Chemical Sciences

Title :

An integrated approach for addressing the challenges in water and wastewater sector by implementation of suitable technologies

Area of research :

Chemical Sciences, Earth, Atmosphere & Environment Sciences

Focus area :

Water and wastewater sector

Principal Investigator :

Director, CSIR-National Geophysical Research Institute (CSIR-NGRI), Hyderabad

Timeline Start Year :


Timeline End Year :


Contact info :


Executive Summary :

Objective: To ensure complete removal of arsenic [As(III) and As(V)] from contaminated water by using iron and other sacrificial metals. To assess the role of interfering species like natural organic matter, silicate, and phosphate on the longevity on Permeable Point of Use (POU) filter column. To investigate the effect of residence time, percentage of active material on the permeability and reactivity of Point of Use (POU) filter column. Design and fabrication of lab scale MD modular system based on numerical studies. Development of modified PVDF-co-HFP and mixed matrix nanocomposite hydrophobic membranes for MD process. Optimization of designing and process parameters variables for scale up of MD system. Bulk synthesis of nano gamma alumina and chemically modified nanoalumina particles through different process routes Page 8 of 20. Development of cartridges and filter device that can remove arsenic from contaminated water and optimization of doses at the lab level.3. Lab performance evaluation of the device . Develop waste management process. Industry interaction and technology transfer. Fabrication of engineered nanomaterials incorporated reusable membrane with antibacterial, antifungal and antifouling properties. Nanostructured materials based portable modules with specific pre-filters to remove As and Fe.3. Fabrication of bioelectrochemical treatment (BET) system using nanostructured functional materials for treating. Design and develop a sensor that could be fabricated as a lab-on-a-chip sensor, to detect Arsenic and Fluoride in water . Survey of users of twin pit systems to understand limitations. Design and Development of a low-cost membrane/ bio/material /barrier system for controlling the pollutants during leaching process. Lab-scale validation and optimization of process parameters.. Demonstration of an improved twin-pit system addressing cross contamination of ground water reserves at the sites.

Organizations involved