Table of contents
Undertaking i
Certificate iii
Acknowledgments v
Abstract vii
Table of contents x
List of figures xii
List of tables xi
1 Introduction 13
1.1 Background assessment 13
1.2 Importance of decentralized sewage treatment plant.. 14
1.3 Need of decentralized sewage treatment plant 14
1.4 Why to treat water? 14
1.5 Aim, Objective & Methodology 15
2 Literature & primary survey 1 7
2.1 Guidelines 17
2.2 Case studies 18
2.2.1 Best practices 21
2.3 Site selection and analysis 23
2.4 Identification of problem 27
2.5 Problem analysis of non-functional sewage treatment plant 28
2.6 STP technology comparison 29
2.7 Sewage treatment plant technology comparison 29
3 Key findings and secondary survey 31
3 .1 Awareness activity 31
3 Key findings and secondary survey xxxi
3.1 Awareness activity xxxi
3.2 Voice of the society xxxiii
3.3 Sewage treatment plant comparison on existing sites xxxv
3.4 Electricity charges worksheet xxxvii
3.5 Criteria for selection of sewage treatment plant technology xxxix
3.6 Sustainability xl
4 Recommendation xliii
4.1 Introduction xliii
4.2 How is NBS different from the conventional Sewage treatment plant? xliii
4.3 Life span of nature based solution xliv
4.4 Differences between conventional STP & NBS STP xlv
4.5 Digital paani xlvii
5 References l
Appendix 1: liii