CA1036916A - Process for the regeneration of nitriding and carburizing salt baths - Google Patents
Process for the regeneration of nitriding and carburizing salt bathsInfo
- Publication number
- CA1036916A CA1036916A CA194,051A CA194051A CA1036916A CA 1036916 A CA1036916 A CA 1036916A CA 194051 A CA194051 A CA 194051A CA 1036916 A CA1036916 A CA 1036916A
- Authority
- CA
- Canada
- Prior art keywords
- alkali metal
- bath
- polymeric
- carbonate
- cyanate
- 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 abstract description 28
- 150000003839 salts Chemical class 0.000 title claims abstract description 28
- 238000005255 carburizing Methods 0.000 title claims abstract description 19
- 238000005121 nitriding Methods 0.000 title claims abstract description 17
- 230000008929 regeneration Effects 0.000 title claims abstract description 13
- 238000011069 regeneration method Methods 0.000 title claims abstract description 13
- -1 alkali metal cyanide Chemical class 0.000 claims abstract description 21
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 20
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 19
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims abstract description 18
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 claims abstract description 15
- 239000000155 melt Substances 0.000 claims abstract description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 14
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims abstract description 14
- 150000002894 organic compounds Chemical class 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims abstract description 12
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 12
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 11
- 229910000027 potassium carbonate Inorganic materials 0.000 claims abstract description 11
- 229910001514 alkali metal chloride Inorganic materials 0.000 claims abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 7
- 231100000331 toxic Toxicity 0.000 claims abstract description 7
- 230000002588 toxic effect Effects 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- GKKCIDNWFBPDBW-UHFFFAOYSA-M potassium cyanate Chemical compound [K]OC#N GKKCIDNWFBPDBW-UHFFFAOYSA-M 0.000 claims abstract description 6
- ZVCDLGYNFYZZOK-UHFFFAOYSA-M sodium cyanate Chemical compound [Na]OC#N ZVCDLGYNFYZZOK-UHFFFAOYSA-M 0.000 claims abstract description 6
- 229910000288 alkali metal carbonate Inorganic materials 0.000 claims abstract description 5
- 150000008041 alkali metal carbonates Chemical class 0.000 claims abstract description 5
- 150000001408 amides Chemical class 0.000 claims abstract description 5
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 claims abstract description 4
- 229910001626 barium chloride Inorganic materials 0.000 claims abstract description 4
- 230000007613 environmental effect Effects 0.000 claims abstract description 4
- 150000003672 ureas Chemical class 0.000 claims abstract description 4
- 229920000642 polymer Polymers 0.000 claims abstract description 3
- 229920000877 Melamine resin Polymers 0.000 claims description 6
- 235000011181 potassium carbonates Nutrition 0.000 claims description 4
- JMANVNJQNLATNU-UHFFFAOYSA-N glycolonitrile Natural products N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims description 3
- 150000003918 triazines Chemical class 0.000 claims description 3
- YZEZMSPGIPTEBA-UHFFFAOYSA-N 2-n-(4,6-diamino-1,3,5-triazin-2-yl)-1,3,5-triazine-2,4,6-triamine Chemical compound NC1=NC(N)=NC(NC=2N=C(N)N=C(N)N=2)=N1 YZEZMSPGIPTEBA-UHFFFAOYSA-N 0.000 claims description 2
- 239000004202 carbamide Substances 0.000 claims description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 2
- 229940093956 potassium carbonate Drugs 0.000 claims 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- 229910052719 titanium Inorganic materials 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 235000017550 sodium carbonate Nutrition 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 239000011833 salt mixture Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 150000007974 melamines Chemical class 0.000 description 3
- 235000015320 potassium carbonate Nutrition 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- YIKSCQDJHCMVMK-UHFFFAOYSA-N Oxamide Chemical compound NC(=O)C(N)=O YIKSCQDJHCMVMK-UHFFFAOYSA-N 0.000 description 2
- 229910021386 carbon form Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- MNWBNISUBARLIT-UHFFFAOYSA-N sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Inorganic materials [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 1
- 125000005587 carbonate group Chemical group 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000010892 non-toxic waste Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- LIXWSNVLHFNXAJ-UHFFFAOYSA-N sodium;oxidoazaniumylidynemethane Chemical compound [Na+].[O-][N+]#[C-] LIXWSNVLHFNXAJ-UHFFFAOYSA-N 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 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
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
- Fertilizers (AREA)
- Polyamides (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732310815 DE2310815C3 (de) | 1973-03-05 | Verfahren zum Regenerleren von Nitrier- und Kohlungssatzbädern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1036916A true CA1036916A (en) | 1978-08-22 |
Family
ID=5873812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA194,051A Expired CA1036916A (en) | 1973-03-05 | 1974-03-05 | Process for the regeneration of nitriding and carburizing salt baths |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS547502B2 (enExample) |
| AT (1) | AT340981B (enExample) |
| BR (1) | BR7401602D0 (enExample) |
| CA (1) | CA1036916A (enExample) |
| CH (1) | CH586286A5 (enExample) |
| DD (1) | DD110058A5 (enExample) |
| ES (1) | ES423504A1 (enExample) |
| FR (1) | FR2220595B1 (enExample) |
| GB (1) | GB1458255A (enExample) |
| IN (1) | IN141733B (enExample) |
| IT (1) | IT1009199B (enExample) |
| SE (1) | SE410012B (enExample) |
| SU (1) | SU805954A3 (enExample) |
| YU (1) | YU40100B (enExample) |
| ZA (1) | ZA741415B (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2441310C3 (de) * | 1974-08-29 | 1978-05-18 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Verfahren zum Nitrieren von Eisen und Stahl in Salzbädern |
| US4938452A (en) * | 1988-12-10 | 1990-07-03 | Aisan Kogyo Kabushiki Kaisha | Air control device for internal combustion engine |
| JP2007225186A (ja) * | 2006-02-23 | 2007-09-06 | Matsushita Electric Ind Co Ltd | 高周波加熱調理装置 |
| CN111560581B (zh) * | 2020-05-29 | 2023-08-25 | 江苏奕华新材料科技有限公司 | 一种用于氮碳氧共渗技术的再生剂及其制备方法 |
-
1974
- 1974-02-18 SU SU741996945A patent/SU805954A3/ru active
- 1974-02-22 ES ES423504A patent/ES423504A1/es not_active Expired
- 1974-03-01 DD DD176897A patent/DD110058A5/xx unknown
- 1974-03-04 AT AT173174A patent/AT340981B/de not_active IP Right Cessation
- 1974-03-04 GB GB960574A patent/GB1458255A/en not_active Expired
- 1974-03-04 IN IN462/CAL/74A patent/IN141733B/en unknown
- 1974-03-04 YU YU565/74A patent/YU40100B/xx unknown
- 1974-03-05 CA CA194,051A patent/CA1036916A/en not_active Expired
- 1974-03-05 ZA ZA00741415A patent/ZA741415B/xx unknown
- 1974-03-05 CH CH308774A patent/CH586286A5/xx not_active IP Right Cessation
- 1974-03-05 FR FR7407504A patent/FR2220595B1/fr not_active Expired
- 1974-03-05 BR BR1602/74A patent/BR7401602D0/pt unknown
- 1974-03-05 SE SE7402945A patent/SE410012B/xx not_active IP Right Cessation
- 1974-03-05 JP JP2566574A patent/JPS547502B2/ja not_active Expired
- 1974-03-06 IT IT67570/74A patent/IT1009199B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| SU805954A3 (ru) | 1981-02-15 |
| ZA741415B (en) | 1975-01-29 |
| SE410012B (sv) | 1979-09-17 |
| DE2310815B2 (de) | 1976-08-26 |
| YU56574A (en) | 1982-02-28 |
| ATA173174A (de) | 1977-05-15 |
| BR7401602D0 (pt) | 1974-10-29 |
| YU40100B (en) | 1985-08-31 |
| CH586286A5 (enExample) | 1977-03-31 |
| DE2310815A1 (de) | 1974-09-12 |
| FR2220595B1 (enExample) | 1976-12-10 |
| AT340981B (de) | 1978-01-10 |
| DD110058A5 (enExample) | 1974-12-05 |
| IT1009199B (it) | 1976-12-10 |
| ES423504A1 (es) | 1976-05-16 |
| GB1458255A (en) | 1976-12-15 |
| JPS49119839A (enExample) | 1974-11-15 |
| FR2220595A1 (enExample) | 1974-10-04 |
| JPS547502B2 (enExample) | 1979-04-07 |
| IN141733B (enExample) | 1977-04-09 |
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