DE345309C - - Google Patents
Info
- Publication number
- DE345309C DE345309C DENDAT345309D DE345309DA DE345309C DE 345309 C DE345309 C DE 345309C DE NDAT345309 D DENDAT345309 D DE NDAT345309D DE 345309D A DE345309D A DE 345309DA DE 345309 C DE345309 C DE 345309C
- Authority
- DE
- Germany
- Prior art keywords
- electrolyte
- sodium
- caustic
- phenol
- alkali
- 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.)
- Active
Links
- 239000000203 mixture Substances 0.000 claims description 8
- 239000003792 electrolyte Substances 0.000 claims description 6
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 4
- 239000003518 caustics Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- 235000010265 sodium sulphite Nutrition 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims 1
- 239000012670 alkaline solution Substances 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- RGCKGOZRHPZPFP-UHFFFAOYSA-N Alizarin Natural products C1=CC=C2C(=O)C3=C(O)C(O)=CC=C3C(=O)C2=C1 RGCKGOZRHPZPFP-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- ABBQHOQBGMUPJH-UHFFFAOYSA-M Sodium salicylate Chemical compound [Na+].OC1=CC=CC=C1C([O-])=O ABBQHOQBGMUPJH-UHFFFAOYSA-M 0.000 description 1
- HFVAFDPGUJEFBQ-UHFFFAOYSA-M alizarin red S Chemical compound [Na+].O=C1C2=CC=CC=C2C(=O)C2=C1C=C(S([O-])(=O)=O)C(O)=C2O HFVAFDPGUJEFBQ-UHFFFAOYSA-M 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical group OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- NESLWCLHZZISNB-UHFFFAOYSA-M sodium phenolate Chemical compound [Na+].[O-]C1=CC=CC=C1 NESLWCLHZZISNB-UHFFFAOYSA-M 0.000 description 1
- 229960004025 sodium salicylate Drugs 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
- C25F1/02—Pickling; Descaling
- C25F1/04—Pickling; Descaling in solution
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
- C25F1/02—Pickling; Descaling
- C25F1/12—Pickling; Descaling in melts
- C25F1/14—Iron or steel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Detergent Compositions (AREA)
Description
Es ist bereits vorgeschlagen worden, die oxydierten Teile von Metallplatten, Drähten, Bändern usw. durch Eintauchen derselben in ein elektrolitisches Bad, enthaltend verdünnte Schwefelsäure oder Salzsäure bzw. Ätzalkali, zu entfernen.It has already been proposed to remove the oxidized parts of metal plates, wires, Ribbons, etc. by immersing them in an electrolytic bath containing diluted ones Sulfuric acid or hydrochloric acid or caustic alkali.
Erfindungsgemäß wird als Elektrolyt für die zu reinigenden Metallgegenstände, welche an die Kathode angeschlossen sind, das ätzalkalische Abfallprodukt benutzt, welches bei der Alkalischmelze von phenolartigen organischen Stoffen hervorgeht, bzw. ein Produkt, welches annähernd die gleiche Zusammensetzung besitzt. Die Anode besteht beispielsweise aus Eisen. Das Abfallprodukt bei der Darstellung von B-Naphthol, Phenol, Alizarin, Resorzin bildet ein Genienge von Ätznatron, Natriumsulfit, Natriumsulfat und Natriumkarbonat mit Resten der organischen Substanz. Bei der Phenolschmelze besitzt dieses Abfallprodukt folgende Zusammensetzung: According to the invention, as an electrolyte for the metal objects to be cleaned, which are connected to the cathode, the caustic waste product used, which at the alkali melt of phenol-like organic substances, or a product, which has approximately the same composition. The anode consists for example made of iron. The waste product in the production of B-naphthol, phenol, alizarin, Resorzin forms a genius of caustic soda, sodium sulfite, sodium sulfate and sodium carbonate with residues of the organic Substance. In the case of phenol melt, this waste product has the following composition:
Ätznatron 50 Gewichtsprozente,Caustic soda 50 percent by weight,
Natriumsulfit ... 28Sodium Sulphite ... 28
Natriumsulfat ... 8Sodium Sulphate ... 8
Natriumkarbonat 8Sodium carbonate 8
Phenol 1 bis 2Phenol 1 to 2
Anstatt des Abfallproduktes kann man ein künstlich hergestelltes Gemenge von gleicher 3" Zusammensetzung benutzen, d. h. ein Gemenge bzw. Lösung von Ätznatron mit den genannten Salzen und Phenolnatrium bzw. Natriumsalizylat. Der Elektrolyt ist 15 bis prozentig und etwa 900 heiß.Instead of the waste product can be an artificially produced mixture of the same 3 "use composition, ie a mixture or solution of caustic soda with said salts and sodium phenolate or sodium salicylate. The electrolyte is 15 to 90 percent and about 0 hot.
Reinigungselektrolyte von der angegebenen Zusammensetzung bieten vor andern alkalischen Elektrolyten den Vorteil, daß eine raschere Entwicklung von Wasserstoff eintritt, wodurch der Reinigungsvorgang wesentlieh begünstigt wird.Cleaning electrolytes of the specified composition offer alkaline ones over others Electrolytes have the advantage that a more rapid evolution of hydrogen occurs, whereby the cleaning process is substantially favored.
Claims (2)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1364218A GB131455A (en) | 1918-08-22 | 1918-08-22 | Cleaning of Metals by Electrolysis. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE345309C true DE345309C (en) |
Family
ID=32608110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT345309D Active DE345309C (en) | 1918-08-22 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE345309C (en) |
| FR (1) | FR520128A (en) |
| GB (1) | GB131455A (en) |
-
0
- DE DENDAT345309D patent/DE345309C/de active Active
-
1918
- 1918-08-22 GB GB1364218A patent/GB131455A/en not_active Expired
-
1920
- 1920-07-09 FR FR520128D patent/FR520128A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR520128A (en) | 1921-06-21 |
| GB131455A (en) | 1919-08-22 |
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