revised_Application technology reverse osmosis in the Water utilities sector

Nanofiltration/Reverse osmosis with CO2

Increased lifetime of membranes

GAS APPLICATION

CO2-injection is used in both avoidance measures and in cleaning cycles:

 

pH-adjustment of the inlet water prevents scale build-up on the membranes. Depending on further use, CO2 is the acid of choice
A rinse foaccording the CO2-water flush process* cleans spirally wound membranes of organic deposits and particles. Water satured with CO2 is used as rinsing water. The targeted degassing of CO2 in the spacer channels leads to a significant increase in the rinsing turbulence and causes efficient removal of contamination from the spacers.
Advantages compared to chemical cleaning:

Very short cleaning time: 5 minutes compared to 8 hours
Higher cleaning efficiency for the spacers  
Environment-friendly: the CO2-footprint is reduced by up to 75 %
Existing plants can be retrofitted  
Low investment and operating costs


MESSER SOLUTION


For membrane processes Messer provides

Design of pH-adjustement and of the CO2-saturated water preparation   
CO2-unit with supply tanks, evaporator, metering station and feed hardware
CO2 supply
Support from our national and international experts
 

* The CO2-water flush process is protected by patents belonging to Vitens and WE Consult (NL) and is marketed under license by RWB Water

revised_Application technology reverse osmosis in the Water utilities sector

Nanofiltration/Reverse osmosis with CO2

Increased lifetime of membranes

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Съгласявам се с GDPR политиката на Messer Group. Мога да оттегля съгласието си по всяко време.