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**Essential information**

Title: phase diagram of water salt system and its application

Price: 49 yuan

Author: Deng Tianlong series

Publishing House: Chemical Industry Press

Publication date: 2013-11-01

ISBN：9787122175311

Words: 560 words

Page number: 326

Revision: 1

Binding: paperback

Folio: 16 open

Commodity logo: xinhua1200780857

**Editor recommendation**

No

**Synopsis**

The phase diagram and application of water salt system describes systematically the principle and application of phase diagram of water salt system. Among them, * * to the sixth chapter, introduces the system structure, the phase diagram of the system of two yuan to five yuan salt water drawing method, understanding, analysis, calculation and analysis of phase diagram for typical process diagram, and gives a lot of examples of production. Considering the special phenomenon of dielectric salt water system and its stability are regular, "salt water system based on phase diagram and application" focuses on the stable equilibrium phase diagram, the metastable phase diagram and its application in the seventh chapter. Considering the specific conditions of production and in the field, there may be equilibria have not yet been studied and measured data, the eighth chapter introduces the experimental research method of salt water system stable and metastable equilibrium equilibrium. In view of the calculation of phase equilibrium data has become an effective tool for the research and development process, the ninth chapter introduces the calculation method of phase diagram of salt water system model based on the theory of electrolyte solution. As a textbook, at the end of the chapter, there are exercises at the end of the book Exercises answer; as the research and application of reference books, the appendix includes Saline Lake, sea water, underground brine and mineral salt mineral salts related physical and chemical properties, mineral salts, optical properties of common natural salt and its standardization degree, ion parameters of water salt electrolyte solution model and two yuan to five yuan water solubility data of multi system.

**Catalog**

Chapter one introduction 1

The first water saving salt system 1

I. system and system 1

Two. The composition and representation of the system 2

The second day rule 4

Phase 4

Two, the independent group score 4

Three, degree of freedom 7

Four, rule 7

Five. Other principles and rules in the study of phase diagrams 10

Third stable phase diagram and metastable phase diagram of water saving salt system 11

Solubility and stability phase diagram 11

Two. Metastable solubility and metastable phase diagram 13

The generation, function and learning method of fourth phase diagrams 14

Research status and development trend of phase diagram of water salt system 14

Two. The role of the phase diagram of the water salt system 17

Three. Learning purpose and method of phase diagram 18

Exercise 19

The second chapter binary phase diagram of salt water system 20

Section 1 phase diagram representation method 20

A rule, characteristic and coordinate system 20

Two. Phase diagram 21

Second simple phase diagrams of two element water salt system 23

First, the significance of point line area 23

Two, straight line rule 24

Three, lever rule 24

Four. Analysis of isothermal evaporation and cooling crystallization process 25

Third phase diagram of complex two element water salt system 28

First, stable hydrate and unstable hydrate 28

Two. Plotting of complex two element phase diagrams 30

Three. Understanding hydrate phase diagram 32

Four. The dissolution of unstable hydrate 33

Five. Phase diagram with polycrystalline transition 34

Material calculation method for phase diagram of fourth section two element water salt system 36

Lever rule 36

Two. Non precipitation component method 37

Three. Material balance method 37

Application of phase diagram of fifth section two element water salt system 38

Phase diagram analysis of sea salt production 38

Two. Phase diagram analysis of magnesium chloride production 39

Exercises two 42

The third chapter three phase diagram of 45 water salt system

Section 1 graphical representation 45

A rule, feature 45

Two. Graphical representation method 45

Three. Space stereogram 48

Four. The isothermal cross section figure of the stereogram 49

Second phase isothermal diagram of three element water salt system 54

Classification of isothermal phase diagrams for one and three water salt systems 54

Understanding of isothermal phase diagram of two or three element water salt system 59

Three. The isothermal phase diagram represented by alkaline substance and acidic substance 61

Application of third straight line rule and lever rule in isothermal phase diagram 64

First, straight line rule and lever rule proof 65

Two. Application of straight line rule and lever rule 65

Three. Straight line rule and lever rule extend 66

Phase diagram analysis of fourth section three element system 68

Analysis of isothermal evaporation process 68

Two. Salting out process analysis 73

Three. Analysis of variable temperature process 74

Four 、 zero change point research 75

Application of phase diagram of fifth section three element system 77

First, the separation and extraction of potash salt mine 77

Two, the crude carnallite decomposition of potassium chloride production 79

Three. Separation and extraction of sodium nitrate and potassium nitrate 84

Exercises three 87

The fourth chapter four phase diagram of 90 water salt system

Section 1 four water salt system 90

Classification of water and salt system of 90 and four

Two, 90 phase characteristics

Three, the relationship between components 90

Four, the concentration of expression 93

Five. State function and continuous principle 95

Phase diagram basis of second section four element system 96

First, dry basis plane phase diagram 96

Two. Pyramid solid phase diagram 97

Three. Prism phase diagram 99

Four. Isothermal solid phase diagram 100

Five. The projection of the isothermal solid phase diagram 102

Six, multi phase diagram 105

Plotting third phase diagrams of four element water salt system 108

The basis for plotting phase diagrams is 108

Two. Sketch of dry triangle phase diagram and water diagram 108

Three. Dry basis square phase diagram and water map 110

Analysis of phase diagram of fourth section four element system 113

First, the process vector method 113

Two. Straight line rule and lever rule 114

Three. Understanding of phase diagrams 116

Four. Analysis of isothermal evaporation process 118

Five, multi process analysis of phase diagram 123

Exercises four 125

The application of phase diagram of four element water salt system in fifth chapter 127

Section 1. Phase diagram analysis of typical industrial processes 127

A, Chaerhan Saline Lake brine Beach Sun 127 Carnallitite

Two seawater salt making 128

Three. Production of potassium nitrate by complete conversion method 128

Four, partial conversion method to produce potassium sulfate 131

Second phase diagram calculation 133

Graphical calculation method 133

Two. Analytic calculation method 135

Three. Material balance algorithm 138

The phase diagram analysis and calculation of the washing process in section third of the 142 carnallite decomposition

First, the law of salt precipitation by isothermal evaporation 143

Two. Phase diagram analysis and calculation 144

Phase diagram analysis and calculation of fourth section conversion to produce potassium sulfate 151

One, direct conversion at room temperature 151

Two. Indirect transformation at room temperature 153

Three, more than 156 complete conversion

Exercises five 158

The sixth chapter five phase diagram of 162 water salt system

The first section features 162 phase rule

The relation between second sections and the method of representation of composition 163

One, the relationship between components 163

Two. Representation of composition 164

Third section interactive graphical representation of five element system 166

A three-dimensional graph 166, isothermal drying

Two. The stereo diagram of the interactive five element system 166

Three, do 169 simplified kitu

Four. Water chart and sodium diagram 173

Five. The relations among several figures 174

Phase diagram analysis of fourth interactive five element water salt system 175

First, the application of process vector method 175

Two. Analysis of evaporation and salting out law 177

Three. Determination of limit point and state of phase equilibrium 179

Four. Calculation method of quantity 185

Fifth simple phase diagrams of five element water salt system 187

A three-dimensional graph 187, isothermal drying

Two. Simplify figure 188

Three. Application of phase diagram 189

Application of phase diagram of sixth section five element water salt system 190

Extraction of potassium chloride from bittern by evaporation concentration method 190

Two. Analysis of evaporation heat preservation process in potassium chloride production 193

Three. Analysis of cooling crystallization process of clarified liquid in potassium chloride production 197

Exercises six 201

The seventh chapter is metastable equilibrium phase diagram 203

The first metastable phase equilibrium is 203

Metastable phase equilibrium 203

Two. Supersaturated solution 204

Second phase metastable phase diagram of two and three elements system 205

Metastable phase diagram of one or two element system 206

Metastable phase diagram of two or three element system 207

Metastable phase diagram of third section four element system 208

Metastable phase diagram of fourth section five element system 210

The metastable phase diagram of seawater system at 25 C is 210

Two. The metastable phase diagram of seawater system at 15 and 35 temperatures is 212

Three. Multi temperature metastable phase diagram of lithium containing system 214

Fifth phase diagram of nonequilibrium phase 216

Phase diagram of non-equilibrium state of boron salt system 216

Two. Nonequilibrium phase diagram of boiling evaporation 216

Exercises seven 217

The eighth chapter is the experimental method of phase equilibrium of water salt system 218

The stable phase equilibrium of the first water saving salt system is 218

Isothermal dissolution equilibrium method 218

Two. Variable temperature method 222

Second metastable phase equilibrium of water saving salt system 223

Isothermal evaporation crystallization method 223

Two 、 experimental research method and experimental device 224

Third solid phase identification 224

Wet solid phase method 224

Two. Analytic method 225

Three. Crystal optics method 226

Four. Other methods 228

Fourth methods for studying thermodynamic properties of electrolyte solutions 229

I. isobaric method 229

Two. Electric potential method 231

Three. Calorimetry 231

Exercises eight 232

The ninth chapter: Theory and application of electrolyte solution of water salt system 233

Section 1 development of electrolyte solution theory 233

First, the classical electrolyte solution theory 233

Two, semi empirical model 234

Three. Statistical thermodynamic model 234

Second Pitzer electrolyte solution theory 235

Pitzer calculation formula of one component electrolyte 236

Two. Pitzer formula of mixed electrolyte 238

Three. Extension of Pitzer model 241

Third Pitzer parameters of electrolyte 242

One, Pitzer parameter 242

Two, Pitzer parameters obtained 242

Fourth solid-liquid balance of water saving salt system 246

The equilibrium constant of salt dissolution is 246

Two, the salt water system of salt solubility calculation 248

Fifth Pitzer electrolyte solution theory for water salt system calculation program 251

Exercises nine 264

Exercises reference answers 265

Appendix 276

Appendix 1. Names, abbreviations and densities of mineral salts in English and Chinese 276

Appendix two common data for phase diagram calculation 278

Appendix trihydrated salt and salt 279

Appendix four the conversion relationship between compounds and ions 282

Appendix 5 see the standardization degree of natural salts and their ions 283

Appendix six common electrolyte Pitzer parameter 284

Appendix seven light mineral identification table 288

Appendix eight steady phase equilibrium data of seawater system 291

324 refs

**Author introduction**

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**abstract**

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**Media recommendation**

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