Outline of re-examination for postgraduate enrollment in Tianjin University
Applicable professional code: 083002
Applicable Professional Name: Environmental Engineering
Of course not. : Course Name: Water Pollution Control Project
First, the overall requirements of the examination
Candidates are required to master the basic theory of water and wastewater treatment, the mechanism, characteristics and applicability of various treatment processes, mainly
The working principle, technological structure and basic methods of design and calculation of treatment structures; Master the basic skills of water treatment experiment,
Ability to analyze experimental results; Understand the development trend of water pollution control technology at home and abroad.
Second, the examination content and proportion: (key part)
1. Coagulation, sedimentation, air flotation and clarification of water and sewage (20%)
Coagulation mechanism, commonly used coagulants, influencing factors of coagulation effect and coagulation process equipment; Used for sewage treatment
Sum method, chemical precipitation method and redox method; Sedimentation theory, the principle and structure of horizontal sedimentation tank, the principle and structure of inclined tube and inclined plate sedimentation tank; Type, form, structure and working principle of clarifier.
2. Filtering and disinfection of water and sewage (15%)
Filtration mechanism, structure, working principle and design calculation of fast filter; The structure and working principle of other filters, as well as fast
Comparison of filters. The principle of chlorine disinfection, other methods of drinking water disinfection and comparison with chlorine disinfection.
3. Water pollution (15%)
Mathematical model of sewage characteristics and pollution index, water eutrophication, organic matter degradation and dissolved oxygen balance in rivers
Type; Typical process of sewage treatment plant.
4. Biological treatment of sewage (30%)
Purification process, mechanism and operation mode of activated sludge process; Kinetics of organic matter degradation and biological growth; Oxygen transfer theory
And ventilation method; New process of activated sludge process; Biological phosphorus and nitrogen removal technology for sewage.
Purification process and mechanism of biofilm process; The working principles of biological filter, biological turntable, biological contact oxidation and biological fluidized bed.
Principle and technical characteristics. Process technology combining activated sludge process with biofilm process: new progress of biofilm process.
Natural sewage treatment technology.
5. Anaerobic treatment of sewage and sludge (10%)
Characteristics of sludge, gravity concentration theory; The mechanism and influencing factors of anaerobic digestion, the working principle, structure and design of digester.
Rice; New technology of sludge digestion. Anaerobic treatment technology of organic wastewater.
6. Membrane separation technology (10%)
Working principles of microfiltration, ultrafiltration, nanofiltration and reverse osmosis membranes.
Third, the types and proportions of test papers.
60% essay questions and 40% short answers.
Four. Main reference materials:
1, Fan of Water Quality Engineering, edited by Jin Zhaofeng and presided by Yan Xushi, China Building Industry Press, 2009.
2. Drainage Engineering (4th Edition), He Lin, China Building Industry Press, published in June 2000-1.