BE428530A - - Google Patents
Info
- Publication number
- BE428530A BE428530A BE428530DA BE428530A BE 428530 A BE428530 A BE 428530A BE 428530D A BE428530D A BE 428530DA BE 428530 A BE428530 A BE 428530A
- Authority
- BE
- Belgium
- Prior art keywords
- chromium
- hydrogen
- reduction
- hcl
- gas
- Prior art date
Links
- 239000001257 hydrogen Substances 0.000 claims description 35
- 229910052739 hydrogen Inorganic materials 0.000 claims description 35
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 34
- QSWDMMVNRMROPK-UHFFFAOYSA-K chromium(3+) trichloride Chemical compound [Cl-].[Cl-].[Cl-].[Cr+3] QSWDMMVNRMROPK-UHFFFAOYSA-K 0.000 claims description 27
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 26
- 239000007789 gas Substances 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 229910021556 Chromium(III) chloride Inorganic materials 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 230000001603 reducing effect Effects 0.000 claims description 12
- 229910001868 water Inorganic materials 0.000 claims description 12
- 229910021555 Chromium Chloride Inorganic materials 0.000 claims description 10
- 229960000359 chromic chloride Drugs 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 29
- 239000011651 chromium Substances 0.000 description 27
- 229910052804 chromium Inorganic materials 0.000 description 21
- 229910052751 metal Inorganic materials 0.000 description 19
- 239000002184 metal Substances 0.000 description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 239000011636 chromium(III) chloride Substances 0.000 description 13
- 235000007831 chromium(III) chloride Nutrition 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 11
- XBWRJSSJWDOUSJ-UHFFFAOYSA-L chromium(ii) chloride Chemical compound Cl[Cr]Cl XBWRJSSJWDOUSJ-UHFFFAOYSA-L 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- 229910021554 Chromium(II) chloride Inorganic materials 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 8
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 7
- 239000006096 absorbing agent Substances 0.000 description 7
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- 238000002844 melting Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000003638 chemical reducing agent Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 229910000423 chromium oxide Inorganic materials 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229940109126 chromous chloride Drugs 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000004484 Briquette Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- -1 metal oxide compounds Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910001111 Fine metal Inorganic materials 0.000 description 1
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 241001609370 Puschkinia scilloides Species 0.000 description 1
- QEFDIAQGSDRHQW-UHFFFAOYSA-N [O-2].[Cr+3].[Fe+2] Chemical compound [O-2].[Cr+3].[Fe+2] QEFDIAQGSDRHQW-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 229940117975 chromium trioxide Drugs 0.000 description 1
- GAMDZJFZMJECOS-UHFFFAOYSA-N chromium(6+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Cr+6] GAMDZJFZMJECOS-UHFFFAOYSA-N 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910003470 tongbaite Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/32—Obtaining chromium
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE428530A true BE428530A (enrdf_load_stackoverflow) |
Family
ID=88882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE428530D BE428530A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE428530A (enrdf_load_stackoverflow) |
-
0
- BE BE428530D patent/BE428530A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1263681B1 (fr) | Procede de production de monoxde de carbone par retroconversion inverse avec un catalyseur adapte | |
| EP1061040A1 (en) | Mass purification method of carbon nanotubes | |
| FR2735990A1 (fr) | Procede et dispositif pour la preparation d'un flux substantiellement epure en l'une au moins des impuretes oxygene et monoxyde de carbone | |
| EP1040080B1 (fr) | Procede pour oxyder directement en soufre, par voie catalytique et en phase vapeur, l'h 2?s contenu a faible teneur dans un gaz | |
| EP0811576B1 (fr) | Procédé et dispositif de préparation d'un fluide cryogénique à l'état liquide de haute pureté | |
| FR2584062A1 (fr) | Super purificateur pour l'azote et procede pour purifier ce gaz. | |
| FR2727101A1 (fr) | Procede pour oxyder directement en soufre par voie catalytique l'h2s contenu en faible concentration dans un gaz et catalyseur pour la mise en oeuvre de ce procede | |
| EP1270511B1 (fr) | Oxydes d'etain et d'indium | |
| EP0662595A1 (fr) | Procédé et dispositif pour la préparation d'azote liquide de haute pureté | |
| WO2004005185A1 (fr) | Procede de synthese de nitrure de calcium | |
| FR2649124A1 (fr) | Procede de traitement thermique de metaux sous atmosphere | |
| BE428530A (enrdf_load_stackoverflow) | ||
| EP0346218B1 (fr) | Procédé pour améliorer le rendement en soufre d'un ensemble de production de soufre à partir d'un gaz acide renfermant H2S, ledit ensemble comportant une usine à soufre suivie d'une unité d'épuration | |
| EP0335792A1 (fr) | Procédé de destruction d'hydrures contenus dans un gaz résiduaire et catalyseur pour sa mise en oeuvre | |
| CH207104A (fr) | Procédé pour obtenir du chrome en réduisant un composé chloré de chrome par de l'hydrogène. | |
| CA2495094A1 (fr) | Procede d'ouverture de nanotubes de carbone a leurs extremite et applications | |
| EP1542924A2 (fr) | Procede de purificatin d un gaz de synthese a base de sulfur e dhydrogene | |
| FR2480268A1 (fr) | Procede et appareil pour enrichir en fer-carbonyle un courant de gaz de recyclage | |
| FR2719039A1 (fr) | Nouveau procédé de déshydratation d'alcool par adsorption/regénération sur tamis moléculaire, et installation pour sa mise en Óoeuvre. | |
| FR2523113A1 (fr) | Procede de regeneration des chlorosilanes et de l'hydrogene non entres en reaction lors de l'obtention de silicium semi-conducteur polycristallin; chlorosilanes et hydrogene regeneres par ledit procede | |
| EP0001145B1 (fr) | Procédé de récupération sélective de chlore et d'anhydride carbonique d'un mélange gazeux | |
| WO2006042986A1 (fr) | Procede de production d'un gaz de synthese presentant un ratio h2/co inferieur a 2,5 | |
| BE660509A (enrdf_load_stackoverflow) | ||
| JPH0615132A (ja) | 不活性ガス中の微量不純ガス成分の除去方法および除去装置 | |
| BE392993A (enrdf_load_stackoverflow) |