Original Query: B. Hariharasubramanian, TWAD Board, Chennai
Posted: 29 December 2005

Dear All,

I am Hariharasubramanian working as Joint Chief Engineer (Planning and Design), Tamil Nadu Water Supply And Drainage (TWAD) Board Head Office located at Chennai. At present, we are implementing underground sewerage schemes in various towns in Tamil Nadu.

In this regard, I would like to know from the Network Members, whether anyone has the experience in adopting bio-technology enzymes process for waste water treatment. This process is in experimental stage in various locations. I would appreciate relevant information of the bio-technology enzymes process, economics, type of infra-structure and/or other related details and lessons. Your responses will be vital in finalizing the methodology and implementation of underground sewerage schemes (UGSS) in various towns in Tamil Nadu.

I look forward to your responses.

Please see attachment below for the responses.