The activated sludge process: Fundamentals of operation

Book · Sat Jan 01 00:00:00 EST 1983

OSTI ID:7108995

Junkins, R; Deeny, K J; Eckhoff, T H

The procedures given here - based on extensive and intensive experience. Background information on process mechanics is followed by detailed consideration of control and troubleshooting practices. Contents: PREFACE AND INTRODUCTION; PROCESS MECHANICS; Basic Mechanism of Activated Sludge Systems; Formation of Activated Sludge; Growth of Microorganisms; Classifications of Microorganisms: Type, Environment, Age; Solids Separation and Return; FACTORS AFFECTING OPERATION; Raw Wastewater Strength; Dissolved Oxygen; pH; Temperature; Nutrients; Toxicity; Mixing; Detention Time; Hydraulics; PROCESS MODIFICATIONS; Conventional; Complete Mix; Contact-Stabilization; Extended Aeration; Others; PROCESS MONITORING; Visual; Analytical Indicators; OPERATIONAL CONTROL; Sludge Volume Index; Sludge Age; Mean Cell Residence Time; Food/Microorganism Ratio; Organic Loading Rate; Solids Loading Rate; Clarifier Overflow Rate; Weir Overflow Rate; Sludge Recycle Rate, Sludge Wastage Rate; Chemical Feed Rate; TROUBLESHOOTING; Low BOD Removal; Low D.O. in Aeration Baisn; Poor Settling; PLANT START-UP; Introduction; Pre Start-up Checkup; Wastewater Analysis; Seed Screening; Process Checklist; Mechanical Checklist; Familiarization and Training; Start-up; Seeding; Process Monitoring; Transition; Typical Start-up Problems; Foaming; Settling Problems; Low BOD Removal; INDEX.

• Research Organization: M and M Mars, Inc.
• OSTI ID: 7108995
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
WASTE WATER
ACTIVATED SLUDGE PROCESS
BIOCHEMISTRY
WATER POLLUTION CONTROL
WATER TREATMENT PLANTS
OPERATION
SYSTEMS ANALYSIS
MECHANICS
MICROORGANISMS
MONITORING
PROCESS CONTROL
PURIFICATION
START-UP
WATER CHEMISTRY
WATER QUALITY
CHEMISTRY
CONTROL
ENVIRONMENTAL QUALITY
HYDROGEN COMPOUNDS
LIQUID WASTES
MANAGEMENT
OXYGEN COMPOUNDS
POLLUTION CONTROL
PROCESSING
WASTE MANAGEMENT
WASTE PROCESSING
WASTES
WATER
520200* - Environment
Aquatic- Chemicals Monitoring & Transport- (-1989)
320603 - Energy Conservation
Consumption
& Utilization- Municipalities & Community Systems- Public Utilities- (1980-)