richardson apos s chemical engineering volume 2

... operates by trapping swell of the ocean inside its partly submersed collector vessels As the swell rises and falls www.elsolucionario.net GLOSSERY OF TERMS IN CHEMISTRY AND OTHERS 20 9 inside collector, ... (lLV), T-ISI 113 Sensible heat storage, materials for, T-181 128 TypicaJ AnaJysis of single super phosphate, T-1 42 110 Preservatives conc in processed foods, T- IS2 114 Density of plastics, T- 160 ... depends on various factors viz conc of solute in soln differential press across membrane, and membrane properties A small qty of solvent also passes 147 Cryogenic gas–It is defined as the gas whose

Ngày tải lên: 06/10/2021, 20:09

... = volume of vessel plus volume of piping between vessel and pump; S 0 = system speed as given by Eq. (6-80), assumed independent of pressure; p 1 = initial vessel pressure; p 2 = final vessel ... elevation. Losses in the fittings of a piping network are frequently termed minor losses or miscellaneous losses. These descriptions are misleading because in process piping fitting losses are often ... A 2 V 1 2 ᎏ 2 V 1 2 − V 2 2 ᎏ 2 D 2 ᎏ D 1 1 ᎏᎏ 6 tan (α /2) 32V 2 ᎏ D 2 D 2 ᎏ D 1 1 ᎏᎏ 6n tan (α /2) 8V 2 ᎏ D 2 3n + 1 ᎏ 4n 35°. For angles greater than 35 to 45°, the losses are normally consid-

Ngày tải lên: 06/08/2014, 13:22

... độ s? ?u z hàm chênh lệch áp suất bề mặt tự bã P áp suất Pz độ s? ?u đó, tức e z hàm (P1 – P2) Hình 7 .2 : Dòng lỏng qua bã bị nén ép Với bã chịu nén ép, phương trình 7.1 viết thành: ez - hàm độ s? ?u ... coi s? ?? Bởi vậy: Ở đây: Phương trình (7 .2) phương trình lọc r trở lực riêng phần, phụ thuộc e S Với bã không nén ép, r s? ??, phụ thuộc chất hạt, lực tương tác hạt r có thứ nguyên L -2 có đơn vị m -2 ... hạt, lực tương tác hạt r có thứ nguyên L -2 có đơn vị m -2 hệ SI 7 .2. 2 Mối quan hệ bề dày bã thể tích lọc Lượng rắn bã = (1-e)Al? ?S, ? ?S khối lượng vật chất rắn Lượng lỏng bã lọc = eAlρ, ρ khối lượng

Ngày tải lên: 22/02/2018, 08:34

... benzene present by cooling to 28 3 K and compressing to a suitable pressure What must this pressure be? Vapour pressures of benzene: at 29 7 K D 12. 2 kN/m2 : at 28 3 K D 6.0 kN/m2 Solution See Volume ... 4. 52 ð 10 Thus, mass velocity G D 0.9/ 4. 52 ð 10 At 325 K, 2 /4 1 .2 ð 10 D 1.131 ð 10 m2 m2 D 19.9 kg/m2 s D 0.0198 mN s/ m2 or 1.98 ð 10 N s/ m2 Cp D 1.0 ð 103 J/kg K Thus: hi ð 1 .2 ð 10 2 / 2. 9 ... air Thus the flow of dry air D 0.010/18 / 1 /29 D 0.016 3.0 D 2. 9 52 m3 /m2 s Density of air at 29 5 K D 29 /22 .4 27 3 /29 3 D 1.198 kg/m3 and mass flow of dry air D 1.198 ð 2. 9 52 D 3.537 kg/m2 s Liquid

Ngày tải lên: 19/05/2017, 08:11

... of N 2 mole fraction in liquid phase and its diffusion coefficient in N 2 -oil diffusion experiment 2. 22 2 .23 2. 24 2. 25 2. 26 2. 27 2. 28 2. 29 2. 30 20 .1 18.4 17.6 17.0 16.5 16.0 15.5 pressure ... viscous brittle structure, Mass Transfer in Chemical Engineering Processes 22 and rubbery, less viscous and more mobile structure, states. The rubbery state ( g TT ), represents a liquid-like ... former systems, after a short time, goes to be steady-state, and in the later systems, in all the time, is doing under unsteady-state situation. The first and the second Fick? ?s laws are the basic

Ngày tải lên: 18/06/2014, 22:20

... club houses. Kinship Kin Groups and Descent. There are three kinds of kin groups on Nend6: domestic groups; dispersed descent groups (sibs); and men ' s associations. A men ' s association ... psychological disorders and unusual diseases Because the Christian God is a spirit, people assume that when he is offended he too causes psychological disorders and serious diseases Religious ... alliances between men ' s associations of different districts made it possible for men to cross the boundaries. Trade moved along these lines of men ' s associa- tion alliances, each association

Ngày tải lên: 02/07/2014, 17:20

... multiple species % requires the odes be in function ' exampleode ' % define as global any variables used by any % and all subroutines, functions global k1 k2 % Set parameters, k1 = 2; k2 = ... mathematical expressions of the inputargs. In many cases these expressions will be matrix expressions, and the arguments passed matrices. Save the function with the same file name as the functnam, ... 3* (s( 1) + 4 *s( 2) + 7; f(3) = 4 *s( 2) + s( 3) + 3; and save it. Note that the output argument of this equation is zero. Next use fsolve( ' functnam ' ,guess), where functnam is the name of

Ngày tải lên: 06/08/2014, 13:22

... it is inherently easy to remove, then use of electrolytic sodium sulfate or electrolytically assisted sulfuric and nitric acids may be sufficient Use of these liquors should result in less base-metal ... continuous lines is the cascade rinse system (Ref 16). Several rinse compartments are used, and fresh water is added to the last compartment. The solution in that compartment cascades over weirs into ... scale breaking on pickling rates was studied in a series of laboratory tests with nonstirred solutions (Ref 24 ). It was found that the time required for scale removal decreases with increases

Ngày tải lên: 10/08/2014, 12:22

... electronic schematics and block diagrams It covers the major symbols used and provides several examples of reading these types of drawings Module - Logic Diagrams This module introduces the basic symbols ... symbols and common conventions used on logic diagrams It explains how logic prints are used to represent a component 's control circuits Truth tables are also briefly discusses and several examples ... various dimensions and their tolerances must be provided by the drawing Drawings usually denote dimensions and tolerances per the American National Standards Institute (ANSI) standards These standards

Ngày tải lên: 10/03/2016, 11:28

... If posted on a course web-site, the site must be password protected and for use only by the students in the course Reproduction and/or distribution of the solutions beyond classroom use is strictly ... This is to facilitate maximum flexibility for instructors who may wish to share answers to some but not all exercises with their students • If you are assigning only the A-parts of exercises in ... or school-approved learning management system for classroom use 2B.4 Choice Sets That Arise from Endowments • Sometimes, money that can be devoted to consumption is not exogenous, but arises

Ngày tải lên: 20/08/2020, 10:40

... dry gas CO + 0.5O2 → CO2 Reactions: H2 + 0.5O2 → H2O CH4 + 2O2 → CO2 + 2H2O C2H6 + 3.5O2 → 2CO2 + 3H2O C6H6 + 7.5O2 → 6CO2 + 3H2O REACTANTS Nat Gas O2 PRODUCTS CO2 H2O CO2 CO 16 H2 50 25 CH4 ... purging systems Discuss with vendors of such systems GENERATION OF POSSIBLE DESIGNS Types of purge gase used: Argon, helium, combustion gases (CO2 + H2O), nitrogen and steam Need to consider: cost, ... [2( -393.77) + 3( -24 2.00)] – (-84.74) = -1 428 .8 kJ mol-1 C2H6 C2H4 + 52. 33 → 6O2 2CO2 + 2H2O -393.77 -24 2.00 ΔHR = [2( -393.77) + 2( -24 2.00)] – 52. 33 = -1 323 .87 kJ mol-1 C2H4 C6H6 82. 98 + 7½O2 → 6CO2 + -393.77...

Ngày tải lên: 01/04/2014, 11:16

... and suspension consisting only of small particles, and a second interface separates the suspension of fines from the mixed suspension Using a suitable model for the behaviour of the system, estimate ... Evaporation 2- 15 Crystallisation 2- 16 Drying 2- 17 Adsorption 2- 18 Ion exchange 2- 19 Chromatographic separations 14 34 39 44 59 76 79 83 98 150 171 181 21 6 22 2 23 1 23 4 23 5 Solutions to Problems in Volume ... is: SO3 6.6, SO2 1.7, O2 10.0, N2 81.7 mole per cent and its exit composition is: SO3 8 .2, SO2 0 .2, O2 9.3, N2 82. 3 mole per cent The gas flowrate is 0.68 kg/m2 s Calculate the pressure drop through...

Ngày tải lên: 01/04/2014, 11:15

... 26 59.5 26 67.6 26 75.6 26 91.1 27 05.9 27 20.1 27 33.4 27 45.9 27 57.4 27 67.9 27 77 .2 2785.3 27 92. 0 27 97.3 28 00.9 28 02. 9 28 03.0 28 00.9 27 96.6 27 89.7 27 79.9 27 66.7 27 49.6 27 27.9 27 00.6 26 66.0 26 21.8 25 63.6 0.0000 ... 123 6.9 129 0.0 1345.0 14 02. 2 14 62. 2 1 525 .9 1594.5 1670.9 25 00.9 25 10.1 25 19 .2 2 528 .3 25 37.4 25 46.5 25 55.5 25 64.5 25 73.5 25 82. 4 25 91.3 26 00.1 26 08.8 26 17.5 26 26.1 26 34.6 26 43.0 26 51.3 26 59.5 26 67.6 ... geometries, such as needle-shaped cylinders and thin strips, are also sometimes used for transient measurements DK 220 4_book.fm Page 27 Monday, October 20 , 20 08 2: 15 PM Physical and Chemical...

Ngày tải lên: 01/04/2014, 10:12

... the shear stress is less than the yield stress RY and flows like a Newtonian fluid when the shear stress exceeds RY Examples of Bingham plastics are many fine suspensions and pastes including sewage ... RA ds or: d sD sds l A A Integrating: us A D P s2 Al RA s C k1 A P s2 RB s C k2 l A B where RB is the shear stress at the centre plane on B Similarly for B: us B D 24 CHEMICAL ENGINEERING VOLUME ... the same fluid, that is the same viscosity and density: 5 2 P2 /P1 D1 N3 /D2 N3 D D1 N1 /D2 N2 3 or: P2 /P1 D N2 D2 / N2 D1 In this case, N1 D N2 and D2 D 2D1 ∴ 3 P2 /P1 D 8D1 /D1 D A similar solution...

Ngày tải lên: 01/04/2014, 11:16

... mass of adsorbate (g) 2. 4 Desorption study Desorption experiments were performed to consider the practical usefulness of the biosorbents After the biosorption studies, 0 .2 g of metal loaded sorbent ... at 25 °C, us (condition: 20 mg L−1 of Cd(II) solution, 25 0 rpm, g L−1 adsorbent dosage) an 3.6 Adsorption isotherms The equilibrium isotherm study is very essential for designing adsorption systems ... increases while the rate constant of adsorption (k2ad) decreases A similar observation was also reported by some earlier researchers [49] The observed decrease in the rate constants with an increase...

Ngày tải lên: 19/07/2016, 21:32

... and suspension consisting only of small particles, and a second interface separates the suspension of fines from the mixed suspension Using a suitable model for the behaviour of the system, estimate ... Evaporation 2- 15 Crystallisation 2- 16 Drying 2- 17 Adsorption 2- 18 Ion exchange 2- 19 Chromatographic separations 14 34 39 44 59 76 79 83 98 150 171 181 21 6 22 2 23 1 23 4 23 5 Solutions to Problems in Volume ... is: SO3 6.6, SO2 1.7, O2 10.0, N2 81.7 mole per cent and its exit composition is: SO3 8 .2, SO2 0 .2, O2 9.3, N2 82. 3 mole per cent The gas flowrate is 0.68 kg/m2 s Calculate the pressure drop through...

Ngày tải lên: 04/06/2014, 13:18

... 28 8 Fluidisation 29 1 6.1 CHARACTERISTICS OF FLUIDISED SYSTEMS 29 1 6 .2 LIQUID-SOLIDS SYSTEMS 3 02 6.3 GAS-SOLIDS SYSTEMS 315 6.4 GAS-LIQUID SOLIDS FLUIDISED BEDS ... also of expressing the values of all the physical properties and characteristics of the systems in the SI System of units, as has already been done in Volumes and The SI system, which is described ... particle such that its mass or its surface or its length is the mean value for all the particles in the system In the following discussion it is assumed that each of the particles has the same shape...

Ngày tải lên: 01/04/2014, 11:16

... layouts .199 pseudo-flash .20 5 horizontal scrolling .21 0 one-page 21 4 193 tabs 22 1 buttons 22 5 form elements 22 9 helpful homepages .23 6 functional footers 24 0 homepage slide shows ... was a good one for web design We saw many of the web 2. 0 fads fade, such as frivolous badges and an insatiable use of glossy designs; in their place, a refined style with a sense of purpose has ... 109 iphone as flourish 114 social media links 119 icons . 123 typographic 129 photographic backgrounds 135 05 / sites by styles and themes 07 / sites by structural elements 22 0 139 ultra...

Ngày tải lên: 06/09/2013, 18:06