Inactivation of Microorganisms in Sewage Sludge by Stabilization Processes

BOOK COVER......Page 1
HALF-TITLE......Page 2
TITLE......Page 4
COPYRIGHT......Page 5
PREFACE......Page 6
CONTENTS......Page 7
SESSION I......Page 9
2.1 Viruses and cells......Page 10
2.2 Pilot plant and experimental set-up......Page 11
3.2 Experiments with bovine enterovirus ECBO-LCR-4 (BEV)......Page 12
3.3 Experiments with Reovirus Type 1 (RV)......Page 13
5. REFERENCES......Page 14
2.1 Pilot Plant......Page 25
2.4 Isolation methods......Page 26
4. REFERENCES......Page 27
2. STABILIZATION USING PURE OXYGEN......Page 31
4.2 Temperatures......Page 32
4.3 Microbiological aspects......Page 33
6. REFERENCES......Page 36
1. INTRODUCTION......Page 38
2.2 Two-stage system......Page 39
2.2.2 Results......Page 42
3. DISCUSSION......Page 43
4. REFERENCES......Page 46
2.1. Composting systems......Page 47
3.1. Practical systems of composting......Page 48
3.2.2. Static pile......Page 49
3.3.1. Vertical reactors......Page 50
4. CONCLUSIONS......Page 51
REFERENCES......Page 52
2.2 Short description of the sewage works......Page 54
3. DISINFECTION OF RAW SLUDGE......Page 57
2. MATERIAL AND METHODS......Page 59
3.2 Effects of limed raw sludge on a following digestion process in laboratory scale......Page 60
3.2.4 Results of step 4 (day 51–60)......Page 62
5. REFERENCES......Page 65
SESSION II......Page 66
2. LITERATURE......Page 67
3.2 Experiments with limed digested sludge......Page 68
4.2  Results of the experiments with limed digested sludge (Table III)......Page 69
5.1 Survey in sewage treatment plants in Baden-Württemberg......Page 70
6. REFERENCES......Page 71
ANNEX I  Parasitological investigation methods used......Page 72
2. DESCRIPTION OF THE WASTE-WATER TREATMENT PLANT......Page 74
3. MATERIAL AND METHODS......Page 75
5. LITERATURE......Page 76
2. METHODS......Page 80
3. RESULTS......Page 81
REFERENCES......Page 82
1. INTRODUCTION......Page 83
2.6 Experimental protocols and different treatments examined......Page 84
3. RESULTS......Page 86
6. REFERENCES......Page 88
1. INTRODUCTION......Page 90
3. SURVIVAL EXPERIMENTS WITH TEST ORGANISMS FREE SUSPENDED IN DRIN-KING WATER......Page 91
4. SURVIVAL EXPERIMENTS WITH SALMONELLA SENFTENBERG SUSPENDED IN LIQUID MANURE......Page 93
5. DISCUSSION......Page 95
LITERATURE......Page 96
1. INTRODUCTION......Page 97
2. MATERIALS AND METHODS......Page 98
3. RESULTS......Page 99
6. REFERENCES......Page 102
2.1.1.1 Crushed garbage......Page 104
2.1.2 The composts......Page 105
3 Results......Page 106
5 References......Page 108
2.1 Pilot-plant......Page 110
2.3 Nature of sludges and volumes used for charging of the reed planted filter beds......Page 111
3. RESULTS......Page 112
4. DISCUSSION......Page 113
5. REFERENCES......Page 114
CONCLUSIONS......Page 125
TECHNICAL VISITS......Page 127
1. INTRODUCTION......Page 128
4.3. Aeration system......Page 129
4.4. Reactor design and construction......Page 130
6. HEAT RECOVERY......Page 131
7.4. Sedimentation and dewatering characteristics......Page 132
8. References......Page 133
2. REQUIREMENTS FOR A GOOD ROTTING PROCESS......Page 136
3. EXISTING METHODS AND SYSTEMS......Page 137
4. HEAT RECOVERY DURING THE COMPOSTING OF SLUDGE......Page 141
5. COSTS......Page 142
LIST OF PARTICIPANTS......Page 145