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· 분류 : 외국도서 > 기술공학 > 기술공학 > 토목 > 토목일반
· ISBN : 9780849330292
· 쪽수 : 282쪽
· 출판일 : 2006-01-13
목차
ONSITE WASTEWATER MANAGEMENT - AN OVERVIEW
Introduction
Septic Systems versus Advanced Onsite Systems versus Centralized Treatment
Managed Advanced Onsite Treatment
Wastewater Treatment Levels and Receiving Environment
Septic Systems Cannot Do It Alone
Onsite Treatment to Levels Greater Than Septic Tanks
Use of Soil for the Majority of the Treatment Is Not Required
Assimilation: Subsurface or Surface Dispersal of Effluent
Responsible Management and Regulations
Onsite Technology Is Ready for the 21st Century
Advanced Onsite Treatment Systems
Onsite Effluent Dispersal Systems
Remote Monitoring System
Regulatory Framework
References
DECENTRALIZED WASTEWATER SOLUTIONS
Introduction
The Term Decentralized
Centralized Versus Decentralized Solutions
The Science of Wastewater
Pollution Scale
Wastewater Treatment Basics
Determining Wastewater Characteristics
A Simple Look at Wastewater Treatment
Concept of Overall Treatment Levels
Soil and Site Issues
References
MEDIA FILTERS
Introduction
Theory of Attached Growth Wastewater Treatment Systems
Types of Natural and Synthetic Media Used for Treating Wastewater
Flow and Load Estimates
Single- Pass Systems
Methods and Benefits of Recirculation
Textile Filters
Controls
Level Sensors
Determining Timer Settings
Pump Selection
Other Fixed Film Processes
System Monitoring and Maintenance
Soil Dispersal of Packed Bed Filter Effluent
References
AEROBIC TREATMENT UNITS
Introduction
Theory of Biochemical Wastewater Treatment Using Aerobic Treatment Processes
Aerobic Treatment Unit (ATU) Operation
Typical ATU Configurations
Oxygen Transfer
ATU Influent
Hydraulic and Organic Loading
Flow Equalization
Nitrogen and Phosphorus in Wastewater
Operational Issues
Performance Certification
References
EFFLUENT DISPERSAL AND RECYCLING SYSTEMS
Introduction
Effluent Dispersal Technologies
Soil and Site Evaluation: Then and Now
Assimilation: Subsurface Dispersal of Effluent
New Concept for Effluent Dispersal System Design
Experimental Design Example
Nitrogen Reduction and the Effluent Dispersal System
Nitrogen Model
Total Maximum Yearly Load (TMYL)
References
MANAGEMENT FRAMEWORK FOR USING ADVANCED ONSITE WASTEWATER SYSTEMS TECHNOLOGIES
Introduction
Centralized Versus Onsite Wastewater Systems' Management
EPA Management Models
Responsible Management Entity (RME)
Who Can Be An RME?
Utility/RME System Concept
Value-Added Services
Redefining the Roles
Helping the Onsite Industry
Serving the People and the Environment
Long-Term Cost
Regulatory Changes Needed
Examples of Utility Programs
References
REGULATORY FRAMEWORK FOR USING ADVANCED ONSITE WASTEWATER SYSTEMS TECHNOLOGIES
Introduction
Regulatory Framework for Use of Septic Systems
Regulatory Framework for Use of Advanced Onsite Systems
Building a Foundation for Performance Based Regulations
Performance Monitoring Requirements Matrix
Approval Process for Advanced Onsite Technology
Soil and Site Issues
Building Agreement
PLANNING WITH ADVANCED ONSITE SYSTEMS TECHNOLOGIES
Introduction
Integrating the Use of Advanced Onsite Systems in Planning
Onsite versus Centralized Wastewater Systems
Wastewater and the Receiving Environment
Operation and Management Infrastructure
References
THE FUTURE OF ADVANCED ONSITE SYSTEMS TECHNOLOGIES
Introduction
Managed Onsite Systems
Why Treat Beyond The Septic Tank?
Fixing Current Problems and Addressing Future Needs
Performance Monitoring Is Now Possible
Regulating Use of Onsite Systems Online
Five Steps to E-Government for Onsite Systems
The Future Is Bright
References















