JPS6260943B2 - - Google Patents
Info
- Publication number
- JPS6260943B2 JPS6260943B2 JP55077176A JP7717680A JPS6260943B2 JP S6260943 B2 JPS6260943 B2 JP S6260943B2 JP 55077176 A JP55077176 A JP 55077176A JP 7717680 A JP7717680 A JP 7717680A JP S6260943 B2 JPS6260943 B2 JP S6260943B2
- Authority
- JP
- Japan
- Prior art keywords
- exchange resin
- ion exchange
- resin layer
- cleaning
- acid
- 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
Links
- 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 68
- 239000003456 ion exchange resin Substances 0.000 claims description 61
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 61
- 238000004140 cleaning Methods 0.000 claims description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 239000002253 acid Substances 0.000 claims description 33
- 239000012670 alkaline solution Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 33
- 239000003957 anion exchange resin Substances 0.000 description 15
- 230000002378 acidificating effect Effects 0.000 description 13
- 239000003729 cation exchange resin Substances 0.000 description 13
- 238000005406 washing Methods 0.000 description 13
- 239000000243 solution Substances 0.000 description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 11
- 235000011121 sodium hydroxide Nutrition 0.000 description 11
- 239000002351 wastewater Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 230000008929 regeneration Effects 0.000 description 6
- 238000011069 regeneration method Methods 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- -1 sodium carboxylate Chemical class 0.000 description 5
- 239000008234 soft water Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 125000002843 carboxylic acid group Chemical group 0.000 description 4
- 229940023913 cation exchange resins Drugs 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 238000005342 ion exchange Methods 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 235000002639 sodium chloride Nutrition 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 3
- 229920001429 chelating resin Polymers 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Treatment Of Water By Ion Exchange (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7717680A JPS5724646A (en) | 1980-06-10 | 1980-06-10 | Washing method for ion exchange resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7717680A JPS5724646A (en) | 1980-06-10 | 1980-06-10 | Washing method for ion exchange resin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5724646A JPS5724646A (en) | 1982-02-09 |
| JPS6260943B2 true JPS6260943B2 (enrdf_load_stackoverflow) | 1987-12-18 |
Family
ID=13626483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7717680A Granted JPS5724646A (en) | 1980-06-10 | 1980-06-10 | Washing method for ion exchange resin |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5724646A (enrdf_load_stackoverflow) |
-
1980
- 1980-06-10 JP JP7717680A patent/JPS5724646A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5724646A (en) | 1982-02-09 |