WO2012033257A1 - Appareil et procédé de dessalinisation par osmose inverse en deux passages - Google Patents

Appareil et procédé de dessalinisation par osmose inverse en deux passages Download PDF

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Publication number
WO2012033257A1
WO2012033257A1 PCT/KR2010/008292 KR2010008292W WO2012033257A1 WO 2012033257 A1 WO2012033257 A1 WO 2012033257A1 KR 2010008292 W KR2010008292 W KR 2010008292W WO 2012033257 A1 WO2012033257 A1 WO 2012033257A1
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Prior art keywords
water
bypass
concentration
module
flow rate
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PCT/KR2010/008292
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English (en)
Inventor
Yong Gyun Park
Hyo Sang Kim
Sung Hyuk Park
Young Khee Oh
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Gs Engineering & Construction Corp.
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Publication of WO2012033257A1 publication Critical patent/WO2012033257A1/fr

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    • 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
    • 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
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B01D61/026—Reverse osmosis; Hyperfiltration comprising multiple reverse osmosis steps
    • 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
    • B01D61/12—Controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/08—Flow guidance means within the module or the apparatus
    • B01D2313/083—Bypass routes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2317/00—Membrane module arrangements within a plant or an apparatus
    • B01D2317/02—Elements in series
    • B01D2317/022—Reject series
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/40—Liquid flow rate
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/04—Flow arrangements
    • C02F2301/043—Treatment of partial or bypass streams
    • 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

Definitions

  • the present invention relates to reverse osmosis (RO) desalination apparatus and method; and more particularly to, two-pass RO desalination apparatus and method for controlling concentration of a specific material through two-pass RO process.
  • RO reverse osmosis
  • Seawater desalination is a representative technology for solving domestic and foreign problems of fresh water shortage and securing alternative water resource as well as developing global markets and creating high value industrial products.
  • the size of seawater desalination market is currently about 3 million ton/day and it is expected to grow up to 6.2 million ton/day.
  • the technology is becoming a solution to provide alternative water resource to domestic and foreign water stressed regions. Particularly, it is possible to save water cost and improve environmental problem by substituting plans for securing water resource by dam constructions which causes environmental disputes. Therefore, demands for the seawater desalination are gradually growing.
  • There are several methods such as a thermal and a RO desalination. Recently, the RO is widely used because the energy for producing a unit volume of water is less than the thermal method.
  • RO system separates components contained in seawater and brackish water using polymeric membranes, dilutes the product water to use it as any objective water or drinking water, and discharges the concentrated water back to the sea.
  • RO seawater desalination system is disclosed in a U.S. Patent Application Publication No. 2009/0194471, entitled REVERSE OSMOSIS SEA WATER DESALINATION SYSTEM.
  • a RO membrane has a rejection rate for NaCl equal to or larger than 99.9% but has a relatively low rejection rate for boron about 80 to 90%. Consequently, the filtered water through the RO membrane possibly contains a relatively high concentration of boron.
  • a two-pass RO process is used. That is, once treated water with an efficiency of 80 to 90% in a primary RO process is treated in a secondary RO process to maintain concentration of boron under standard water quality.
  • the rejection rate for boron in the RO process varies according to concentration of boron, temperature, and operating time of the RO process, concentration of boron in the treated water is irregular.
  • the present invention provides two-pass RO desalination apparatus and method for producing fresh water in which concentration of a specific material is regulated under the present regulations by controlling a flow rate of the water treated by the RO method while measuring concentration of the specific material in the water.
  • a two-pass RO desalination apparatus in accordance with a first aspect of the present invention, there is provided a two-pass RO desalination apparatus.
  • the two-pass RO desalination apparatus includes a first RO module for receiving feed water through an inlet pipe to desalinate the feed water; and a second RO module for receiving primarily treated water to desalinate the primarily treated water.
  • the two-pass RO desalination apparatus includes a bypass pipe through which bypass water (i.e., some amount of the feed water or some amount of the primarily treated water) branched from the first RO module or the inlet pipe bypasses such that the bypass water may not be desalinated in the first or the second RO module.
  • the two-pass RO desalination apparatus includes a product water pipe through which a product water in which the secondarily treated water is blended with the bypass water ; and a controller for controlling the flow rate of the water passing through the first or second RO module, or the pipes.
  • the controller may measure concentrations of specific materials in the product water and control the flow rate of the water to maintain the measured concentrations of the specific materials in the product water under a preset regulation range.
  • the specific material may comprise boron and the concentration of the specific material may be regulated to range from about 0.3 to 1.0 mg/L.
  • the bypass pipe may allow some amount of the feed water to bypass the first RO module or some amount of the primarily treated water to bypass the second RO module, and the controller may control the ratio of the bypass water.
  • the two-pass RO desalination apparatus may further include feed water sensor for measuring properties of the feed water, the feed water sensor being provided on the inlet pipe; and a product water sensor for measuring properties of the product water, the product water sensor being provided on the product water pipe.
  • the controller controls flow rate of the water based on the properties measured by the feed water sensor and the product water sensor.
  • the properties of the feed water and the product water may comprise at least one of conductivity, temperature, pH, and a flow rate.
  • the controller may calculate the concentration of the specific material in the product water based on the measured values to control the flow rate of the water based on the calculated concentration of the specific material.
  • the controller may calculate a total concentration of ions using the measured conductivity, a recovery rate using the measured flow rate, a water velocity through RO membrane using the total concentration of the ions and the flow rate, and the concentration of the specific material using the total concentration of the ions, the recovery rate, and the water velocity.
  • the controller may calculate the concentration of the specific material using a pre-calculated constant according to properties of the first RO module and the second RO module, and may determine whether the calculated concentration of the specific material satisfies a regulation standard of treated water.
  • the two-pass RO desalination apparatus may further include a primarily treated water sensor for measuring a flow rate of a primarily treated water supplied to the second RO module; and a bypass water sensor for measuring a flow rate of the bypass water.
  • the controller may control a ratio of the primarily treated water and the bypass water based on the measured values by the primarily treated water sensor and the bypass water sensor.
  • the two-pass RO desalination apparatus may further include a primarily treated water pump for controlling the flow rate of the primarily treated water or a bypass water pump for controlling the flow rate of the bypass water.
  • the controller controls the primarily treated water pump or bypass water pump to control the flow of the water.
  • a two-pass RO desalination method includes desalinating feed water into a primarily treated water in a first RO module; and desalinating the primarily treated water into a fresh water in a second RO module. Further, the two-pass RO desalination method includes allowing the bypass water to bypass the first or the second RO module such that the bypass water may not be desalinated in the first or the second RO module; and blending the primarily or secondarily treated water with the bypass water to produce a product water. Furthermore, the two-pass RO desalination method includes controlling a flow of the water passing through the first or second RO module, or the pipes.
  • controlling the flow of the water may include measuring a concentration of a specific material of the product water; and controlling a flow rate of the water based on the measured concentration such that the concentration of the specific material in the product water is maintained within a preset range.
  • said measuring the concentration may include measuring a concentration of boron and said controlling the flow rate of the water may regulate the concentration of the boron to range from about 0.3 to 1.0 mg/L.
  • controlling the flow rate of the water may control a ratio of a flow rate of the bypass water to maintain a concentration of the product water constant.
  • controlling the flow of the water may include measuring properties of the feed water and the product water; calculating a concentration of the specific material in the product water based on the measured values; and determining whether the calculated concentration of the specific material satisfies a regulation standard for treated water.
  • said measuring the properties may include measuring at least one of conductivity, temperature, pH and flow rates of the feed water and the product water, and calculating the concentration of the specific material using a pre-calculated constant according to properties of the first and the second RO modules .
  • controlling the flow of the water may include measuring flow rates of the primarily treated water supplied to the second RO module and the bypass water, and controlling a ratio between the flow rate of the primarily treated water and the bypass water based on the measured flow rates.
  • a flow rate of water desalinated in the RO desalination method is controlled by measuring concentration of a specific material in the water. As a result, fresh water that concentration of the specific material therein is maintained while satisfying a regulation standard of treated water may be produced.
  • the load applied to the two-pass RO desalination method is reduced. Consequently, the number of needed modules decreases and the amount of the product water increases.
  • Concentrations of separated water and treated water are controlled in association with concentration of the boron in the product water to maintain a preset concentration of boron in the product water. Consequently, the seawater desalination method may be stably managed and maximum operation efficiency may be obtained.
  • Fig. 1 is a schematic diagram illustrating a two-pass RO desalination apparatus in accordance with an embodiment of the present invention
  • Fig. 2 is a schematic diagram illustrating a two-pass RO desalination apparatus in accordance with another embodiment of the present invention
  • Fig. 3 is a flow chart illustrating a two-pass RO desalination method in accordance with an embodiment of the present invention.
  • Fig. 4 is a flow chart illustrating a method of controlling a flow rate of water in accordance with an embodiment of the present invention.
  • Fig. 1 shows a schematic diagram illustrating a two-pass RO desalination apparatus in accordance with an embodiment of the present invention.
  • a two-pass RO desalination apparatus in accordance with an embodiment of the present invention includes an inlet pipe 1 through which a feed water passes; and a first RO module 11 receiving the feed water and desalinating the received feed water into a primarily treated water. Further, the two-pass RO desalination apparatus includes a primarily treated water pipe 2 through which the primary treated water desalinated in the first RO module 11 passes; and a second RO module 12 receiving the primarily treated water and desalinating the received primary treated water into a secondarily treated water. Further, the two-pass RO desalination apparatus includes a secondarily treated water pipe 3 through which the secondarily treated water desalinated in the second RO module 12 passes.
  • the two-pass RO desalination apparatus includes a bypass pipe 4 branched from the first RO module 11 to allow some amount of the primarily treated water (i.e., bypass water) to bypass the second RO module 12 such that the bypass water may not be desalinated in the second RO module 12.
  • the two-pass RO desalination apparatus includes a product water pipe 5 through which a product water in which the secondarily treated water is blended with the bypass water passes.
  • the two-pass RO desalination apparatus may include a feed water sensor 23 provided in the inlet pipe 1 to measure properties of the feed water and a product water sensor 24 provided in the product water pipe 5 to measure properties of the product water.
  • the RO desalination apparatus may further include a primarily treated water sensor 22 measuring a flow rate of the primarily treated water supplied to the second RO desalination module 12 and a bypass water sensor 21 measuring a flow rate of the bypass water supplied to the bypass pipe 4.
  • the two-pass RO desalination apparatus may include a primarily treated water pump 28 controlling the flow rate of the primarily treated water or a bypass water pump 27 controlling the flow rate of the bypass water.
  • the concentrated water from the first RO desalination module 11 and the second RO desalination module 12 is discharged through an outlet pipe 6.
  • the bypass water pump 27 and the primarily treated water pump 28 may be substituted with other control instrument such as valves.
  • the feed water may be seawater or brackish water.
  • a specific material of which is subject to be controlled may be boron (B) or other various materials such as chlorine Cl or sulfide S.
  • the concentration of the boron may be regulated to range from about 0.3 to 1.0 mg/L according to the international standard.
  • a controller 14 controls a flow of the water passing through the first and second RO desalination modules 11 and 12 and the pipes 2, 3, 4, and 5.
  • the controller 14 measures the concentration of the specific material in the product water and controls the flow rate of the water such that the concentration of the specific material in the product water is maintained at a preset level or under a specific value based on the measured concentration.
  • the controller 14 calculates the concentration of the specific material in the product water based on measured properties of the feed water and the product water to determine whether the calculated concentration satisfies the regulation standard of treated water.
  • the properties of the feed water and the product water measured by the feed water sensor 23 and the product water sensor 24 include at least one of conductivities, temperatures, pH, and flow rates of the feed water and the product water.
  • the concentration of the specific material is calculated using the properties such as the measured conductivities, temperatures, pH, and flow rates of the feed water and the product water.
  • the measured conductivities are used to calculate total concentration of ions
  • the measured flow rates are used to calculate a recovery rate and the total concentration of ions and the flow rates are used to calculate a water velocity through RO membranes.
  • the concentration of the specific material may be calculated based on the total concentration of ions, the recovery rate, the water velocity through the RO membranes, and the measured temperatures.
  • the pre-calculated coefficient is used to calculate the concentration of the specific material according to properties of the first RO module 11 and the second RO module 12.
  • a ratio between the flow rate of the primarily treated water supplied to the second RO module 12 and the flow rate of the bypass water supplied to the bypass pipe 4 is controlled.
  • the concentration of the product water may be controlled.
  • the primarily treated water pump 28 or the bypass water pump 27 is controlled to control the ratio between the primarily treated water and the bypass water, thus a flow of the water can be controlled.
  • current regulations of the boron in the treated water are between 0.5 and 1.0 mg/L.
  • the bypass water pump 27 and the primarily treated water pump 28 are controlled to increase the flow rate of the primarily treated water and to decrease the flow rate of the bypass water.
  • the concentration of the boron in the product water is less than 0.5 mg/L, the flow rate of the bypass water is relatively increased.
  • Fig. 2 is a schematic diagram illustrating a two-pass RO desalination apparatus in accordance with another embodiment of the present invention.
  • same reference numerals are assigned to the same elements as or elements corresponding to the elements in Fig. 1 and descriptions thereof will be omitted.
  • the bypass pipe 4 is branched from the feed water pipe 1 to allow some amount of the feed water (i.e., bypass water) to bypass the first RO module 11 such that the bypass water may pass through the bypass pipe 4 and may not be desalinated in the first RO module 11.
  • the bypass pipe 4 includes a bypass water sensor 21 measuring a flow rate of the bypass water and a bypass pump 27 controlling the flow rate of the bypass water.
  • Fig. 3 is a flow chart illustrating a two-pass RO desalination method in accordance with an embodiment of the present invention.
  • Fig. 4 is a flow chart illustrating a method of controlling flow of water in accordance with the embodiment of the present invention.
  • the two-pass RO desalination method in accordance with the embodiment of the present invention includes desalinating a feed water into a primarily treated water in the first RO module 11 in step S41; and desalinating the primarily treated water into a secondarily treated water in the second RO module 12 in step S42. Further, the two-pass RO desalination method includes allowing the bypass water to bypass the first RO module 11 or the second RO module 12 such that the bypass water may not be desalinated in the first or the second RO module in step S43. Further, the two-pass RO desalination method includes blending the primarily treated water or the secondarily treated water with the bypass water to produce a product water in step S4. Furthermore, the two-pass RO desalination method includes controlling a flow of the water passing through the first RO module 11 or the second RO module 12 and the pipes 2,3,4 and 5 in step S45.
  • step S45 of controlling the flow of the water concentration of the specific material in the product water is measured and a flow rate of the water may be controlled to maintain the concentration of the specific material in the product water within a preset range based on the measured concentration of the specific material. At least one of properties such as conductivities, temperatures, pHs, and flow rates of the feed water and the product water is measured in step S45a and concentration of the specific material in the product water is calculated based on the measured properties in step S45b. In addition, the flow rate of the water is controlled by determining whether the calculated concentration of the specific material satisfies the regulation standard of treated water within a preset range in step S45c.
  • step S45 of controlling the flow of the water flow rates of the feed water supplied to the first RO module 11 or the primarily treated water supplied to the second RO module 12, and the bypass water are measured in step S45d. Further, a ratio between the primarily treated water or the secondarily treated water and the bypass water is controlled based on the measured flow rates in step S45e so that concentration of the boron in the product water may be controlled.
  • treated water means "product water”.
  • total concentration of the water may be indirectly measured using the following math figure 1.
  • C is total concentration of ions in the water
  • CD is conductivity of the water.
  • a recovery rate R is a ratio value of a flow rate of the treated water with respect to the feed water, that is, a value of the flow rate of the treated water over the flow rate of the feed water. Therefore, the recovery rate is obtained using a measured flow rate of the feed water and a measured flow rate of the treated water from the following math figure 2.
  • a water velocity of ions through a RO membrane J is calculated.
  • the water velocity through the RO membrane may be obtained from the following math figure 3.
  • Q p is a flow rate of the treated water
  • C p is a total concentration of ions in the treated water
  • A is a sectional area of the RO membrane.
  • the water velocity of the total ions and concentration of the boron have a proportional relationship and a proportional coefficient of the relationship is expressed by the following math figure 4.
  • conductivity C f, temperature T f , pH, and flow rate Q f of the feed water are measured by sensors and conductivity C p , temperature T p , pH, and flow rate Q p of the treated water are measured by sensors.
  • CD f and T f substitute for T and CD in math figure 1 to obtain the total concentration C f of the feed water
  • CD p substitute for CD in math figure 1 to obtain the total concentration of ions.
  • the recovery rate R of the treated water is obtained from math figure 2 and the water velocity J of ions through a RO membrane is obtained from math figure 3, and then the proportional coefficient B 0 with respect to the total concentration of ions is obtained from math figure 4.
  • a relative concentration of a boric acid and a borate having different chemical structures has a mathematical relationship as shown in math figures 5 and 6, a relative concentration of the boric acid and the borate may be calculated if pH and temperature are given.
  • K a1 indicates an equilibrium constant between a boric acid and a borate
  • [H 2 BO 3 - ] indicates concentration of the borate
  • [H 3 BO 3 ] indicates concentration of the boric acid
  • [H + ] indicates an activity of hydrogen ion.
  • Units of the concentrations of the borate and the boric acid, the activity of hydrogen ion, and concentration of chlorine ion S are ML -3 .
  • T in math figures 2 and 3 indicates absolute temperature (degree K).
  • J, R, and T p are the above-described water velocity J through a RO membrane and the recovery rate R and the temperature T p of the treated water.
  • f 1 and f 2 are finally calculated from the following math figures 9 and 10.
  • f 1 is a ratio between the proportional coefficient B 1 of the boric acid and a proportional coefficient B 0 with respect to the total concentration of ions
  • f 2 is a ratio between a proportional coefficient B 2 of the borate and the proportional coefficient B 0 with respect to the total concentration of ions.
  • the constants f 1 and f 2 calculated in the preliminary experiment are used to calculate concentration of the boron during the operation of the two-pass RO desalination apparatus.
  • conductivity CD f,real , temperature T f, real , pH, and a flow rate Q f, real of the feed water and conductivity CD p, real , temperature T p, real , and a flow rate Q p, real of the treated water are measured in real time.
  • Total concentration of ions C f, real of the feed water and total concentration of ions C p, real of the treated water are obtained using the measured values from math figure 1, the recovery rate of the treated water R is obtained from math figure 2.
  • the water velocity J of ions through a RO membrane is obtained from math figure 3.
  • the proportional coefficient B 0, real with respect to the total concentration of ions is obtained from math figure 4.
  • B 1, real and B 2 are calculated by math figures 7 and 8 using the obtained B 0, real and f 1 and f 2 obtained in the preliminary experiment.

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  • 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'appareil de dessalinisation par osmose inverse (OI) en deux passages ci-décrit comprend un premier module OI pour recevoir l'eau d'alimentation par un tuyau d'admission et dessaliniser ladite eau d'alimentation ; et un second module OI pour recevoir essentiellement l'eau traitée. L'appareil de dessalinisation OI en deux passages ci-décrit comprend, en outre, un tuyau de dérivation par lequel passe l'eau dérivée à partir du premier module OI ou du tuyau d'admission de façon que l'eau dérivée puisse ne pas être dessalinisée dans le premier ou le second module OI. De plus, l'appareil de dessalinisation OI en deux passages selon l'invention comprend, en outre, un tuyau d'eau en produit par lequel passe une eau en produit constituée de l'eau traitée secondairement mélangée à l'eau dérivée ; et un contrôleur pour réguler le débit de l'eau passant par le premier ou le second module OI, ou les tuyaux.
PCT/KR2010/008292 2010-09-09 2010-11-23 Appareil et procédé de dessalinisation par osmose inverse en deux passages WO2012033257A1 (fr)

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KR1020100088276A KR101051345B1 (ko) 2010-09-09 2010-09-09 2단 역삼투 담수화 장치 및 방법
KR10-2010-0088276 2010-09-09

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US10603635B2 (en) 2016-05-04 2020-03-31 Massachusetts Institute Of Technology Multi-stage reverse osmosis systems and methods
WO2021131156A1 (fr) * 2019-12-25 2021-07-01 オルガノ株式会社 Système de traitement des eaux et procédé de traitement des eaux

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KR101929815B1 (ko) * 2012-11-08 2018-12-17 엘지전자 주식회사 복수 개의 역삼투막 장치를 이용한 수처리장치 및 수처리방법
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KR101402346B1 (ko) 2012-12-27 2014-06-03 주식회사 포스코 역삼투 해수담수화 방법
KR101530683B1 (ko) * 2014-03-11 2015-06-23 주식회사 포스코건설 조수간 해수 염분농도 차이를 이용한 해수 담수화 장치 및 이를 이용한 해수 담수화 방법
KR101633314B1 (ko) 2015-02-27 2016-06-24 국민대학교산학협력단 역삼투 담수화 장치 및 방법
WO2019017747A1 (fr) 2017-07-21 2019-01-24 주식회사 아모그린텍 Appareil de dessalement d'eau de mer
KR101909397B1 (ko) * 2017-11-28 2018-10-17 포항공과대학교 산학협력단 유도 용질 전처리 과정을 포함하는 정삼투-역삼투 하이브리드 담수화 시스템 및 방법
KR20220161096A (ko) 2021-05-28 2022-12-06 오상헌 해수 담수화 장치
KR20230083922A (ko) 2021-12-03 2023-06-12 오상헌 프레넬 렌즈 적용 발전용 에너지 공급 시스템

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005224651A (ja) * 2004-02-10 2005-08-25 Toray Ind Inc 淡水製造方法および淡水製造装置
JP2007152265A (ja) * 2005-12-07 2007-06-21 Toray Ind Inc 淡水製造装置の運転方法および淡水製造装置
JP2008149284A (ja) * 2006-12-19 2008-07-03 Kobelco Eco-Solutions Co Ltd 飲料水製造用水処理システム及びその運転方法
JP2008173539A (ja) * 2007-01-16 2008-07-31 Kobelco Eco-Solutions Co Ltd 飲料水製造用水処理システム及びその運転方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005224651A (ja) * 2004-02-10 2005-08-25 Toray Ind Inc 淡水製造方法および淡水製造装置
JP2007152265A (ja) * 2005-12-07 2007-06-21 Toray Ind Inc 淡水製造装置の運転方法および淡水製造装置
JP2008149284A (ja) * 2006-12-19 2008-07-03 Kobelco Eco-Solutions Co Ltd 飲料水製造用水処理システム及びその運転方法
JP2008173539A (ja) * 2007-01-16 2008-07-31 Kobelco Eco-Solutions Co Ltd 飲料水製造用水処理システム及びその運転方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9925494B2 (en) 2014-11-17 2018-03-27 Massachusetts Institute Of Technology Concentration control in filtration systems, and associated methods
US10561987B2 (en) 2014-11-17 2020-02-18 Massachusetts Institute Of Technology Concentration control in filtration systems, and associated methods
US10603635B2 (en) 2016-05-04 2020-03-31 Massachusetts Institute Of Technology Multi-stage reverse osmosis systems and methods
WO2021131156A1 (fr) * 2019-12-25 2021-07-01 オルガノ株式会社 Système de traitement des eaux et procédé de traitement des eaux
JP2021102191A (ja) * 2019-12-25 2021-07-15 オルガノ株式会社 水処理システム及び水処理方法

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