JPH0512040B2 - - Google Patents
Info
- Publication number
- JPH0512040B2 JPH0512040B2 JP4664389A JP4664389A JPH0512040B2 JP H0512040 B2 JPH0512040 B2 JP H0512040B2 JP 4664389 A JP4664389 A JP 4664389A JP 4664389 A JP4664389 A JP 4664389A JP H0512040 B2 JPH0512040 B2 JP H0512040B2
- Authority
- JP
- Japan
- Prior art keywords
- silica
- water
- treatment
- reverse osmosis
- desilica
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 239000000377 silicon dioxide Substances 0.000 claims description 26
- 238000011282 treatment Methods 0.000 claims description 26
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 239000012528 membrane Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 18
- 238000001223 reverse osmosis Methods 0.000 claims description 17
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 8
- 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 description 7
- 239000002253 acid Substances 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 6
- 239000003729 cation exchange resin Substances 0.000 claims description 5
- 230000003213 activating effect Effects 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 description 9
- 230000004913 activation Effects 0.000 description 8
- 239000008234 soft water Substances 0.000 description 8
- 238000005342 ion exchange Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 4
- 238000006386 neutralization reaction Methods 0.000 description 4
- 238000005189 flocculation Methods 0.000 description 3
- 230000016615 flocculation Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 239000012498 ultrapure water Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005262 decarbonization Methods 0.000 description 1
- 238000006114 decarboxylation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000007131 hydrochloric acid regeneration reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 150000004760 silicates Chemical class 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
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Removal Of Specific Substances (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4664389A JPH02227185A (ja) | 1989-03-01 | 1989-03-01 | 溶存シリカの除去法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4664389A JPH02227185A (ja) | 1989-03-01 | 1989-03-01 | 溶存シリカの除去法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02227185A JPH02227185A (ja) | 1990-09-10 |
| JPH0512040B2 true JPH0512040B2 (ru) | 1993-02-17 |
Family
ID=12752991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4664389A Granted JPH02227185A (ja) | 1989-03-01 | 1989-03-01 | 溶存シリカの除去法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02227185A (ru) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8758720B2 (en) | 1996-08-12 | 2014-06-24 | Debasish Mukhopadhyay | High purity water produced by reverse osmosis |
| US9073763B2 (en) | 1996-08-12 | 2015-07-07 | Debasish Mukhopadhyay | Method for high efficiency reverse osmosis operation |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6537456B2 (en) | 1996-08-12 | 2003-03-25 | Debasish Mukhopadhyay | Method and apparatus for high efficiency reverse osmosis operation |
| TW404847B (en) * | 1996-08-12 | 2000-09-11 | Debasish Mukhopadhyay | Method and apparatus for high efficiency reverse osmosis operation |
| US5925255A (en) * | 1997-03-01 | 1999-07-20 | Mukhopadhyay; Debasish | Method and apparatus for high efficiency reverse osmosis operation |
| DE19806796A1 (de) * | 1998-02-19 | 1999-09-09 | Membraflow Gmbh & Co Kg Filter | Verfahren und Vorrichtung zur Behandlung und/oder Vorbehandlung von mittels einer Membranfiltereinrichtung zu behandelnden Flüssigkeiten |
| US6398965B1 (en) | 1998-03-31 | 2002-06-04 | United States Filter Corporation | Water treatment system and process |
| US6325983B1 (en) | 2000-04-19 | 2001-12-04 | Seh America, Inc. | Nox scrubbing system and method |
| US6306197B1 (en) | 2000-04-19 | 2001-10-23 | Seh America, Inc. | Isopropyl alcohol scrubbing system |
| KR100839350B1 (ko) * | 2006-08-24 | 2008-06-19 | 삼성전자주식회사 | 폐수 재활용 방법 및 이를 수행하기 위한 장치 |
| JP5359898B2 (ja) * | 2010-01-22 | 2013-12-04 | 三浦工業株式会社 | 水処理方法及び水処理システム |
| JP5998796B2 (ja) * | 2012-09-25 | 2016-09-28 | 三浦工業株式会社 | シリカ除去システム及びそれを備える水処理システム |
| JP2015223538A (ja) * | 2014-05-26 | 2015-12-14 | 三菱重工業株式会社 | 水処理装置及び水処理方法 |
| JP2015223539A (ja) * | 2014-05-26 | 2015-12-14 | 三菱重工業株式会社 | 水処理装置及び水処理方法 |
| JP7237714B2 (ja) * | 2019-05-07 | 2023-03-13 | 株式会社東芝 | 水処理装置 |
-
1989
- 1989-03-01 JP JP4664389A patent/JPH02227185A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8758720B2 (en) | 1996-08-12 | 2014-06-24 | Debasish Mukhopadhyay | High purity water produced by reverse osmosis |
| US9073763B2 (en) | 1996-08-12 | 2015-07-07 | Debasish Mukhopadhyay | Method for high efficiency reverse osmosis operation |
| US9428412B2 (en) | 1996-08-12 | 2016-08-30 | Debasish Mukhopadhyay | Method for high efficiency reverse osmosis operation |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02227185A (ja) | 1990-09-10 |
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