TWI304356B - - Google Patents
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- Publication number
- TWI304356B TWI304356B TW94140810A TW94140810A TWI304356B TW I304356 B TWI304356 B TW I304356B TW 94140810 A TW94140810 A TW 94140810A TW 94140810 A TW94140810 A TW 94140810A TW I304356 B TWI304356 B TW I304356B
- Authority
- TW
- Taiwan
- Prior art keywords
- water
- reverse osmosis
- stage reverse
- water treatment
- processor
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 212
- 238000001223 reverse osmosis Methods 0.000 claims description 92
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 86
- 238000011282 treatment Methods 0.000 claims description 76
- 239000001569 carbon dioxide Substances 0.000 claims description 21
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 21
- 239000002351 wastewater Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 19
- 150000001450 anions Chemical class 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 9
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- 239000003957 anion exchange resin Substances 0.000 claims description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical group [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 4
- 229910001424 calcium ion Inorganic materials 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical group OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000001172 regenerating effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000005349 anion exchange Methods 0.000 claims description 2
- 238000005342 ion exchange Methods 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229910052754 neon Inorganic materials 0.000 claims 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims 1
- 238000002203 pretreatment Methods 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 description 12
- 239000003513 alkali Substances 0.000 description 9
- 150000002500 ions Chemical class 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 238000007872 degassing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 238000010979 pH adjustment Methods 0.000 description 3
- 238000009849 vacuum degassing Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 238000002242 deionisation method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- AXTYOFUMVKNMLR-UHFFFAOYSA-N dioxobismuth Chemical compound O=[Bi]=O AXTYOFUMVKNMLR-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 238000001139 pH measurement Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW094140810A TW200719946A (en) | 2005-11-21 | 2005-11-21 | Two-staged reverse osmosis (RO) water treatment system and method applied thereby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW094140810A TW200719946A (en) | 2005-11-21 | 2005-11-21 | Two-staged reverse osmosis (RO) water treatment system and method applied thereby |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200719946A TW200719946A (en) | 2007-06-01 |
| TWI304356B true TWI304356B (enrdf_load_stackoverflow) | 2008-12-21 |
Family
ID=45070925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW094140810A TW200719946A (en) | 2005-11-21 | 2005-11-21 | Two-staged reverse osmosis (RO) water treatment system and method applied thereby |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TW200719946A (enrdf_load_stackoverflow) |
-
2005
- 2005-11-21 TW TW094140810A patent/TW200719946A/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| TW200719946A (en) | 2007-06-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |