Solved the Problem of Fresh Water Through 3D Printing Technology

(Solved the Problem of Fresh Water Through 3D Printing Technology)

A team of researchers from China and Singapore has 3D printed a device that
can use the heat generated by the sun's rays to make sea water safe to
drink.

The scientist’s new type of purifier is based on a fully printed ceramic
core, with an integrated solar absorber, insulator, and water delivery device,
which can collect and desalinate without any settings. The conversion efficiency
of the device is 98% and it also meets the standards of the World Health
Organization (WHO), which may make it an ideal choice for solving the global
water shortage in a sustainable and energy-efficient way.

Dealing with drought through desalination

As the global population continues to grow, and climate change begins to
bring new challenges, it is increasingly difficult to obtain safe drinking water
in the poorer regions of the world. At the same time, the earth’s oceans account
for more than 70% of the earth’s surface, but only 2.5% of fresh water for
drinking, which makes seawater purification technology the best solution to the
global water shortage.

However, although many initial designs have proven the feasibility of using
sunlight to purify seawater, they are usually mass-produced with limited control
over their structure, so their thermal efficiency is not high. In order to
increase the energy conversion rate from solar energy to steam, researchers have
now adopted 3D printing as a method to produce more energy-efficient equipment
that can evaporate chemicals at a faster rate.

Ceramic-based solar absorption

Using 3D printing technology, scientists can produce a multi-functional solar
absorber based on porous ceramic mesh. Thanks to the inherent insulating
properties of the material, the final part proved to be able to be used as a
water transmitter, insulator and integral base of the device, on which a
graphene absorber can be installed to collect solar energy.

(During testing) The collected water meets drinking water standards in terms
of chemical impurities. With strong, durable, non-toxic and anti-fouling
properties, the concept of an efficient 3D printed ceramic solar desalination
equipment can open the door to more sustainable and greener clean water
production.

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(Solved the Problem of Fresh Water Through 3D Printing Technology)