KR100390007B1 - 미네랄이 보존되는 나노여과 정수방법 - Google Patents
미네랄이 보존되는 나노여과 정수방법 Download PDFInfo
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- KR100390007B1 KR100390007B1 KR10-2002-0006490A KR20020006490A KR100390007B1 KR 100390007 B1 KR100390007 B1 KR 100390007B1 KR 20020006490 A KR20020006490 A KR 20020006490A KR 100390007 B1 KR100390007 B1 KR 100390007B1
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- Prior art keywords
- water
- nanofiltration
- membrane
- filtration
- water purification
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000000746 purification Methods 0.000 title claims abstract description 23
- 238000001914 filtration Methods 0.000 title claims abstract description 16
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 16
- 239000011707 mineral Substances 0.000 title claims abstract description 16
- 238000004321 preservation Methods 0.000 title 1
- 239000012528 membrane Substances 0.000 claims abstract description 53
- 238000001728 nano-filtration Methods 0.000 claims abstract description 49
- 238000000926 separation method Methods 0.000 claims abstract description 20
- 239000011148 porous material Substances 0.000 claims abstract description 18
- 244000005700 microbiome Species 0.000 claims abstract description 17
- 241000700605 Viruses Species 0.000 claims abstract description 9
- 238000004659 sterilization and disinfection Methods 0.000 claims description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 239000008213 purified water Substances 0.000 claims description 10
- 238000009287 sand filtration Methods 0.000 claims description 7
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 4
- 229910001385 heavy metal Inorganic materials 0.000 claims description 4
- 238000005342 ion exchange Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000011343 solid material Substances 0.000 claims description 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 239000003651 drinking water Substances 0.000 abstract description 18
- 235000020188 drinking water Nutrition 0.000 abstract description 18
- 235000019640 taste Nutrition 0.000 abstract description 18
- 238000001471 micro-filtration Methods 0.000 abstract description 16
- 238000000108 ultra-filtration Methods 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 17
- 239000011575 calcium Substances 0.000 description 17
- 229910052791 calcium Inorganic materials 0.000 description 17
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 14
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 9
- 239000011777 magnesium Substances 0.000 description 9
- 229910052749 magnesium Inorganic materials 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 7
- 239000011591 potassium Substances 0.000 description 7
- 229910052700 potassium Inorganic materials 0.000 description 7
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 238000011109 contamination Methods 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 230000001351 cycling effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000036039 immunity Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 239000008234 soft water Substances 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 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
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 235000019658 bitter taste Nutrition 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 231100001240 inorganic pollutant Toxicity 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000000282 nail Anatomy 0.000 description 1
- 210000000944 nerve tissue Anatomy 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000019643 salty taste Nutrition 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 210000000515 tooth Anatomy 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/58—Multistep processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/027—Nanofiltration
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/42—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
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
물질 | 유입원수 | 순환율(R=0) | 순환율(R=0.3) | 순환율(R=0.5) | 순환율(R=1.0) |
칼슘 | 26.0 | 16.0 | 18.0 | 22.0 | 25.8 |
칼륨 | 2.3 | 1.9 | 2.0 | 2.3 | 2.3 |
규산염 | 31.0 | 28.0 | 28.0 | 30.0 | 31.0 |
마그네슘 | 5.3 | 3.0 | 3.1 | 3.3 | 5.0 |
황산염 | 7.9 | 0.9 | 0.9 | 1.0 | 1.4 |
경도 | 87.1 | 52.5 | 57.9 | 68.8 | 85.3 |
O index | 4.5 | 11.8 | 12.0 | 12.6 | 9.5 |
물질 | 유입원수 | 나노여과수 | 나노여과수+이온교환수 |
칼슘 | 26.0 | 16.0 | 19.0 |
칼륨 | 2.3 | 1.9 | 2.1 |
규산염 | 31.0 | 28.0 | 30.0 |
마그네슘 | 5.3 | 3.0 | 3.3 |
황산염 | 7.9 | 0.9 | 0.0 |
경도 | 87.1 | 52.5 | 61.3 |
O index | 4.5 | 11.8 | 15.5 |
Claims (4)
- 공극 크기(pore size) 0.1 - 5 ㎛의 여과막으로 일부 고형물질과 원형생물을 포함한 미생물을 분리하는 단계,공극 크기(pore size) 0.01 - 0.5 ㎛의 여과막으로 바이러스를 제외한 모든 미생물을 분리하는 단계,공극 크기(pore size) 0.1 - 5 ㎚의 나노여과막으로 바이러스를 분리하고 경도를 0-200㎎/ℓ으로 조절하는 단계 및나노여과막에서 배출되는 배출수의 일부를 나노여과막으로 순환시켜 원수의 미네랄이 보존되고, 정수의 경도를 10-100㎎/ℓ으로 O index를 원수보다 상승조절하는 단계를 포함하는 미네랄이 보존되는 나노여과 정수방법.
- 제1항에 있어서, 나노여과막으로 순환되는 순환수에 포함된 황산염이 제거되도록 이온교환하는 단계를 더 포함함을 특징으로 하는 미네랄이 보존되는 나노여과 정수방법.
- 제1항에 있어서, 각 여과막 분리공정의 직전 단계에, 자외선 소독단계, 오존 소독단계 중의 하나 또는 모두가 추가됨을 특징으로 하는 미네랄이 보존되는 나노여과 정수방법.
- 제1항에 있어서, 공극 크기(pore size) 0.1 - 5 ㎛의 여과막 분리공정의 직전 단계에, 모래여과로 입자가 큰 고형물질을 제거하는 단계, 활성탄 여과로 중금속과 유기물을 흡착하는 단계 중의 하나 또는 모두가 추가됨을 특징으로 하는 미네랄이 보존되는 나노여과 정수방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0006490A KR100390007B1 (ko) | 2002-02-05 | 2002-02-05 | 미네랄이 보존되는 나노여과 정수방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-2002-0006490A KR100390007B1 (ko) | 2002-02-05 | 2002-02-05 | 미네랄이 보존되는 나노여과 정수방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020067966A KR20020067966A (ko) | 2002-08-24 |
KR100390007B1 true KR100390007B1 (ko) | 2003-07-04 |
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KR10-2002-0006490A KR100390007B1 (ko) | 2002-02-05 | 2002-02-05 | 미네랄이 보존되는 나노여과 정수방법 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20150143062A (ko) * | 2014-06-13 | 2015-12-23 | 한국해양과학기술원 | 해수 중 음이온 제거 및 탄산이온 전환을 이용한 미네랄 농축수 제조방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06339A (ja) * | 1992-06-18 | 1994-01-11 | Tokuyama Soda Co Ltd | 生活用水の製造方法 |
JPH10118635A (ja) * | 1996-10-21 | 1998-05-12 | Ebara Corp | 浄水装置 |
JPH1199386A (ja) * | 1997-09-26 | 1999-04-13 | Kitakyushu City | おいしい水の製造装置 |
KR20030027460A (ko) * | 2001-09-28 | 2003-04-07 | 주식회사 엔비자인 | 식수의 정수방법 |
KR101248740B1 (ko) * | 2006-02-28 | 2013-03-28 | 호야 가부시키가이샤 | 포토마스크 블랭크 및 포토마스크와 그들의 제조 방법 |
-
2002
- 2002-02-05 KR KR10-2002-0006490A patent/KR100390007B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06339A (ja) * | 1992-06-18 | 1994-01-11 | Tokuyama Soda Co Ltd | 生活用水の製造方法 |
JPH10118635A (ja) * | 1996-10-21 | 1998-05-12 | Ebara Corp | 浄水装置 |
JPH1199386A (ja) * | 1997-09-26 | 1999-04-13 | Kitakyushu City | おいしい水の製造装置 |
KR20030027460A (ko) * | 2001-09-28 | 2003-04-07 | 주식회사 엔비자인 | 식수의 정수방법 |
KR101248740B1 (ko) * | 2006-02-28 | 2013-03-28 | 호야 가부시키가이샤 | 포토마스크 블랭크 및 포토마스크와 그들의 제조 방법 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20150143062A (ko) * | 2014-06-13 | 2015-12-23 | 한국해양과학기술원 | 해수 중 음이온 제거 및 탄산이온 전환을 이용한 미네랄 농축수 제조방법 |
KR101689059B1 (ko) * | 2014-06-13 | 2016-12-22 | 한국해양과학기술원 | 해수 중 음이온 제거 및 탄산이온 전환을 이용한 미네랄 농축수 제조방법 |
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