JPS6354067B2 - - Google Patents
Info
- Publication number
- JPS6354067B2 JPS6354067B2 JP59259047A JP25904784A JPS6354067B2 JP S6354067 B2 JPS6354067 B2 JP S6354067B2 JP 59259047 A JP59259047 A JP 59259047A JP 25904784 A JP25904784 A JP 25904784A JP S6354067 B2 JPS6354067 B2 JP S6354067B2
- Authority
- JP
- Japan
- Prior art keywords
- product
- regenerant
- bath
- refill
- charge according
- 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
- 239000000047 product Substances 0.000 claims description 39
- 239000012492 regenerant Substances 0.000 claims description 30
- 150000003839 salts Chemical class 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 19
- 150000001875 compounds Chemical class 0.000 claims description 18
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 15
- 239000004202 carbamide Substances 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 10
- 239000007859 condensation product Substances 0.000 claims description 9
- 239000007857 degradation product Substances 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 230000003716 rejuvenation Effects 0.000 claims description 6
- 230000015556 catabolic process Effects 0.000 claims description 4
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 claims description 4
- 230000007850 degeneration Effects 0.000 claims description 4
- 238000006731 degradation reaction Methods 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims description 2
- 239000011236 particulate material Substances 0.000 claims description 2
- 230000001172 regenerating effect Effects 0.000 claims description 2
- 239000010419 fine particle Substances 0.000 claims 1
- 238000005121 nitriding Methods 0.000 description 7
- 238000011282 treatment Methods 0.000 description 6
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- 239000000654 additive Substances 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 2
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 2
- 150000008041 alkali metal carbonates Chemical class 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 150000001913 cyanates Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/40—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cosmetics (AREA)
- Detergent Compositions (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Seasonings (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Glanulating (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8319781 | 1983-12-09 | ||
| FR8319781A FR2556367B1 (fr) | 1983-12-09 | 1983-12-09 | Charge d'apport destinee a assurer la maintenance de bains de sels fondus pour le traitement de pieces metalliques |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60141864A JPS60141864A (ja) | 1985-07-26 |
| JPS6354067B2 true JPS6354067B2 (es) | 1988-10-26 |
Family
ID=9295052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25904784A Granted JPS60141864A (ja) | 1983-12-09 | 1984-12-07 | 金属製品処理用溶融塩浴の状態保持用注ぎ足し装入物 |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0145576B1 (es) |
| JP (1) | JPS60141864A (es) |
| BR (1) | BR8406275A (es) |
| DE (1) | DE3465207D1 (es) |
| ES (1) | ES8702499A1 (es) |
| FR (1) | FR2556367B1 (es) |
| IN (1) | IN161219B (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4030279C1 (en) * | 1990-09-25 | 1992-06-04 | Goetz Dipl.-Chem. Dr. 5400 Koblenz De Baum | Regenerating molten alkali metal cyanate - by continuous addn. of urea] or polymer or condensate that generates urea, feeding additive into containers in continuous conveyor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5931861A (ja) * | 1982-08-16 | 1984-02-21 | Mitsui Toatsu Chem Inc | 金属材料の窒化用塩浴の再生剤 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1012625B (de) * | 1955-06-10 | 1957-07-25 | Houghton Chemie G M B H | Verfahren zur Erzielung zeitweiliger Aufkohlungswirkung bei der Waermebehandlung vonStahl in cyanidfreien Salzschmelzen |
| FR2214760A2 (en) * | 1973-01-23 | 1974-08-19 | Ctre Rech Meca Hydromeca | Surface treating ferrous metals - with molten salt bath contg carbonate, cyanate, lithium, potassium, and sodium ions |
| AR204533A1 (es) * | 1973-06-20 | 1976-02-12 | Stephanois Rech Mec | Procedimiento de regeneracion de un bano de sales fundidas que contiene cianatos y carbonatos |
| FR2271307A1 (en) * | 1974-05-17 | 1975-12-12 | Stephanois Rech Meca Hyd Centr | Stabilising fused cyanate heat treatment baths - by introducing sulphur and carbonyl cpds. to reduce cyanide formation |
| DE2521550A1 (de) * | 1975-05-15 | 1976-12-02 | Daimler Benz Ag | Mittel zum regenerieren von nitrierbaedern |
| DE2542519A1 (de) * | 1975-09-24 | 1977-04-14 | Daimler Benz Ag | Regenerierungsmittel fuer salzschmelzen auf cyanatbasis |
-
1983
- 1983-12-09 FR FR8319781A patent/FR2556367B1/fr not_active Expired
-
1984
- 1984-08-16 IN IN663/DEL/84A patent/IN161219B/en unknown
- 1984-11-26 DE DE8484402401T patent/DE3465207D1/de not_active Expired
- 1984-11-26 EP EP19840402401 patent/EP0145576B1/fr not_active Expired
- 1984-12-07 BR BR8406275A patent/BR8406275A/pt not_active IP Right Cessation
- 1984-12-07 JP JP25904784A patent/JPS60141864A/ja active Granted
- 1984-12-07 ES ES538372A patent/ES8702499A1/es not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5931861A (ja) * | 1982-08-16 | 1984-02-21 | Mitsui Toatsu Chem Inc | 金属材料の窒化用塩浴の再生剤 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3465207D1 (en) | 1987-09-10 |
| FR2556367B1 (fr) | 1986-09-19 |
| ES8702499A1 (es) | 1987-01-01 |
| EP0145576B1 (fr) | 1987-08-05 |
| FR2556367A1 (fr) | 1985-06-14 |
| EP0145576A3 (en) | 1985-07-10 |
| BR8406275A (pt) | 1985-10-01 |
| IN161219B (es) | 1987-10-17 |
| EP0145576A2 (fr) | 1985-06-19 |
| ES538372A0 (es) | 1987-01-01 |
| JPS60141864A (ja) | 1985-07-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |