JPH0475078B2 - - Google Patents
Info
- Publication number
- JPH0475078B2 JPH0475078B2 JP10576983A JP10576983A JPH0475078B2 JP H0475078 B2 JPH0475078 B2 JP H0475078B2 JP 10576983 A JP10576983 A JP 10576983A JP 10576983 A JP10576983 A JP 10576983A JP H0475078 B2 JPH0475078 B2 JP H0475078B2
- Authority
- JP
- Japan
- Prior art keywords
- acid
- hydrofluoric acid
- pickling
- tank
- diffusion dialysis
- 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
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 72
- 238000005554 pickling Methods 0.000 claims description 37
- 238000009792 diffusion process Methods 0.000 claims description 35
- 238000000502 dialysis Methods 0.000 claims description 33
- 239000002699 waste material Substances 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 20
- 150000007522 mineralic acids Chemical class 0.000 claims description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 10
- 229910017604 nitric acid Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 150000002739 metals Chemical class 0.000 claims description 4
- 238000003672 processing method Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 229960002050 hydrofluoric acid Drugs 0.000 description 35
- 239000000243 solution Substances 0.000 description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 15
- 239000002253 acid Substances 0.000 description 13
- 229910052742 iron Inorganic materials 0.000 description 8
- 238000011084 recovery Methods 0.000 description 6
- 239000003011 anion exchange membrane Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000012528 membrane Substances 0.000 description 4
- -1 stainless steel Chemical class 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 229910015475 FeF 2 Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/36—Regeneration of waste pickling liquors
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10576983A JPS59230691A (ja) | 1983-06-15 | 1983-06-15 | 弗酸を含む酸洗廃液の処理方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10576983A JPS59230691A (ja) | 1983-06-15 | 1983-06-15 | 弗酸を含む酸洗廃液の処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59230691A JPS59230691A (ja) | 1984-12-25 |
| JPH0475078B2 true JPH0475078B2 (cs) | 1992-11-27 |
Family
ID=14416375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10576983A Granted JPS59230691A (ja) | 1983-06-15 | 1983-06-15 | 弗酸を含む酸洗廃液の処理方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59230691A (cs) |
-
1983
- 1983-06-15 JP JP10576983A patent/JPS59230691A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59230691A (ja) | 1984-12-25 |
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