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Solar Power Portable Desalination Device

August 22, 2022
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Solar Power Portable desalination the future of clean water

portable desalination device that uses solar energy
Photo by Amritanshu Sikdar on Unsplash

A low-cost self-sustaining portable desalination device can be used by individuals or small communities to treat salt water with solar power. Water covers 71% of the earth’s surface, with 97% of it being salt water. Yet, only 1% of this water is usable for human survival. The 21st century has been dubbed the “century of water shortage,” and a staggering 53% of the United States population lives within 50 miles of the coast. As a result, many coastal areas are severely depleted of fresh water.

TiNO solar absorber

The TiNO solar absorber is a portable desalination device that uses solar power to purify water. Its titanium-based layer absorbs solar energy and is coated on a special foam or paper. As sunlight strikes the absorber, it rapidly heats up, vaporizing water. Once it has cooled, it can be gathered into a collection container with a quartz-sloped roof.

The absorber works by drawing water from the water reservoir and evaporating it through airlaid paper. The airlaid paper wicks away moisture and helps remove salt from the water. It can be reused as many as 30 times and is highly porous. This allows the desalination unit to be carried anywhere. It can be made of a variety of materials.

The TiNO solar absorber has a diameter of 3.5 cm and an optical magnification of low and high. The absorber is able to generate UV-vis-NIR absorption spectra and an air-laid paper. The resulting temperature evolution profiles show that the device is effective and safe. There is a lot more potential for the use of solar energy in desalination.

The TiNO solar absorber has a large impact on the evaporation performance of a solar-driven seawater desalination system. High-purity Ti was used as the target material and was sputtered in a gas mixture of Ar, N2, and O2. The paper is porous, reducing the thermal conductivity and thereby increasing solar absorption.

The patented thermal exchange chamber and slats in the porous spheres of the TiNO solar absorber are also designed to maximize durability. In laboratory tests, a TiNO solar absorber can achieve 1.3 kg m-2 of water per day, after 20 cycles of illumination under a single sun. This stability is due to the porous structure of the slats.

The high-performance PMAs were demonstrated to have a very low emittance of 0.03 and high thermal stability at 727degC and for 150 hours under vacuum. Its preparation is very easy and can be done by spin-coating colloidal solution or perhydropolysilazane (PHPS) solutions. The spin coating process is quick and easy, making the device versatile and scalable.

Desolenator

The Desolenator is a portable desalination device that uses solar power and is designed for people living in coastal areas where municipal water is unfit to drink. The device costs $450 and is said to last for about 20 years. Despite its high price, it is apparently easy to install and requires only minimal maintenance. The Desolenator is designed for middle class homes and has the added advantage of being microfinance-friendly. It is also suited for boating, and camping.

The Desolenator uses solar energy to distill water and is an off-grid, portable desalination unit. It uses waste thermal energy from electricity production to purify water for human consumption. Its patented system eliminates the need for filters, membranes, or other conventional systems. The Desolenator can produce up to 15 litres of distilled water every day.

It uses sunlight to boil water and is simple to install. The device is designed to require minimal labor. Solar power provides electricity to heat the water, making it pure and safe for drinking. The Desolenator is made for the hundreds of millions of people around the world who do not have access to clean drinking water. It has a low carbon footprint and is environmentally friendly.

The Desolenator is a revolutionary portable desalination device. This device turns sea water and dirty water into pure drinking water. It also removes contaminants and said to make it safe to drink. It is especially important for people living in remote regions with polluted groundwater or who live exclusively off seawater. And with its minimal maintenance, this device could be a boon for communities that don’t have access to clean water.

The Desolenator’s innovative technology was inspired by rooftop solar heating systems in south-east Asia. In these homes, a solar plate absorbs sunlight and heats water for consumption. Inspired by these innovative solutions, William Janssen has taken these ideas and developed a portable desalination device that uses solar energy. It is 100% solar-powered and delivers a transformative impact to communities.

TiNO solar still

Desalination
Photo by Leo Rivas on Unsplash

In a direct desalination process, the amount of fresh water produced per square metre is proportional to the surface area of the desalination device. The resulting drinking water per square metre is typically between two and three litres, or about 0.5 and 0.8 gallons. The efficiency of solar energy in desalination is dependent on the intensity of sunlight and the weather. However, the new TiNO solar still uses solar energy to produce water at 46 percent of its original efficiency.

The TiNO solar absorber was deposited on a porous substrate using magnetron sputtering. Its hydrophilicity provides sufficient capillary force to attract water, avoiding the formation of salts. In tests, TiNO solar stills achieved an efficiency of 46% when exposed to a single-solar-illuminated solar panel. This high efficiency allows the TiNO solar still to meet all quality requirements of drinking water.

The durability of this solar-driven interfacial evaporation system has also been demonstrated. Figure 3 shows the cycle performance of a porous solar interfacial evaporation system under one-solar illumination. The evaporation rate remained stable after 20 cycles, with each cycle lasting 0.5 hours. This high stability is important for desalination because solar energy is not renewable in most areas of the world.

A direct solar desalination unit can be simple and inexpensive. Using the heat of the Sun to boil seawater, the salt water inside the unit is converted into water vapour. The steam then cools and condenses back to liquid. However, salt cannot change to a gas and remains in the unit. The temperature of the solar still also limits the amount of water the unit can produce per day.

In a high-efficiency seawater desalination process, a porous TiNO solar absorber is used. The porous structure of the TiNO solar absorber allows the water to wick from bulk water. In addition, the material’s high hydrophilicity allows salt to be rapidly diffused from the surface of the device. Its increased porosity also allows it to be a very efficient desalination system.

Multilayer solar still

A multilayer solar still is a highly efficient desalination unit, and its design makes it suitable for any type of mobile desalination. Its design leverages the energy from the sun, collecting water vapor that is then condensed back into liquid form. The purified water is safe to drink, and it can be used for a range of purposes, including bathing, washing, cooking, and even emergencies.

The total energy entering the system is the same in both methods. The solar concentrator may increase the local temperature of the focal point, resulting in increased evaporation or condensation. These changes in temperature may increase the distillate yield. Nonetheless, the design of the solar still must take into account the varying climate conditions and design conditions. This article explains the different designs for solar stills. It also gives a brief description of how the solar concentrators work.

A basic solar still has two water troughs: one containing contaminated water and one that is kept empty for the purified water. In order to collect the purified water, a piece of glass is placed across the contaminated water. The glass is often covered with black paint. The glass lid acts like a greenhouse, trapping heat from the sun. After the water is condensed, the condensation process occurs, converting it to pure water.

Unlike a commercial water-boiling plant, solar stills use a similar mechanism to create pure water. When saline water evaporates from a source, it becomes trapped in clouds, where it condenses back into liquid. This is rain. Multilayer solar still for portable desalination uses this same principle. The vaporizing water condenses into a liquid, resulting in desalinated water.

The Model-B solar still has an aperture to capture solar irradiation of greater than 200 mm. It has been tested with no Fresnel lens, but also with two Fresnel lenses on a slope. The latter is shown in Figures 2C and D. A frame is placed parallel to the inclination angle of the top covers. In this way, water falls onto the stainless steel basin. For whats said to be another method of fresh water reserves.

For more info on this subject check out this video

Provided by Antonio Westley


Disclaimer: This article is meant to be seen as an overview of this subject and not a reflection of viewpoints or opinions as nothing is definitive. So, make sure to do your research and feel free to use this information at your own discretion.



Tags: blogblogsdesalination how does it workdifferent types of desalinationdiy salt water desalinationenvironmentfollowfun facts about desalinationPortable Desalinationportable desalination deviceportable desalination systemsolar power
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