Wastewater Reuse and Recycling

Featured Articles
July 19, 2021 Urban India is hurtling towards a major water crisis. What are the important considerations that the Jal Jeevan Mission (Urban) should take into account to meet the water needs in urban areas?
Will urban India get respite from its water woes? (Image Source: Aathavan Jaffna via Wikimedia Commons)
July 18, 2021 A new report on a baseline assessment of waste in Haridwar and Rishikesh, two major Ganga cities in Uttarakhand tries to characterize solid and plastic waste
There is a need to develop a robust methodology for inventorizing waste (Image:  Prylarer, Pixabay)
December 11, 2019 Policy matters this week
Polythene bags and solid waste left behind as water recedes in the Ganga river. (Source: India Water Portal on Flickr)
November 21, 2019 A report by NIUA brings to light the chinks in Jaipur's sewage system and suggests some solutions.
Routine check done by the sewage treatment plant staff in Delawas, Jaipur. The plant is part of the ADB best practices projects list. (Image: Asian Development Bank, Flickr Commons)
October 25, 2019 Groundwater use has doubled in Pune. Comprehensive mapping of groundwater resources and better management and governance is the need of the hour.
Groundwater, an exploited resource (Image Source: India Water Portal)
Revised guidelines for the centrally sponsored scheme of Common Effluent Treatment Plants (CETPs) - Ministry of Environment & Forests, 2011
The Ministry of Environment & Forests has recently revised the guidelines for the centrally sponsored scheme of Common Effluent Treatment Plants (CETPs). Posted on 25 Sep, 2011 06:03 PM


CETP

Image courtesy: www.projectsmonitor.com

Under the Water (Prevention and Control of Pollution) Act, 1974, every industry has to provide adequate treatment of its effluents before disposal, irrespective of whether it is in stream, land, sewerage system of sea. The small scale industrial units (SSI), which are presently defined as units whose plant and machinery are valued at less than Rs. 5 crore occupy an important place in the country's economy. The SSIs are a major contributor to the total industrial pollution load of the country. However, only a small fraction of the effluent discharge from these units is estimated to be treated as on date.

Decentralized wastewater management – An overview of a community initiatives in New Delhi - Vigyan Vijay Foundation
Ajit Seshadri argues how centralized approaches to wastewater treatment have had limited success in India. Posted on 05 Sep, 2011 11:40 AM

This paper by Ajit Seshadri, Vigyan Vijay Foundation highlights the poor sanitation situation in India and argues that centralized approaches to wastewater treatment have had limited success and there is a need to make wastwater treatment people centric and effective through the use of decentralized systems such as DEWATS (Decentralized Wastewater Treatment Systems). DEWATS are locally organized and people driven systems that typically comprise a settler, anaerobic baffled tanks, filter beds of gravel and sand, and an open pond. The open pond or the polishing tank recreates a living environment for the wastewater to clean itself, naturally.

Delhi Water Privatization - WASH News and policy update
Bi-monthly e-Newsletter of India WASH Forum, Issue 19, July 2011 Posted on 03 Aug, 2011 06:20 PM

Content courtesy: India WASH Forum

India WASH Forum

Scaling up rural sanitation: Findings from the impact evaluation baseline survey in Madhya Pradesh
This technical report edited by the by Water and Sanitation Programme (WSP) and published by the World Bank (WB) summarizes the findings of the baseline survey conducted in Madhya Pradesh (MP), India, which was a part of an Impact Evaluation (IE) study that aimed at assessing the impact of the Global Scaling up Rural Sanitation Project launched by the Water and Sanitation Programme, in India. Posted on 24 Jun, 2011 03:43 PM

This report is a part of a series of papers that analysed the baseline data from all countries where the program was implemented.

Soil biotechnology installation and water interventions at ACCEPT Society, Bangalore - Videos by Arghyam
This film describes various water related interventions at ACCEPT which are taking it towards water self-sufficiency. Posted on 23 Jun, 2011 12:15 PM

 

Water interventions in the society

The society is an AIDS care hospice of about 5 acres, on the outskirts of Bangalore.

Decentralised sustainable approach to sewage and waste water treatment for urban India
Water – the most important factor which brings beauty to any place – Posted on 31 May, 2011 03:17 PM

 the small ponds, the lakes, the rivers flows into backwaters, the sea, and the wells catching the abundant rain water enabling such vegetation and greenery all around……

Water – also the factor, which brings the biggest of problems to urban life –

  • mosquitoes,
  • bad stench from clogged dirty canals,
  • floods and water logging especially in the monsoons,
  • roads breaking up because of poor drainage,
  • drinking water scarcity in many parts of the city,
  • water borne diseases and health problems
The Goa sewerage system and sanitation services management act - Government of Goa
This document describes the details of the Goa Sewerage System and Sanitation Services Management Act. Posted on 20 May, 2011 04:26 PM

This document describes the Goa Sewerage System and Sanitation Services Management Act and includes:

Short title, extent and commencement
Definitions of the terms used in the Act
Management of sewerage system and sanitation services
Prohibition of nuisance
Exemptions
Taking over sewerage systems and sanitation facilities developed by other
Dispute Redressal Authority
Appeal
Offences and penalties
Act to have effect in addition to other Acts
Protection of action taken in good faith
Power to make rules

Recycling of water during distillation in laboratories and industries saves gallons of water - Blog post by Dr K K Sharma
Glass distillation is commonly used in almost all the laboratories in the world for preparation of distilled water, plant extraction and in many pharmaceutical processes. Posted on 11 May, 2011 02:21 PM

 In the process of distillation vapors passing through the condenser tube are cooled and condensed by water flowing through condenser tube in the condenser unit of the apparatus. In almost all laboratories the water used for cooling the condenser tube is coming from the water supply tap near the wash basin. The precious water after circulating through the condenser tube is left into the drain as wastewater. It has been observed that about 40 liters of water is required for cooling for making 500 ml of distilled water. The water after cooling is generally left to go into the drain.

The following video has been prepared by me and is released by youtube. The video gives good information for those who want to learn about the traditional method of glass distillation and the modified Recycling Distillation Technique (Sharma, 2004) that saves gallons of water.

 

 

Water and wastewater treatment plants - A profile of Dayal Construction Company
We are a joint venture technology driven emerging company in the field of construction and water & wastewater treatment. Posted on 19 Apr, 2011 05:01 AM

The promoters have a combined industrial experience of more than 50 years in construction, water & wastewater treatment in fertilizer, power, electronics, steel, textile, chemicals, dyestuff & bulk drugs. The company provides total solution for complex water & wastewater problems and has created a niche for itself.

Wastewater reuse in apartment buildings in Bangalore - S Vishwanath
As apartments spring up in all parts of the city , it is imperative that certain steps be put in place for the safe and sustainable management of water and sanitation. Posted on 14 Apr, 2011 10:12 AM

 Even if an apartment uses as less as 5000 litres of water a day it must have a wastewater recycling system which does such a thorough job that the treated wastewater is reused to replace fresh water and not for simply disposing off into the environment in a safe way. It is simply not good enough for treated wastewater to be used for watering lawns, an unnecessary demand.

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