CA2604132A1 - Solar powered automatic desalination system - Google Patents
Solar powered automatic desalination system Download PDFInfo
- Publication number
- CA2604132A1 CA2604132A1 CA002604132A CA2604132A CA2604132A1 CA 2604132 A1 CA2604132 A1 CA 2604132A1 CA 002604132 A CA002604132 A CA 002604132A CA 2604132 A CA2604132 A CA 2604132A CA 2604132 A1 CA2604132 A1 CA 2604132A1
- Authority
- CA
- Canada
- Prior art keywords
- water
- solar
- desalination system
- solar powered
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000010612 desalination reaction Methods 0.000 title claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000013505 freshwater Substances 0.000 claims abstract description 20
- 150000003839 salts Chemical class 0.000 claims abstract description 13
- 230000005484 gravity Effects 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims description 23
- 238000001816 cooling Methods 0.000 claims description 15
- 239000012267 brine Substances 0.000 claims description 9
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 9
- 238000000746 purification Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 6
- 238000001704 evaporation Methods 0.000 abstract description 4
- 230000008020 evaporation Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract 1
- 239000013535 sea water Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000009835 boiling Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000004821 distillation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0011—Heating features
- B01D1/0029—Use of radiation
- B01D1/0035—Solar energy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0088—Cascade evaporators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0033—Other features
- B01D5/0039—Recuperation of heat, e.g. use of heat pump(s), compression
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
- B01D5/006—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes with evaporation or distillation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/142—Solar thermal; Photovoltaics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention relates to an apparatus using solar energy as heat source, using gravity, air pressure, and siphon principal as power in which evaporation of liquid under low air pressure enables fresh water to be extracted from the contaminated water source such as sea water, salt water or the like and purify contaminated water. After initialize, the apparatus do not need any conventional energy or chemical input. The invented apparatus can achieve very good economy, social and ecological efficiency by Its unique design.
Description
The vapor-compression process uses mechanical energy rather than direct heat as a source of thermal energy. This method increases the productivity but also increases the cost. The corrosion damage and scale deposit formation became serious problem.
An improved version of the vapor-compression process is using negative pressure to decrease the boiling point. The operation temperature is lower than 70 C. It lowers the cost and extends the life span of the equipment (see United States Patent Atwell 4,285,776). The disadvantage of this method is relying on vacuum pump to maintain the negative pressure.
An improved version of the vapor-compression process is using negative pressure to decrease the boiling point. The operation temperature is lower than 70 C. It lowers the cost and extends the life span of the equipment (see United States Patent Atwell 4,285,776). The disadvantage of this method is relying on vacuum pump to maintain the negative pressure.
3. Summary 1. With the help of gravity, pressure of outgoing end of the siphon pipe (which is full of feed salt water) will be higher than the input end. This pressure forms the negative pressure at the top of the siphon pipe. Salt water will flow through the pipe. The bigger elevation difference of the two ends the higher speed the water will move through the pipe. High water flow speed will depress the scale deposit formation.
2. Pressure and boiling point has positive correlation, the lower pressure the lower boiling point. Low boiling point will lower the consumption of heat energy. Both low boiling point and low pressure will depress the scale deposit formation.
3. Air pressure and speed of evaporation has negative correlation. The lower pressure the higher evaporation speed. Water will be separated from salt solution by evaporation then steam condenses to fresh water. So the lower pressure the higher efficiency of desalination.
2. Pressure and boiling point has positive correlation, the lower pressure the lower boiling point. Low boiling point will lower the consumption of heat energy. Both low boiling point and low pressure will depress the scale deposit formation.
3. Air pressure and speed of evaporation has negative correlation. The lower pressure the higher evaporation speed. Water will be separated from salt solution by evaporation then steam condenses to fresh water. So the lower pressure the higher efficiency of desalination.
4. Using solar energy as heating source, heated by gravity and air pressure and with the help of the siphon structure the salt water can be automatically desalinated by this apparatus.
4. Description The invention solar powered automatic desalination system using simple design structure. It is a combination of multiple-effect distillation (MED) and siphon effect.
This invention has two forms by applying different solar energy heating system.
One is using hidden solar heating storage pool and the other one is using monobloc solar water heater.
Design 1: solar powered automatic desalination system using hidden solar storage pool Three parts construct the system (Figure 1).
First part is a heating system, which includes Solar heating storage pool, alternative heating source and exchanger.
The second part is distillation tower, which is a vertical mounted multi-effect distillation system. It includes distillatory, hot salt water pipe and steam pipe.
The third part is cooling system, which includes cold feeding water pipe, fresh water pipe and brine.
Heating system Solar heating storage pool (11) is a salt-water pool with stable grads of concentration. It is 1-3 meters deep. There are great amount of over saturated salinity at the bottom of the pool. From bottom to surface, the concentration of the solution in the pool decreases, solar energy can be converted into heat in this pool, then quickly goes down bottom and absorbed by the salt dissolving. A stable high temperature region will be formed at the bottom of the pool. This combination of heat collection and storage can provide heating source over seasons, it won't be affected by daytime or nighttime. Experiments show the high temperature region can reach 100-180 degree Celsius. The advantage is it can store large amount of heat energy, but the disadvantage is the big size and weight.
Heat exchanger (12), it will transfer heat from solar pool to distiller (10) and heat the cold feed water for distillation.
Alternative heat source (12) will provide energy when the solar energy is not enough.
Distillers Distillers (10) mounted vertically. There are two spaces in each distiller, one for hot salt water (4) and the other one for steam (5). Solar energy will boil the salt-water force the steam separate from salt water.
Hot salt-water pipe (8) connects the hot water (4) of near by distillers (10);
steam pipe (6) connects the steam (5) of near by distillers (10). Steam pipe (6) zigzag through hot salt-water release energy evaporate more water in the distillers.
The energy release procedure also cools down the steam. That will increase thermal efficiency dramatically. If there are right number of distillers (10) steam's temperature will be lowered enough to condensate to water. Set up separation layer in last few distillers close to the top to ensure the fresh water can be separate from the brine.
Cooling system The cooling container is the expansion of cold salt-water pipe (2). Its bottom must lower than the bottom of the distillers tower. The top of cooling container connects to hot salt-water pipe (8) of the top distiller (10). The bottom of the container is brine discharge pipe. The top of Fresh water pipe (3) connects the fresh water of the top distiller (10), the pipe zigzag through the cooling container release the heat energy.
The fresh water production discharged from its bottom.
Feeding salt-water pipe zigzag through the cooling container cools down the fresh water pipe and the brine, in the mean time it absorb the heat from them and warm up the feeding salt- water.
Design 2: solar powered automatic desalination system using monobloc solar water heater Compare to design 1, distiller tower and cooling system are identical. It uses monobloc solar water heater(s) as heating source. To increase the heating ability, monobloc solar water heaters can mount on top of each other. The advantage of this design is smaller in size and weight and also higher heat collection efficiency. Water temperature can reach 70-150 degree Celsius. But it was greatly affected by daytime/nighttime strength of the sun radiation. Additional heating sources must be added for continuously produce fresh water.
There are three layers of siphon pipe in the system. Cooling container and distillers forms one layer of siphon pipe. Water goes into distillers and come out from cooling container. Feeding salt-water pipe(2) and hot salt-water pipe(8) forms the second layer of siphon. Water goes into feeding salt-water pipe and goes out from hot salt-water pipe. Fresh water pipe and steam pipe forms the third layer of siphon. Water goes into steam pipe and goes out from fresh water pipe. All these three layers have a common feeding pipe salt-water pipe (1) and driven by air pressure. Their common lowest pressure area is in top distiller (10).
The invented apparatus use solar energy, gravity and air pressure as power and with the help of the three layers of siphon, automatically desalinate salt-water.
Compare to MED, this invented system doesn't need vacuum pump and cooling device and reduced the throughput of salt-water. In that way, it lowers the device cost and operation costs.
The invented apparatus can be installed on seashore, islands and even be able to mount on ships. It can also use other heating resources like engine exhaust heat. It can also use for contaminated water purification.
4. Description The invention solar powered automatic desalination system using simple design structure. It is a combination of multiple-effect distillation (MED) and siphon effect.
This invention has two forms by applying different solar energy heating system.
One is using hidden solar heating storage pool and the other one is using monobloc solar water heater.
Design 1: solar powered automatic desalination system using hidden solar storage pool Three parts construct the system (Figure 1).
First part is a heating system, which includes Solar heating storage pool, alternative heating source and exchanger.
The second part is distillation tower, which is a vertical mounted multi-effect distillation system. It includes distillatory, hot salt water pipe and steam pipe.
The third part is cooling system, which includes cold feeding water pipe, fresh water pipe and brine.
Heating system Solar heating storage pool (11) is a salt-water pool with stable grads of concentration. It is 1-3 meters deep. There are great amount of over saturated salinity at the bottom of the pool. From bottom to surface, the concentration of the solution in the pool decreases, solar energy can be converted into heat in this pool, then quickly goes down bottom and absorbed by the salt dissolving. A stable high temperature region will be formed at the bottom of the pool. This combination of heat collection and storage can provide heating source over seasons, it won't be affected by daytime or nighttime. Experiments show the high temperature region can reach 100-180 degree Celsius. The advantage is it can store large amount of heat energy, but the disadvantage is the big size and weight.
Heat exchanger (12), it will transfer heat from solar pool to distiller (10) and heat the cold feed water for distillation.
Alternative heat source (12) will provide energy when the solar energy is not enough.
Distillers Distillers (10) mounted vertically. There are two spaces in each distiller, one for hot salt water (4) and the other one for steam (5). Solar energy will boil the salt-water force the steam separate from salt water.
Hot salt-water pipe (8) connects the hot water (4) of near by distillers (10);
steam pipe (6) connects the steam (5) of near by distillers (10). Steam pipe (6) zigzag through hot salt-water release energy evaporate more water in the distillers.
The energy release procedure also cools down the steam. That will increase thermal efficiency dramatically. If there are right number of distillers (10) steam's temperature will be lowered enough to condensate to water. Set up separation layer in last few distillers close to the top to ensure the fresh water can be separate from the brine.
Cooling system The cooling container is the expansion of cold salt-water pipe (2). Its bottom must lower than the bottom of the distillers tower. The top of cooling container connects to hot salt-water pipe (8) of the top distiller (10). The bottom of the container is brine discharge pipe. The top of Fresh water pipe (3) connects the fresh water of the top distiller (10), the pipe zigzag through the cooling container release the heat energy.
The fresh water production discharged from its bottom.
Feeding salt-water pipe zigzag through the cooling container cools down the fresh water pipe and the brine, in the mean time it absorb the heat from them and warm up the feeding salt- water.
Design 2: solar powered automatic desalination system using monobloc solar water heater Compare to design 1, distiller tower and cooling system are identical. It uses monobloc solar water heater(s) as heating source. To increase the heating ability, monobloc solar water heaters can mount on top of each other. The advantage of this design is smaller in size and weight and also higher heat collection efficiency. Water temperature can reach 70-150 degree Celsius. But it was greatly affected by daytime/nighttime strength of the sun radiation. Additional heating sources must be added for continuously produce fresh water.
There are three layers of siphon pipe in the system. Cooling container and distillers forms one layer of siphon pipe. Water goes into distillers and come out from cooling container. Feeding salt-water pipe(2) and hot salt-water pipe(8) forms the second layer of siphon. Water goes into feeding salt-water pipe and goes out from hot salt-water pipe. Fresh water pipe and steam pipe forms the third layer of siphon. Water goes into steam pipe and goes out from fresh water pipe. All these three layers have a common feeding pipe salt-water pipe (1) and driven by air pressure. Their common lowest pressure area is in top distiller (10).
The invented apparatus use solar energy, gravity and air pressure as power and with the help of the three layers of siphon, automatically desalinate salt-water.
Compare to MED, this invented system doesn't need vacuum pump and cooling device and reduced the throughput of salt-water. In that way, it lowers the device cost and operation costs.
The invented apparatus can be installed on seashore, islands and even be able to mount on ships. It can also use other heating resources like engine exhaust heat. It can also use for contaminated water purification.
5. Drawings T_ `~.
X
;..,, { ]
r~ p ~k . . ~ . . . . f' ~-~
. .,. . ... .. h _._,.. _ _..'..-: ` .....- ~=; ~ ~ ......~. .. ,.,,,, . u ~
~ ~. ... ~ ~ . _l~._. ,., . . ...~
: ~S'`; _Y~ -7 ~~ir~ J ~,5,'5.;~'~ ~=~s,~ ~
. ~ t ;; '~.. . ..
.....,.. #.~^4-~'. ,..
Fig 1. Illustration of the automatic desalination system 6. Implementation steps The implementation of the invented apparatus should following steps:
Step 1, heating resource check Check the temperature change in the tank of solar heating system. If the high temperature stables, the heating resource is ready. Because the energy collection procedure of Solar heating storage pool is slow, to get it ready for operation need some time.
Step 2, pressure check The invented apparatus will work under negative pressure, so the pressure check turns to be crucial. The test should be done from part to whole system. Each part should be checked before the final construction. To check the whole system, we use water check.
I. Set outgoing valve There are two outgoing valve (7) in the top distiller close to the top (10) and the separator (9) (see Fig. 1) II. Pump in water Close valve (2) and (3), feed water from salt-water feeding pipe(1). When the water runs out from valve below the separation (7), close it. When water runs out from the valve close to the top, close it. Now the distillers and the cooling system are filled with water.
III. Pressure test Close feeding pipe (1), extend the fresh water pipe (2) under the surface of the fresh water tank and the brine pipe (Z) under the surface of salt-water. This will prevent the air goes into system. Open the valve of both pipes (2)(3). Check if water runs out. If the water doesnt run out after one to two days, the system is stable and the pressure test passed.
Step 3: Test operation Open the feeding pipe, fresh water pipe and the brine pipe. Once the heat transferred into distillers the fresh water and brine starts to run out. When the feeding pipe establishes a stable intake, the test operation is done. If the solar energy is not enough to boil the water in distillers, the alternative heating resource should start to work.
Step 4: operation status determination There are four major parameters need to be monitored during the operation.
Fresh water productivity change: Daily monthly and yearly productivity Fresh water quality change: salt remaining, bacteria and other materials Heat efficiency change: Highest temperature changes of the solar heating system, lowest temperature of the pipes changes and amount of energy input through the alternative heating resource.
Pressure change: The pressure changes in top of the topmost distiller.
X
;..,, { ]
r~ p ~k . . ~ . . . . f' ~-~
. .,. . ... .. h _._,.. _ _..'..-: ` .....- ~=; ~ ~ ......~. .. ,.,,,, . u ~
~ ~. ... ~ ~ . _l~._. ,., . . ...~
: ~S'`; _Y~ -7 ~~ir~ J ~,5,'5.;~'~ ~=~s,~ ~
. ~ t ;; '~.. . ..
.....,.. #.~^4-~'. ,..
Fig 1. Illustration of the automatic desalination system 6. Implementation steps The implementation of the invented apparatus should following steps:
Step 1, heating resource check Check the temperature change in the tank of solar heating system. If the high temperature stables, the heating resource is ready. Because the energy collection procedure of Solar heating storage pool is slow, to get it ready for operation need some time.
Step 2, pressure check The invented apparatus will work under negative pressure, so the pressure check turns to be crucial. The test should be done from part to whole system. Each part should be checked before the final construction. To check the whole system, we use water check.
I. Set outgoing valve There are two outgoing valve (7) in the top distiller close to the top (10) and the separator (9) (see Fig. 1) II. Pump in water Close valve (2) and (3), feed water from salt-water feeding pipe(1). When the water runs out from valve below the separation (7), close it. When water runs out from the valve close to the top, close it. Now the distillers and the cooling system are filled with water.
III. Pressure test Close feeding pipe (1), extend the fresh water pipe (2) under the surface of the fresh water tank and the brine pipe (Z) under the surface of salt-water. This will prevent the air goes into system. Open the valve of both pipes (2)(3). Check if water runs out. If the water doesnt run out after one to two days, the system is stable and the pressure test passed.
Step 3: Test operation Open the feeding pipe, fresh water pipe and the brine pipe. Once the heat transferred into distillers the fresh water and brine starts to run out. When the feeding pipe establishes a stable intake, the test operation is done. If the solar energy is not enough to boil the water in distillers, the alternative heating resource should start to work.
Step 4: operation status determination There are four major parameters need to be monitored during the operation.
Fresh water productivity change: Daily monthly and yearly productivity Fresh water quality change: salt remaining, bacteria and other materials Heat efficiency change: Highest temperature changes of the solar heating system, lowest temperature of the pipes changes and amount of energy input through the alternative heating resource.
Pressure change: The pressure changes in top of the topmost distiller.
Claims (9)
1. It is a solar powered automatic desalination system, It powered by solar energy, gravity, and air pressure with the help of multi layers of siphon desalinate salt water automatically.
2. The solar powered automatic desalination system recited in claim 1 wherein said solar heating sub-system, which can be a solar heating storage pool or monobloc solar water heater.
3. The solar powered automatic desalination system recited in claim 1 wherein said distiller tower which include multiple vertical mounted distillers connected by hot salt water pipe (8) and vapor pipe (6); it's height lower than the cooling container and the distiller at the bottom (10) connects feeding salt water pipe (1).
4. The solar powered automatic desalination system recited in claim 1 wherein said cooling sub-system which include cold salt-water pipe (2), fresh water pipe (3) as a cooling container, it height is higher than distiller tower, the top connected to distiller (10) and at the bottom there are brine layer of siphon; hot water pipe (8) and cold salt- water/ brine pipe (2) as second layer of siphon; hot steam pipe and fresh water pipe (3) as third layer of siphon.
5. The solar powered automatic desalination system recited in claim 1 wherein said also suitable for biter salt water.
6. The solar powered automatic desalination system recited in claim 1 wherein said it also could be mounted on ships.
7. The solar powered automatic desalination system recited in claim 1 wherein said could use exhaust heat of ship of power plant as alternative heating resources.
8. The solar powered automatic desalination system recited in claim 1 wherein said could be used for contaminated water purification. And fresh water pipe for output.
9. The solar powered automatic desalination system recited in claim 1 wherein said three layers of siphon, Distiller tower and cooling tank as first
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002604132A CA2604132A1 (en) | 2007-11-05 | 2007-11-05 | Solar powered automatic desalination system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002604132A CA2604132A1 (en) | 2007-11-05 | 2007-11-05 | Solar powered automatic desalination system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2604132A1 true CA2604132A1 (en) | 2009-05-05 |
Family
ID=40620844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002604132A Abandoned CA2604132A1 (en) | 2007-11-05 | 2007-11-05 | Solar powered automatic desalination system |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2604132A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11502322B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11502323B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| US11855324B1 (en) | 2022-11-15 | 2023-12-26 | Rahul S. Nana | Reverse electrodialysis or pressure-retarded osmosis cell with heat pump |
| US12040517B2 (en) | 2022-11-15 | 2024-07-16 | Rahul S. Nana | Reverse electrodialysis or pressure-retarded osmosis cell and methods of use thereof |
-
2007
- 2007-11-05 CA CA002604132A patent/CA2604132A1/en not_active Abandoned
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11502322B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11502323B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| US11563229B1 (en) | 2022-05-09 | 2023-01-24 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11611099B1 (en) | 2022-05-09 | 2023-03-21 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| US11699803B1 (en) | 2022-05-09 | 2023-07-11 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US12107308B2 (en) | 2022-05-09 | 2024-10-01 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| US11855324B1 (en) | 2022-11-15 | 2023-12-26 | Rahul S. Nana | Reverse electrodialysis or pressure-retarded osmosis cell with heat pump |
| US12040517B2 (en) | 2022-11-15 | 2024-07-16 | Rahul S. Nana | Reverse electrodialysis or pressure-retarded osmosis cell and methods of use thereof |
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