Tabla de Contenidos: “…4.3.1 Free-flow Parshall flume equations for the design of grit chambers -- 4.3.2 Design of rectangular grit chambers -- 4.4 BYPASS CHANNEL DESIGN -- 4.5 PROCEDURE FOR PRELIMINARY TREATMENT DESIGN WITH THE PARSHALL FLUME -- 4.5.1 Case study design: preliminary treatment, WSP system, Catacamas, Honduras -- 4.6 FINAL DISPOSAL OF SCREENINGS AND GRIT -- Chapter 5: Theory and design of facultative ponds -- 5.1 NATURAL PROCESSES AS THE DRIVING FORCE IN FACULTATIVE PONDS -- 5.1.1 Algal and bacterial processes in the aerobic zone -- 5.1.2 Bacterial processes in the anaerobic zone -- 5.1.3 Process analysis: methane emissions from facultative pond, Catacamas, Honduras -- 5.2 THEORY OF DESIGN OF FACULTATIVE PONDS -- 5.2.1 Maximum organic surface loading -- 5.2.1.1 Sources of solar radiation data -- 5.2.1.1.1 CLIMWAT and CROPWAT -- 5.2.1.1.2 NASA POWER data access viewer -- 5.2.1.2 Water temperature and algal growth -- 5.2.1.2.1 Design water temperature -- 5.2.1.2.2 Temperature effects on algal growth -- 5.2.1.3 Case study: surface loading and facultative pond performance, Nagpur, India -- 5.2.1.4 Case study: organic overloading of facultative ponds in Honduras -- 5.2.2 Wind effects in facultative ponds -- 5.2.3 Hydraulic considerations -- 5.2.3.1 Longitudinal dispersion -- 5.2.3.2 Thermal stratification and hydraulic short circuiting -- 5.2.3.3 Sludge accumulation effect on hydraulic short circuiting -- 5.2.4 Pathogen reduction -- 5.2.4.1 Helminth egg reduction -- 5.2.4.2 E. coli or fecal coliform reduction -- 5.2.5 BOD5 removal -- 5.2.6 TSS removal -- 5.2.7 Sludge accumulation -- 5.2.7.1 Sludge accumulation reported in the literature -- 5.2.7.2 Projection of sludge accumulation with flowrates and solids loadings -- 5.2.7.3 Design example part 1: projection of sludge accumulation for TSS = 200 mg/L…”