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[object Object],Decentralised waste water treatment systems Auroville Centre for Scientific  Research
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Pre-treatment device Settler
 
Pre-treatment Settler 1 st  treatment Baffled tank reactor
 
 
Anaerobic filter
 
Planted gravel filter
 
Polishing pond
 
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Natural treatment of waste water occurs by channeling the effluent through several devices:
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Underground  anaerobic  process  Above ground level  aerobic  process CPCB standards are met at this point, except for the smell control Overview of the different devices
Surya Nivas, 2003 – 12 users
 
Samasiti, 2009 -  25   PE
Solar Kitchen, 1998 – 40 m³
 
 
Surya Nepal Pvt Ltd (subsidiary of ITC) 125 m³/day
 
 
Surya Nivas, Nepal 60 m³ /day
 
Kadambadi settlement Nagipattinam Post Tsunami Dewats projects
 
 
 
 
 
Vortex systems for waste water treatment
 
 
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Integrating ATS – Algal Turf Scrubbers the use of algae for cleaning toxic waste water
 
 
Auromode
“ And justify the light on Nature’s face.”

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Dewats Decentralised natural waste water treatment system