23/March
What is the most efficient technique to desalinate water?

More than 70% of the Earth’s surface is covered in water, yet there are billions of people who are deprived of water. This is due to the fact that the available water is not suitable for drinking. The vast amount of seawater and brackish water present in the land is not suitable for human consumption or industrial use.
The only option that is left is to desalinate the seawater so that the huge amount of seawater can be utilized for various purposes. Clean water is needed not only for drinking, but also for various industrial purposes. Which is why there is an urgent need for desalination plants. Such plants have helped industries address the urgent need of fresh and clean water.
There are many ways of desalinating water. Efficient desalination plants employ these methods to provide a very cost-effective solution for desalination.
What is Desalination?
Desalination is a process of removing contaminants like mineral solvents from the saline water. As you know that seawater and brackish waster have a wide range of mineral components in it. This makes them unsuitable for drinking or industrial use.
To make saline water suitable for use, various methods are used, such as:
• Adsorption Desalination (AD)
• Membrane Distillation (MD)
• Reverse Osmosis Desalination (RO)
• Multi-Effect Distillation (MED)
• Multi-Stage Flash Distillation (MSF)
These are some of the best desalination methods that can make water clean and pure for human use. With the help of efficient desalination plant, industries can easily convert saline water into potable water and successfully address the need for clean water.
Read More: What are the benefits of installing desalination plants?
Reverse osmosis (RO) and Nanofiltration (NF)
The Reverse Osmosis (RO) is a highly efficient method that can help desalinate saline water. It is a method that is widely used at homes too. Water purifiers has RO technology that can eliminate mineral contaminates up to 99%. This helps in making water more suitable for drinking.
RO is also one of the most efficient desalination techniques that can help purify water and make it suitable for drinking. In this method, where the saline water is made to go through a filter membrane. The membrane allows the water to flow though while retaining most of the mineral solvent present in the water. This method helps in making water potable and suitable for drinking.
When it comes to the most efficient desalination methods, the RO technique is one of the best ones. The same process is used in the Nanofiltration (NF) desalination technique.
Multi-effect evaporation (MED) and multistage flash evaporation (MSF)
After RO, the Multi-effect evaporation (MED) and multistage flash evaporation (MSF) is one of the most efficient methods. It involves multiple stages of evaporation to remove the contaminants from the water. The water is desalinated using different temp and pressure conditions in the various stages. It means that on every stage the water is made to evaporate at a different temperature and pressure.
Compared to various other methods, the MED process is the most advanced ones. It is also highly efficient. Desalination solution providers have now used different ways to reduce the cost of MED and MSF. The huge cost was one of the reasons why they were not considered as suitable for desalination.
When it comes to industrial desalination, the MED process is one of the most effective methods.
Membrane Distillation Plants (MD)
The next most efficient method of desalination is the membrane distillation or MD. In this process, method called vapor pressure gradient is used. It is created on side of the membrane which helps in separating the non-volatile matter from the volatile matter. It is a highly effective method and simple too.
Compared to various other desalination methods, the MD is one of the most efficient and cost-effective method. Less power is utilized in this method which is one of the reasons for the low-cost. Efficient desalination plants can easily employ this method and make water more suitable for drinking and for various industrial purposes.
Direct Osmosis Plants (FO)
The Direct Osmosis is another popular as well as efficient method of desalination. The desalination method is also known as the Forward Osmosis. In this method, the desalination plants use the power of osmotic pressure gradient to create diffusion of water using a semipermeable membrane. This results in the movement of water from a diluted solution to more concentrated solution.
The most important feature of this method is that it is a natural process and doesn’t really need high pressure. It also needs less energy to work. And, this method is widely used for water treatment and waste water treatment needs.
Compared to others, this method is also a highly efficient and cost-effective method for use in efficient desalination plants.
The Bottom-line
Desalination process is one of the best ways to address the issue of water shortage for industries. These 4 methods are highly effective and reliable and can help desalinate the saline water from sea and brackish water resources so that industries can use it for their production. These methods are not only highly efficient, they are cost-effective too.
When it comes to efficient desalination plants, you need a reliable partner like the Keiken Engineering. We have been providing high-quality, reliable and cost-effective desalination solution to various industries, especially the water treatment and waste water treatment industries. We use the best methods and techniques to achieve the goal. We have a team of experts who know the process. Our customized solution is what you need to get the best water treatment and supply solution.
Contact us at info@keiken.es or call us at +34 91 057 72 54 or +34 93 681 16 50.