Electromechanical Equipment and Systems in Desalination Plants

UNIT 1. BASIC PRINCIPLES OF DESALINATION The desalination process Classification of desalination systems Production of desalinated water Desalination processes Thermal desalination processes by evaporation (distillation) Reverse osmosis (RO) UNIT 2. SEAWATER COLLECTION AND TRANSPORT TO THE TREATMENT PLANT Reverse osmosis (RO) Seawater collection Vertical wells and boreholes Intake wet well and headworks Seawater intake well and headworks Special collection devices Pump station/house Horizontal drilling/drains Infiltration galleries on the beach UNIT 3. REAGENTS IN RO PROCESSES FOR SEAWATER Introduction Coagulants and flocculants Disinfectants Reagents for pH adjustment Protectors Antifoulants and dispersants Reagent application points Reagent storage Reagent dosing UNIT 4. REVERSE OSMOSIS PRETREATMENT Introduction Screening and sieving Physicochemical treatment Filtration Equipment used in the filtration process Monitoring instruments UNIT 5. HIGH-PRESSURE PUMPING AND ENERGY RECOVERY SYSTEM Introduction Reverse osmosis pumps Types of pumps Energy recovery devices (ERDS) UNIT 6. REVERSE OSMOSIS PUMPS Basic Principles Definition of RO Membranes Basic Principles of RO Membranes Pressure Vessels and Modules Instrumentation Displacement and Cleaning System UNIT 7. DESALINATED WATER SOFTENING Introduction SAR Control and Boron Reduction Remineralization of desalinated water Permeate water disinfection Product water storage and pumping UNIT 8. REJECT WATER NEUTRALIZATION AND TREATMENT Introduction Neutralization without treatment of suspended solids Neutralization with treatment of suspended solids Sludge dewatering