Desalination

 


Senoko Power Desalination Plant, Singapore

 

The use of desalination has overcome the paradox faced by many coastal communities, that is having access to a practically inexhaustible supply of saline water but having no way to use it. To date, only a limited number of desalination plants have been built compared to the rest of the water treatment plants, primarily because the cost of desalination is generally higher than the costs of other water supply alternatives available (e.g. water transfers and groundwater pumping). However, due to technological advances which have driven down the production cost of desalinated water, drought conditions occurring and concerns over water availability, more desalination projects are being proposed at numerous locations around the world.

 


Sand filtration for Sohar Oil Refinery Seawater Desalination Plant in Oman

 

 
Senoko Power Desalination Plant, Singapore
 
Senoko Power Desalination Plant
- Ultra filtration membranes

 

Our team of qualified water treatment specialists has engineered various sophisticated desalination processes for brackish water or seawater through reverse osmosis as a means of obtaining quality drinking water, as well as high-purity water for power and industrial use.

 

 
JGC - Sohar Refinery Project, Oman
 
Saudi Aramco Hawiyah Gas Project - Brackish Water Reverse Osmosis

 

Awarded with numerous desalination plant operation and maintenance contracts, our desalination plant clients have justified confidence in our strong international record and in-depth domain expertise in building reverse osmosis desalination plants.

 

Boustead Salcon's Reverse Osmosis Desalination Process

 

Salcon's reverse osmosis desalination system consists of four major components/processes:

  1. Pre-treatment
  2. Pressurisation
  3. Membrane separation
  4. Post-treatment stabilisation

The basic components of a reverse osmosis system are shown below:

Pre-Treatment

  • Conventional or membrane filtration
  • Cartridge filtration
  • Chemical addition – chlorine, coagulant, antiscalant, acid

Pressurisation

  • High pressure feed pumps with energy recovery system

Membrane Separation

  • Reverse osmosis membranes

Post-Treatment

  • pH adjustment
  • Disinfection
  • Sterilisation
  • Second stage reverse osmosis

 

 
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