CN108579442B - 一种强化反渗透离线清洗测试方法 - Google Patents
一种强化反渗透离线清洗测试方法 Download PDFInfo
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- CN108579442B CN108579442B CN201810487343.3A CN201810487343A CN108579442B CN 108579442 B CN108579442 B CN 108579442B CN 201810487343 A CN201810487343 A CN 201810487343A CN 108579442 B CN108579442 B CN 108579442B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 231
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 43
- 238000010998 test method Methods 0.000 title claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 706
- 238000012360 testing method Methods 0.000 claims abstract description 99
- 239000012528 membrane Substances 0.000 claims abstract description 91
- 238000000034 method Methods 0.000 claims abstract description 29
- 239000006260 foam Substances 0.000 claims abstract description 24
- 238000005276 aerator Methods 0.000 claims abstract description 13
- 238000005406 washing Methods 0.000 claims description 74
- 238000004519 manufacturing process Methods 0.000 claims description 45
- 238000005070 sampling Methods 0.000 claims description 26
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 19
- 239000003513 alkali Substances 0.000 claims description 15
- 230000008859 change Effects 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 10
- 230000001954 sterilising effect Effects 0.000 claims description 8
- 238000004659 sterilization and disinfection Methods 0.000 claims description 8
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 7
- 230000002378 acidificating effect Effects 0.000 claims description 6
- 230000000844 anti-bacterial effect Effects 0.000 claims description 5
- 239000003899 bactericide agent Substances 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 3
- 238000005554 pickling Methods 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 17
- 238000011084 recovery Methods 0.000 abstract description 9
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 239000012459 cleaning agent Substances 0.000 abstract description 2
- 229960001484 edetic acid Drugs 0.000 description 14
- 230000008569 process Effects 0.000 description 10
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 238000010612 desalination reaction Methods 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- UUIVKBHZENILKB-UHFFFAOYSA-N 2,2-dibromo-2-cyanoacetamide Chemical compound NC(=O)C(Br)(Br)C#N UUIVKBHZENILKB-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- MGIYRDNGCNKGJU-UHFFFAOYSA-N isothiazolinone Chemical compound O=C1C=CSN1 MGIYRDNGCNKGJU-UHFFFAOYSA-N 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- 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
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
类别 | 情况 | Pf | △P | Cf | Y | T | Cp | Q | Pp | R |
进水压力 | 压降 | 进水TDS | 回收率 | 温度 | 产水TDS | 实际流量 | 产水压力 | 标准化流量恢复率 | ||
bar | bar | mg/L | ℃ | mg/L | m3/h | bar | ||||
标准化条件 | 初始 | 15.5 | 0.2 | 2000 | 0.15 | 25.0 | 37.2 | 1.79 | 0.2 | 100% |
实施例1 | 清洗前 | 11.0 | 0.8 | 2100 | 0.25 | 29.8 | 39.5 | 0.52 | 0.0 | 38.9% |
实施例1 | 清洗后 | 11.0 | 0.3 | 2100 | 0.26 | 29.9 | 32.0 | 1.30 | 0.0 | 94.4% |
实施例2 | 清洗前 | 11.0 | 0.3 | 2090 | 0.26 | 28.9 | 39.0 | 0.54 | 0.0 | 40.3% |
实施例2 | 清洗后 | 11.0 | 0.3 | 2090 | 0.26 | 29.8 | 36.0 | 1.05 | 0.0 | 76.4% |
实施例3 | 清洗前 | 11.0 | 0.3 | 2060 | 0.24 | 30.0 | 37.0 | 0.51 | 0.0 | 36.7% |
实施例3 | 清洗后 | 11.0 | 0.3 | 2060 | 0.25 | 29.9 | 38.0 | 1.18 | 0.0 | 85.3% |
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CN201810487343.3A CN108579442B (zh) | 2018-05-22 | 2018-05-22 | 一种强化反渗透离线清洗测试方法 |
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CN201810487343.3A CN108579442B (zh) | 2018-05-22 | 2018-05-22 | 一种强化反渗透离线清洗测试方法 |
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CN108579442A CN108579442A (zh) | 2018-09-28 |
CN108579442B true CN108579442B (zh) | 2020-03-27 |
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CN112827364A (zh) * | 2021-01-19 | 2021-05-25 | 大唐环境产业集团股份有限公司 | 一种mbr膜组件离线恢复性化学清洗方法 |
CN114939348A (zh) * | 2022-04-07 | 2022-08-26 | 北京城市排水集团有限责任公司 | 一种膜在线化学清洗实时监测***及方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202010520U (zh) * | 2011-03-16 | 2011-10-19 | 上海依科绿色工程有限公司 | 一种反渗透膜离线清洗装置 |
CN103331102A (zh) * | 2013-06-21 | 2013-10-02 | 山西太钢不锈钢股份有限公司 | 反渗透膜元件离线清洗和评估装置及其使用方法 |
CN105195023A (zh) * | 2015-09-07 | 2015-12-30 | 山东天庆科技发展有限公司 | 一种新型反渗透离线清洗及膜性能检测装置 |
CN206008495U (zh) * | 2016-08-18 | 2017-03-15 | 广州新能源水处理有限公司 | 一种反渗透膜清洗检测一体化设备 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3405911B2 (ja) * | 1997-12-25 | 2003-05-12 | 株式会社荏原製作所 | 流量および圧力変動による内圧型除濁用膜モジュールの逆洗方法 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202010520U (zh) * | 2011-03-16 | 2011-10-19 | 上海依科绿色工程有限公司 | 一种反渗透膜离线清洗装置 |
CN103331102A (zh) * | 2013-06-21 | 2013-10-02 | 山西太钢不锈钢股份有限公司 | 反渗透膜元件离线清洗和评估装置及其使用方法 |
CN105195023A (zh) * | 2015-09-07 | 2015-12-30 | 山东天庆科技发展有限公司 | 一种新型反渗透离线清洗及膜性能检测装置 |
CN206008495U (zh) * | 2016-08-18 | 2017-03-15 | 广州新能源水处理有限公司 | 一种反渗透膜清洗检测一体化设备 |
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Effective date of registration: 20191225 Address after: 266510 No.2, Tianbaoshan Road, Huangdao District, Qingdao, Shandong Province Applicant after: Qingdao Jinlong Hongye environmental protection Co. Ltd. Address before: No.1 802, Zhidao apartment, no.748, Weihe Road, Huangdao District, Qingdao, Shandong Province Applicant before: Wang Jinlong |
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Denomination of invention: An off-line cleaning test method for enhanced reverse osmosis Effective date of registration: 20200813 Granted publication date: 20200327 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO JINLONG HONGYE ENVIRONMENTAL PROTECTION Co.,Ltd. Registration number: Y2020990000951 |
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Date of cancellation: 20210521 Granted publication date: 20200327 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO JINLONG HONGYE ENVIRONMENTAL PROTECTION Co.,Ltd. Registration number: Y2020990000951 |
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Denomination of invention: A test method of enhanced reverse osmosis off line cleaning Effective date of registration: 20210524 Granted publication date: 20200327 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO JINLONG HONGYE ENVIRONMENTAL PROTECTION Co.,Ltd. Registration number: Y2021370010025 |
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Date of cancellation: 20220615 Granted publication date: 20200327 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO JINLONG HONGYE ENVIRONMENTAL PROTECTION Co.,Ltd. Registration number: Y2021370010025 |