KR20230164193A - 세정수 처리 방법 - Google Patents
세정수 처리 방법 Download PDFInfo
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- KR20230164193A KR20230164193A KR1020237039217A KR20237039217A KR20230164193A KR 20230164193 A KR20230164193 A KR 20230164193A KR 1020237039217 A KR1020237039217 A KR 1020237039217A KR 20237039217 A KR20237039217 A KR 20237039217A KR 20230164193 A KR20230164193 A KR 20230164193A
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- water
- washing water
- treated
- unit
- ozone
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 481
- 238000005406 washing Methods 0.000 title claims abstract description 265
- 238000000034 method Methods 0.000 title claims abstract description 47
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 147
- 238000003860 storage Methods 0.000 claims abstract description 104
- 238000001914 filtration Methods 0.000 claims abstract description 101
- 238000000746 purification Methods 0.000 claims abstract description 98
- 230000001954 sterilising effect Effects 0.000 claims abstract description 86
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 83
- 238000004140 cleaning Methods 0.000 claims abstract description 79
- 230000007246 mechanism Effects 0.000 claims abstract description 75
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000003456 ion exchange resin Substances 0.000 claims abstract description 47
- 229920003303 ion-exchange polymer Polymers 0.000 claims abstract description 47
- 230000008569 process Effects 0.000 claims description 26
- 230000006866 deterioration Effects 0.000 claims description 20
- 239000011347 resin Substances 0.000 claims description 13
- 229920005989 resin Polymers 0.000 claims description 13
- 238000010992 reflux Methods 0.000 claims description 8
- 238000005342 ion exchange Methods 0.000 claims description 7
- 230000001590 oxidative effect Effects 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 6
- 230000001580 bacterial effect Effects 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 239000013618 particulate matter Substances 0.000 claims 2
- 239000002846 particulate organic matter Substances 0.000 claims 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
- 241000894006 Bacteria Species 0.000 abstract description 91
- 239000011941 photocatalyst Substances 0.000 abstract description 31
- 239000000126 substance Substances 0.000 abstract description 22
- 230000009471 action Effects 0.000 abstract description 10
- 230000001678 irradiating effect Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 26
- 239000011521 glass Substances 0.000 description 24
- 239000005416 organic matter Substances 0.000 description 22
- 238000004519 manufacturing process Methods 0.000 description 20
- 238000007747 plating Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 18
- 239000004065 semiconductor Substances 0.000 description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 15
- 230000008029 eradication Effects 0.000 description 14
- 239000000758 substrate Substances 0.000 description 14
- 239000012528 membrane Substances 0.000 description 12
- 238000011084 recovery Methods 0.000 description 12
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 239000010936 titanium Substances 0.000 description 9
- 229910052719 titanium Inorganic materials 0.000 description 9
- 239000004973 liquid crystal related substance Substances 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- -1 for example Substances 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000007922 dissolution test Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000001471 micro-filtration Methods 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000012510 hollow fiber Substances 0.000 description 4
- 235000015097 nutrients Nutrition 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 239000003957 anion exchange resin Substances 0.000 description 3
- 239000003729 cation exchange resin Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
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- 238000010828 elution Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 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 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000005388 borosilicate glass Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000005368 silicate glass Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000003014 ion exchange membrane Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
Classifications
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
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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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/301—Detergents, surfactants
-
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/346—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from semiconductor processing, e.g. waste water from polishing of wafers
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
- C02F2201/3222—Units using UV-light emitting diodes [LED]
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
- C02F2201/3227—Units with two or more lamps
-
- 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
- C02F2201/78—Details relating to ozone treatment devices
- C02F2201/782—Ozone generators
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/78—Details relating to ozone treatment devices
- C02F2201/784—Diffusers or nozzles for ozonation
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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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/023—Reactive oxygen species, singlet oxygen, OH radical
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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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
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- Crystallography & Structural Chemistry (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Optics & Photonics (AREA)
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
Description
도 2는 도 1의 세정수 처리 장치의 제균 정화 유닛의 모식도이다.
도 3은 도 2의 제균 정화 유닛의 오존발생기의 구조를 나타내는 모식도이다.
도 4는 도 2의 제균 정화 유닛의 자외선 조사부 및 광촉매 작용부의 구조를 나타내는 모식도이다.
도 5는 복수의 세정수 수납부에 전환 기구를 통하여 제균 정화 유닛을 접속한 경우를 나타내는 모식도이다.
도 6은 도금 처리 공정의 복수의 세정수 수조 중 최종의 세정수 수조에 본 발명의 세정수 처리 장치를 적용한 경우를 나타내는 모식도이다.
도 7은 반도체 처리용체에 본 발명의 세정수 처리 장치를 적용한 경우를 나타내는 모식도이다.
도 8은 유리 기판 제조 장치에 본 발명의 세정수 처리 장치를 적용한 경우를 나타내는 모식도이다.
도 9는 고농도 오존에 의한 처리 장치의 열화 상태를 시험하는 개략 블록도이다.
도 10은 이온 교환 수지 장치의 TOC 용출 시험의 블록도이다.
도 11은 이온 교환 수지 장치의 TOC 용출 시험의 블록도이다.
도 12는 이온 교환 수지 장치의 TOC 용출 시험의 블록도이다.
도 13은 여과 필터의 TOC 용출 시험의 블록도이다.
11…세정수 처리 장치
12…세정수 수납부
13…제균 정화 유닛
14…여과 기구부
15…유입 유로
16…유출 유로
17…공급 유로
18…환류 유로
21…오존 공급부
22…자외선 조사부
23…광촉매 작용부
25…오존발생기
41…자외선·광촉매 유닛
51…여과 장치
52…이온 교환 수지
62…전환 기구
Claims (4)
- 공업용 피세정물의 세정 공정에서 사용되는 순수(純水)를 재이용하는 세정수 처리 장치로서, 피세정물을 세정하는 세정 처리부와, 이 세정 처리부에서 세정 처리에 사용한 피처리수를 일단 수납하는 세정수 수납부와, 적어도 오존 공급부를 가지고, 오존 공급의 기능을 작용시키면서 상기 세정수 수납부에 순환적으로 통수하는 상기 피처리수에 오존수를 혼합시키는 제균 정화 유닛과, 필터 및 이온 교환 수지를 포함하여 구성되고, 상기 세정 처리부에서 세정수로서 재이용하기 위해서, 상기 세정수 수납부 내에서 상기 오존수는 상기 피처리수와의 혼합에 의해 그 농도가 희석된 상태로 공급되면서 순차적으로 여과를 행하는 여과 기구부를 구비하고, 상기 오존 공급부의 정지와 재개를 적절히 선택함으로써 상기 세정수 수납부 내의 상기 피처리수가 희석된 오존수를 함유하고 또한 오존수 농도를 5.37mg/L 미만으로 조정하여, 상기 필터와 상기 이온 교환 수지의 쌍방에 통수시킴으로써, 이들 필터 및 이온 교환 수지의 세균 증식을 억제함과 아울러 그 산화 열화를 억제한 것을 특징으로 하는 세정수 처리 장치.
- 제1항에 있어서, 상기 여과 기구부로부터 환류 유로를 통하여 상기 세정 처리부로 환류시켜, 피처리수 중으로부터 고형 미립물, 유기물 혹은 염류 성분이 제거되어 세정수로서 재이용하는 것을 특징으로 하는 세정수 처리 장치.
- 공업용 피세정물의 세정 공정에서 사용되는 순수를 재이용하는 세정수 처리 방법으로서, 피세정물을 세정하는 세정 처리부와, 이 세정 처리부에서 처리된 피처리수를 유입시키는 세정수 수납부와 이 세정수 수납부로부터 피처리수가 보내지는 여과 기구부를 접속함과 아울러, 상기 세정수 수납부에는 오존 공급부를 가지는 제균 정화 유닛이 접속되고, 또한 상기 여과 기구부는 필터 및 이온 교환 수지를 포함하고, 상기 오존 공급부의 정지와 재개를 적절히 선택하여 전환하면서 상기 세정수 수납부에 피처리수를 순환시키고, 오존 공급부에 의해 피처리수와 오존이 혼합되는 단계와, 자외선 조사부와 광촉매 작용부에 의해 ·OH(히드록시 래디컬 또는 OH 래디컬)을 생성하는 단계와, 제균 정화 처리가 종료된 피처리수가 세정수 수납부에 반송되는 단계와, 세정수 수납부에 수납되어 있는 피처리수와 혼합하여 세정수 수납부에 수납되는 피처리수 전체로서의 오존 농도가 희석되는 단계와, 공급 유로를 통하여 희석된 오존수를 함유한 피처리수가 여과 기구부로 보내지는 단계와, 여과 기구부로부터의 여과 후의 피처리수를 세정수로서 환류시키는 단계에 의해, 상기 오존 공급부의 정지와 재개를 적절히 선택함으로써 상기 세정수 수납부 내의 상기 피처리수가 희석된 오존수를 함유하고 또한 오존수 농도를 5.37mg/L 미만으로 조정하여, 상기 필터 및 상기 이온 교환 수지에 통수시킴으로써, 이들 필터 및 이온 교환 수지의 세균 증식을 억제함과 아울러 그 산화 열화를 억제한 것을 특징으로 하는 세정수 처리 방법.
- 제3항에 있어서, 상기 여과 기구부로부터 환류 유로를 통하여 상기 세정 처리부로 환류시켜, 피처리수 중으로부터 고형 미립물, 유기물 혹은 염류 성분이 제거되어 세정수로서 재이용하는 것을 특징으로 하는 세정수 처리 방법.
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