Online Training on Basics of Decentralized Wastewater Treatment and Local Reuse

After the success of previous course held during early 2020, School of Water and Waste (CSE) again launched its most demanding online course on Basics of Decentralized Wastewater Treatment and Local Reuse. The course was 4 week long with a similar structure to its previous course and scheduled from 17 December, 2020 - 15 January, 2021.

The online course was attended by more than 100 participants. An interesting mix of participants being national and international (from China, Sri Lanka, Bangladesh, USA, South Africa, Nigeria, Rwanda) ranging from organizations like WaterAid, IITs, NITs, CEPT University, State Universities, SPAs, NIUA, WRC, DJB, SUDA, SMCG, IWA, RCUES, Municipal Corporations, Alluvium International Pvt Ltd, Tata Motors, Apollo Tyres, ICT, BIARDA, NGOs and consultancy firms were part of the course.

The course was designed in such a way that participants receive an initial level of understanding about the concept of decentralized wastewater management. The main aim of the course was to build awareness about the issues and potential of decentralized wastewater treatment including successfully implemented case studies of local reuse of treated wastewater.

This online course was divided into 4 different modules which were covered in 4 weeks. The course material has been provided on Moodle platform on weekly basis and methodology of the course included active learning of 14 hours and essential reading of 10 hours. It comprised presentations, quizzes and short assessments, case studies and exercises, video documentaries, live discussions on the forum and online interactions with experts at CSE.

In the first week the participants were given an overview of the current water and sanitation scenario in developing countries of Global South. It helped participants to understand the urbanization trends across Global South and its implications on water and sanitation. In this module participants got to know the impact of conventional water and wastewater management approach to biodiversity, understand the sanitation scenario of a city/country with the help of state-of-art tool, Excreta Flow Diagram or Shit Flow Diagram (SFD) and why there is a need for a paradigm shift.

In the second week participants were provided with a basic understanding of wastewater and its characteristic, which was followed by the Concepts and Principles of Decentralized Wastewater Treatment. The module gave an in-depth understanding of the scope and scale of implementation of the decentralized approach and its applicability and linkage to water sensitive urban design and planning, city sanitation plan and SDG goals.

Third week of the course covered a detailed learning about various decentralized wastewater treatment technologies supported by successfully implemented best management practices through web based portal MOUNT (Menu on un-networked technologies).

Last module of the course was focused on enabling environment and it provided knowledge about the principles of circular economy and resource recovery. The module concluded various factors impacting the enabling environment.

The course assessment was done through the short quizzes after each module and a final assignment based on brainstorming exercise at the end of the course. The participants were very enthusiastic and actively participated during the discussions in discussion forum on Moodle platform. Overall the course has received positive feedback from the participants.



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It was an eye opening course that gave me a clear perspective on the global situation as well as India's work up until the present and future challenges. I got to learn about all types of decentralized systems. Module 3 was especially interesting and useful as the thumb rules to ratify the design and dimensions of systems is always useful. I would have liked to learn more about the technicalities of DWWTs in detail and depth and hope that a course could be designed for the study of the technical designs of DWWTS. I thoroughly enjoyed the Final Assignment as it forced me to think and draw practical design conclusions.

Priyadarshini C Mahalingashetty
Director, Firefly Life Sciences Pvt. Ltd.
It was an amazing, excellent and motivating course. I had no idea about such a big issue of sanitation in India before joining this course, I had some glimpse but really this course guided me in right direction to take necessary steps which follows under my profession. Great mentors were assigned by CSE, they are always there to help, clear doubts and support me. The time and money i have spent on this course is really worthy and I'm really proud of the part of this training program. Looking forward to more such programs.

Abhijit Milind Waghre
Research Intern, Environmental Foundation of India
My keen interest in the water/wastewater treatment industry motivated me to join this course and to my surprise I learnt and gained knowledge much beyond my expectation. There was a lot of data and study material shared with us and it was a thrilling experience to learn about the various technologies and practices involved in the DWWT system. The course content was well organized and all the queries were answered timely. I would highly recommend all the environment enthusiasts to give a try to the course and programmes of CSE. It is all worth your time and money.

Samreen Fatima
Research Intern, TERI University
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