KR100190305B1 - 염산내 염화철(ⅱ)용액의 정화방법 - Google Patents
염산내 염화철(ⅱ)용액의 정화방법 Download PDFInfo
- Publication number
- KR100190305B1 KR100190305B1 KR1019940035091A KR19940035091A KR100190305B1 KR 100190305 B1 KR100190305 B1 KR 100190305B1 KR 1019940035091 A KR1019940035091 A KR 1019940035091A KR 19940035091 A KR19940035091 A KR 19940035091A KR 100190305 B1 KR100190305 B1 KR 100190305B1
- Authority
- KR
- South Korea
- Prior art keywords
- iron
- hydrochloric acid
- hydroxide
- chloride
- sludge
- Prior art date
Links
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 title claims abstract description 16
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 title claims abstract description 5
- 238000000034 method Methods 0.000 title claims description 24
- 239000010802 sludge Substances 0.000 claims abstract description 21
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims abstract description 18
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 claims abstract description 12
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract description 10
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 10
- 238000001556 precipitation Methods 0.000 claims abstract description 9
- 235000014413 iron hydroxide Nutrition 0.000 claims abstract description 6
- 229910021577 Iron(II) chloride Inorganic materials 0.000 claims abstract description 4
- 239000000356 contaminant Substances 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000003472 neutralizing effect Effects 0.000 claims description 2
- 230000001376 precipitating effect Effects 0.000 claims description 2
- 230000003134 recirculating effect Effects 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 2
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- 239000002699 waste material Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000002244 precipitate Substances 0.000 abstract description 5
- 238000006386 neutralization reaction Methods 0.000 abstract description 2
- 238000000746 purification Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 5
- MSNWSDPPULHLDL-UHFFFAOYSA-K ferric hydroxide Chemical compound [OH-].[OH-].[OH-].[Fe+3] MSNWSDPPULHLDL-UHFFFAOYSA-K 0.000 description 4
- 238000005554 pickling Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/04—Ferrous oxide [FeO]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Removal Of Specific Substances (AREA)
- Compounds Of Iron (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0256893A AT400042B (de) | 1993-12-20 | 1993-12-20 | Verfahren zum reinigen wässriger, salzsaurer lösungen |
| ATA2568/93 | 1993-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR950017729A KR950017729A (ko) | 1995-07-20 |
| KR100190305B1 true KR100190305B1 (ko) | 1999-06-01 |
Family
ID=3536619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019940035091A KR100190305B1 (ko) | 1993-12-20 | 1994-12-19 | 염산내 염화철(ⅱ)용액의 정화방법 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPH07204411A (de) |
| KR (1) | KR100190305B1 (de) |
| CN (1) | CN1038497C (de) |
| AT (1) | AT400042B (de) |
| TW (1) | TW272178B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100430521C (zh) * | 2006-04-28 | 2008-11-05 | 中冶南方工程技术有限公司 | 盐酸废液净化处理工艺 |
-
1993
- 1993-12-20 AT AT0256893A patent/AT400042B/de not_active IP Right Cessation
-
1994
- 1994-12-06 JP JP6302400A patent/JPH07204411A/ja active Pending
- 1994-12-08 TW TW083111437A patent/TW272178B/zh not_active IP Right Cessation
- 1994-12-19 KR KR1019940035091A patent/KR100190305B1/ko not_active IP Right Cessation
- 1994-12-20 CN CN94119075A patent/CN1038497C/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07204411A (ja) | 1995-08-08 |
| ATA256893A (de) | 1995-01-15 |
| KR950017729A (ko) | 1995-07-20 |
| CN1038497C (zh) | 1998-05-27 |
| AT400042B (de) | 1995-09-25 |
| TW272178B (de) | 1996-03-11 |
| CN1108218A (zh) | 1995-09-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 20130114 Year of fee payment: 15 |
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| FPAY | Annual fee payment |
Payment date: 20140110 Year of fee payment: 16 |
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| EXPY | Expiration of term |