Separation Engineering Course Code: Credits:2 Hours:30 (teaching hours: 30) Preceded courses:Physical Chemistry, Principles of Chemical Engineering, Chemical Engineering Thermodynamics, Principle of Transport Processes Major:Chemical Engineering, Pharmaceutical Engineering, Biological Engineering, etc Course material:‘Chemical Separation Process ’ By Hongfang Chen, Jiaqi Liu,Chemical Industry Press,1995 School:School of Chemistry and Chemical Engineering 1. Course features and objectives: This course is the required foundation course for students who major in Chemical Engineering. It is a required course for students who have studied advanced mathematics, physical chemistry, principles of chemical engineering, chemical engineering thermodynamics, principle of transport processes and computer technology knowledge, etc. It use the phase equilibrium thermodynamics, dynamics, molecules and gathered state of microscopic mechanism, heat, mass and momentum transfer theory to research sundry separation and purification technology in the actual production of chemical industry. Chemical separation process basic task is to: 1. Master all sorts of commonly used the basic theory of the separation process, operation characteristics; 2. Master various kinds of simple and strict calculation method of separation process and strengthening improving operations approach; 3. Understand some new separation technique. The main teaching content of Chemical separation process is sundry separation and purification technology in the actual production of chemical industry. It investigates, resolves and deals with engineering practical problems using natural scientific principles; the research method is mainly theoretical analytic and experimental research under the guide of theory. This course focuses on understanding of the basic concept, laying the foundation for the selection, characteristic analysis and calculation of the separation process. It discusses the 1 characteristics of various methods of separations from the commonness of separation process. It emphasizes the point of view of combining engineering and technology, strengthening training of design and analysis ability; emphasizes combining theory and practice, improving the ability to analyze and solve problems. 2. Course elements and requirements Ch1 Introduction 1. Teaching content (1) The Importance of separation operation in the production of chemical industry. (2) The classification of the mass transfer separation process A. The balance separation process Including distillation, absorption, extraction, drying, etc; B. The rate separation process Including ultrafiltration, reverse osmosis, dialysis, etc. 2. Basic requirements Understand the meaning of the chemical separation process and its role in chemical production process; general view of mass transfer separation process. Ch2 Single class balance process 1. Teaching content (1) Phase equilibrium Phase equilibrium relationship and Calculation of phase equilibrium constant; (2) Calculation of bubble point and dew point of many components of things Calculation of bubble point temperature and pressure and Calculation of dew point temperature and pressure; (3) Calculation of flash process Calculation of isothermal braising and part of condensation process , Calculation of adiabatic braising process. 2. Basic requirements Understand phase equilibrium condition, Master the basic concepts of phase equilibrium constants and separation factor and Calculation of phase equilibrium constant, Master Calculation of bubble point temperature and pressure and Calculation 2 of dew point temperature and pressure, Understand Calculation of isothermal braising and part of condensation and learn Calculation of adiabatic braising. Ch3 Many components multilevel separation process analysis and simple calculation 1. Teaching content (1) Design variables Unit design variables and the device design variables; (2) The distillation process of many components The analysis of distillation process of many components, minimum reflux ratio, least numbers of theoretical plates and component distribution, actual reflux ratio and numbers of theoretical plates; (3) Extractive distillation and azeotropic distillation Extractive distillation, azeotropic distillation; (4)Absorption and evaporate out process Procedure of absorption and evaporate out process, analysis of absorption and evaporate out process of multicomponent, method of absorption and evaporate out process of multicomponent (5) Extraction process Extraction process and the group methods of reflux extraction calculation 2. Basic requirements Know about the determination method of the design variables; fully understand the basic principle and process of distillation of many components, azeotropic distillation, extractive distillation, absorption and evaporate out process, etc. Ch4 Strict calculation of the multistage separation of many components 1. Teaching content (1) The theoretical model of balance level (2) The method of calculation gradually (3) The method of three diagonal matrix The dissociation method of the equation, Thomas'solutions of the equation of three diagonal matrix, bubble method, sum rates method and isothermal sum rates method 3 2. Basic requirements Understand the theoretical model of balance level, the method of calculation gradually, the characteristics of Thomas'solutions of the equation of three diagonal matrix, bubble method of distillation process; learn selectively the sum rates method of absorption and evaporate out process Ch5 Processing power and efficiency of Separation equipments 1. Teaching content (1) Processing power and efficiency of the gas-liquid mass transfer equipments Influencing factors of processing power of the gas-liquid mass transfer equipments, the efficiency of the gas-liquid mass transfer equipments and its influencing factors, the estimation methods of efficiency of the gas-liquid mass transfer equipments; (2) Processing power and efficiency of the extraction equipments Processing power of the extraction equipments and tower diameters, efficiency of the extraction tower and its influencing factors; (3) Selection of the mass transfer equipments Selection of the gas-liquid mass transfer equipments and extraction equipments. 2. Basic requirements Understand influencing factors of processing power of the gas-liquid contact equipments, the stage efficiency of gas-liquid contact equipments and its influencing factors, processing power and efficiency of the liquid-liquid contact equipments; understand and strengthen approach of the separation operation. Ch6 The energy saving of the separation process 1. Teaching content (1) The minimum power and thermodynamics efficiency of the separation, minimum power of isothermal separation, non-isothermal separation and available energy, net power consumption and thermodynamics efficiency. (2) Energy saving technology of the rectification The thermodynamics irreversible analysis of rectification process, pleietrepie rectification, heat pumps of low temperature rectification and the rectification using intermediate condenser and intermediate reboiler. 4 (3) Selection of the separation sequence The combining of separation sequence and the separation sequence of complex column. 2. Basic requirements Understand the calculation of minimum power of separation, basic ideas of energy saving and rules of separation sequence of the selection. Ch7 Selection of Other separation technology and process 1. Teaching content (1) Membrane separation technology Membrane for separation and membrane separation equipment, reverse osmosis, ultrafiltration, electrodialysis, gas membrane separation, Liquid membrane separation. (2) Adsorption separation Adsorption principle and adsorbent, adsorption balance, adsorption rate, the introduction of adsorption separation technology; (3) Reaction rectification The analysis of Reaction rectification process and the mathematical simulation of Reaction rectification process; (4) Selection of the separation process Feasibility, type of the separation process, production scale, reliability of the design and independent operation of the separation process. 2. Basic requirements Understand the basic principle and characteristics of the separation process, select separation technology correctly. 3. Assignment of course periods. Chapters Lecture Experiment Ch1 Introduction 1 0 Ch2 Single class balance process 8 0 10 0 Ch3 Many components multilevel separation process analysis and 5 simple calculation Ch4 Strict calculation of the multistage separation of many components Ch5 Processing power and efficiency of Separation equipments Ch6 The energy saving of the separation process Ch7 Selection of Other separation technology and process 3 0 4 0 3 0 2 0 4. Syllabus description Appropriate amount of homework is to be assigned ever time after lessons, and the amounts is about 10 math problems. Some thinking questions will be assigned for the students to understand the teaching content. 5. Bibliography (1) Xiu Deng, Junsheng Wu. ‘Chemical Separation Engineering’. Science Press, c2000. (2) Furong Liu, Xinli Jin, Li Wang. ‘Separation Process and System Simulation’. Science Press, c2001. (3) Jiaqi Liu. ‘Chemical Separation Engineering’. Chemical Industry Press, c2002. 6