المحاضرة 1-1

WASTEWATER ENGINEERING
CONTENTS
Item No.
AN OVERVIEW
• Introduction
• Definition of Wastewater Engineering
• Sewer, Sewage and Sewerage
• Wastewater Sources and Flow Rates
• Design Period 1.
CHARACTERISTICS OF WASTEWATER
• Physical parameters
• Chemical parameters
• Bacteriological parameters 2.
ANALYSIS AND SELECTION OF WASTEWATER FLOWRATES AND CONSTITUENT LOADING

• Components of wastewater flows
• Wastewater sources and flowrates
• Domestic wastewater Sources and Flowrates
• Strategies for Reducing Interior Water Use and Wastewater Flowrates
• Sources and Rates of industrial (Nondomestic) Wastewater Flows
• lnfiltration/ lnflow
• Exfiltration from Collection Systems
• Analysis of flowrates data
• Analysis of constituent mass loading data 3.
PHYSICAL UNIT PROCESSES
• Flow measurement (PARSHALL Flume)
• Floatation
• Screening device
• Comminutors
• Flow equalization
• Grit chamber 4.
GRAVITY SEPARATION THEORY
• Particle Discrete Settling Theory (Type 1 settling)
• Flocculent Particle Settling (Type 2 Settling)
• Hindered ( Zone ) Sedimentation (Type 3 settling)
• Compression Settling ( Type 4 Settling ) 5.