TWM351870U - Reverse cleaning apparatus for seawater desalination reverse osmosis membrane - Google Patents

Reverse cleaning apparatus for seawater desalination reverse osmosis membrane Download PDF

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TWM351870U
TWM351870U TW97216985U TW97216985U TWM351870U TW M351870 U TWM351870 U TW M351870U TW 97216985 U TW97216985 U TW 97216985U TW 97216985 U TW97216985 U TW 97216985U TW M351870 U TWM351870 U TW M351870U
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Taiwan
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seawater
water
outlet
inlet
reverse osmosis
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TW97216985U
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Chinese (zh)
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mao-jing Chen
Zhi-ming CAO
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Taiwan Power Co
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Priority to TW97216985U priority Critical patent/TWM351870U/en
Publication of TWM351870U publication Critical patent/TWM351870U/en

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M35.1870 八 新型說明: 【新型所屬之技術領域】 a、f新型係有關於一種海水淡化裝置,尤指一種海水淡化逆 &透膜逆洗裝置,其可保護海水淡化膜表面清淨減少膜壓 造水電力及增長膜壽命節省膜更換所需費用。 、… 【先前技術】 ^水淡化,現行國際上主要關切之問題有:前處理技術進 展一薄膜堵塞問題、R〇系統能源回收技術進展、海水淡化 硼技術進展等問題。 ” 火力發電廠為將來更新計劃機組用水水源多元化,及避 水庫興建所造成環境林木資源破壞,減少溫室鐘排放,研究 ^用溫排水(約溫升7。〇為海水水源、以煙氣的廢敎為軌源提 、、Λ利1煙氣的二氧化硫降低海水PH(魏排煙海水脫 ί#逆滲透膜碳_結垢’及現有溫排水管路取 海水與濃縮海水排放稀釋,整合這些絲現有資 設備與造減料相_究,_最轉可㈣ 目雨逆渗透海水淡化造水成本’設備折| 設備加前處理設備),魏25%,縣賴 1處^ ^淡化膜表層雜逆洗(backwash) 八此用μ洗效果較差的掃流(flushing)方式清洗,且只 情況下清洗,前處理設備與逆渗透職用增加很/,、 透海水淡化膜可逆洗製程,值得進^ 究以降低成本及提高造水效率。 【新型内容】 本案係一種海水淡化逆滲透膜逆洗裝並一 壓果;-淡水逆洗水槽’·-膜管;—能源回收器卞以及二升^ 5 M351870 if纟射於該主缝籍_,健財泵繼續供 =回收器仍有能量·魏’泵送海水進入逆滲透 海f遞力逐漸降至26〜1GKg/cm2殘壓,M35.1870 Eight new descriptions: [New technical field] a, f new type is related to a seawater desalination device, especially a seawater desalination reverse & anti-membrane backwashing device, which can protect the seawater desalination film surface to reduce the film Pressurizing water and electricity and increasing membrane life saves on film replacement costs. [Previous technology] ^Water desalination, the current major international concerns are: pre-treatment technology progress, a film plugging problem, R〇 system energy recovery technology progress, seawater desalination, boron technology progress and other issues. The thermal power plant will be used to diversify the water supply of the unit in the future, and to destroy the environmental forest resources caused by the construction of the reservoir, reduce greenhouse gas emissions, and study the use of warm water drainage (about temperature rise 7. 〇 is the sea water source, with smoke The waste water is extracted from the rail source, and the sulfur dioxide of the flue gas is reduced. The seawater PH (Wei exhaust smoke seawater decoupling #reverse osmosis membrane carbon_fouling) and the existing warm drainage pipeline take the dilution of seawater and concentrated seawater, and integrate these Silk existing equipment and production and reduction materials _ research, _ the most transferable (four) eye rain reverse osmosis seawater desalination water cost 'equipment folding | equipment plus pre-treatment equipment), Wei 25%, county Lai 1 ^ ^ fade film surface Hybrid backwash (backwash) This is cleaned by the flushing method with poor μ-washing effect, and only in case of cleaning, the pre-treatment equipment and reverse osmosis service increase very much, and the seawater desalination membrane can be reverse washed, it is worthwhile. In order to reduce costs and improve water production efficiency [New content] This case is a seawater desalination reverse osmosis membrane reverse washing and a pressing fruit; - fresh water backwashing sink '·-membrane tube; - energy recovery device 卞 and two升^ 5 M351870 if 纟射在The main sewing _, Jiancai pump continues to supply = the collector still has energy · Wei' pumped seawater into reverse osmosis sea f-force gradually decreased to 26~1GKg/cm2 residual pressure,

Hi ’造成海水與淡水間之壓力差0〜16κ_2^ί每水 剝吸Γΐί側淡水’造成膜表面沉積之污物因逆洗而 參透膜’賴海水_渗翻f,_轉 :=用除可降低主高敝電費外,並可節省海水淡化膜 番本if之另一目的係提供一種海水淡化逆滲透膜逆洗裝 用餅低主高壓泵之電費外,並可節省海水淡化膜之更 置,述新型之—種海水淡化逆滲透膜逆洗裝 ί r/、· 一主咼壓泵,其一端連接至一海水進水口,可對 淡1加1^出二洗水槽’可供儲存海水逆洗所需之 ' ' ^ ,、有一海水入水口、一海水出水口及一淡水入 水1Γ ίΓ亥海水入水口麵接至該主高壓泵之出口處,該淡水 水槽之出口處,可於其内部藉由淡水 u, 有同辰縮海水入口耦接逆滲透膜 ίΓ(以供給回收濃縮海水中之能源)、一低壓 純騎縣心(續取时親海水中之 月匕源)、、一低壓浪縮海水出口排放、及一高壓進料海水 接ϊΐ’ϊΐίί泵’該一升壓泵,可供執行海水之升壓。1出 2 3主而壓^出口_接,其出口祕至該逆滲透膜^ 海水進水口 ’ Μ向於海水正渗透屢(26Kg/cm2)與逆渗透 降(依膜特性巧統設計而異)齡賴力劇造水目的厂 為使貴審查委員能進一步瞭解本新型之結構、特徵及其 M351870 目的’茲附以圖式及較佳具體實施例之詳細說明如后。 【實施方式】 請一併參照圖1及圖2,其中圖1繪示本案之海水淡化逆 滲透膜逆洗裝置之方塊示意圖;圖2繪示本案之海水淡化逆滲 透膜逆洗裝置之膜逆洗產水過程之示意圖。Hi 'causes the pressure difference between seawater and fresh water 0~16κ_2^ί per water stripping Γΐ 侧 side fresh water' causing the deposition of dirt on the surface of the membrane due to backwashing and seeping through the membrane 'Latwater _ oozing f, _ turn: = use It can reduce the main sorghum electricity bill, and can save the desalination membrane. Another purpose of the desiccant is to provide a seawater desalination reverse osmosis membrane for the reverse cleaning of the cake with the low main high pressure pump, and save the desalination membrane. Set, the new type of seawater desalination reverse osmosis membrane reverse washing ί r /, · a main pressure pump, one end connected to a seawater inlet, can be added to the light 1 plus 1 ^ two washing sink 'for storage ' ' ^ , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , The interior is connected to the reverse osmosis membrane by the fresh water u, the reverse osmosis membrane is used to supply the energy in the concentrated seawater, and the low-pressure pure riding county heart (the source of the moon in the pro-seawater) A low-pressure seawater discharge from the sea, and a high-pressure feedwater connection Ίί pump' This booster pump is used to perform seawater boosting. 1 out of 2 3 main and press ^ outlet _ connected, its outlet secret to the reverse osmosis membrane ^ seawater inlet ' Μ towards seawater positive permeation (26Kg / cm2) and reverse osmosis (depending on the membrane characteristics of the design) In order to enable the review board to further understand the structure and features of the present invention and its M351870 purpose, the detailed description of the drawings and preferred embodiments is as follows. [Embodiment] Please refer to FIG. 1 and FIG. 2 together, wherein FIG. 1 is a block diagram of the seawater desalination reverse osmosis membrane backwashing device of the present invention; FIG. 2 is a diagram showing the membrane inverse of the seawater desalination reverse osmosis membrane backwashing device of the present invention. Schematic diagram of the process of washing the water.

如圖所示,本案之海水淡化逆滲透膜逆洗裝置,其包括: 一主高壓泵10 ; —初級海淡水逆洗水槽2〇 ; 一初級海淡水儲 槽21 ; —初級海淡水沖洗泵22 ; —膜管30 ; —能源回收器 40 ;以及一升壓泵50 ;所組合而成者。 其中,該主南壓果1 〇其一端連接至一海水進水果A出 口,可對海水加壓後輸出,其可以變頻控制,其輸出壓力例如 但不限於為約40〜50Kg/m2。 該初級海淡水逆洗水槽20例如但不限於為玻璃纖維(FRp) 錯水槽,採用一溢流管出水裝置,再流至初級海淡水儲槽Μ, 造水時,該初級海淡水逆洗水槽可隨時儲存足夠逆滲透膜 所需之淡水。、 囉官W具有-進料海水入水口 31、一濃縮海水出水口 ’其中該進料海水人知_接至該 =壓泵1G ^出口處,該淡水出水σ 33 _至該淡水逆洗水 ^ Λ之處,该淡ί逆洗水槽20 0設一溢流管,造水時經 至J級海淡水儲槽21,保持該逆洗水有足‘ |接充滿淡水保護逆滲透膜清淨,藉由上述結 泵停機時,海淡系統海水側壓力逐漸降至彳 、°河監 時’會因海水本身正滲顏26Kg=%^f=m2殘壓 1〇〜0 Κ_2 ’使海水透過_膜吸取淡t ^功能。其中,該_G中進—步具有三個膜和 M351870 每個膜殼中進一步具有三個膜元件但不限於三個膜元件, 膜元件例如但不限於為SW30HRLE-400i。 、 母一 該能源回收器40例如但不限於為一壓力交換考, 一弟一入口 41、一第二入口 42、一第一出口 43、^一‘、二山 口 44,其中該第一入口 41耦接至低壓海水供水泵a出^ 排放官0.5Kg/m2流量彳9.62噸/小時,該膜管3〇之海 力 =73Kg/m2 ’該第二入口42搞接至該膜管^ 海水出水口 32壓力39.87Kg/m2流量19.73噸/小時 第二出口 44壓力39.78Kg/m2也耦接至該升壓泵5〇之入口^ Γΐΐ收水中之能源,2升塵泵5〇之出口執接至與主高 f果10 i 口壓力40.73Kg/m2,—起進入該膜管3〇之海水入 水口 31流量25嘲/小時,產水6.5嘴/小時。 水服在^參透f〇)過程中,係以主高壓泵10提供海 夠,壓歧海水的滲透壓而產水。#由上述結構可主 機時’能源回收器仍有能量回收功能泵送海水進入逆 =透Μ官,使海淡系統海水側壓力逐漸降至26〜1〇K m ,時f10-20分鐘,在這段時間’會因海水本身正滲透壓 26Kg/Cm ’造絲水與淡水間之壓力^Q〜16Kg/Gm2 淡水側淡水,造成膜表面沉積之污物因逆洗而 =渗^贿海水_渗透歸,因轉制表面清淨和造水 ίίϊ用除可降低主賴泵之電料,並可料海水淡化膜之更 μ時,可先啟動造水與啟動該主高壓幻〇,以提供海 ^ i表ΐ與ί水,例ί但不限於為約4〇.73Kg/m2;若欲實施 :以關掉該主高遷泵10,此時,進入該膜管30海水八 ί 4 ί海水之麼力將逐漸降低,但仍具有10〜26 Kg/m2殘 堡’此時,該膜管30利用海水與淡水間之壓力差,使海水本身 M351870 滲透壓26Kg/m2吸取淡水侧淡水,造成膜表面有逆洗污物之功 能’維持膜造水功能;並於約10-20分鐘後再重新啟動該主高 壓泵10,如此週而復始進行海水淡化逆滲透。因此,本創作之 海水淡化逆滲透膜逆洗裝置除可降低主高壓泵1〇之電費外,並 可節省海水淡化膜之前處理費用,確可改善習知海水淡、化設備 之缺點。 因此,藉由本新型之海水淡化逆滲透膜逆洗裝置,豆利用 10〜26 Kg/m2殘壓,及海水與淡水間之壓力差,使海水&身滲 -透壓26Kg/m吸取淡水侧淡水,造成膜表面有逆洗污物之功 能,維持膜造水功能,除可降低主高壓泵之電費外,並可節省 海水淡化膜之前處理費用等優點,以改善習知海水淡化設 缺點。 本案所揭示者,乃較佳實施例,舉凡局部之變更或修飾而 源於本案之技術思想而為熟習該項技藝之人所易於推知者 不脫本案之專利權範疇。 ” 綜上所陳,本案無論就目的、手段與功效,在在顯示其迥 …於習知之技術特徵,且其首先新型合於實用,亦在在符合 • 利要件,懇請*審查委員明察,並祈早曰賜予專利, 、俾嘉惠社會,實感德便。 【圖式簡單說明】 圖1今二示意圖,其繪示本案之海水淡化逆滲透膜逆洗裝 置之方塊不意圖。 圖2為一不意圖,其繪示本案之海水淡化逆滲透膜逆 置之膜逆洗產水過程之示意圖。 、 【主要元件符號說明】 主高Μ泵10 膜管30 海水出水口 32 初級海淡水逆洗水槽20 海水入水口 31 淡水入水口 33 M351870 能源回收器40 第二入口 42 第二出口 44 紫外線殺菌器60 初級海淡水逆洗水槽21 第一入口 41 第一出口 43 升壓泵50 低壓海水進水泵A 初級海淡水沖洗泵22As shown in the figure, the seawater desalination reverse osmosis membrane backwashing device of the present invention comprises: a main high pressure pump 10; - a primary sea fresh water backwashing tank 2; a primary sea fresh water storage tank 21; - a primary sea fresh water flushing pump 22 ; - membrane tube 30; - energy recovery unit 40; and a booster pump 50; Wherein, the main south pressure fruit 1 is connected to a seawater into the fruit A outlet, and can be output after being pressurized by seawater, and can be controlled by frequency conversion, and the output pressure thereof is, for example but not limited to, about 40 to 50 Kg/m2. The primary sea fresh water backwashing tank 20 is, for example but not limited to, a glass fiber (FRp) water tank, using an overflow pipe water outlet device, and then flowing to the primary sea fresh water storage tank. When the water is produced, the primary sea fresh water backwashing tank The fresh water required for the reverse osmosis membrane can be stored at any time.啰官W has - feed seawater inlet 31, a concentrated seawater outlet 'where the feed seawater is known _ connected to the = pressure pump 1G ^ outlet, the fresh water effluent σ 33 _ to the fresh water backwash water ^ In the squatting place, the light illuminating tank 20 is provided with an overflow pipe, and the water is passed to the J-class sea fresh water storage tank 21, and the backwash water is maintained at the foot of the water tank. When the above-mentioned knot pump is stopped, the seawater side pressure of the sea-light system gradually decreases to 彳, ° river monitoring time 'will be due to the seawater itself is oozing 26Kg=%^f=m2 residual pressure 1〇~0 Κ_2 'to make seawater through the membrane Draw a light t ^ function. Wherein, the _G step has three membranes and the M351870 further has three membrane elements in each membrane shell but is not limited to three membrane elements, such as but not limited to SW30HRLE-400i. The parent energy recovery device 40 is, for example but not limited to, a pressure exchange test, a younger one entrance 41, a second inlet 42, a first outlet 43, a first ', and two mountain passes 44, wherein the first inlet 41 Coupling to the low-pressure seawater water supply pump a output ^ discharge officer 0.5Kg / m2 flow rate 彳 9.62 tons / hour, the membrane tube 3 〇 sea power = 73Kg / m2 'the second inlet 42 is connected to the membrane tube ^ sea water out The nozzle 32 pressure 39.87Kg/m2 flow rate 19.73 tons / hour second outlet 44 pressure 39.78Kg / m2 is also coupled to the inlet of the booster pump 5 ^ Γΐΐ water energy, 2 liters of dust pump 5 〇 export To the main high f fruit 10 i mouth pressure 40.73Kg / m2, - into the membrane tube 3 〇 seawater inlet 31 flow 25 transcript / hour, water production 6.5 mouth / hour. In the process of water service, the main high-pressure pump 10 is provided with seawater, and the osmotic pressure of the seawater is pressure-produced to produce water. # By the above structure can be hosted when the 'energy recovery unit still has energy recovery function to pump seawater into the reverse = through the official, so that the seawater side pressure of the sea light system gradually decreased to 26~1〇K m, when f10-20 minutes, in During this time, 'the seawater itself is osmotic pressure 26Kg/Cm' pressure between the water and fresh water ^Q~16Kg/Gm2 fresh water side fresh water, causing the deposition of dirt on the surface of the membrane due to backwashing = seeping and bribing seawater_ Infiltration, because the surface is cleaned and water-removing ίίϊ can be used to reduce the power of the main pump, and can be used to make the seawater desalination membrane more μ, you can start the water and start the main high-pressure illusion to provide the sea ^ i ΐ and ί water, for example, but not limited to about 4〇.73Kg/m2; if it is to be implemented: to turn off the main high-migration pump 10, at this time, enter the membrane tube 30 seawater eight ί 4 ί The force will gradually decrease, but still has 10~26 Kg/m2. At this time, the membrane tube 30 uses the pressure difference between seawater and fresh water to make the seawater itself M351870 osmotic pressure 26Kg/m2 to absorb the fresh water side fresh water, resulting in membrane The surface has the function of backwashing to maintain the membrane water making function; and restart the main high pressure pump after about 10-20 minutes. 0, so repeated seawater desalination reverse osmosis. Therefore, the seawater desalination reverse osmosis membrane backwashing device of the present invention can reduce the electricity cost of the main high pressure pump, and can save the treatment cost of the seawater desalination membrane, and can indeed improve the shortcomings of the conventional seawater lightening and chemical equipment. Therefore, with the novel seawater desalination reverse osmosis membrane backwashing device, the bean utilizes a residual pressure of 10 to 26 Kg/m2 and a pressure difference between seawater and fresh water to make the seawater & body penetration-permeability 26 Kg/m absorb the fresh water side. Fresh water, the function of backwashing the surface of the membrane, maintaining the membrane water-generating function, in addition to reducing the electricity cost of the main high-pressure pump, and saving the cost of pre-sealing membrane treatment, etc., to improve the shortcomings of the conventional desalination. The disclosure of the present invention is a preferred embodiment, and any part of the modification or modification is derived from the technical idea of the present invention and is easily inferred by those skilled in the art without departing from the scope of the patent. In summary, the case, regardless of its purpose, means and efficacy, is showing its technical characteristics, and its first new type is practical, and it is also in compliance with the requirements. Pray for the patent, 俾 惠 社会 社会 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , It is not intended to illustrate the reverse-washing process of the seawater desalination reverse osmosis membrane in this case. [Main component symbol description] Main sorghum pump 10 Membrane tube 30 Seawater outlet 32 Primary sea fresh water backwashing tank 20 Sea water inlet 31 Fresh water inlet 33 M351870 Energy recovery unit 40 Second inlet 42 Second outlet 44 Ultraviolet sterilizer 60 Primary sea fresh water backwash tank 21 First inlet 41 First outlet 43 Booster pump 50 Low pressure seawater feed pump A Primary sea fresh water flushing pump 22

Claims (1)

M351870 九、申請專利範圍: 1·一種海水淡化逆滲透膜逆洗裝置,其包括: 後輸ϊί高縣’其一端連接至一海水進水口’可對海水加壓 一淡水逆洗水槽,可供儲存海水逆洗所需之淡水; 一膜管,具有一海水入水口、一海水出水口及一’ 口,其中該海水人水口_至該主高壓泵之出口處,該^ 水槽之出口處,可於其内部藉由淡水及 .海水間之壓差進订海水之逆洗,並將污物剝離; 一能源回收器,其具有一第一入口、一第二入口、一一 ^ 口及-第二出口’其中該第_人吨接至該海水進水口,該 y—出口耦接至該膜管之海水入水口,該第二入口耦接至該^ 官之海水出水口,該第二出口也耦接至該膜管之海水入水ζ 以供回收海水中之能源;以及 一升壓泵,其入口耦接至該能源回收器之第二出口,苴出 口耦接至該^管之海水入水口,可供執行海水之升壓。- 2.如,利範圍第1項所述之海水淡化逆滲透膜逆洗裝 置’其中β亥f管中逆滲透膜海水侧與淡水侧間之壓力差約 =〜26Kg/m,利用海水之逆滲透壓力約26Kg/m2吸取淡水侧 ,水’造賴表面有逆洗污物之·,逆洗㈣污物 出’維持膜造水功能。 π w ^如申請專利範圍第彳項所述之海水淡化逆滲透膜逆洗裝 置,其中該能源回收器可為一壓力交換器。 ^如,請專利範圍第彳項所述之海水淡化逆滲透膜逆洗裝 ίΐΪΪ初級海淡水逆洗水槽為PE塑膠儲水槽,裝有一溢 =官出水裝置’造树產水先流經她海淡水逆洗水槽,再流 初級海淡水儲槽儲存待用,該初級海淡水逆洗水槽可隨時儲 11 M351870 存足夠逆滲透膜逆洗所需之水。 12M351870 Nine, the scope of application for patents: 1. A seawater desalination reverse osmosis membrane backwashing device, which includes: After transporting ϊί Gao County 'one end connected to a seawater inlet' can pressurize seawater to a fresh water backwashing tank, available a fresh water required for backwashing seawater; a membrane tube having a seawater inlet, a seawater outlet and a mouth, wherein the seawater outlet _ is at the exit of the main high pressure pump, the outlet of the sink, The backwash of seawater can be ordered by the pressure difference between fresh water and seawater, and the dirt can be stripped; an energy recovery device having a first inlet, a second inlet, a mouth and a a second outlet, wherein the first ton is connected to the seawater inlet, the y-outlet is coupled to the seawater inlet of the membrane tube, and the second inlet is coupled to the seawater outlet of the official, the second The outlet is also coupled to the seawater inlet of the membrane tube for recovering energy in the seawater; and a booster pump having an inlet coupled to the second outlet of the energy recovery unit, the outlet being coupled to the seawater of the tube The water inlet is used to carry out the boost of seawater. - 2. For example, the seawater desalination reverse osmosis membrane backwashing device described in item 1 of the benefit range, wherein the pressure difference between the seawater side and the fresh water side of the reverse osmosis membrane in the βH tube is about ~26 Kg/m, using seawater The reverse osmosis pressure is about 26Kg/m2 to absorb the fresh water side, the water's surface is backwashed, and the backwashing (four) dirt is 'maintaining the membrane water making function. π w ^ The seawater desalination reverse osmosis membrane backwashing device according to the scope of the invention, wherein the energy recovery device can be a pressure exchanger. ^ For example, please refer to the seawater desalination reverse osmosis membrane as described in the third paragraph of the patent scope. The primary sea freshwater backwashing tank is a PE plastic water storage tank, equipped with an overflow = official water outlet device to make the water first flow through her sea fresh water. The tank is backwashed and re-flowed into the primary sea freshwater storage tank for storage. The primary sea freshwater backwashing tank can store 11 M351870 at any time to store enough water for reverse osmosis membrane backwashing. 12
TW97216985U 2008-09-19 2008-09-19 Reverse cleaning apparatus for seawater desalination reverse osmosis membrane TWM351870U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI786071B (en) * 2016-11-18 2022-12-11 日商奧璐佳瑙股份有限公司 Reverse osmosis membrane treatment system and reverse osmosis membrane treatment method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI786071B (en) * 2016-11-18 2022-12-11 日商奧璐佳瑙股份有限公司 Reverse osmosis membrane treatment system and reverse osmosis membrane treatment method

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