JPH0142726B2 - - Google Patents
Info
- Publication number
- JPH0142726B2 JPH0142726B2 JP55128900A JP12890080A JPH0142726B2 JP H0142726 B2 JPH0142726 B2 JP H0142726B2 JP 55128900 A JP55128900 A JP 55128900A JP 12890080 A JP12890080 A JP 12890080A JP H0142726 B2 JPH0142726 B2 JP H0142726B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- cleaning
- membrane
- scale
- stage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000004140 cleaning Methods 0.000 claims description 34
- 239000012528 membrane Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 16
- 239000007864 aqueous solution Substances 0.000 claims description 8
- LDDQLRUQCUTJBB-UHFFFAOYSA-N ammonium fluoride Chemical compound [NH4+].[F-] LDDQLRUQCUTJBB-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 239000004094 surface-active agent Substances 0.000 claims description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 4
- 230000001172 regenerating effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 42
- 150000003839 salts Chemical class 0.000 description 10
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Substances OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000008223 sterile water Substances 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 159000000007 calcium salts Chemical class 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 239000012498 ultrapure water Substances 0.000 description 2
- 241000387321 Aspidiotus nerii Species 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/16—Use of chemical agents
- B01D2321/162—Use of acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/16—Use of chemical agents
- B01D2321/164—Use of bases
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12890080A JPS5753204A (en) | 1980-09-16 | 1980-09-16 | Method for washing membrane module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12890080A JPS5753204A (en) | 1980-09-16 | 1980-09-16 | Method for washing membrane module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5753204A JPS5753204A (en) | 1982-03-30 |
| JPH0142726B2 true JPH0142726B2 (no) | 1989-09-14 |
Family
ID=14996126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12890080A Granted JPS5753204A (en) | 1980-09-16 | 1980-09-16 | Method for washing membrane module |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5753204A (no) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108187501A (zh) * | 2018-01-04 | 2018-06-22 | 京能十堰热电有限公司 | 一种反渗透膜系统有机物污染的清洗方法 |
| CN109019773A (zh) * | 2018-07-10 | 2018-12-18 | 上海洗霸科技股份有限公司 | 用于反渗透膜结硅垢的清洗工艺 |
| CN109499382B (zh) * | 2018-12-28 | 2021-04-13 | 四川万潮科技有限公司 | 一种反渗透膜用清洗组合物及其制备方法 |
| JP7107332B2 (ja) * | 2020-06-02 | 2022-07-27 | 栗田工業株式会社 | 分離膜の洗浄方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4939736A (no) * | 1972-08-29 | 1974-04-13 | ||
| JPS5044989A (no) * | 1973-08-24 | 1975-04-22 | ||
| JPS50146569A (no) * | 1974-05-16 | 1975-11-25 | ||
| JPS5328579A (en) * | 1976-08-30 | 1978-03-16 | Koei Chemical Co | Removing agents of scale |
| JPS5458686A (en) * | 1977-10-18 | 1979-05-11 | Sumitomo Electric Ind Ltd | Washing method for semipermeable membrane |
-
1980
- 1980-09-16 JP JP12890080A patent/JPS5753204A/ja active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4939736A (no) * | 1972-08-29 | 1974-04-13 | ||
| JPS5044989A (no) * | 1973-08-24 | 1975-04-22 | ||
| JPS50146569A (no) * | 1974-05-16 | 1975-11-25 | ||
| JPS5328579A (en) * | 1976-08-30 | 1978-03-16 | Koei Chemical Co | Removing agents of scale |
| JPS5458686A (en) * | 1977-10-18 | 1979-05-11 | Sumitomo Electric Ind Ltd | Washing method for semipermeable membrane |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5753204A (en) | 1982-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4384310B2 (ja) | 膜の洗浄方法 | |
| JPH1066972A (ja) | 水処理用分離膜の洗浄回生方法 | |
| JP2005087887A (ja) | 膜の洗浄方法 | |
| US5344565A (en) | Method of treating a clogged porous medium | |
| JPH0142726B2 (no) | ||
| Deqian | Cleaning and regeneration of membranes | |
| JP2008086945A (ja) | 選択的透過膜の性能回復方法 | |
| JPH01307407A (ja) | 膜モジュールの殺菌洗浄方法 | |
| JP6540154B2 (ja) | 逆浸透膜の洗浄方法 | |
| KR20170126359A (ko) | 분리막의 세정효율 평가방법 | |
| WO2007029291A1 (ja) | 分離膜洗浄用組成物 | |
| JP3024693B2 (ja) | 水処理用分離膜の洗浄方法 | |
| JPH0747371A (ja) | フッ化物含有水の処理方法 | |
| JP6606367B2 (ja) | 鉄／マンガン含有水の処理装置および処理方法 | |
| JP3944973B2 (ja) | 逆浸透膜処理方法 | |
| JP3826497B2 (ja) | 純水製造方法 | |
| JPH07232915A (ja) | 廃水中のフッ素回収方法 | |
| JP2007014829A (ja) | オンライン洗浄方法 | |
| JP2005224671A (ja) | 透過膜の洗浄方法 | |
| JP3525699B2 (ja) | 有機成分とマンガンを含む水の処理方法 | |
| JPS58156393A (ja) | 塩水精製方法 | |
| JP2004502027A5 (no) | ||
| CN110314555B (zh) | 一种显影液过滤器的清洗药剂及清洗方法 | |
| JPS5889920A (ja) | 限外濾過膜の能力回復方法 | |
| JPS58137487A (ja) | パルプ排液の処理方法 |