SLUDGE MANAGEMENT

Bhola R. Gurjar, Vinay Kumar Tyagi

Marzo de 2017          Páginas: 304        Cartoné

Código 7201        ISBN/EAN: 9781138029545

Table of Contents

Introduction

1. Sludge: An Overview
1.1 Introduction
1.2 Sources of Sludge
1.3 Sludge Categorisation
1.4 Sludge Characteristics
1.5 Sludge Characterisation Parameters
1.6 Moisture Content of Sludge
1.7 Sludge Generation

2 Pumping of Sludge
2.1 Introduction
2.2 Sludge-flow Characteristics
2.3 Sludge Piping
2.4 Sludge Head-loss
2.5 Power Requirement
2.6 Sludge Pumps
2.7 Pumps for Different Types of Sludge
2.8 Controls

3. Treatment of Sludge
3.1 Introduction
3.2 Definitions
3.3 Methods of Sludge Treatment
3.4 Flow-sheets of Sludge Treatment
3.5 Preliminary Treatments

4. Thickening of Sludge
4.1 Introduction
4.2 Operational Principles
4.3 Descriptions
4.4 Sludge-thickening at Small Plants
4.5 Benefits of Sludge Thickening

5. Sludge Conditioning
5.1 Introduction
5.2 Chemical Conditioning
5.3 Thermal Conditioning
5.4 Freeze-thaw Conditioning
5.5 Conditioning Process Optimisation
5.6 Factors Affecting Sludge Conditioning

6. Sludge Dewatering
6.1 Introduction
6.2 Controlling Factors
6.3 Natural Methods
6.4 Mechanical Methods
6.5 Sludge Dewatering at Small Plants

7. Biological Stabilisation of Sludge
7.1 Introduction
7.2 Sludge Digestion
7.3 Anaerobic Digestion Process
7.4 Aerobic Digestion Process
7.5 Process Advancements
7.6 Sludge Composting

8. Non-Biological Sludge Stabilisation
8.1 Introduction
8.2 Thermal Treatment
8.3 Alkaline Stabilisation
8.4 Chlorine Oxidation Process
8.5 Advancement in Physicochemical Methods

9. Sludge Stabilisation at Small Works
9.1 Introduction
9.2 Governing Factors
9.3 Process Types

10. Sludge Minimisation Technologies
10.1 Introduction
10.2 Treatment in Wastewater Line
10.3 Process in the Sludge Line
10.4 Processes in the Final Waste Line

11. Sludge Disinfection and Thermal Drying Processes
11.1 Disinfection of Sludge
11.2 Thermal Drying of Sludge

12. Thermal Treatment and Sludge Disposal
12.1 Introduction
12.2 Process Types
12.3 Thermal Processes
12.4 Process Advancements

13. Sludge Disposal Methods, Problems and Solutions
13.1 Introduction
13.2 Sludge Disposal Problems and Solutions
13.3 Relevant Case Studies
13.4 Summary

14. Energy and Resource Recovery from Sludge
14.1 Introduction
14.2 Characteristics of Sludge
14.3 Construction Material
14.4 Nutrients
14.5 Heavy Metals
14.6 Biofuels
14.7 Electricity
14.8 Protein and Enzymes
14.9 Beneficial Reuse of Sludge across the Globe
14.10 Techno-economic and Social Feasibility
14.11 Summary

Problems

Concluding Remarks

References

Index