WO2010076576A1 - Sea-water salt-plant installation with overflowing cascade pans - Google Patents
Sea-water salt-plant installation with overflowing cascade pans Download PDFInfo
- Publication number
- WO2010076576A1 WO2010076576A1 PCT/HR2009/000034 HR2009000034W WO2010076576A1 WO 2010076576 A1 WO2010076576 A1 WO 2010076576A1 HR 2009000034 W HR2009000034 W HR 2009000034W WO 2010076576 A1 WO2010076576 A1 WO 2010076576A1
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- sea
- pans
- overflowing
- water
- plant
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/04—Chlorides
- C01D3/06—Preparation by working up brines; seawater or spent lyes
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
Definitions
- the invention relates to sea-water salt-plant installation with overflowing cascade pans, intended for yielding of larger quantities of sea salt by using air streams.
- the international Patent Classification it is classified as Section E - Fixed Constructions, Class E04 - Building; Subclass E04H - Pools; Group 4/00, that includes various pools.
- the technical problem solved by this invention relates to the structure and position of sea-plant pans aimed to better utilisation of natural wind flow, enabling thus larger, more economic and efficient sea-salt production.
- the sea salt (NaCI) is still being produced in salt-plants built in the Middle Ages or even earlier, their structure and location corresponding to the then state of technology.
- the pools have been built on flat grounds.
- the essence of the invention is a salt-plant with overflowing cascade pans.
- the sea-water salt-plant with overflowing cascade pans may be embodied to comprise two or more pans in a sequence, best on steep coastlines or in cuttings.
- the sea water is supplied to the pans and its constant circulation over the overflowing walls is obtained by a piping distribution equipped with valves and a pump. Given the plant location, the most economic pump powering would be by wind.
- Figure 1 shows the sea-water salt-plant variant with forward slanted overflowing wall between two pans - side cross-section.
- Figure 2 shows the sea-water salt-plant shown in the Figure 1 - top view.
- Figure 3 shows the sea-water salt-plant variant with vertical overflowing wall between two pans - side cross-section.
- Figure 4 shows the sea-water salt-plant shown in the Figure 3 - top view.
- Figure 5 shows the sea-water salt-plant variant with backward slanted overflowing wall between two pans - side cross-section.
- Figure ⁇ shows the sea-water salt-plant shown in the Figure 5 - top view.
- Figure 7 shows a sea-water salt-plant comprising five pans and four forward slanted overflowing walls between the adjacent pans - side cross-section.
- Figure 8 shows a sea-water salt-plant comprising four, mutually parallel, sequences of pans with forward slanted overflowing walls - top view.
- Figure ⁇ shows a sea-water salt-plant with forward slanted wall between two pans, in operation - side cross-section.
- Figure 10 shows a sea-water salt-plant with vertical wall between two pans, in operation - side cross-section.
- Figure 11 shows a sea-water salt-plant with backward slanted wall between two pans, in operation - side cross-section.
- Figure 12 shows a sea-water salt-plant comprising five pans and four forward slanted overflowing walls between the adjacent pans, in operation - side cross- section.
- the embodiment of the sea-water salt-plant with overflowing cascade pans depends on the terrain relief, aimed to the best possible utilisation of the wind direction and force. Hence, the best locations are steep coastlines and cuttings.
- a sea-water salt-plant with overflowing cascade pane must include two or more pans lined in cascading sequences.
- the salt-plant pans make accumulations of the sea water, where the water evaporates and the salt sets, as the final product of the process.
- overflowing walls between adjacent pans in a sequence, sea-water salt-plant with overflowing cascade pans can be made under various angles but this description will deal in further detail with three such variants:
- Variant B sea-water salt-plant with overflowing cascade pans, with vertical overflowing wall
- Variant C - sea-water salt-plant with overflowing cascade pans with backward slanted overflowing wall. Constructing of slanted and vertical overflowing walls between pans enables larger and more often contact of the sea water with the air flows, which increases the effect of the horizontal air flows to water evaporation, aimed to yielding larger salt quantities.
- the sea water is supplied to the pans and constant circulation of the sea water over the overflowing walls is obtained by the piping distribution D with non-return valves and a pump. Given the plant location, the most economic pump powering would be by wind.
- the invention description presents sea-water salt-plant with overflowing cascade pans, variants A, B and C, comprising two pans and three overflowing-wall shapes.
- FIGS 1 and 2 show the variant A - sea-water salt-plant with overflowing cascade pans with forward slanted overflowing wall between two pans.
- the sea-water salt plant A comprises: the first pan 1, overflowing partition 2, forward slanted overflowing wall 3, the second pan 6, end partition 7, piping system D supplying the sea water and comprising: intake basket-strainer 8, supply pipe 9 to the non-return valve, non-return valve 10, outtake pipe 11 from the second pan, supply pipe 12 from the non-return valve to the pump, pump 13, and supply pipe 14 from the pump to the first pan
- Figures 3 and 4 show the variant B - sea-water salt-plant with overflowing cascade pans with vertical overflowing wall between two pans.
- the sea-water salt plant B comprises: the first pan 1, overflowing partition 2, vertical overflowing wall 4, the second pan 6, end partition 7, piping system D supplying the sea water and comprising: intake basket-strainer 8, supply pipe 9 to the non-return valve, non-return valve 10, outtake pipe 11 from the second pan, supply pipe 12 from the non-return valve to the pump, pump 13, and supply pipe 14 from the pump to the first pan 1.
- FIGS 5 and 6 show the variant C - sea-water salt-plant with overflowing cascade pans with backward slanted overflowing wall between two pans.
- the sea-water salt plant A comprises: the first pan 1, overflowing partition 2, backward slanted overflowing wall 5, the second pan 6, ending partition 7, piping system D supplying the sea water and comprising: intake basket-strainer 8, supply pipe 9 to the non-return valve, non-return valve 10, outtake pipe 11 from the second pan, supply pipe 12 from the non-return valve to the pump, pump 13, and supply pipe 14 from the pump to the first pan.
- all three sea-water salt-plant variants, A, B and C may comprise two or more pans in a single sequence, or in several, mutually parallel, sequences.
- Figure 7 shows the variant A - sea-water salt-plant with overflowing cascade pans and forward slanted overflowing walls, comprising five pans in a cascading sequence.
- Figure 8 shows the variant A - sea-water salt-plant comprising four parallel sequences of pans.
- the pump 13 pumps fresh sea water 15 through the intake strain-basket 8 and the supply pipes 9, 12 and 14, filling the pan 1.
- the non-return valve 10 is set to prevent the sea water to enter the pool 6 through the pipe 11.
- the pan 1 is full, the sea water flows over the overflow partition 2 and the overflow wall 3 into the pan 6.
- the non-return valve 10 shuts the sea-water supply through the pipe 9, and opens the sea-water supply from the pan ⁇ through the pipe 11.
- the pump 13 pumps the sea water only from the pan 6, pumping it through the pipes 12 and 14 into the pan 1. This action runs as long as there is still sea water 15 in the pan 6.
- the nonreturn valves 10 are set to enable the pump 13 to pump the fresh sea water into the top pan of the sequence, from which it flows over the overflow partition and the overflow wall into the next pan, and from there over the next overflow partition and overflow wall into the again next pan, and so on, until the bottom pan in the sequence.
- the non-return valve shuts the new sea-water supply, and opens the sea-water flow from the bottom into the top pan.
- the now recycled sea-water from the bottom pan fills the top pan, from there running again through all the pane and over all the overflowing partitions and overflowing walls once again. The cycle repeats until the entire sea water in the process is evaporated and turned into salt.
- the procedure may also be run firstly to fill all the pans with fresh sea water, thereafter shutting the fresh ⁇ ea-water supply and continuing the procedure by supplying the sea-water from the bottom into the top pan until the entire sea water is turned into salt in all the pans.
- the sea-water accelerates, containing a certain amount of potential energy, at the bottom of the overflowing walls can be fitted water turbines to power electric generators.
- the invention application is made obvious in its description.
- the sea-water salt- plant with overflowing cascade pans with overflowing walls will be particularly economic if located in areas abounding in winds, regardless of the number of sunny days. These are various cuttings and steep coastlines
- the pans will be built of concrete, although other materials are possible as well.
- the system can be fully automated.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Earth Drilling (AREA)
- Seasonings (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
Embodiment of the sea-water salt-plant with overflowing cascade pans mostly depends on the terrain relief, aimed to utilising the wind direction and power in the best way possible. The best locations are steep coastlines and cuttings. The sea-water salt-plant with overflowing cascade pans can have two or more pans, lined in cascade sequences. The overflowing walls between the adjacent pans in a sequence can be constructed at various angles or vertical. Described in further details are sea-water salt-plants embodied in three variants: Variant A - sea-water salt-plant with overflowing cascade pans with forward slanted overflow wall, Variant B - sea-water salt-plant with overflowing cascade pans with vertical overflow wall, and Variant C - sea-water salt-plant with overflowing cascade pans with backward slanted overflow wall. The sea water is supplied to the pans by the piping distribution (D) with non-return valves and pump. Utilisation of slanted and vertical overflowing walls between the pans enables larger and more often contact of the sea water with the winds, which increases the effect of the horizontal air flows to water evaporation, this aimed to yielding of larger salt quantities.
Description
SEA-WATER SALT-PLANT INSTALLATION WITH OVERFLOWING CASCADE PANS
INVENTION DESCRIPTION
1. FIELD OF APPLICATION
The invention relates to sea-water salt-plant installation with overflowing cascade pans, intended for yielding of larger quantities of sea salt by using air streams. In the international Patent Classification, it is classified as Section E - Fixed Constructions, Class E04 - Building; Subclass E04H - Pools; Group 4/00, that includes various pools.
2. TECHNICAL PROBLEM
While in the development of new technologies the wind power is taking a special place, this invention too proves how useful wind may be as the source of energy in salt production.
The technical problem solved by this invention relates to the structure and position of sea-plant pans aimed to better utilisation of natural wind flow, enabling thus larger, more economic and efficient sea-salt production.
3. STATE OF THE ART
The sea salt (NaCI) is still being produced in salt-plants built in the Middle Ages or even earlier, their structure and location corresponding to the then state of technology. The pools have been built on flat grounds.
In the current endeavours to increase the sea-plant production, the air flow has not been used to the fullest extent possible. Nowadays, normally, such salt plants are built protected from the wind.
The technological problem of such salt plants is the low utilisation of the air flow that may increase the salt production.
4. DISCLOSURE OF THE INVENTION
The essence of the invention is a salt-plant with overflowing cascade pans.
Between adjacent pans are overflowing partitions that may be built slanted or vertical.
The sea-water salt-plant with overflowing cascade pans may be embodied to comprise two or more pans in a sequence, best on steep coastlines or in cuttings.
The sea water is supplied to the pans and its constant circulation over the overflowing walls is obtained by a piping distribution equipped with valves and a pump. Given the plant location, the most economic pump powering would be by wind.
Utilisation of slanted and vertical overflowing walls between the pans enables larger and more often contact of the sea water with the winds, which increases the effect of the horizontal air flows to water evaporation aimed to yielding of larger salt quantities.
5. ILLUSTRATION DESCRIPTIONS
Figure 1 shows the sea-water salt-plant variant with forward slanted overflowing wall between two pans - side cross-section.
Figure 2 shows the sea-water salt-plant shown in the Figure 1 - top view.
Figure 3 shows the sea-water salt-plant variant with vertical overflowing wall between two pans - side cross-section.
Figure 4 shows the sea-water salt-plant shown in the Figure 3 - top view.
Figure 5 shows the sea-water salt-plant variant with backward slanted overflowing wall between two pans - side cross-section.
Figure β shows the sea-water salt-plant shown in the Figure 5 - top view.
Figure 7 shows a sea-water salt-plant comprising five pans and four forward slanted overflowing walls between the adjacent pans - side cross-section.
Figure 8 shows a sea-water salt-plant comprising four, mutually parallel, sequences of pans with forward slanted overflowing walls - top view. Figure θ shows a sea-water salt-plant with forward slanted wall between two pans, in operation - side cross-section.
Figure 10 shows a sea-water salt-plant with vertical wall between two pans, in operation - side cross-section.
Figure 11 shows a sea-water salt-plant with backward slanted wall between two pans, in operation - side cross-section.
Figure 12 shows a sea-water salt-plant comprising five pans and four forward slanted overflowing walls between the adjacent pans, in operation - side cross- section.
β. DETAILED DESCRIPTION OF THE INVENTION EMBODIMENT
The embodiment of the sea-water salt-plant with overflowing cascade pans depends on the terrain relief, aimed to the best possible utilisation of the wind direction and force. Hence, the best locations are steep coastlines and cuttings.
A sea-water salt-plant with overflowing cascade pane must include two or more pans lined in cascading sequences.
The salt-plant pans make accumulations of the sea water, where the water evaporates and the salt sets, as the final product of the process.
The overflowing walls between adjacent pans in a sequence, sea-water salt-plant with overflowing cascade pans can be made under various angles but this description will deal in further detail with three such variants:
Variant A - sea-water salt-plant with overflowing cascade pans, with forward slanted overflowing wall,
Variant B - sea-water salt-plant with overflowing cascade pans, with vertical overflowing wall, and
Variant C - sea-water salt-plant with overflowing cascade pans, with backward slanted overflowing wall.
Constructing of slanted and vertical overflowing walls between pans enables larger and more often contact of the sea water with the air flows, which increases the effect of the horizontal air flows to water evaporation, aimed to yielding larger salt quantities.
The sea water is supplied to the pans and constant circulation of the sea water over the overflowing walls is obtained by the piping distribution D with non-return valves and a pump. Given the plant location, the most economic pump powering would be by wind.
The invention description presents sea-water salt-plant with overflowing cascade pans, variants A, B and C, comprising two pans and three overflowing-wall shapes.
Figures 1 and 2 show the variant A - sea-water salt-plant with overflowing cascade pans with forward slanted overflowing wall between two pans. The sea-water salt plant A comprises: the first pan 1, overflowing partition 2, forward slanted overflowing wall 3, the second pan 6, end partition 7, piping system D supplying the sea water and comprising: intake basket-strainer 8, supply pipe 9 to the non-return valve, non-return valve 10, outtake pipe 11 from the second pan, supply pipe 12 from the non-return valve to the pump, pump 13, and supply pipe 14 from the pump to the first pan
Figures 3 and 4 show the variant B - sea-water salt-plant with overflowing cascade pans with vertical overflowing wall between two pans.
The sea-water salt plant B comprises: the first pan 1, overflowing partition 2, vertical overflowing wall 4, the second pan 6, end partition 7, piping system D supplying the sea water and comprising: intake basket-strainer 8, supply pipe 9 to the non-return valve, non-return valve 10, outtake pipe 11 from the second pan, supply pipe 12 from the non-return valve to the pump, pump 13, and supply pipe 14 from the pump to the first pan 1.
Figures 5 and 6 show the variant C - sea-water salt-plant with overflowing cascade pans with backward slanted overflowing wall between two pans.
The sea-water salt plant A comprises: the first pan 1, overflowing partition 2, backward slanted overflowing wall 5, the second pan 6, ending partition 7, piping system D supplying the sea water and comprising: intake basket-strainer 8, supply pipe 9 to the non-return valve, non-return valve 10, outtake pipe 11 from the second pan, supply pipe 12 from the non-return valve to the pump, pump 13, and supply pipe 14 from the pump to the first pan.
In order to increase the capacities, all three sea-water salt-plant variants, A, B and C, may comprise two or more pans in a single sequence, or in several, mutually parallel, sequences.
Figure 7 shows the variant A - sea-water salt-plant with overflowing cascade pans and forward slanted overflowing walls, comprising five pans in a cascading sequence.
Figure 8 shows the variant A - sea-water salt-plant comprising four parallel sequences of pans.
The best locations for such sea-water salt-plants are steep coastlines 17 and cuttings with sufficient wind.
Utilisation of overflowing cascade pans with walls between several pans enables larger and more often contact of the sea water with the winds, which increases the effect of the horizontal air flows to water evaporation, this aimed to yielding of larger salt quantities.
Functioning of the invention
Functioning of the sea-water salt-plant, by this invention, is explained with regard to the sea-water salt-plant embodiment of the variant A, Figures 1 and 9. The process is possible in two ways:
Way one - When started, the pump 13 pumps fresh sea water 15 through the intake strain-basket 8 and the supply pipes 9, 12 and 14, filling the pan 1. The
non-return valve 10 is set to prevent the sea water to enter the pool 6 through the pipe 11. When the pan 1 is full, the sea water flows over the overflow partition 2 and the overflow wall 3 into the pan 6. When the pan 6 is filled with the sea water, the non-return valve 10 shuts the sea-water supply through the pipe 9, and opens the sea-water supply from the pan β through the pipe 11. Now the pump 13 pumps the sea water only from the pan 6, pumping it through the pipes 12 and 14 into the pan 1. This action runs as long as there is still sea water 15 in the pan 6. The air flow passing over the sea-water layer 15, while this flows over the overflow wall 3, enhances evaporation of the sea water and, thus, sedimentation of salt 16 at the bottom of the pans 1 and 6. The described action is terminated once all the sea-water thus processed is turned into salt. Simultaneously, a lesser quantity of salt also settles in the pan 1.
Way two - Both non-return valves 10 are set to enable the pump 13 supply fresh sea water 15 simultaneously to both the pans 1 and 6. When both pans are full, the fresh sea-water supply is cut, and the non-return valve 10 is set to enable the pump 13 to take the sea water through the pipe 11 from the pan 6 into the pan 1. After this, the sea water will flow over the overflow partition 2 and the overflow wall 3, into the pan 6. This action will run as long as there is sea water in the pan 6, or until all the sea water crystallises into salt.
In the same way salt is produced in the sea-water salt-plants constructed by the variant B, with vertical overflowing wall 4, Figures 2 and 10, and the variant C, with backward slanted overflow wall, Figures 3 and 11.
In the sea-water salt-plant comprising more than two pans, Figure 7, the nonreturn valves 10 are set to enable the pump 13 to pump the fresh sea water into the top pan of the sequence, from which it flows over the overflow partition and the overflow wall into the next pan, and from there over the next overflow partition and overflow wall into the again next pan, and so on, until the bottom pan in the sequence. Once the last pan is full, its non-return valve shuts the new sea-water
supply, and opens the sea-water flow from the bottom into the top pan. The now recycled sea-water from the bottom pan fills the top pan, from there running again through all the pane and over all the overflowing partitions and overflowing walls once again. The cycle repeats until the entire sea water in the process is evaporated and turned into salt.
In such pan sequences, the procedure may also be run firstly to fill all the pans with fresh sea water, thereafter shutting the fresh βea-water supply and continuing the procedure by supplying the sea-water from the bottom into the top pan until the entire sea water is turned into salt in all the pans.
The entire procedure described, from starting the pump, taking fresh sea-water in, pumping the sea water from one pan to another, adding fresh sea-water, and other necessary actions, can be performed manually or fully automated, with already known automation devices.
Since, while flowing over the overflow walls, the sea-water accelerates, containing a certain amount of potential energy, at the bottom of the overflowing walls can be fitted water turbines to power electric generators.
BRIEF DESCRIPTION OF REFERRAL MARKS:
A - sea-water salt-plant with overflowing cascade pans variant with forward slanted overflow wall
B - sea-water salt-plant with overflowing cascade pans variant with vertical overflow wall
C - sea-water salt-plant with overflowing cascade pans variant with backward slanted overflow wall
1 - pan
2 - overflow partition
3 - overflow wall, forward slanted
4 - overflow wall, vertical
5 - overflow wall, backward slanted 6 - pan
7 - end partition
D - sea-water supply piping
8 - intake basket-strainer
9 - supply pipe to non-return valve
10 - non-return valve
11 - outtake pipe from pan 6
12 - supply pipe from non-return valve to pump
13 - pump
14 - supply pipe from pump to pan 1 15 - freβh sea-water
16 - salt
17 - coastline
7. INVENTION APPLICATION
The invention application is made obvious in its description. The sea-water salt- plant with overflowing cascade pans with overflowing walls will be particularly economic if located in areas abounding in winds, regardless of the number of sunny days. These are various cuttings and steep coastlines The pans will be built of concrete, although other materials are possible as well. The system can be fully automated.
The most economic powering of pumps at such locations is by wind or combined powering.
Claims
1. Sea-water salt-plant with overflowing cascade pans, comprising two or more pans, and supplied a sea-water by pumps, where sea-water evaporation leaves crystallised salt, wh e re in it comprises two or more overflowing cascade pans in a sequence, overflowing walls (3, 4, 5) between adjacent overflowing pans in a sequence may be constructed at various slanting angles or vertical; the sea-water salt-plant with overflowing cascade pans has a piping distribution (D) that takes the fresh sea water (15) into, from and between the pans.
2. The sea-water salt-plant as claimed in Claim 1, wh e re i n it has one or several sequences of overflowing cascade pans.
3. The sea-water salt-plant as claimed in Claims 1 and 2, wh e rein it has one or several sequences of overflowing cascade pans, placed parallel to each other.
4. The sea-water salt-plant as claimed in Claim 1, wh e re in the piping distribution taking (D) the fresh sea water (15) into, from and between the pans is made of pipes, the pump (13) and non-return valves (10).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HR20090001A HRPK20090001B3 (en) | 2008-12-30 | 2008-12-30 | Salt evaporation pond with spillway cascade basins |
HRP2009001A | 2008-12-30 |
Publications (1)
Publication Number | Publication Date |
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WO2010076576A1 true WO2010076576A1 (en) | 2010-07-08 |
Family
ID=42174096
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/HR2009/000034 WO2010076576A1 (en) | 2008-12-30 | 2009-12-30 | Sea-water salt-plant installation with overflowing cascade pans |
Country Status (2)
Country | Link |
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HR (1) | HRPK20090001B3 (en) |
WO (1) | WO2010076576A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2528006C1 (en) * | 2013-04-25 | 2014-09-10 | Государственное научное учреждение Всероссийский научно-исследовательский институт гидротехники и мелиорации им. А.Н. Костякова Российской академии сельскохозяйственных наук (ГНУ ВНИИГиМ Россельхозакадемии) | Evaporation pond of drainage flow |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US681407A (en) * | 1900-06-27 | 1901-08-27 | Percie H Coward | Process of obtaining salt. |
FR1069792A (en) * | 1952-01-07 | 1954-07-13 | Process of concentrating seawater to obtain crystallization of sodium chloride or other salts | |
US3655517A (en) * | 1969-10-22 | 1972-04-11 | Justin C Hensley Jr | Molded plastic solar still |
US3992246A (en) * | 1974-12-09 | 1976-11-16 | Welch Milton C | Solar evaporator |
US5316626A (en) * | 1989-09-15 | 1994-05-31 | Blondel Guy | Process and apparatus for the production of fresh water using solar energy |
US6821395B1 (en) * | 2000-07-21 | 2004-11-23 | Ian McBryde | Solar stills of the tilted tray type, for producing pure drinking water |
-
2008
- 2008-12-30 HR HR20090001A patent/HRPK20090001B3/en not_active IP Right Cessation
-
2009
- 2009-12-30 WO PCT/HR2009/000034 patent/WO2010076576A1/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US681407A (en) * | 1900-06-27 | 1901-08-27 | Percie H Coward | Process of obtaining salt. |
FR1069792A (en) * | 1952-01-07 | 1954-07-13 | Process of concentrating seawater to obtain crystallization of sodium chloride or other salts | |
US3655517A (en) * | 1969-10-22 | 1972-04-11 | Justin C Hensley Jr | Molded plastic solar still |
US3992246A (en) * | 1974-12-09 | 1976-11-16 | Welch Milton C | Solar evaporator |
US5316626A (en) * | 1989-09-15 | 1994-05-31 | Blondel Guy | Process and apparatus for the production of fresh water using solar energy |
US6821395B1 (en) * | 2000-07-21 | 2004-11-23 | Ian McBryde | Solar stills of the tilted tray type, for producing pure drinking water |
Also Published As
Publication number | Publication date |
---|---|
HRP20090001A2 (en) | 2010-07-31 |
HRPK20090001B3 (en) | 2011-10-31 |
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