JPS6255898B2 - - Google Patents
Info
- Publication number
- JPS6255898B2 JPS6255898B2 JP57144799A JP14479982A JPS6255898B2 JP S6255898 B2 JPS6255898 B2 JP S6255898B2 JP 57144799 A JP57144799 A JP 57144799A JP 14479982 A JP14479982 A JP 14479982A JP S6255898 B2 JPS6255898 B2 JP S6255898B2
- Authority
- JP
- Japan
- Prior art keywords
- exchange resin
- resin
- inorganic acid
- iron removal
- reducing agent
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 78
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 58
- 229910052742 iron Inorganic materials 0.000 claims description 39
- 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 31
- 150000007522 mineralic acids Chemical class 0.000 claims description 28
- 239000003957 anion exchange resin Substances 0.000 claims description 26
- 239000003638 chemical reducing agent Substances 0.000 claims description 24
- 239000003729 cation exchange resin Substances 0.000 claims description 23
- 239000011347 resin Substances 0.000 claims description 22
- 229920005989 resin Polymers 0.000 claims description 22
- 238000011069 regeneration method Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 19
- 230000008929 regeneration Effects 0.000 claims description 19
- 235000006408 oxalic acid Nutrition 0.000 claims description 17
- 239000003456 ion exchange resin Substances 0.000 claims description 14
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 14
- 150000003839 salts Chemical class 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 8
- 239000011259 mixed solution Substances 0.000 claims description 8
- 238000005253 cladding Methods 0.000 claims description 5
- 230000001172 regenerating effect Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 description 15
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000010612 desalination reaction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 235000010350 erythorbic acid Nutrition 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- CIWBSHSKHKDKBQ-DUZGATOHSA-N D-araboascorbic acid Natural products OC[C@@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-DUZGATOHSA-N 0.000 description 3
- 239000002211 L-ascorbic acid Substances 0.000 description 3
- 235000000069 L-ascorbic acid Nutrition 0.000 description 3
- 229960005070 ascorbic acid Drugs 0.000 description 3
- 239000004318 erythorbic acid Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 229940026239 isoascorbic acid Drugs 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- -1 H 2 SO 4 Chemical compound 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229940023913 cation exchange resins Drugs 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940026231 erythorbate Drugs 0.000 description 2
- 229940062993 ferrous oxalate Drugs 0.000 description 2
- 235000003891 ferrous sulphate Nutrition 0.000 description 2
- 239000011790 ferrous sulphate Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 2
- OWZIYWAUNZMLRT-UHFFFAOYSA-L iron(2+);oxalate Chemical compound [Fe+2].[O-]C(=O)C([O-])=O OWZIYWAUNZMLRT-UHFFFAOYSA-L 0.000 description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 2
- 229910052815 sulfur oxide Inorganic materials 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229910006299 γ-FeOOH Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 1
- 230000000666 effect on cation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 239000012492 regenerant Substances 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- 238000002525 ultrasonication Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910006540 α-FeOOH Inorganic materials 0.000 description 1
Landscapes
- Treatment Of Water By Ion Exchange (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57144799A JPS5936550A (ja) | 1982-08-23 | 1982-08-23 | イオン交換樹脂の除鉄回生方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57144799A JPS5936550A (ja) | 1982-08-23 | 1982-08-23 | イオン交換樹脂の除鉄回生方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5936550A JPS5936550A (ja) | 1984-02-28 |
| JPS6255898B2 true JPS6255898B2 (enrdf_load_stackoverflow) | 1987-11-21 |
Family
ID=15370724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57144799A Granted JPS5936550A (ja) | 1982-08-23 | 1982-08-23 | イオン交換樹脂の除鉄回生方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5936550A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6238247A (ja) * | 1985-08-12 | 1987-02-19 | Hitachi Ltd | イオン交換樹脂の再生方法 |
-
1982
- 1982-08-23 JP JP57144799A patent/JPS5936550A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5936550A (ja) | 1984-02-28 |
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