DE60108371T2 - Schutz von magnesiumschmelze mittels fluorkohlenwasserstoffe enthaltender gasatmosphäre - Google Patents
Schutz von magnesiumschmelze mittels fluorkohlenwasserstoffe enthaltender gasatmosphäre Download PDFInfo
- Publication number
- DE60108371T2 DE60108371T2 DE60108371T DE60108371T DE60108371T2 DE 60108371 T2 DE60108371 T2 DE 60108371T2 DE 60108371 T DE60108371 T DE 60108371T DE 60108371 T DE60108371 T DE 60108371T DE 60108371 T2 DE60108371 T2 DE 60108371T2
- Authority
- DE
- Germany
- Prior art keywords
- magnesium
- fluorocarbon
- mixtures
- air
- gas
- 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
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims description 108
- 239000011777 magnesium Substances 0.000 title claims description 106
- 229910052749 magnesium Inorganic materials 0.000 title claims description 105
- -1 FLUOROCARBON HYDROGEN Chemical class 0.000 title description 7
- 239000001257 hydrogen Substances 0.000 title description 2
- 229910052739 hydrogen Inorganic materials 0.000 title description 2
- 239000000203 mixture Substances 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 30
- IYRWEQXVUNLMAY-UHFFFAOYSA-N carbonyl fluoride Chemical class FC(F)=O IYRWEQXVUNLMAY-UHFFFAOYSA-N 0.000 claims description 27
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 25
- 229910052731 fluorine Inorganic materials 0.000 claims description 19
- 239000008246 gaseous mixture Substances 0.000 claims description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 239000012159 carrier gas Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- GRVMOMUDALILLH-UHFFFAOYSA-N 1,1,1,2,4,5,5,5-octafluoro-2,4-bis(trifluoromethyl)pentan-3-one Chemical compound FC(F)(F)C(F)(C(F)(F)F)C(=O)C(F)(C(F)(F)F)C(F)(F)F GRVMOMUDALILLH-UHFFFAOYSA-N 0.000 claims description 2
- ABQIAHFCJGVSDJ-UHFFFAOYSA-N 1,1,1,3,4,4,4-heptafluoro-3-(trifluoromethyl)butan-2-one Chemical compound FC(F)(F)C(=O)C(F)(C(F)(F)F)C(F)(F)F ABQIAHFCJGVSDJ-UHFFFAOYSA-N 0.000 claims description 2
- YUMDTEARLZOACP-UHFFFAOYSA-N 2,2,3,3,4,4,5,5,6,6-decafluorocyclohexan-1-one Chemical compound FC1(F)C(=O)C(F)(F)C(F)(F)C(F)(F)C1(F)F YUMDTEARLZOACP-UHFFFAOYSA-N 0.000 claims description 2
- 238000012217 deletion Methods 0.000 claims 1
- 230000037430 deletion Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 70
- 239000010408 film Substances 0.000 description 35
- 239000003570 air Substances 0.000 description 32
- 229910052751 metal Inorganic materials 0.000 description 22
- 239000002184 metal Substances 0.000 description 22
- 150000001875 compounds Chemical class 0.000 description 19
- 238000010792 warming Methods 0.000 description 19
- 150000002576 ketones Chemical class 0.000 description 15
- 230000000873 masking effect Effects 0.000 description 12
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 9
- 239000011737 fluorine Substances 0.000 description 9
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 9
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- 238000005266 casting Methods 0.000 description 6
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 6
- VFZCPZOOBHMUBZ-UHFFFAOYSA-N [Mg].FOF Chemical compound [Mg].FOF VFZCPZOOBHMUBZ-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 231100000053 low toxicity Toxicity 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000000859 sublimation Methods 0.000 description 4
- 230000008022 sublimation Effects 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 4
- OLZDXDPSDUSGIS-UHFFFAOYSA-N sulfinylmagnesium Chemical class [Mg].S=O OLZDXDPSDUSGIS-UHFFFAOYSA-N 0.000 description 4
- 231100000331 toxic Toxicity 0.000 description 4
- 230000002588 toxic effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008033 biological extinction Effects 0.000 description 3
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N butyric aldehyde Natural products CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000006303 photolysis reaction Methods 0.000 description 3
- 230000015843 photosynthesis, light reaction Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- AMIMRNSIRUDHCM-UHFFFAOYSA-N Isopropylaldehyde Chemical compound CC(C)C=O AMIMRNSIRUDHCM-UHFFFAOYSA-N 0.000 description 2
- 229910000661 Mercury cadmium telluride Inorganic materials 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 2
- 229910017855 NH 4 F Inorganic materials 0.000 description 2
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 150000001265 acyl fluorides Chemical class 0.000 description 2
- 239000000926 atmospheric chemistry Substances 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000005431 greenhouse gas Substances 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- XNLICIUVMPYHGG-UHFFFAOYSA-N pentan-2-one Chemical compound CCCC(C)=O XNLICIUVMPYHGG-UHFFFAOYSA-N 0.000 description 2
- FDPIMTJIUBPUKL-UHFFFAOYSA-N pentan-3-one Chemical compound CCC(=O)CC FDPIMTJIUBPUKL-UHFFFAOYSA-N 0.000 description 2
- 239000011698 potassium fluoride Substances 0.000 description 2
- 235000003270 potassium fluoride Nutrition 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 206010037844 rash Diseases 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 239000013638 trimer Substances 0.000 description 2
- XEMRAKSQROQPBR-UHFFFAOYSA-N (trichloromethyl)benzene Chemical compound ClC(Cl)(Cl)C1=CC=CC=C1 XEMRAKSQROQPBR-UHFFFAOYSA-N 0.000 description 1
- OKIYQFLILPKULA-UHFFFAOYSA-N 1,1,1,2,2,3,3,4,4-nonafluoro-4-methoxybutane Chemical compound COC(F)(F)C(F)(F)C(F)(F)C(F)(F)F OKIYQFLILPKULA-UHFFFAOYSA-N 0.000 description 1
- CSUFEOXMCRPQBB-UHFFFAOYSA-N 1,1,2,2-tetrafluoropropan-1-ol Chemical compound CC(F)(F)C(O)(F)F CSUFEOXMCRPQBB-UHFFFAOYSA-N 0.000 description 1
- PBVZTJDHQVIHFR-UHFFFAOYSA-N 1,1,2,3,3,3-hexafluoroprop-1-ene Chemical compound FC(F)=C(F)C(F)(F)F.FC(F)=C(F)C(F)(F)F PBVZTJDHQVIHFR-UHFFFAOYSA-N 0.000 description 1
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
- LRMSQVBRUNSOJL-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanoic acid Chemical compound OC(=O)C(F)(F)C(F)(F)F LRMSQVBRUNSOJL-UHFFFAOYSA-N 0.000 description 1
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- 239000007818 Grignard reagent Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000007059 acute toxicity Effects 0.000 description 1
- 231100000403 acute toxicity Toxicity 0.000 description 1
- 150000001263 acyl chlorides Chemical class 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N anhydrous diethylene glycol Natural products OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- MKJQIOMCOYQKNP-UHFFFAOYSA-N bromomethane;magnesium Chemical compound [Mg].BrC MKJQIOMCOYQKNP-UHFFFAOYSA-N 0.000 description 1
- MCMSPRNYOJJPIZ-UHFFFAOYSA-N cadmium;mercury;tellurium Chemical compound [Cd]=[Te]=[Hg] MCMSPRNYOJJPIZ-UHFFFAOYSA-N 0.000 description 1
- 238000004177 carbon cycle Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000001728 carbonyl compounds Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000779 depleting effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- RCJVRSBWZCNNQT-UHFFFAOYSA-N dichloridooxygen Chemical compound ClOCl RCJVRSBWZCNNQT-UHFFFAOYSA-N 0.000 description 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006253 efflorescence Methods 0.000 description 1
- 238000004710 electron pair approximation Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000001030 gas--liquid chromatography Methods 0.000 description 1
- 150000004795 grignard reagents Chemical class 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 1
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 1
- QENHCSSJTJWZAL-UHFFFAOYSA-N magnesium sulfide Chemical compound [Mg+2].[S-2] QENHCSSJTJWZAL-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 208000037974 severe injury Diseases 0.000 description 1
- 230000009528 severe injury Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000011775 sodium fluoride Substances 0.000 description 1
- 235000013024 sodium fluoride Nutrition 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000005437 stratosphere Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
- 231100000925 very toxic Toxicity 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
- C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
- C22B26/20—Obtaining alkaline earth metals or magnesium
- C22B26/22—Obtaining magnesium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
- B22D1/002—Treatment with gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
- B22D21/002—Castings of light metals
- B22D21/007—Castings of light metals with low melting point, e.g. Al 659 degrees C, Mg 650 degrees C
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
- C07C45/69—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by addition to carbon-to-carbon double or triple bonds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/85—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/04—Saturated compounds containing keto groups bound to acyclic carbon atoms
- C07C49/16—Saturated compounds containing keto groups bound to acyclic carbon atoms containing halogen
- C07C49/167—Saturated compounds containing keto groups bound to acyclic carbon atoms containing halogen containing only fluorine as halogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/385—Saturated compounds containing a keto group being part of a ring
- C07C49/457—Saturated compounds containing a keto group being part of a ring containing halogen
- C07C49/463—Saturated compounds containing a keto group being part of a ring containing halogen a keto group being part of a six-membered ring
-
- 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
- C22B21/00—Obtaining aluminium
- C22B21/0084—Obtaining aluminium melting and handling molten aluminium
-
- 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
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
-
- 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
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
- C22B21/064—Obtaining aluminium refining using inert or reactive gases
-
- 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
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/006—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with use of an inert protective material including the use of an inert gas
-
- 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
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/146—Perfluorocarbons [PFC]; Hydrofluorocarbons [HFC]; Sulfur hexafluoride [SF6]
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US20216900P | 2000-05-04 | 2000-05-04 | |
| US202169P | 2000-05-04 | ||
| US780256 | 2001-02-09 | ||
| US09/780,256 US6537346B2 (en) | 2000-05-04 | 2001-02-09 | Molten magnesium cover gas using fluorocarbons |
| PCT/US2001/009899 WO2001083836A2 (en) | 2000-05-04 | 2001-03-28 | Protection of molten magnesium with a cover gas using fluorocarbons |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE60108371D1 DE60108371D1 (de) | 2005-02-17 |
| DE60108371T2 true DE60108371T2 (de) | 2005-12-22 |
Family
ID=26897426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60108371T Expired - Lifetime DE60108371T2 (de) | 2000-05-04 | 2001-03-28 | Schutz von magnesiumschmelze mittels fluorkohlenwasserstoffe enthaltender gasatmosphäre |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6537346B2 (enExample) |
| EP (1) | EP1278897B1 (enExample) |
| JP (1) | JP4773668B2 (enExample) |
| KR (1) | KR100727502B1 (enExample) |
| AU (1) | AU2001252990A1 (enExample) |
| DE (1) | DE60108371T2 (enExample) |
| IL (1) | IL147202A0 (enExample) |
| MX (1) | MXPA01013455A (enExample) |
| NO (1) | NO20020027L (enExample) |
| WO (1) | WO2001083836A2 (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AUPQ001599A0 (en) * | 1999-04-28 | 1999-05-20 | Cast Centre Pty Ltd | Gaseous compositions |
| US6780220B2 (en) * | 2000-05-04 | 2004-08-24 | 3M Innovative Properties Company | Method for generating pollution credits while processing reactive metals |
| US6685764B2 (en) * | 2000-05-04 | 2004-02-03 | 3M Innovative Properties Company | Processing molten reactive metals and alloys using fluorocarbons as cover gas |
| US7776132B2 (en) * | 2003-02-28 | 2010-08-17 | Taiyo Nippon Sanso Corporation | Molten metal treatment, method for treating molten metal, and apparatus and method for feeding cover gas to molten metal |
| JP4637594B2 (ja) * | 2005-01-20 | 2011-02-23 | 大陽日酸株式会社 | マグネシウムの溶解方法および溶解装置 |
| JP2006258347A (ja) * | 2005-03-16 | 2006-09-28 | Taiyo Nippon Sanso Corp | マグネシウム溶解装置及びマグネシウム溶解装置へのカバーガス供給方法 |
| JP4627045B2 (ja) | 2005-04-27 | 2011-02-09 | セントラル硝子株式会社 | 金属製造保護ガス |
| CA2628960C (en) | 2005-12-01 | 2010-10-19 | Central Glass Company, Limited | Protective gas composition for magnesium/magnesium alloy production and combustion preventing method |
| JP4504914B2 (ja) * | 2005-12-19 | 2010-07-14 | 株式会社神戸製鋼所 | アルミニウム鋳塊の製造方法、アルミニウム鋳塊、およびアルミニウム鋳塊の製造用保護ガス |
| US20080003127A1 (en) * | 2006-07-03 | 2008-01-03 | Honeywell International Inc. | Non-Ferrous Metal Cover Gases |
| US20080000647A1 (en) * | 2006-07-03 | 2008-01-03 | Honeywell International Inc. | Non-Ferrous Metal Cover Gases |
| US20100242677A1 (en) * | 2006-07-03 | 2010-09-30 | Honeywell International Inc. | Non-ferrous metal cover gases |
| JP2008116108A (ja) * | 2006-11-02 | 2008-05-22 | Taiyo Nippon Sanso Corp | カバーガスの供給方法 |
| KR102325010B1 (ko) * | 2019-12-20 | 2021-11-10 | 주식회사 포스코 | 마그네슘 합금 용탕 보호 가스 공급 장치 |
| CN115074562A (zh) * | 2022-08-03 | 2022-09-20 | 万丰镁瑞丁新材料科技有限公司 | 一种镁及镁合金熔炼过程中的保护方法及装置 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB192238A (en) * | 1921-11-30 | 1923-02-01 | Partridge & Love Ltd | Improvements in collapsible struts or supports for advertising showcards, displays or the like |
| US1972317A (en) | 1932-06-17 | 1934-09-04 | Dow Chemical Co | Method for inhibiting the oxidation of readily oxidizable metals |
| US2869432A (en) | 1953-07-04 | 1959-01-20 | Sedlaczek Herbert | Hot machining of metal ingots |
| US3185734A (en) | 1960-10-25 | 1965-05-25 | Du Pont | Novel polyfluoro-substituted ketones and their preparation from polyfluoro acid fluorides |
| DE1668395C3 (de) | 1966-07-11 | 1978-06-15 | Montecatini Edison S.P.A., Mailand (Italien) | Perfluorierte Ketone und Verfahren zu deren Herstellung |
| US4173538A (en) * | 1975-10-08 | 1979-11-06 | Herbline Celestin L | Extinguishing product comprising an uninflammable powder and liquid |
| US4659377A (en) | 1979-05-23 | 1987-04-21 | Nl Industries, Inc. | Method for producing an oxidation resistant magnesium alloy melt |
| US4457775A (en) * | 1983-05-19 | 1984-07-03 | Amax Inc. | Salt-coated magnesium granules |
| US4770697A (en) * | 1986-10-30 | 1988-09-13 | Air Products And Chemicals, Inc. | Blanketing atmosphere for molten aluminum-lithium alloys or pure lithium |
| EP0609200A1 (en) | 1988-12-02 | 1994-08-10 | Minnesota Mining And Manufacturing Company | Direct fluorination process for making perfluorinated organic substances |
| JPH082893B2 (ja) | 1991-04-16 | 1996-01-17 | 信越化学工業株式会社 | パーフルオロ環状ケトン及びその製造法 |
| JPH05214384A (ja) | 1992-02-06 | 1993-08-24 | Asahi Chem Ind Co Ltd | ２ｈ，５ｈ−パーフルオロヘキサン洗浄用溶剤 |
| US5466877A (en) | 1994-03-15 | 1995-11-14 | Minnesota Mining And Manufacturing Company | Process for converting perfluorinated esters to perfluorinated acyl fluorides and/or ketones |
| US5718293A (en) * | 1995-01-20 | 1998-02-17 | Minnesota Mining And Manufacturing Company | Fire extinguishing process and composition |
| JPH10231499A (ja) | 1997-02-20 | 1998-09-02 | Toshiba Corp | 不燃性または難燃性蒸気洗浄組成物 |
| US5855647A (en) * | 1997-05-15 | 1999-01-05 | American Air Liquide, Inc. | Process for recovering SF6 from a gas |
| DE19747002C2 (de) | 1997-10-24 | 2000-09-21 | Audi Ag | Verfahren zum Betreiben eines Magnesiumschmelzofens |
| AUPQ001599A0 (en) | 1999-04-28 | 1999-05-20 | Cast Centre Pty Ltd | Gaseous compositions |
| WO2001005468A2 (en) | 1999-07-20 | 2001-01-25 | 3M Innovative Properties Company | Use of fluorinated ketones in fire extinguishing compositions |
| US6398844B1 (en) | 2000-02-07 | 2002-06-04 | Air Products And Chemicals, Inc. | Blanketing molten nonferrous metals and alloys with gases having reduced global warming potential |
| US6521018B2 (en) * | 2000-02-07 | 2003-02-18 | Air Products And Chemicals, Inc. | Blanketing metals and alloys at elevated temperatures with gases having reduced global warming potential |
-
2001
- 2001-02-09 US US09/780,256 patent/US6537346B2/en not_active Expired - Lifetime
- 2001-03-28 IL IL14720201A patent/IL147202A0/xx unknown
- 2001-03-28 AU AU2001252990A patent/AU2001252990A1/en not_active Abandoned
- 2001-03-28 MX MXPA01013455A patent/MXPA01013455A/es unknown
- 2001-03-28 WO PCT/US2001/009899 patent/WO2001083836A2/en not_active Ceased
- 2001-03-28 JP JP2001580443A patent/JP4773668B2/ja not_active Expired - Fee Related
- 2001-03-28 KR KR1020027000054A patent/KR100727502B1/ko not_active Expired - Fee Related
- 2001-03-28 EP EP01926456A patent/EP1278897B1/en not_active Expired - Lifetime
- 2001-03-28 DE DE60108371T patent/DE60108371T2/de not_active Expired - Lifetime
-
2002
- 2002-01-03 NO NO20020027A patent/NO20020027L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IL147202A0 (en) | 2002-08-14 |
| WO2001083836A3 (en) | 2002-02-07 |
| WO2001083836A2 (en) | 2001-11-08 |
| JP2003531965A (ja) | 2003-10-28 |
| JP4773668B2 (ja) | 2011-09-14 |
| AU2001252990A1 (en) | 2001-11-12 |
| NO20020027L (no) | 2002-02-07 |
| EP1278897B1 (en) | 2005-01-12 |
| KR20020065466A (ko) | 2002-08-13 |
| DE60108371D1 (de) | 2005-02-17 |
| NO20020027D0 (no) | 2002-01-03 |
| US6537346B2 (en) | 2003-03-25 |
| US20030034094A1 (en) | 2003-02-20 |
| MXPA01013455A (es) | 2002-07-30 |
| KR100727502B1 (ko) | 2007-06-14 |
| EP1278897A2 (en) | 2003-01-29 |
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| 8364 | No opposition during term of opposition |