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MEE system for RO reject handling is a Cost Effective Solution

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MEE (Multi Effect Evaporator) system for RO reject handling is a Cost Effective Solution 

Water is considered potable when its TDS is below 500 mg/l. When we talk about RO reject water which has a TDS of about 3000 to 60000 mg/l and brackish water has a TDS between 1000 mg/l and 25000 mg/l.

Rajasthan Pollution Control Board has given notice to all industries in Rajasthan that who has RO treatment plant they should have Zero Liquid Discharge (ZLD) system for handling RO reject water in plant.

We have received requirements from Jaipur, Bhiwadi, Pali, Balotara, Bhilwara, Ajmer and other cities of Rajasthan for establishing Zero Liquid Discharge (ZLD) system due to they served for a notice to establish this unit.

Since it was not compulsory before to have ZLD system in plant but now it became mandatory for all. It was costlier system for any industry also was a reason to not adopt this system frequently here.

Water Science, water management and water technology has to play a dominant role…

Zero Liquid Discharge ZLD is getting compulsory in Rajasthan

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Green Rajasthan Clean Rajasthan - Doing Compulsory ZLD in Factories


State Pollution Board is getting hard note from NGT towards making Rajasthan Pollution free. Mainly Textile zone of Rajasthan is getting compulsory notice of doing ZLD in their plants. They have to reuse maximum waste water in process otherwise Govt. will cut the electricity connection.



Technologies Used in Conventional ZLD systems

ZLD system involves a range of advanced waste water treatment technology to recycle, recovery and reuse of the treated wastewater and thereby ensure there is no discharge of waste water (liquid and soiled) to environment


Ponds evaporation systemMechanical evaporation systemSpraying (Mist) Evaporation systemMulti Effect EvaporatorsMulti Stage Flash
Now a days in advanced technology there are mainly two Processes used for ZLD:

Multi Effect EvaporatorsMulti Stage Flash
1. Multi Effect Evaporators

Multi Effect Evaporators is a process of mechanical in which essentially a heat exchanger to boiled a …