US1852648A - Material for selectively controlling metal pickling in acid baths - Google Patents
Material for selectively controlling metal pickling in acid baths Download PDFInfo
- Publication number
- US1852648A US1852648A US309904A US30990428A US1852648A US 1852648 A US1852648 A US 1852648A US 309904 A US309904 A US 309904A US 30990428 A US30990428 A US 30990428A US 1852648 A US1852648 A US 1852648A
- Authority
- US
- United States
- Prior art keywords
- pickling
- bath
- acid
- controlling
- selective
- 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 - Lifetime
Links
- 239000000463 material Substances 0.000 title description 41
- 238000005554 pickling Methods 0.000 title description 33
- 239000002253 acid Substances 0.000 title description 21
- 229910052751 metal Inorganic materials 0.000 title description 18
- 239000002184 metal Substances 0.000 title description 18
- 230000001276 controlling effect Effects 0.000 description 27
- 239000003795 chemical substances by application Substances 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000002699 waste material Substances 0.000 description 8
- 239000001913 cellulose Substances 0.000 description 7
- 229920002678 cellulose Polymers 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 239000006260 foam Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000001117 sulphuric acid Substances 0.000 description 3
- 235000011149 sulphuric acid Nutrition 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- VASMRQAVWVVDPA-UHFFFAOYSA-N 1,3,5-triphenyl-1,3,5-triazinane Chemical compound C1N(C=2C=CC=CC=2)CN(C=2C=CC=CC=2)CN1C1=CC=CC=C1 VASMRQAVWVVDPA-UHFFFAOYSA-N 0.000 description 1
- 239000004484 Briquette Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- FCSHMCFRCYZTRQ-UHFFFAOYSA-N N,N'-diphenylthiourea Chemical compound C=1C=CC=CC=1NC(=S)NC1=CC=CC=C1 FCSHMCFRCYZTRQ-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- RDYMFSUJUZBWLH-UHFFFAOYSA-N endosulfan Chemical compound C12COS(=O)OCC2C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl RDYMFSUJUZBWLH-UHFFFAOYSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 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
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
- C23G1/06—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
Definitions
- This invention relates generally to metal pickling and especially to that pickling where steel is cleaned in a bath of sulphuric or other acid.
- the objects of the invention are to provide an improved selective controlling material for metal pickling, to save acid, to save metal, to prolong the life of a pickling bath, to reduce acid brittleness, to minimize blisters, to prevent over-pickling, to reduce the roughness of the pickled work, to improve the appearance of the pickled work and generally to improve the art of pickling metal. It is a. further object of the invention to provide a material for carrying out the above objects that is easily transported and otherwise handled, that is economical to use, and which, when used according to the following specifications, will not injure health nor effect the skin.
- buoying agents are colloidal materials, such as evaporated cellulose pulp waste liquor, starch, flour, clay, etc. Of these, I prefer to use the evaporated cellulose pulp waste liquor, due to its economy and effectiveness.
- This admixture is then thoroughly ground, agitated or beaten so as to forcibly bring t3 other words, I triturate the admixture. It is then ready to be introduced into the pickling bath.
- the quantity required for selectively controlling the pickling of steel will vary according to the degree of controlling effect desired, but a pickling bath of the following I, l l l l proportions will be found satisfactory for pickling steel if operated at 180 F.
- the first two ingredients are first mixed and triturated and then the filler added and thoroughly mixed to distribute it uniformly.
- the resulting admixture may be used as is, in the powdered form. or it may be briquetted. The briquetting may be accomplished with the dry material but better results are obtained when the admixture is slightly moistened with water.
- the briquetting of my selective controlling material not only enables it to penetrate the foam on the top of the pickling bath, but it serves to further unite the control material and colloidal material and also affords a simple and effective way of measuring and proportioning the selective controlling material when adding it to the bath, thus securing uniform results.
- a material for selectively controlling the action of a metal pickling bath comprising a triturated admixture of a water insoluble controlling agent and a colloid, said admixture being adapted to be suspended in the liquid thereof and circulated through the bath by the natural circulation thereof.
- a material for selectively controlling metal pickling baths comprising a triturated admixture of a water insoluble selective controlling material and a buoying agent therefor consisting of cellulose pulp waste liquor.
- a material for selectively controlling metal pickling baths comprising a triturated admixture of a water insoluble selective controlling material and a buoying agent for the said selective controlling material.
- a material for selectively controlling metal pickling baths comprising a triturated admixture of diorthotolylthiourea and a buoying agent for the said diorthotolylthiourea.
- a material for selectively controlling metal pickling baths comprising a triturated admixture of diorthotolylthiourea and evaporated cellulose pulp waste liquor.
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)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE364094D BE364094A (enrdf_load_stackoverflow) | 1928-10-02 | ||
| US309904A US1852648A (en) | 1928-10-02 | 1928-10-02 | Material for selectively controlling metal pickling in acid baths |
| DEG77414D DE609019C (de) | 1928-10-02 | 1929-09-06 | Verfahren zur Verhuetung der Aufloesung von Metallen in Saeuren |
| FR682424D FR682424A (fr) | 1928-10-02 | 1929-09-28 | Procédé pour empêcher les métaux de se dissoudre dans des acides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US309904A US1852648A (en) | 1928-10-02 | 1928-10-02 | Material for selectively controlling metal pickling in acid baths |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1852648A true US1852648A (en) | 1932-04-05 |
Family
ID=23200160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US309904A Expired - Lifetime US1852648A (en) | 1928-10-02 | 1928-10-02 | Material for selectively controlling metal pickling in acid baths |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1852648A (enrdf_load_stackoverflow) |
| BE (1) | BE364094A (enrdf_load_stackoverflow) |
| DE (1) | DE609019C (enrdf_load_stackoverflow) |
| FR (1) | FR682424A (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2614081A (en) * | 1948-03-26 | 1952-10-14 | Pennsylvania Salt Mfg Co | Pickling bath foaming agent |
| US2662857A (en) * | 1948-03-26 | 1953-12-15 | Pennsylvania Salt Mfg Co | Pickling bath agent |
| US2823184A (en) * | 1950-02-11 | 1958-02-11 | Pennsalt Chemicals Corp | Composition and process for metal pickling |
| US3216857A (en) * | 1962-05-21 | 1965-11-09 | Wyandotte Chemicals Corp | Process for removal of carbonaceous deposits |
-
0
- BE BE364094D patent/BE364094A/xx unknown
-
1928
- 1928-10-02 US US309904A patent/US1852648A/en not_active Expired - Lifetime
-
1929
- 1929-09-06 DE DEG77414D patent/DE609019C/de not_active Expired
- 1929-09-28 FR FR682424D patent/FR682424A/fr not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2614081A (en) * | 1948-03-26 | 1952-10-14 | Pennsylvania Salt Mfg Co | Pickling bath foaming agent |
| US2662857A (en) * | 1948-03-26 | 1953-12-15 | Pennsylvania Salt Mfg Co | Pickling bath agent |
| US2823184A (en) * | 1950-02-11 | 1958-02-11 | Pennsalt Chemicals Corp | Composition and process for metal pickling |
| US3216857A (en) * | 1962-05-21 | 1965-11-09 | Wyandotte Chemicals Corp | Process for removal of carbonaceous deposits |
Also Published As
| Publication number | Publication date |
|---|---|
| DE609019C (de) | 1935-02-06 |
| FR682424A (fr) | 1930-05-27 |
| BE364094A (enrdf_load_stackoverflow) |
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