JPS58223481A - 水道水のｐＨ調整方法 - Google Patents
水道水のｐＨ調整方法Info
- Publication number
- JPS58223481A JPS58223481A JP10656482A JP10656482A JPS58223481A JP S58223481 A JPS58223481 A JP S58223481A JP 10656482 A JP10656482 A JP 10656482A JP 10656482 A JP10656482 A JP 10656482A JP S58223481 A JPS58223481 A JP S58223481A
- Authority
- JP
- Japan
- Prior art keywords
- slaked lime
- water
- dissolution tank
- tank
- dissolved
- 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.)
- Granted
Links
- 239000008399 tap water Substances 0.000 title claims abstract description 12
- 235000020679 tap water Nutrition 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims description 10
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 36
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 35
- 235000011116 calcium hydroxide Nutrition 0.000 claims abstract description 35
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 35
- 238000004090 dissolution Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000007864 aqueous solution Substances 0.000 claims description 13
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 239000002002 slurry Substances 0.000 abstract description 5
- 238000003756 stirring Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 239000000843 powder Substances 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229940043430 calcium compound Drugs 0.000 description 1
- 150000001674 calcium compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004572 hydraulic lime Substances 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F15/00—Other methods of preventing corrosion or incrustation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10656482A JPS58223481A (ja) | 1982-06-21 | 1982-06-21 | 水道水のｐＨ調整方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10656482A JPS58223481A (ja) | 1982-06-21 | 1982-06-21 | 水道水のｐＨ調整方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58223481A true JPS58223481A (ja) | 1983-12-26 |
| JPS6223634B2 JPS6223634B2 (enrdf_load_stackoverflow) | 1987-05-25 |
Family
ID=14436783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10656482A Granted JPS58223481A (ja) | 1982-06-21 | 1982-06-21 | 水道水のｐＨ調整方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58223481A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6434490A (en) * | 1987-07-28 | 1989-02-03 | Yoshinori Yasuda | Mineral liquid and manufacture thereof |
| EP0536908B1 (en) * | 1991-10-09 | 1996-02-14 | Kureha Kagaku Kogyo Kabushiki Kaisha | Method of improving city water and an apparatus therefor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01168231U (enrdf_load_stackoverflow) * | 1988-05-20 | 1989-11-27 | ||
| JPH01168230U (enrdf_load_stackoverflow) * | 1988-05-20 | 1989-11-27 |
-
1982
- 1982-06-21 JP JP10656482A patent/JPS58223481A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6434490A (en) * | 1987-07-28 | 1989-02-03 | Yoshinori Yasuda | Mineral liquid and manufacture thereof |
| EP0536908B1 (en) * | 1991-10-09 | 1996-02-14 | Kureha Kagaku Kogyo Kabushiki Kaisha | Method of improving city water and an apparatus therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6223634B2 (enrdf_load_stackoverflow) | 1987-05-25 |
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