Cernol Water Solutions AMM PRESENTATION @ Domaine Les Pailles

BERNARD COMARMOND GENERAL MANAGER

On-Site Experts

06.06.12

Cernol Water Solutions The Cernol Water Solutions

is a joint venture between Cernol Chemicals and Improchem since March 2001. Improchem is part of the AECI Group based in south Africa.

We source our technology from GE USA which is represented worldwide.

Cernol Water Solutions Objectives Our main goal is to become the leading water treatment company in the Indian Ocean through our expertise and commitment.

CHEMICAL EVOLUTION OF WATER TREATMENT IN MAURITIUS

 Potato  Carbonate  Lignin and tannin  Phosphate  EDTA  Phosphonates  Polymers  Phosphate Polymers

Make-up Water Primary Pretreatment Boiler System Secondary Pretreatment Condensate Steam Header Boiler Feedwater Blowdown Chemical Feed Systems

EQUIPMENT EVOLUTION IN MAURITIUS

 Mostly chemical treatment  Filtration plus softening  Demineralisation Achieved less water usage Less chemical consumption Effective use of bagasse and coal Less pollution to the environment  Reverse Osmosis Capital Investment high but with low running cost Less pollution to the environment

CASE STUDY

 1972 Water treatment for boiler, A compound and catalysed sulphite  1984 44Bar coal bagasse boiler installed  1995 Installation of Demin plant ( saving of bagasse for 2 months after crop)  1998 Installation of second HP boiler 44bar  2011 Installation of reverse osmosis

How does RO work?

P 2 P 1

H 2 O H 2 O Strong Solution H 2 O Water OSMOSIS PROCESS H 2 O H 2 O Strong Solution H 2 O Water REVERSE OSMOSIS PROCESS

Reverse Osmosis Basics FEEDWATER 100 gpm 600 ppm TDS REJECT PERMEATE 75 gpm 75% Recovery 30 ppm TDS 5% Salt Passage 25 gpm 25% Reject 2310 ppm TDS 95% Salt Rejection

RO Process Module =Membrane Element + Pressure Vessel

Concentrate High Pressure Pump Permeate

BOILER PRESSURE USING BAGASSE

 CTBV 80 bar boiler  CTSAV 80 bar boiler  Medine 31 bar boiler  CEL 44 bar boiler  FUEL 44 bar boiler

Cernol Water Solutions

Our main objective is to be the No. 1 water treatment company in the region.

On-Site Experts