DE849789C - Verfahren zum Reinigen metallischer Gegenstaende - Google Patents
Verfahren zum Reinigen metallischer GegenstaendeInfo
- Publication number
- DE849789C DE849789C DEP38218A DEP0038218A DE849789C DE 849789 C DE849789 C DE 849789C DE P38218 A DEP38218 A DE P38218A DE P0038218 A DEP0038218 A DE P0038218A DE 849789 C DE849789 C DE 849789C
- Authority
- DE
- Germany
- Prior art keywords
- melt
- alkali metal
- hydride
- alkali
- bath
- 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
- 238000000034 method Methods 0.000 title claims description 24
- 238000004140 cleaning Methods 0.000 title claims description 20
- 230000008569 process Effects 0.000 title claims description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- 150000004678 hydrides Chemical class 0.000 claims description 27
- 229910000102 alkali metal hydride Inorganic materials 0.000 claims description 15
- 150000008046 alkali metal hydrides Chemical class 0.000 claims description 15
- 239000000155 melt Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 229910052783 alkali metal Inorganic materials 0.000 claims description 6
- 150000001340 alkali metals Chemical class 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 5
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910000288 alkali metal carbonate Inorganic materials 0.000 claims description 2
- 229910001508 alkali metal halide Inorganic materials 0.000 claims description 2
- 150000008045 alkali metal halides Chemical class 0.000 claims description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 2
- 239000003610 charcoal Substances 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 239000006104 solid solution Substances 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 2
- 150000008041 alkali metal carbonates Chemical class 0.000 claims 1
- 150000004820 halides Chemical class 0.000 claims 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 10
- 239000010410 layer Substances 0.000 description 10
- 229910000104 sodium hydride Inorganic materials 0.000 description 10
- 235000011121 sodium hydroxide Nutrition 0.000 description 10
- 239000012312 sodium hydride Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- -1 ferrous metals Chemical class 0.000 description 2
- 229910052987 metal hydride Inorganic materials 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical class [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000004973 alkali metal peroxides Chemical group 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 235000011118 potassium hydroxide Nutrition 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000010405 reoxidation reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 235000009518 sodium iodide Nutrition 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005406 washing 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
- C23G1/28—Cleaning or pickling metallic material with solutions or molten salts with molten salts
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)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US389919A US2377876A (en) | 1941-04-23 | 1941-04-23 | Metal cleaning process and composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE849789C true DE849789C (de) | 1952-09-18 |
Family
ID=23540306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEP38218A Expired DE849789C (de) | 1941-04-23 | 1949-03-30 | Verfahren zum Reinigen metallischer Gegenstaende |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US2377876A (enrdf_load_stackoverflow) |
| BE (1) | BE463149A (enrdf_load_stackoverflow) |
| CH (1) | CH278603A (enrdf_load_stackoverflow) |
| DE (1) | DE849789C (enrdf_load_stackoverflow) |
| FR (1) | FR924482A (enrdf_load_stackoverflow) |
| GB (1) | GB557530A (enrdf_load_stackoverflow) |
| LU (1) | LU28268A1 (enrdf_load_stackoverflow) |
| NL (1) | NL62044C (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1206262B (de) * | 1963-02-28 | 1965-12-02 | Schloemann Ag | Verfahren zum Entoxydieren der Oberflaechen von Metallgegenstaenden durch Anwendung von Alkalimetallhydrid |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2734036A (en) * | 1956-02-07 | Preventing the formation of carbon | ||
| US2448262A (en) * | 1943-07-19 | 1948-08-31 | Du Pont | Metal cleaning |
| US2499764A (en) * | 1945-11-24 | 1950-03-07 | Armco Steel Corp | Processing stainless steel |
| US2569158A (en) * | 1946-02-21 | 1951-09-25 | United States Steel Corp | Method of removing scale from ferrous articles |
| US2678290A (en) * | 1946-09-05 | 1954-05-11 | Pottberg Rolfe | Process of removing surface oxide films on metal |
| US2601864A (en) * | 1947-07-02 | 1952-07-01 | Artemas F Holden | Composition for and method of descaling metal parts |
| DE961634C (de) * | 1952-02-05 | 1957-04-11 | Ver Deutsche Metallwerke Ag | Verfahren zum Erzielen blanker Oberflaechen von metallischen Werkstoffen und deren Legierungen, vorzugsweise von chromhaltigen Staehlen |
| US2935428A (en) * | 1954-03-30 | 1960-05-03 | Callery Chemical Co | Method and composition for subjecting metals to reducing conditions |
| US2794001A (en) * | 1954-10-13 | 1957-05-28 | Du Pont | Descaling metals |
| US2790738A (en) * | 1955-04-14 | 1957-04-30 | Du Pont | Titanium descaling bath and process |
| US2936286A (en) * | 1955-07-25 | 1960-05-10 | Dictaphone Corp | Production of acicular iron particles |
| US2796366A (en) * | 1955-10-31 | 1957-06-18 | Du Pont | Process and bath for descaling metals |
| US2880855A (en) * | 1955-11-29 | 1959-04-07 | Lasalle Steel Co | Method of processing steel |
| US2935419A (en) * | 1956-08-27 | 1960-05-03 | American Mollerizing Corp | Method of aluminization and pretreating medium therefor |
| US2891848A (en) * | 1956-10-25 | 1959-06-23 | Albert L Jaffe | Separation of metals |
| DE1546112C3 (de) * | 1965-05-12 | 1973-11-22 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Verminderung der Hydridverluste hydridhaltiger Schmelzen |
| US3506487A (en) * | 1966-12-13 | 1970-04-14 | Dynamit Nobel Ag | Process for the removal of scale from very scaly metal surfaces |
| US3625900A (en) * | 1968-01-22 | 1971-12-07 | Kolene Corp | Prefused descaling bath constituent and method of maintaining a constant chemical composition of a bath |
| AU2003294609A1 (en) * | 2003-12-29 | 2005-07-21 | Bochemie, S.R.O. | Reducing melt for descaling metals and method of its preparation |
| CN111589782A (zh) * | 2020-06-18 | 2020-08-28 | 江苏徐工工程机械研究院有限公司 | 工件清洗装置和清洗方法 |
-
0
- BE BE463149D patent/BE463149A/xx unknown
- NL NL62044D patent/NL62044C/xx active
- LU LU28268D patent/LU28268A1/xx unknown
-
1941
- 1941-04-23 US US389919A patent/US2377876A/en not_active Expired - Lifetime
-
1942
- 1942-05-20 GB GB6836/42A patent/GB557530A/en not_active Expired
-
1946
- 1946-03-26 FR FR924482D patent/FR924482A/fr not_active Expired
-
1947
- 1947-03-29 CH CH278603D patent/CH278603A/fr unknown
-
1949
- 1949-03-30 DE DEP38218A patent/DE849789C/de not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1206262B (de) * | 1963-02-28 | 1965-12-02 | Schloemann Ag | Verfahren zum Entoxydieren der Oberflaechen von Metallgegenstaenden durch Anwendung von Alkalimetallhydrid |
Also Published As
| Publication number | Publication date |
|---|---|
| BE463149A (enrdf_load_stackoverflow) | |
| CH278603A (fr) | 1951-10-31 |
| LU28268A1 (enrdf_load_stackoverflow) | |
| FR924482A (fr) | 1947-08-06 |
| NL62044C (enrdf_load_stackoverflow) | |
| US2377876A (en) | 1945-06-12 |
| GB557530A (en) | 1943-11-24 |
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