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Monday, April 12, 2021

Australian scientists work on an innovation that converts salty water into drinking water

Scientists are taking a step further as the technology develops. The water crisis is one of the top problems globally. How about a technology that would convert salty water into a distilled drinking water sounds?

A new innovation has been setting up by a group of scientists in Australia. It looks like a new life for development in the present era. Here is what you should know:


Australian scientists are working on a material that can transform salty seawater into purified drinking water. The innovation will have a huge impact globally. 

Many scientists are working on this project with various research on the same by utilising metal-organic framework compounds (or MOFs) to purify water with the sunlight within half an hour. The process would be efficient than any other.

The scientists built a new MOF, PSP-MIL-53, which is made up of a material MIL-53.


The innovation aims sustainability. The process involves sunlight which is the responsive material with the capacity of high adsorption and, it has renewable property and, it is of low-cost. It includes environmental friendly separation processes. Sunlight stands as the most abundant and renewable source of energy on Earth. 

The researchers are using poly spiropyran acrylate (PSP) and metal-organic framework (MOF) being a sunlight regenerable ion adsorbent. The zwitterionic isomer adsorbs various cations and anions very fast from water in just 30 minutes. The full research abstract published in Nature Sustainability. 

“Our development is of a new adsorbent-based desalination process. It is through the use of sunlight for regeneration which provides an energy-efficient and environmentally-sustainable solution for desalination,” says chemical engineer Huanting Wang from Monash University.

Properties and its use

It is likely to produce water that reaches the World Health Organisation (WHO) criteria for desalination. It said that the technology is cheap, stable, reusable and environmentally friendly. The researchers say that the innovation would produce about 139.5 litres that is nearly 37 gallons of distilled water per day from a kilogram that is 2.2 pounds of metal-organic framework compound material. 

Following four minutes of exposure to the sunlight, the material clears all of the salt ions it’s covered up from the water and will be ready to be utilised over. They added that the new technology provides numerous upgrades on existing desalination methods.

As per WHO about 785 million people lack clean drinking water in the distance of half an hour from where they live, this is usually caused due to climate crisis.

It’s is not yet announced that when would the technology come into existence. Scientists are also working on the methods to draw water out of thin air.

What is MOFs?

MOFs is a very porous element. Just a spoon of the material compressed can be opened to comprise an area, which is almost the size of a football ground. This new method could possibly be put in to the pipes and different water systems, it can produce distilled drinking water.

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