Nono filtration system remove colour for dye waste water concentrate

Many dyes contained in textile and printing and dyeing waste water are difficult to remove by biological methods. The practical experience of our company for WestPoint home textile Bahrainr, the largest printing and dyeing company in Bahrain, shows that the biochemical method and RO process of cotton spinning mill waste water are difficult to completely remove the waste water. Using nano filtration RO combined process, nano filtration can completely remove the color, COD removal is 80%-100%, the salt rejection rate is about 65%, and the water produced reaches the standard for reuse.

Typical printing and dyeing waste water treatment and reuse treatment processes are as follows: wastewater treatment --- ultra filtration - nano filtration --- reverse osmosis. The above practice has proved the feasibility of UF/NF and RO integrated membrane technology for textile waste water reuse.

Client want to purchase Nano filtration system for Dye waste water concentrate.

And ask us help to select the right product for purchase.

Clinet told us his  have  ware water treatment system. Also we have RO for recycling the treated color waste water. We need Nano filter to install ahead of RO reject color water.To separate the color from waste water

To get color concentrate and Color less salty water from nano filters

Client don't have concentrated color and salts this membrane is working on color water having.

TDS 3500 mg/liter

Color 500 PtCo

COD 300mg/liter

BOD  5mg/liter

Sulfate ions 1400mg/liter

Chlorides ions 300 ppm

Client want to separate the color and sulfate ions from the water.

His waste water has some time temperature of 60 degree. And we choose compatible membranes whih can bear the temperature of 60 degremembrane.

Finally we found one type of Nano membrane from Synder filtration.Synder Nano Filtration membrane Model NFW.This membrane used to separate color.

Client finally will dilute the concentrate  of 1st Nano and then feed to 2nd Nano filtration. Purpose is to recover the salt as maximum as possible from the color waste water.

Color water has color and salt  mixed

Because in one stage we could not separate salt more than 50%,That’s why will add water again to concentrate colored water and recover salt water from the concentrate using second Nano filtration.

1st Nano 40 m3/hour

2nd Nano 25m3/hour

The nano filtration system we finished commissioning on July 12th. and it departure on July 22th.

More nano filtration system for remover waste water colour. please contact us.

For more information on our available Nano filtration system remove colour from waste water, contact us now.

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