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Posted by:
sardar abdul samad
19-December-2015

Question added by naseer ahmad naseer ahmad , Foreman(Chemical Process). , Chemical Industry (government sector) D.G.Khan.
Date Posted: 2014/07/10

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2 Answers

by Azrin Kasman , Process & Operations Manager , Suez

Hi Nasser

Since your question is very brief, I will share with you a brief answer too.

Pre Treatment

Ferric Chloride - Sea Water Coagulation
Sodium Hypochlorite or Chlorine Gas - Mainly used to Protect Intake Pipe from Biological growth. Also useful to neutralize Algal Bloom.
Sodium Meta Bisluphate - Dechlorinate Sea Water.
Sulphuric Acid - Sea Water pH Adjustment
Polymer - Additive used combined with Ferric Chloride to optimize Flocculation process.
Sodium Hydroxide - pH Adjustment

Post Treatment

Sodium Hydroxide - 2nd Pass Boron Removal
Anti Scalant - Additive to Protect RO from Scalling
Sodium Hypochlorite or Chlorine Gas - Disinfection
Liquid CO2 - Remineralization of RO Permeate Water
Calcium Hydroxide - Remineralization of RO Permeate Water
Fluoride - Health (tooth)

RO CIP (Clean In Place) Chemical

SMBS
Sodium Hydroxide
Citric Acid
STPP
SLS
EDTA

Aside some Plant also uses chemical below for UF CIP

HCL

Best Regards

Azrin Kasman

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Abraam Allam Ibrahim

by Abraam Allam Ibrahim , Lab Technician , Life lab Laboratories

Plant uses to remove salts from water

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