Chapter 1 Overview of waste water ( 1 ) 1.1 What is waste water ( 1 ) 1.2 The types of the waste water ( 2 ) 1.2.1 Domestic waste water ( 2 ) 1.2.2 Industrial waste water ( 16 ) 1.2.3 Rural waste water ( 27 ) 1.3 The effects of the waste water ( 40 ) 1.3.1 Chemistry of water impurities ( 40 ) 1.3.2 Metallic corrosion ( 43 ) 1.3.3 Scale formation ( 47 ) 1.3.4 Fouling ( 48 ) 1.4 Waste water treatment processes ( 50 ) 1.4.1 Preliminary and primary treatment ( 50 ) 1.4.2 Secondary (biological) treatment ( 55 ) 1.4.3 Tertiary (advanced) treatment ( 65 )Chapter 2 Treatment theory of the activated sludge ( 75 ) 2.1 The traditional activated sludge ( 75 ) 2.1.1 The basic conception and the process ( 75 ) 2.1.2 The forms and component of the activated sludge ( 76 ) 2.1.3 The microorganism in the activated sludge and its function ( 77 ) 2.1.4 The clarification process by the activated sludge ( 78 ) 2.1.5 The effect of the environmental factors on the activated sludge ( 80 ) 2.2 Some performance indexes of the activated sludge ( 85 ) 2.2.1 Some performance indexes of the activated sludge ( 85 ) 2.2.2 Some indexes of the activated sludge for designment and running ( 89 ) 2.2.3 Aeration ( 92 ) 2.3 The development and application of the activated sludge ( 95 ) 2.3.1 Complete-mix activated sludge process ( 95 )2.3.2 Tapered aeration process ( 96 )2.3.3 Contact-stabilization activated sludge ( 97 ) 2.3.4 High-purity oxygen activated sludge ( 98 ) 2.3.5 Step-feed activated sludge ( 99 ) 2.3.6 Extended aeration activated sludge (100) 2.3.7 High-rate activated sludge (100) 2.3.8 Selector activated sludge (101) 2.3.9 The running parameters for the traditional activated sludge andmodified processes (102) 2.4 The cultivation and running management of the activated sludge (103) 2.4.1 The cultivation of the activated sludge (103) 2.4.2 The running of the activated sludge (103) 2.5 The abnormal phenomenon during the running of the activated sludge (105) 2.5.1 Sludge bulking (105) 2.5.2 Sludge disintegration (107) 2.5.3 Sludge corruption (108) 2.5.4 Sludge floating (108) 2.5.5 Bubbles (108) 2.5.6 Abnormal biofacies (109) 2.5.7 Insufficient nitrification (109) 2.5.8 Insufficient denitrification (110) 2.6 The designment of the activated sludge (110) 2.6.1 Aeration tank (110) 2.6.2 The secondary settling tank (111) 2.6.3 The design on the backflow of the sludge (112)Chapter 3 The biofilm (115) 3.1 The basic concepts (116) 3.1.1 The formation of the biofilm and the clarification (116) 3.1.2 The carrier of the biofilm (118) 3.1.3 The characteristics of the biofilm (119) 3.1.4 The biofilm reactor (121) 3.2 Some important parameters (121) 3.2.1 Specific increase rate of biomass (122) 3.2.2 Specific removal rate of the substrate (122) 3.3 Bio-filters (123)3.3.1 The definition of the bio-filter (123 ) 3.3.2 Trickling filter (125) 3.3.3 High-rate filter (127) 3.3.4 Tower biofilter (131) 3.3.5 Biological aerated filter (133) 3.4 Rotating biological contactor (136) 3.4.1 The overview (136) 3.4.2 The principle and the application (136) 3.4.3 The designment of the rotating biological contactor (139) 3.5 Submerged biofilm reactor (140) 3.5.1 The structure (141) 3.5.2 The form of the aeration tank (142) 3.5.3 The characteristics of the submerged biofilm reactor (144) 3.5.4 The processes of the submerged biofilm reactor (144) 3.5.5 The designment of the submerged biofilm reactor (146) 3.6 Biological fluidized bed (147) 3.6.1 The structure (147) 3.6.2 The characteristics u56256 ._xddba_ (148) 3.6.3 The process type of the biological fluidized bed (149) 3.6.4 The designment of the biological fluidized bed (151) 3.7 The new biofilm reactor and combination process (152) 3.7.1 Combined biofilm reactor (152) 3.7.2 Union process of biofilm and activated sludge (153)Chapter 4 Typical treatment processes on domestic and industrywaste water (156) 4.1 For domestic waste water (156) 4.1.1 Oxidation ditch (156) 4.1.2 Sequencing batch reactor (171) 4.1.3 Membrane bioreactor (183) 4.1.4 Adsorption biodegradation (AB) (186) 4.1.5 Moving bed biofilm reactor (188) 4.1.6 A/ O process (190) 4.2 For Industrial waste water (206) 4.2.1 Anaerobic biological treatment (207)4.2.2 Upflow anaerobic sludge blanket reactor (216 ) 4.2.3 The other typical technologies (218)Chapter 5 Typical technology on rural waste water (227) 5.1 Production and collection of rural domestic waste water (227) 5.1.1 Production of rural domestic waste water (227) 5.1.2 Collection of rural domestic waste water (228) 5.1.3 Water quality characteristics of rural domestic waste water (230) 5.2 Typical technologies (231) 5.2.1 Oxidation lagoon (231) 5.2.2 The wetlands (241) 5.3 Commonly used integrated treatment device for rural domesticsewage treatment (246) 5.3.1 Vertical flow type AAO integrated device (246) 5.3.2 Integrated air lift SBR device (247) 5.3.3 Integrated biological filter (249) 5.3.4 Integrated MBR device (250) 5.4 Long-term operation and management mechanism of rural waste watertreatment technology (251)5.4.1 Territory (village and town) self-operation and maintenancemanagement mechanism (251) 5.4.2 Third-party operation management mechanism (251) 5.4.3 Construction and operation integrated operation managementmechanism (252)Chapter 6 Control and use on sludge (254) 6.1 Overview (254) 6.1.1 The principle for the sludge treatment (254) 6.1.2 The basic method for the sludge treatment (255) 6.1.3 The basic process for the sludge treatment (256) 6.2 Sludge characteristics and calculation (256) 6.2.1 The component and the types of the sludge (256) 6.2.2 The indexes of the sludge (257) 6.2.3 The calculation on the sludge amount (260) 6.3 Sludge thickening (261) 6.3.1 The gravity thickening (262)6.3.2 The flotation thickening (263 ) 6.4 Sludge digestion (264) 6.4.1 Anaerobic digestion (264) 6.4.2 Aerobic digestion (265) 6.5 Sludge conditioning (265) 6.5.1 Chemical conditioning (266) 6.5.2 Heat conditioning (266) 6.5.3 Elutriation conditioning (266) 6.5.4 Freezing solution conditioning (267) 6.6 Sludge dewatering (267) 6.6.1 The natural drying of sludge (267) 6.6.2 The mechanical dewatering of sludge (267) 6.7 Sludge drying and incineration (270) 6.8 Comprehensive utilization and ultimate disposal of the sludge (270) 6.8.1 Agricultural fertilizer (270) 6.8.2 Building materials (271) 6.8.3 Landfill (271) 6.8.4 Land use (271) 6.8.5 Compost (272) 6.8.6 Thermolysis (273)Chapter 7 Waste water treatment cases (275) 7.1 Traditional activated sludge (276) 7.2 Anaerobic-aerobic activated sludge process (277) 7.2.1 Anaerobic-aerobic activated sludge process for removal P (277) 7.2.2 Anaerobic/ anoxic/ aerobic process (278) 7.3 Adsorption/ biodegradation process (278) 7.4 Oxidation ditch process (280) 7.4.1 A-E oxidation ditch (280) 7.4.2 T oxidation ditch (282) 7.5 Biological aerated filter (284) 7.6 A domestic example of reconstruction and extension of sewage plant (285) 7.6.1 Introduction (285) 7.6.2 Renovation and extension scheme of sewage plant (289) 7.6.3 Operation effect (319)Chapter 8 Water reclamation and reuse (320 ) 8.1 Water reclamation (321) 8.2 Current and potential future global water shortages (324) 8.2.1 Irrigation water use (324) 8.2.2 Domestic and industrial water uses (325) 8.3 The important role of the water reclamation and reuse (325) 8.4 Technology development (330) 8.4.1 Typical water reclamation processes (332) 8.4.2 Complete flow scheme optimizing for water reuse (334) 8.5 Framework for water reuse implementation (338) 8.6 Cases (339) 8.6.1 Water reuse in China (339) 8.6.2 The others (350)Chapter 9 Waste water recovery (358) 9.1 What is waste water recovery (358) 9.1.1 Pollutant recovery (358) 9.1.2 Water reuse (359) 9.2 Recovery and energy in municipal waste water (360) 9.2.1 Recovery types and feasibility (360) 9.2.2 Energy reserves and energy feasibility (361) 9.3 Phosphorus recovery (362) 9.3.1 Significance of phosphorus recovery (362) 9.3.2 Basic methods for phosphorus resource (363) 9.3.3 Evaluation on phosphorus resource (366)
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