Criteria Development for Water Treatment Plant Residual Monofills

Front Cover
American Water Works Association, 1997 - Technology & Engineering - 203 pages
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Contents

Introduction
1
Scope and Objective of Research
2
Disposal of Water Treatment Plant Residuals
3
Handling and Disposal
4
Characteristics of Water Treatment Plant Residuals
5
Water in WTP Residuals
7
Prior Studies Related to WTP Residual Characteristics
9
Origin and Production of Residual Samples Tested for This Study
13
Conclusions
106
Field Tests Conducted in a Minimonofill
109
Construction of Minimonofill
111
Results and Discussions
114
Environmental Characteristics
121
Summary
134
Criteria for Design Construction and Operation of Water Treatment Plant Residual Monofills
137
Planning
138

Treatment Plants From Which Samples Were Collected
20
West River Water Treatment Plant Woodbridge Conn
24
Manasquan Water Treatment Plant Monmouth County NJ
25
Ellwood City Water Treatment Plant Ellwood City Pa
29
Testing Methods for the Characterization of Water Treatment Plant Residuals
33
Environmental Testing Methods
34
Biodegradability
36
Total Analysis of WTP Residuals
42
Geotechnical Testing Methods
43
SpecificGravityofSolids Tests
44
FreezeThaw Tests
45
Unconfined Compression Tests
46
Environmental Characterization of Water Treatment Plant Residuals
47
pH
50
Cation Exchange Capacity in WTP Residuals
54
Metals
57
Biodegradation
59
TCLP Analysis for WTP Residuals
61
Analyses of BNAs in WTP Residuals
62
Dewatering Methods for WTP Residuals
68
Solids Composition
69
Conclusions
70
Geotechnical Characterization of Water Treatment Plant Residuals
73
Liquid Limit and Plastic Limit Tests
76
Weight Loss Observation Tests
78
SpecificGravityofSolids Tests
89
FreezeThaw Tests
90
Direct Shear Tests
94
Unconfined Compression Tests
96
Consolidation Tests
100
Funding
139
Considerations to Mitigate Environmental Damage
141
Water Table
142
Subsurface Investigations
143
Design Considerations
144
Minimum Solids Contents Requirement for WTP Residual Monofills
147
Liner Systems
149
Drainage Systems
150
Leachate Collection Systems
152
GroundwaterMonitoring Systems
153
Final Cover Systems
154
Site Preparation
156
GroundwaterMonitoring Systems
157
Quality Control
158
Transportation Methods
159
Compaction Methods
160
Other Site Operations
161
Dust Control
162
Perimeter Fencing
163
Daily Cover and Intermediate Cover
164
Maintenance
165
Economic Considerations and Cost Estimates for Water Treatment Plant Residual Monofills
167
Cost Estimates for the Monofill Considered for This Chapter
168
Cost Estimate for WTP Residual Monofill
170
Summary
181
Geotechnical Terms
183
Quality Control and Quality Assurance
187
References
195
Acronyms Abbreviations and Symbols
201
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