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Archive for August, 2012

CIP device of Reverse Osmosis system

August 24, 2012 4 comments

 

 

 

 

 

 

 

 

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RO membranechemical cleaning

August 2, 2012 Leave a comment
Chemical

Foulant

0.1%(w)NaOH

1.0%(w)Na4EDTA

PH12 35oC max

0.1%(w)NaOH

0.025%(w)Na-SDS

PH12 35oC max

0.2%(w)HCl

PH1~2 25oC

1.0%(w)

Na2S2O4

PH5 25oC max

0.5%(w)

H3PO4

PH1~2 25oC

1.0%(w)

NH2SO3H

PH3~24

25oC

2.0%(w)

Citric acid

 

Inorganic Salts

(eg.CaCO3)

Preferred Alternative Alternative Alternative
Sulfate Scales

(CaSO4,BaSO4)

Preferred Alternative
Metal Oxides

(eg. iron)

Preferred Alternative Alternative Alternative
Inorganic Colloids(silt) Preferred
Silica Alternative Preferred
Biofilms Alternative Preferred
Organic 1stcleaning

Alternative

1stcleaning

Preferred

2ndcleaning

Preferred