Purification of Waste Water from RO purifiers and it’s Re-usage

Submitted by:

Neha Kaushal

Prachi Rajput

CSIR-CSIO, Chandigarh

Unmet Need Identification

An average

RO purifier

wastes approx. 3 L

of water for every

1 L of purified water

Existing Practices of Reuse

Drawbacks

High TDS, alkalinity and Sodium content causes harm to soil and surfaces

Proposed Work Plan

Xylem Filter

Novelty

Application of regionally available plants Xylem not yet explored for treatment of RO reject water such as Thuja (common name: Morpankhi) and Cook Pine (common name: Christmas Tree). Investigation of parameters like hardness, COD, BOD, alkalinity etc.

THANK YOU !!!!