KR101181328B1 - 수처리 기기용 살균세정장치 - Google Patents
수처리 기기용 살균세정장치 Download PDFInfo
- Publication number
- KR101181328B1 KR101181328B1 KR1020110083102A KR20110083102A KR101181328B1 KR 101181328 B1 KR101181328 B1 KR 101181328B1 KR 1020110083102 A KR1020110083102 A KR 1020110083102A KR 20110083102 A KR20110083102 A KR 20110083102A KR 101181328 B1 KR101181328 B1 KR 101181328B1
- Authority
- KR
- South Korea
- Prior art keywords
- water
- electrode
- sterilizing
- flow path
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- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 783
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 446
- 238000005406 washing Methods 0.000 claims abstract description 84
- 238000004659 sterilization and disinfection Methods 0.000 claims description 226
- 238000004140 cleaning Methods 0.000 claims description 154
- 238000003860 storage Methods 0.000 claims description 89
- 238000000034 method Methods 0.000 claims description 84
- 239000012528 membrane Substances 0.000 claims description 65
- 238000001223 reverse osmosis Methods 0.000 claims description 42
- 239000008213 purified water Substances 0.000 claims description 39
- 239000000463 material Substances 0.000 claims description 35
- 239000011538 cleaning material Substances 0.000 claims description 28
- 238000004891 communication Methods 0.000 claims description 5
- 238000005868 electrolysis reaction Methods 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 5
- 239000008400 supply water Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 239000003792 electrolyte Substances 0.000 description 50
- 230000008569 process Effects 0.000 description 34
- 239000008237 rinsing water Substances 0.000 description 30
- 239000012510 hollow fiber Substances 0.000 description 18
- 238000003809 water extraction Methods 0.000 description 18
- 239000000571 coke Substances 0.000 description 16
- 150000003839 salts Chemical class 0.000 description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 15
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 13
- 229910052707 ruthenium Inorganic materials 0.000 description 13
- 239000007787 solid Substances 0.000 description 12
- 229910052799 carbon Inorganic materials 0.000 description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 239000013049 sediment Substances 0.000 description 10
- 239000003206 sterilizing agent Substances 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 239000000460 chlorine Substances 0.000 description 8
- 239000003814 drug Substances 0.000 description 8
- 229940079593 drug Drugs 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 244000005700 microbiome Species 0.000 description 7
- 238000007599 discharging Methods 0.000 description 6
- 239000011148 porous material Substances 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 235000019645 odor Nutrition 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 3
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 3
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 231100000357 carcinogen Toxicity 0.000 description 2
- 239000003183 carcinogenic agent Substances 0.000 description 2
- -1 chloride) is added Chemical class 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000035622 drinking Effects 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 238000006479 redox reaction Methods 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
- 239000007784 solid electrolyte Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000008223 sterile water Substances 0.000 description 2
- 239000000271 synthetic detergent Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 235000019640 taste Nutrition 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910019093 NaOCl Inorganic materials 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Images
Classifications
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
-
- 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
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
-
- 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
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
- C02F1/4674—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation with halogen or compound of halogens, e.g. chlorine, bromine
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
- C02F2001/46138—Electrodes comprising a substrate and a coating
- C02F2001/46142—Catalytic coating
-
- 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
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/4612—Controlling or monitoring
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110053494 | 2011-06-02 | ||
| KR20110053494 | 2011-06-02 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020110118632A Division KR101181329B1 (ko) | 2011-06-02 | 2011-11-15 | 수처리 기기의 살균세정방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR101181328B1 true KR101181328B1 (ko) | 2012-09-11 |
Family
ID=47113380
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020110083102A KR101181328B1 (ko) | 2011-06-02 | 2011-08-19 | 수처리 기기용 살균세정장치 |
| KR1020110118632A KR101181329B1 (ko) | 2011-06-02 | 2011-11-15 | 수처리 기기의 살균세정방법 |
| KR1020120078568A KR101734194B1 (ko) | 2011-06-02 | 2012-07-19 | 수처리 기기의 살균세정방법 |
| KR1020120078569A KR101308123B1 (ko) | 2011-06-02 | 2012-07-19 | 수처리 기기의 살균세정방법 |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020110118632A KR101181329B1 (ko) | 2011-06-02 | 2011-11-15 | 수처리 기기의 살균세정방법 |
| KR1020120078568A KR101734194B1 (ko) | 2011-06-02 | 2012-07-19 | 수처리 기기의 살균세정방법 |
| KR1020120078569A KR101308123B1 (ko) | 2011-06-02 | 2012-07-19 | 수처리 기기의 살균세정방법 |
Country Status (4)
| Country | Link |
|---|---|
| KR (4) | KR101181328B1 (zh) |
| CN (1) | CN103562141B (zh) |
| MY (1) | MY175377A (zh) |
| WO (1) | WO2012165694A1 (zh) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160097910A (ko) * | 2015-02-10 | 2016-08-18 | 엘지전자 주식회사 | 물공급장치 살균 방법 |
| KR101772527B1 (ko) * | 2015-02-10 | 2017-08-29 | 엘지전자 주식회사 | 살균 시스템 |
| KR20230036676A (ko) | 2021-09-08 | 2023-03-15 | 한남대학교 산학협력단 | 배관 세척용 살균세정장치 및 이를 이용한 배관의 세척방법 |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101987792B1 (ko) * | 2012-11-22 | 2019-06-12 | 웅진코웨이 주식회사 | 수처리장치의 살균방법 |
| KR102170139B1 (ko) * | 2013-04-12 | 2020-10-26 | 쿠쿠홈시스 주식회사 | 제빙기 및 제빙방법 |
| KR102211119B1 (ko) * | 2013-12-23 | 2021-02-04 | 코웨이 주식회사 | Cdi 방식의 수처리 장치 |
| KR101897567B1 (ko) * | 2013-12-23 | 2018-09-13 | 코웨이 주식회사 | Cdi 방식의 수처리 장치 |
| CN104843904A (zh) * | 2015-05-22 | 2015-08-19 | 佛山市顺德区美的饮水机制造有限公司 | 净水设备、过滤系统及其水过滤方法 |
| CN106565039B (zh) * | 2015-10-08 | 2021-02-12 | 福库好希士株式会社 | 水处理系统、水处理系统的杀菌方法以及杀菌杯 |
| KR102565811B1 (ko) * | 2016-05-04 | 2023-08-11 | 코웨이 주식회사 | 수처리기의 살균 방법 |
| KR102442479B1 (ko) * | 2017-06-30 | 2022-09-13 | 쿠쿠홈시스 주식회사 | 수처리장치와 수처리장치의 살균방법 |
| CN110963604A (zh) * | 2019-12-05 | 2020-04-07 | 王�华 | 一种便于移动的医疗废水处理装置 |
| CN111470678A (zh) * | 2020-05-27 | 2020-07-31 | 宁波蓝野医疗器械有限公司 | 前端进水消毒系统 |
| FR3141457A1 (fr) * | 2022-10-31 | 2024-05-03 | Pool Technologie | dispositif de production d’hypochlorite de sodium |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2121460U (zh) * | 1991-08-02 | 1992-11-11 | 韩洪军 | 小型次氯酸钠发生器 |
| CN2130093Y (zh) * | 1992-07-07 | 1993-04-21 | 韩洪军 | 小型家用消毒器 |
| US5944978A (en) * | 1997-08-21 | 1999-08-31 | Omco Co., Ltd. | Cleaning method of an electrolyzed water forming apparatus and an electrolyzed water forming apparatus having mechanism for conducting the method |
| KR100531667B1 (ko) * | 2005-05-31 | 2005-11-29 | 이근섭 | 저수조를 자동으로 살균할 수있는 정수기 및 그 정수기의살균방법 |
| KR20090047585A (ko) * | 2007-11-08 | 2009-05-13 | 주식회사 웰테크놀러지 | 저수조 및 수 라인을 자동으로 소독하는 정수기 및 그정수기의 소독방법 |
| KR20100062596A (ko) * | 2008-12-02 | 2010-06-10 | 웅진코웨이주식회사 | 순환 전해살균가능한 정수기 |
| KR20100131241A (ko) * | 2009-06-05 | 2010-12-15 | 웅진코웨이주식회사 | 수처리 기기용 세척장치 |
| KR101906339B1 (ko) * | 2009-06-29 | 2018-10-11 | 코웨이 주식회사 | 전해살균장치를 구비한 수처리 장치 |
-
2011
- 2011-06-30 WO PCT/KR2011/004812 patent/WO2012165694A1/en active Application Filing
- 2011-06-30 MY MYPI2013004192A patent/MY175377A/en unknown
- 2011-06-30 CN CN201180071319.8A patent/CN103562141B/zh active Active
- 2011-08-19 KR KR1020110083102A patent/KR101181328B1/ko active IP Right Grant
- 2011-11-15 KR KR1020110118632A patent/KR101181329B1/ko active IP Right Grant
-
2012
- 2012-07-19 KR KR1020120078568A patent/KR101734194B1/ko active IP Right Grant
- 2012-07-19 KR KR1020120078569A patent/KR101308123B1/ko active IP Right Grant
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160097910A (ko) * | 2015-02-10 | 2016-08-18 | 엘지전자 주식회사 | 물공급장치 살균 방법 |
| KR101717109B1 (ko) * | 2015-02-10 | 2017-03-16 | 엘지전자 주식회사 | 물공급장치 살균 방법 |
| US9656896B2 (en) | 2015-02-10 | 2017-05-23 | Lg Electronics Inc. | Method for sterilizing water supply apparatus |
| KR101772527B1 (ko) * | 2015-02-10 | 2017-08-29 | 엘지전자 주식회사 | 살균 시스템 |
| US10167208B2 (en) | 2015-02-10 | 2019-01-01 | Lg Electronics Inc. | Sterilization system |
| KR20230036676A (ko) | 2021-09-08 | 2023-03-15 | 한남대학교 산학협력단 | 배관 세척용 살균세정장치 및 이를 이용한 배관의 세척방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| MY175377A (en) | 2020-06-23 |
| CN103562141B (zh) | 2015-12-09 |
| KR101181329B1 (ko) | 2012-09-13 |
| CN103562141A (zh) | 2014-02-05 |
| KR101308123B1 (ko) | 2013-09-26 |
| WO2012165694A1 (en) | 2012-12-06 |
| KR101734194B1 (ko) | 2017-05-24 |
| KR20120135141A (ko) | 2012-12-12 |
| KR20120135140A (ko) | 2012-12-12 |
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