WO2006067240A1 - Systeme de dessalage par osmose inverse alimente par de l'energie solaire - Google Patents

Systeme de dessalage par osmose inverse alimente par de l'energie solaire Download PDF

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Publication number
WO2006067240A1
WO2006067240A1 PCT/ES2004/000568 ES2004000568W WO2006067240A1 WO 2006067240 A1 WO2006067240 A1 WO 2006067240A1 ES 2004000568 W ES2004000568 W ES 2004000568W WO 2006067240 A1 WO2006067240 A1 WO 2006067240A1
Authority
WO
WIPO (PCT)
Prior art keywords
reverse osmosis
solar
plant
powered
desalination
Prior art date
Application number
PCT/ES2004/000568
Other languages
English (en)
Spanish (es)
Inventor
Gonzalo Piernavieja Izquierdo
Tomás ESPINO DOMÍNGUEZ
Baltasar PEÑATE SUAREZ
Daniel HENRÍQUEZ ÁLAMO
Original Assignee
Instituto Tecnologico De Canarias, S.A.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Instituto Tecnologico De Canarias, S.A. filed Critical Instituto Tecnologico De Canarias, S.A.
Priority to PCT/ES2004/000568 priority Critical patent/WO2006067240A1/fr
Publication of WO2006067240A1 publication Critical patent/WO2006067240A1/fr
Priority to TNP2006000374A priority patent/TNSN06374A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/10—Accessories; Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/04—Feed pretreatment
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08—Seawater, e.g. for desalination
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/009—Apparatus with independent power supply, e.g. solar cells, windpower or fuel cells
    • 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
    • Y02A20/131—Reverse-osmosis
    • 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
    • Y02A20/211—Solar-powered water purification
    • 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

Definitions

  • the present invention relates to a new system of desalination of seawater on a small scale, to convert it into drinking water, based on an osmotic process, specifically in a process of reverse osmosis, through membranes, which uses as obtained energy through a solar photovoltaic system.
  • the object of the invention is to achieve maximum utilization of the available solar energy, and considerable lengthening in the life of the reverse osmosis membranes, automatically adapting the plant's ranching time to the solar radiation available at the site and monitoring the charge-discharge cycles of the batteries that participate in the photovoltaic solar system.
  • the invention is especially applicable in places lacking potable, coastal water, without supplying conventional electricity and with good solar radiation.
  • brackish water with salinity ranges between 1,000 and
  • Reverse osmosis fed with photovoltaic systems is presented as a promising solution for obtaining small-scale drinking water from salt water.
  • the desalination system proposed by the invention fully and satisfactorily solves the above-mentioned problem, based on the use of a specific hydraulic circuit for this desalination plant, which incorporates a flushing circuit responsible for eliminating brine from the membrane tubes at each stop with product water, which allows the useful life of these membranes to be extended considerably.
  • the incorporation of a control automaton to manage the process of starting and stopping the plant has been foreseen, thereby optimizing the solar energy produced to cover the specific consumption of the plant.
  • desalination plant 5 - 6kWh / m 3 of desalinated water, which with a definition of greater accuracy of the capacity of the battery used in the system, it is possible to reduce the bank of batteries necessary for operation.
  • a control program allows adapting the operating time of the plant to the solar radiation available at the site, while allowing the monitoring of the charge-discharge cycles of the batteries.
  • this collection pump (1) can be powered by the existing electrical distribution network (4) in the area where the pump is installed, or at the expense of the energy supplied by a photovoltaic solar equipment ( 5) Electric power generation.
  • the water supplied by the collection pump (1) passes through a filtration unit (6), which in the unit tested is 20 and 5 microns, and is supplied to the reverse osmosis module (7), with the collaboration of a high pressure pump (8), powered by the solar photovoltaic generator (5).
  • a cleaning pump (9) draws the brine from the membranes of the module Reverse osmosis (7) with product water, leaving the membranes soaked in low salinity water until a new use of the plant, the next day.
  • the cleaning system also serves to periodically add chemical additives to the circuit for proper maintenance and periodic chemical cleaning of the membranes.
  • the tested system is powered by a 4.8 kWp photovoltaic field consisting of 64 A-75 modules of 75Wp, a battery bank consisting of 24 2-volt vessels of 400 Ah C100 (discharging in 100 hours), a regulator of 75 A, a 4.5 kW inverter and the protection elements, so that the system operates at a continuous nominal voltage of 48 V which is transformed by the inverter to AC 220 V to adapt it to the operating voltage of the plant.
  • the collection pump (1) has an approximate outlet pressure of 3 Kg / cm 2 , a flow of 1.5 m 3 / h and a power of 1 kW.
  • the high pressure pump (8) has a working pressure of 50 to 60 Kg / cm 2 and a flow rate of 1 m 3 / h.
  • the power consumption ranges between 2 and 2.2 kW depending on working at 55 or 60 bars respectively.
  • the cleaning pump (9) has a power of 0.75 kW, with a maximum flow of 8 m 3 / h.
  • the reverse osmosis module (7) is composed of 12 spiral winding membranes, 2.5 "in diameter.
  • the circuit of the figure is controlled by an automaton, requiring a minimum and optimized battery capacity, derived from a maximum adaptation of the consumption to the available radiation.
  • the batteries or accumulators not only function as a stabilizer of the continuous voltage at the input of the inverter, but also enable the use of excess radiation in the central hours of the day where the energy supplied by the photovoltaic system is greater than the consumed by the plant. This surplus is then used to run the system in the first and last hours of the day, where the opposite occurs.
  • the automaton is in turn controlled by a control program that presents two totally new factors in this type of process: it has been possible to adapt the operating time of the plant to the solar radiation available at the site, a fact that implies an almost zero operation of the charge controller. This brings with it that the performance of the system is the maximum possible, since the losses produced during the opening of the regulation system are avoided.
  • the control program carries out continuous checks of the actual battery capacity throughout the day. According to this factor, the control lengthens or decreases the operation of the plant thus achieving maximum use of the available radiation. In this way it is possible to generalize the use of this type of systems in any place, since its radiation will determine the operating time and therefore the amount of desalinated water.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

L'invention concerne un système de dessalage par osmose inverse alimenté par de l'énergie solaire, en vue de convertir de l'eau de mer en eau potable, qui utilise l'énergie ainsi obtenue au moyen d'un système solaire photovoltaïque, entraînant le prolongement de la vie utile des membranes d'osmose inverse, par adaptation automatique du temps de fonctionnement de l'installation au rayonnement solaire disponible au niveau du site et régulant les cycles de charge-décharge des batteries qui participent au système solaire photovoltaïque, comprenant un circuit de nettoyage, dans lequel agit une bombe de nettoyage (9), qui élimine le saumure des tubes de membrane du module (7) d'osmose inverse à la fin de chaque journée, incluant en outre un automate de commande destiné à gérer le procédé de démarrage et d'arrêt de l'installation.
PCT/ES2004/000568 2004-12-21 2004-12-21 Systeme de dessalage par osmose inverse alimente par de l'energie solaire WO2006067240A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/ES2004/000568 WO2006067240A1 (fr) 2004-12-21 2004-12-21 Systeme de dessalage par osmose inverse alimente par de l'energie solaire
TNP2006000374A TNSN06374A1 (en) 2004-12-21 2006-11-14 Solar-powered reverse osmosis desalination system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2004/000568 WO2006067240A1 (fr) 2004-12-21 2004-12-21 Systeme de dessalage par osmose inverse alimente par de l'energie solaire

Publications (1)

Publication Number Publication Date
WO2006067240A1 true WO2006067240A1 (fr) 2006-06-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2004/000568 WO2006067240A1 (fr) 2004-12-21 2004-12-21 Systeme de dessalage par osmose inverse alimente par de l'energie solaire

Country Status (2)

Country Link
TN (1) TNSN06374A1 (fr)
WO (1) WO2006067240A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008093132A2 (fr) * 2007-02-02 2008-08-07 G24 Innovations Limited Procédés d'utilisation de réseaux de cellules photovoltaïques
KR100905944B1 (ko) 2009-01-06 2009-07-06 뉴엔텍(주) 태양광열 복합모듈을 이용한 해수 담수화 장치
WO2011003874A1 (fr) 2009-07-06 2011-01-13 Technische Universität München Installations pv/t dans des systèmes de traitement des eaux
CN102774916A (zh) * 2012-08-21 2012-11-14 青岛炅阳光伏科技有限公司 光伏海水淡化系统
ES2542276A1 (es) * 2015-05-08 2015-08-03 Universidad De Alicante Sistema autónomo de tratamiento de aguas
CN109095562A (zh) * 2017-06-21 2018-12-28 北京天诚同创电气有限公司 反渗透海水淡化方法及系统
US11502323B1 (en) 2022-05-09 2022-11-15 Rahul S Nana Reverse electrodialysis cell and methods of use thereof
US11502322B1 (en) 2022-05-09 2022-11-15 Rahul S Nana Reverse electrodialysis cell with heat pump
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

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ALAJLAN S A, SMIAI M S: "Performance and development of PV - Plant for Water Pumping and Desalination for Remote Area in Saudi Arabia", RENEWABLE ENERGY, vol. 8, no. 1-5, 1996, SAUDI ARABIA, pages 441 - 446, XP004048710, DOI: doi:10.1016/0960-1481(96)88895-1 *
HEROLD D, NESKAKIS A: "A small PV-driven reverse osmosis desalination plant on the island of Gran Canaria", DESALINATION, vol. 137, 2001, GRAN CANARIA, pages 285 - 292, XP004296290, DOI: doi:10.1016/S0011-9164(01)00230-2 *

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008093132A2 (fr) * 2007-02-02 2008-08-07 G24 Innovations Limited Procédés d'utilisation de réseaux de cellules photovoltaïques
WO2008093132A3 (fr) * 2007-02-02 2009-04-30 G24 Innovations Ltd Procédés d'utilisation de réseaux de cellules photovoltaïques
KR100905944B1 (ko) 2009-01-06 2009-07-06 뉴엔텍(주) 태양광열 복합모듈을 이용한 해수 담수화 장치
WO2011003874A1 (fr) 2009-07-06 2011-01-13 Technische Universität München Installations pv/t dans des systèmes de traitement des eaux
DE102010004874A1 (de) 2009-07-06 2011-01-13 Technische Universität München PV/T-Anlagen in Wasseraufbereitungssystemen
CN102774916A (zh) * 2012-08-21 2012-11-14 青岛炅阳光伏科技有限公司 光伏海水淡化系统
ES2542276A1 (es) * 2015-05-08 2015-08-03 Universidad De Alicante Sistema autónomo de tratamiento de aguas
CN109095562A (zh) * 2017-06-21 2018-12-28 北京天诚同创电气有限公司 反渗透海水淡化方法及系统
US11502323B1 (en) 2022-05-09 2022-11-15 Rahul S Nana Reverse electrodialysis cell and methods of use thereof
US11502322B1 (en) 2022-05-09 2022-11-15 Rahul S Nana Reverse electrodialysis cell with heat pump
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

Also Published As

Publication number Publication date
TNSN06374A1 (en) 2008-02-22

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