An inclined solar water distillation system was designed and tested under. The rate of evaporation depends on the intensity of the solar radiations incident on the solar still. In my project i am constructed both black and white coated solar stills and find out the coating which gives more efficiency. Proposed model of solar distillation system the base of the solar still is made of g. Passive solar water distillation is an inexpensive, lowtech alternative for pure drinking water without bottles, including types of distillers, cost comparisons, going automatic or electric. Design, fabrication and working of solar distillation system.
Electrodialysis is the process mostly used for the desalination of brackish or sea water. Solar water distillers or solar stills are usually. Solar distillation is a simple and costeffective lowcarbon technology. Solar desalination for domestic applicationsmehdi n. The heat causes the water to evaporate, cool, and condense into vapour, leaving the contaminants beh. Solar distillation offers an opportunity to provide a lowtech solution yielding high quality water for people living in rural rajasthan. Design and fabrication of solar water distillation system.
The water vapor is then condensed into clean drinkable water in a water collection tank. Solar energy has the greatest potential of all the sources of renewable energy and if only a small amount of this form of energy could be used, it will be one of the most important supplies of energy, especially when other sources in the country have depleted. In the parametric studies, the effects of feed water mass flow rate and solar intensity on the system parameters were investigated. The purpose of this project is to analyze a solar water distillation system that can purify the waste water and saline water and other contaminated waters.
Design and fabrication of solar water distillation system for. Various investigators uses thermal modeling technique to analyses performance of solar water distillation. There is almost no water left on earth that is safe to drink without purification after 2025 years from today. There are several distillation methods developed for water desalination technology which differ in simplicity, cost and applications. The inclined fpswd system gives the maximum output of fresh water with zero ppm.
Solar desalination modular solar panels solar water. Pdf an experimental study on an inclined solar water. Introduction for desired amount of solar radiations to be incident in the project aims at producing distilled water using solar energy to cater to the daily requirement of lead acid battery retailers. Unlike solar still systems, the feed water falls down on the solar absorber plate, and the. You may be considering an expensive home filtration system, but if you have a large enough solar water distiller you may not need the filtration system. There is an important need for clean, pure drinking water in many developing countries. You may want to build a diy solar water distiller to use on your homestead. The carocell panels provide clean, drinkable water with no ongoing expense and requiring. They are designed either to serve the needs of a single family, producing from 2 to 3 gallons of drinking water a. Water success in india for lower capabilities, which are more orgs program. Solar powered distillation of water can be defined as measures to separate and extract clean water by vaporization.
For large quantity, multiple units of solar distillation system are required. The main goal of this thesis was to contribute to improving water quality by building a solar water distillation system. The project aims at producing distilled water using solar energy to cater to the daily requirement of lead acid battery retailers. I only drink distilled water and it has changed my life. Solar distillation of water florida solar energy center. Mathematical analysis of solar water distillation system. They are designed either to serve the needs of a single family, producing from 2 to 3 gallons of drinking water a day on. Heat generated by the condensation of water vapor is utilized to. Build a solar water distiller diy alternative energy. It can produce pure, clean fresh water on any scale from any water sources and. Solar distillation is a process where solar energy is used to produce fresh water from saline or brackish water for drinking, domestic and other purposes.
With just a few basic building materials, a sheet of glass. Pdf experimental study of a portable solar water distillation system. Solar water distillation is the process of using energy from the sunlight to separate freshwater from salts or other contaminants. Learn how to make your own fresh water in an emergency by using a plastic bottle. It is envisaged to be accomplished by utilizing the hot water produced by solar thermal collectors.
The work is based on the preliminary study solar water. Solar stills can be used for low capacity and selfreliant water supplying systems. This box is embedded into another box of wood shown in figure 1. The untreated water is placed into a still basin which absorbs heat, eventually reaching high temperatures, causing the water to evaporate, cool and condense into vapour, leaving the contaminants in the underlying basin. Solar water distillation safe drinking water foundation. The process of designing and optimizing the solarpowered distillation system heat exchanger, boiler, parabolic troughs, tracking and control system, photovoltaic panels and vapor and the heat transfer fluid pumps. There are some patent researches on solar distillation. Water distillation system using parabolic dish solar. The input of this device would be salt water from coastal regions. Water vapor is condensed in a condenser disposed between the cell and the collection system. The disclosure relates to a solar operated apparatus to purify andor desalinate water.
The solar energy collecting subsystem converts solar energy into thermal energy when solar radiation is available during the day, using a bank of solar collectors. Basin type distillation system is discussed in this paper. The goal of this project is to create a solar powered water distillation device that achieves maximum efficiency while minimizing manufacturing costs per unit. Solar water distillation method uses a solar still to condense pure water vapor and settles out harmful substances to make clean, pure drinking water. Solar still,a water purifying technique project report 1. The intent of solar ltfmed system is to produce potable water from sea water. A high rated solar water distillation unit for solar homes. This project is not really expensive and lots of you can make this at. This is a seemingly bold statement, but it is unfortunately true.
Water that is not properly treated or filtered can contain all types of harmful compounds. A great way to ensure your water is suitable to drink is to distill it. The solar water distillation system comprises a boxtype design with heat absorbent black coating in the inner chamber. Pdf design and construction of solar water distillation. Several embodiments are disclosed, each of which substantially derives its source of heat from solar energy. The steam condenses on the glass panel and the now clean water trickles down and out into the collecting vessel. With a device that fits easily in a sunny corner of your backyard, you can distill up to gallons of water a day with no expensive filter replacements ever. Solar distillation have a good chance of tionsdrinkingwaterqualityruralindia.
The untreated water is placed into a still basin which absorbs heat, eventually. Pdf water distillation method using solar power researchgate. Solar distillation is one of the solutions of getting potable water using solar energy. Solar distillation an overview sciencedirect topics. Solar water distillation is the process of using the energy from sunlight to separate freshwater from salts or other contaminants. After intensive research and testing, f cubed developed the world leading low cost and environmentally friendly carocell solar distillation technology. The history of solar powered water distillation started with aristotle, already back in the 4 th century bc. How to make a solar water distiller using plastic bottles.
An experimental study on an inclined solar water distillation system. Solar distillation is another application which dates back to the nineteenth century and the simplest form of water still now in use is basically unchanged from the early designs which consisted of a shallow tray, filled with salt or brackish water, and covered by a sloping glass cover plate. Solar stills for desalination of water in rural households. However, to do so, the solar hot water industry must overcome barriers hindering adoption rates. Introduction the one of the methods to purify the polluted water called solar water distillation system and it can be call as solar still. The efforts have been made to utilize solar energy systems in ideal their timings when the systems are not in use to produce distilled water. Fabrication of solar water distillation system ijcem. The water vapor is then condensed into clean drinkable water. The brief of the project was to design a product which would use only solar energy for distillation of water. Alternative water sources description solar water distillation is the process of using the energy from sunlight to separate freshwater from salts or other contaminants. In the last decades, many researchers have been conducted to. There are many amazing diy water distiller designs you can easily make at home. Keeping in notice the free solar energy, a water distillation and desalination system has been introduced which aims at purification of water in minimum cost without any harmful effect for.
A working model is prepared by using a systematic arrangement having low manufacturing cost and work based on renewable solar energy. Carocell solar desalination purification technology. The apparatus includes a unique design of the evaporating collector dome which is provided with a smooth interior surface to permit collection of increased amounts of distillate. It uses solar energy as input to get pure water from the brackish water as output. A project report on solar still submitted in partial fulfillment for the award of the degree of bachelor of technology in mechanical engineering from rajasthan technical university, kota session 2012 guided by. Efficiency of the solar water distillation device can be enhanced by increasing evaporation rate that is a combined effect of solar radiation, cover glass temperature, water contamination density, base plate absorptive and provide additional heat by solar water preheating system. Index terms distillation system, polluted water, purification, solar energy. The untreated water absorbs heat, slowly reaching high temperatures. Pdf an experimental study on an inclined solar water distillation. This system is a most efficient and cost effective from others distilled system. Build your own diy water distiller to use in an emergency or when no water is available.
This procedure is used when the water is salty, containing dangerous bacteria, or for settling out full metals and also for purification of sea water. Solar distillation of water fsec energy research center. Pdf design of solar distillation system researchgate. Schematic diagram of hdh water desalination system d. Only 1% of earths water is in a fresh, liquid state, and nearly all of this is polluted by both diseases and toxic chemicals. It is a simple procedure of humidificationdehumidification that takes place in one and the same device. Solar still,a water purifying technique project report. An inclined solar water distillation iswd system, which generates distilled water i. Hot water shall be used to produce low pressure saturated steam which in turn, shall be used in multieffect desalination system to produce desalinated water from sea. The solar water distillation comes out to be a non toxic and promising device which purifies water that uses a renewable solar energy source, efficiency of the solar water distillation device can be enhanced by increasing evaporation rate that is a combined effect of.
Water is poured into this chamber, which the sun heats up and it starts to evaporate. Purifying water using passive solar water distillation. Experimental study of an inclined flat platetype solar. Pdf there is almost no water left on earth that is safe to drink without purification after 2025 years from today. I have been wanting to do this project for some time now. Due to the initial expense and cost of maintenance these products have not reached places where there is scarcity of drinking water. Economic feasibility evaluation of solar distillation. A submerged fresh water collection system underlies the cell. In this paper solar still made of copper, basin is studied theoretically. The solar desalination funding program will explore novel technologies that use solar thermal energy to assist in creating freshwater from otherwise unusable waters like seawater, brackish water, and contaminated water.
This is a simple solar water distiller made of several plastic bottles. For bigger systems, reverse 2% is fresh water, and of that 2%, about 1. Solar distillation systems can be classified as passive and active. This can be particularly useful to turn seawater, brackish or even contaminated water into clean water safe for drinking. I was obtained 60 ml of distilled water from this distiller. The solar distiller should be able to provide a small family with two to four gallons of drinking water per day. Solar distillation unit coupled with thermal collectors, photovoltaic panels, and concentrators makes the system active and increases the distillate three to six times than conventional units.
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