tải lên: 05/09/2013, 14:58

... reflects the influence of the operating parameters on fuel cell performance to investigate the in situ total displacement and degree of the deformation of the polymer membrane of PEM fuel cells The ... decreases with increasing of the cell operating pressure This is because of the exchange current density of the oxygen reduction reaction increases with increasing of the cell operating pressure ... International Journal of Energy and Environment IJEE, 2010; 1(2), 183-198 [5] Chun-Hua Min Performance of a proton exchange membrane fuel cell with a stepped flow field design Journal of Power Sources,...

Ngày tải lên: 05/09/2013, 14:58

... micro-fuel cells in terms of design, materials, effective transport of reactants, and heat management The development of physically representative models that allow reliable simulation of the processes ... for the design and optimization of future fuel cells to improve their lifetime with a much higher power density and lower cost The analysis offers valuable physical insight towards design of a cell ... performance and design of air-breathing PEM fuel cells Litster and Djilali [1] developed a single-phase one-dimensional semi-analytical model of the membrane electrode assembly (MEA) of planar air-breathing...

Ngày tải lên: 05/09/2013, 14:58

... 10.3 Design of Soft-NC System 10.3.1 Design of Task Module 10.3.2 Design of the System Kernel ... composed of two parts with a total of 11 chapters: Part I is composed of Chapters 1–6 on the principle and design of CNC, and Part II is composed of an open-architectural soft CNC system Specifically, ... invented the method of automatic control of the weaving of fabrics with a loom machine by using punch cards and this method was the beginning of the concept of NC The concept of NC was actually...

Ngày tải lên: 08/09/2013, 20:50

Ngày tải lên: 17/10/2013, 19:15

... Equivalent circuit of a inductor Measurement of the characteristics Transformer of alimentation Design Transformer of audiofrecuency Transformer of pulses Design Inductors of filter with continuous ... voltage of PINCH-OFF or "strangulation of the channel" defined in the curves of exit of the transistor, whose module agrees numerically with the voltage of cut in the curves of input of the transistor ... inductance of reflected dispersion of the secondary resistance of the copper of the wire of the primary resistance of the copper of the wire of the secondary resistance of losses for Foucault and hysteresis...

Ngày tải lên: 23/10/2013, 16:15

... Equivalent circuit of a inductor Measurement of the characteristics Transformer of alimentation Design Transformer of audiofrecuency Transformer of pulses Design Inductors of filter with continuous ... voltage of PINCH-OFF or "strangulation of the channel" defined in the curves of exit of the transistor, whose module agrees numerically with the voltage of cut in the curves of input of the transistor ... inductance of reflected dispersion of the secondary resistance of the copper of the wire of the primary resistance of the copper of the wire of the secondary resistance of losses for Foucault and hysteresis...

Ngày tải lên: 27/10/2013, 16:15

Ngày tải lên: 07/11/2013, 09:15

... ? Architecture of an Embedded USB Device ? USB Device Driver Architecture ? Case Study of a USB Device Driver ? Testing Strategies ? Issues to consider ? Conclusions 13 Types of USB Controllers ... Architecture of an Embedded USB Device ? USB Device Driver Architecture ? Case Study of a USB Device Driver ? Testing Strategies ? Issues to consider ? Conclusions 19 Architecture of an Embedded ... Utilize USB Organizations Test Resources 45 Analyzer View 46 23 Host Software Testing Strategies ? Schedule availability of Host software –USB mini-driver –Host Test Application ? Request Host Test...

Ngày tải lên: 13/12/2013, 00:15

... the depth of penetration of the piling or by a combination of penetration and anchor position for an anchored wall Because of the complexity of behavior of the wall/soil system, a number of simplifying ... total length of the sheet piling (ft) ep = eccentricity of the point of application of P from the centroidal axis of the piling (may be positive or negative) E = modulus of elasticity of the pile ... Modes of Failure 5-1 Design for Rotational Stability 5-2 5-1 5-1 Chapter Structural Design Forces for Design 6-1 Deflections 6-2 Design of...

Ngày tải lên: 13/12/2013, 11:15

... used as VFKHGXOLQJ YDULDEOHV that govern the change of the controller parameters, often by means of a table look-up Whether a fuzzy control design will be stable is a somewhat open question Stability ... example of a controller that finds the rules itself Neural networks is another possibility There is no design procedure in fuzzy control such as root-locus design, frequency response design, ... rules and not a mixture of connectives Incidentally, a fuzzy rule with an RU combination of terms can be converted into an equivalent DQG combination of terms using laws of logic (DeMorgan’s laws...

Ngày tải lên: 23/12/2013, 02:17