WOG: Waste Water Treatment/Recycle of Textile Effluent
Renowned textile mills manufacture different types of textile products in their factory located in Pakistan. The manufacturing process generates a large quantity of wastewater (5500 m3/day, COD 3500mg/l).
WOG conducted a detailed survey of wastewater generation and water consumption in the manufacturing facilities & Evaluated possibilities of elimination of chemical use in the wastewater treatment plant
WOG evaluated options of Recycling 92.75% of wastewater Back to process for Treatment (5100 m3/day).
WOG targeted on below points:
- Elimination of the use of ACID for pH adjustment from pH 11.5 to 7.
- Flue gas from the power plant. Flue gas injection system developed to dissolve CO2 present in flue gas into wastewater. By this means a reduction of pH adjustment is done from 11.5 to 7.0.
- Completely elimination of the use of the chemical in the primary treatment section
- An advanced Membrane Based Biological system is installed to produce superior quality treated water.
- To meet water quality to recycle in the process – Two-Stage RO system installed.
- No pre-treatment before RO, as water quality from MBR is superior.
- An energy recovery system is provided to optimize energy consumption.
RESULT OF TREATMENT PROVIDED BY WOG
- Biologically treated effluent COD remains less than 100ppm and BOD remains < 5ppm.
- COD Removal efficiency across MBR is 95%+
To know more, please check WOG Group.
