CN109317173A - A kind of preparation method of the modified cobalt carbide material of the metallic element of straight forming - Google Patents
A kind of preparation method of the modified cobalt carbide material of the metallic element of straight forming Download PDFInfo
- Publication number
- CN109317173A CN109317173A CN201811159927.4A CN201811159927A CN109317173A CN 109317173 A CN109317173 A CN 109317173A CN 201811159927 A CN201811159927 A CN 201811159927A CN 109317173 A CN109317173 A CN 109317173A
- Authority
- CN
- China
- Prior art keywords
- nitrate
- chloride
- cobalt
- sulfate
- modified
- 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.)
- Granted
Links
- 150000001868 cobalt Chemical class 0.000 title claims abstract description 57
- 239000000463 material Substances 0.000 title claims abstract description 41
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000007864 aqueous solution Substances 0.000 claims abstract description 42
- 239000000084 colloidal system Substances 0.000 claims abstract description 41
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 40
- 239000010941 cobalt Substances 0.000 claims abstract description 40
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000000243 solution Substances 0.000 claims abstract description 36
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000000661 sodium alginate Substances 0.000 claims abstract description 35
- 235000010413 sodium alginate Nutrition 0.000 claims abstract description 35
- 229940005550 sodium alginate Drugs 0.000 claims abstract description 35
- 238000000465 moulding Methods 0.000 claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 9
- 150000003839 salts Chemical class 0.000 claims abstract description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 10
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 claims description 9
- 229910001981 cobalt nitrate Inorganic materials 0.000 claims description 9
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 claims description 9
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 claims description 8
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims description 8
- OERNJTNJEZOPIA-UHFFFAOYSA-N zirconium nitrate Chemical compound [Zr+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O OERNJTNJEZOPIA-UHFFFAOYSA-N 0.000 claims description 8
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical group [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052763 palladium Inorganic materials 0.000 claims description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052793 cadmium Inorganic materials 0.000 claims description 5
- 229910052684 Cerium Inorganic materials 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 4
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 claims description 4
- 239000011609 ammonium molybdate Substances 0.000 claims description 4
- 235000018660 ammonium molybdate Nutrition 0.000 claims description 4
- 229940010552 ammonium molybdate Drugs 0.000 claims description 4
- 229910052788 barium Inorganic materials 0.000 claims description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 4
- XIEPJMXMMWZAAV-UHFFFAOYSA-N cadmium nitrate Inorganic materials [Cd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XIEPJMXMMWZAAV-UHFFFAOYSA-N 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 239000011575 calcium Substances 0.000 claims description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 4
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 239000011651 chromium Substances 0.000 claims description 4
- PHFQLYPOURZARY-UHFFFAOYSA-N chromium trinitrate Chemical compound [Cr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PHFQLYPOURZARY-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 4
- CHPZKNULDCNCBW-UHFFFAOYSA-N gallium nitrate Chemical compound [Ga+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O CHPZKNULDCNCBW-UHFFFAOYSA-N 0.000 claims description 4
- UPWPDUACHOATKO-UHFFFAOYSA-K gallium trichloride Chemical compound Cl[Ga](Cl)Cl UPWPDUACHOATKO-UHFFFAOYSA-K 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims description 4
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims description 4
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical compound [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 239000011572 manganese Substances 0.000 claims description 4
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- 239000010955 niobium Substances 0.000 claims description 4
- TYOIKSXJQXGLFR-UHFFFAOYSA-N niobium nitric acid Chemical compound [Nb].[N+](=O)(O)[O-] TYOIKSXJQXGLFR-UHFFFAOYSA-N 0.000 claims description 4
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 claims description 4
- NMHMNPHRMNGLLB-UHFFFAOYSA-N phloretic acid Chemical compound OC(=O)CCC1=CC=C(O)C=C1 NMHMNPHRMNGLLB-UHFFFAOYSA-N 0.000 claims description 4
- NWAHZABTSDUXMJ-UHFFFAOYSA-N platinum(2+);dinitrate Chemical compound [Pt+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O NWAHZABTSDUXMJ-UHFFFAOYSA-N 0.000 claims description 4
- RWRDJVNMSZYMDV-UHFFFAOYSA-L radium chloride Chemical compound [Cl-].[Cl-].[Ra+2] RWRDJVNMSZYMDV-UHFFFAOYSA-L 0.000 claims description 4
- 229910001630 radium chloride Inorganic materials 0.000 claims description 4
- 229910052703 rhodium Inorganic materials 0.000 claims description 4
- 239000010948 rhodium Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 4
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims description 4
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 4
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 4
- 229960001763 zinc sulfate Drugs 0.000 claims description 4
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical group [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- 229910021555 Chromium Chloride Inorganic materials 0.000 claims description 2
- 229910021380 Manganese Chloride Inorganic materials 0.000 claims description 2
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 claims description 2
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 claims description 2
- 229910001626 barium chloride Inorganic materials 0.000 claims description 2
- QCUOBSQYDGUHHT-UHFFFAOYSA-L cadmium sulfate Chemical compound [Cd+2].[O-]S([O-])(=O)=O QCUOBSQYDGUHHT-UHFFFAOYSA-L 0.000 claims description 2
- 229910000331 cadmium sulfate Inorganic materials 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- VYLVYHXQOHJDJL-UHFFFAOYSA-K cerium trichloride Chemical compound Cl[Ce](Cl)Cl VYLVYHXQOHJDJL-UHFFFAOYSA-K 0.000 claims description 2
- OZECDDHOAMNMQI-UHFFFAOYSA-H cerium(3+);trisulfate Chemical compound [Ce+3].[Ce+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O OZECDDHOAMNMQI-UHFFFAOYSA-H 0.000 claims description 2
- 229910000333 cerium(III) sulfate Inorganic materials 0.000 claims description 2
- 238000005660 chlorination reaction Methods 0.000 claims description 2
- QSWDMMVNRMROPK-UHFFFAOYSA-K chromium(3+) trichloride Chemical compound [Cl-].[Cl-].[Cl-].[Cr+3] QSWDMMVNRMROPK-UHFFFAOYSA-K 0.000 claims description 2
- GRWVQDDAKZFPFI-UHFFFAOYSA-H chromium(III) sulfate Chemical compound [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRWVQDDAKZFPFI-UHFFFAOYSA-H 0.000 claims description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 2
- 229940044658 gallium nitrate Drugs 0.000 claims description 2
- 229910000373 gallium sulfate Inorganic materials 0.000 claims description 2
- SBDRYJMIQMDXRH-UHFFFAOYSA-N gallium;sulfuric acid Chemical compound [Ga].OS(O)(=O)=O SBDRYJMIQMDXRH-UHFFFAOYSA-N 0.000 claims description 2
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 2
- VQEHIYWBGOJJDM-UHFFFAOYSA-H lanthanum(3+);trisulfate Chemical compound [La+3].[La+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O VQEHIYWBGOJJDM-UHFFFAOYSA-H 0.000 claims description 2
- ICAKDTKJOYSXGC-UHFFFAOYSA-K lanthanum(iii) chloride Chemical compound Cl[La](Cl)Cl ICAKDTKJOYSXGC-UHFFFAOYSA-K 0.000 claims description 2
- 229910052745 lead Inorganic materials 0.000 claims description 2
- 239000011133 lead Substances 0.000 claims description 2
- 239000011565 manganese chloride Substances 0.000 claims description 2
- 235000002867 manganese chloride Nutrition 0.000 claims description 2
- 229940099607 manganese chloride Drugs 0.000 claims description 2
- 229940099596 manganese sulfate Drugs 0.000 claims description 2
- 239000011702 manganese sulphate Substances 0.000 claims description 2
- 235000007079 manganese sulphate Nutrition 0.000 claims description 2
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 2
- WEZFSPBRWBWQSI-UHFFFAOYSA-N niobium sulfuric acid Chemical compound [Nb].S(O)(O)(=O)=O WEZFSPBRWBWQSI-UHFFFAOYSA-N 0.000 claims description 2
- GPNDARIEYHPYAY-UHFFFAOYSA-N palladium(ii) nitrate Chemical compound [Pd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O GPNDARIEYHPYAY-UHFFFAOYSA-N 0.000 claims description 2
- YHBDIEWMOMLKOO-UHFFFAOYSA-I pentachloroniobium Chemical compound Cl[Nb](Cl)(Cl)(Cl)Cl YHBDIEWMOMLKOO-UHFFFAOYSA-I 0.000 claims description 2
- CLSUSRZJUQMOHH-UHFFFAOYSA-L platinum dichloride Chemical compound Cl[Pt]Cl CLSUSRZJUQMOHH-UHFFFAOYSA-L 0.000 claims description 2
- VXNYVYJABGOSBX-UHFFFAOYSA-N rhodium(3+);trinitrate Chemical compound [Rh+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VXNYVYJABGOSBX-UHFFFAOYSA-N 0.000 claims description 2
- YWFDDXXMOPZFFM-UHFFFAOYSA-H rhodium(3+);trisulfate Chemical compound [Rh+3].[Rh+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O YWFDDXXMOPZFFM-UHFFFAOYSA-H 0.000 claims description 2
- 238000001291 vacuum drying Methods 0.000 claims description 2
- 239000011592 zinc chloride Substances 0.000 claims description 2
- 235000005074 zinc chloride Nutrition 0.000 claims description 2
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 claims description 2
- WXYNCCWBUXKSBG-UHFFFAOYSA-N copper;nitric acid Chemical compound [Cu].O[N+]([O-])=O WXYNCCWBUXKSBG-UHFFFAOYSA-N 0.000 claims 1
- XIFFNSGJZPAYQJ-UHFFFAOYSA-N sulfuric acid;zirconium Chemical compound [Zr].OS(O)(=O)=O XIFFNSGJZPAYQJ-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 229910021213 Co2C Inorganic materials 0.000 description 18
- 238000003825 pressing Methods 0.000 description 17
- 239000011734 sodium Substances 0.000 description 14
- 235000010443 alginic acid Nutrition 0.000 description 13
- 229920000615 alginic acid Polymers 0.000 description 13
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 12
- 229960001126 alginic acid Drugs 0.000 description 12
- 239000000783 alginic acid Substances 0.000 description 12
- 150000004781 alginic acids Chemical class 0.000 description 12
- 229910052708 sodium Inorganic materials 0.000 description 12
- 239000007788 liquid Substances 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 239000005864 Sulphur Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- KTPIHRZQGZDLSN-UHFFFAOYSA-N cobalt;nitric acid Chemical compound [Co].O[N+]([O-])=O KTPIHRZQGZDLSN-UHFFFAOYSA-N 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 4
- 241001474374 Blennius Species 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- -1 polysaccharide carbohydrate Chemical class 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- RFYUQSQGLHNNOY-UHFFFAOYSA-N cobalt;sulfuric acid Chemical compound [Co].OS(O)(=O)=O RFYUQSQGLHNNOY-UHFFFAOYSA-N 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 description 1
- 241000512259 Ascophyllum nodosum Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000199919 Phaeophyceae Species 0.000 description 1
- 241000195474 Sargassum Species 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical class O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229940072056 alginate Drugs 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- ZXAUZSQITFJWPS-UHFFFAOYSA-J zirconium(4+);disulfate Chemical compound [Zr+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZXAUZSQITFJWPS-UHFFFAOYSA-J 0.000 description 1
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/20—Carbon compounds
- B01J27/22—Carbides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
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Abstract
It is 14-60wt% homogeneous phase aqueous solution A that a kind of preparation method of the modified cobalt carbide material of the metallic element of straight forming, which is by sodium alginate powder configuration concentration,；The aqueous solution B that concentration is 10-80wt% is configured by soluble modified metal salt and soluble cobalt；By sodium alginate: cobalt salt molar ratio=0.2-18, the solution B that solution A is instilled dropwise in stirring obtain spherical colloid；By the filtering of gained spherical colloid, it is dried to obtain dry bulb；Roasting obtains the modified cobalt carbide material of molding metallic element under anoxybiotic atmosphere.The advantage that the present invention has method simple, at low cost.
Description
Technical field
The invention belongs to nano material preparation technologies, and in particular to a kind of modified cobalt carbide material of the metallic element of straight forming
The preparation method of material.
Background technique
The modified cobalt carbide material of metallic element has a wide range of applications in fields such as synthesis gas conversions, currently, existing metal
The preparation of element modified cobalt carbide material often uses infusion process or coprecipitation, but carbon modified prepared by this common method
There are distributions of metallic elements for change cobalt material unevenly, in reaction process is easy the shortcomings that mutually separating of reuniting and occur.In addition, being formed
The process of cobalt carbide generally requires the carburization agents such as methane, carbon monoxide, and the cobalt carbide material after synthesis also needs that glue is added
Glutinous agent etc. carries out forming process, increases the economic cost of synthetic material, and the adhesive of molding also tends to material materialization
Property generates the uncertain application for influencing to restrict material.
Summary of the invention
The object of the present invention is to provide a kind of method is simple, at low cost directly prepares the modified carbonization of molding metallic element
Cobalt MATERIALS METHODS.
Sodium alginate (Sodium Alginate, NaAlg, abbreviation AGS) is extracted from the kelp or sargassum of brown algae
A kind of polysaccharide carbohydrate, be by the poly- 13-D- mannuronic acid of Isosorbide-5-Nitrae-(writing a Chinese character in simplified form: M) and a-L- guluronic acid (write a Chinese character in simplified form:
G) form a kind of linear polymer, be one of alginic acid derivative, thus sometimes referred to as sodium alginate or seaweed gel and
Seaweed glue, molecular formula are (C6H7O6Na) n, relative molecular weight 32000-200000 or so, manage by structural unit molecular weight
It is 198.11 by value.
The present invention is using sodium alginate as crosslinking agent, and preparation principle of the invention is as follows:
The present invention is that sodium alginate is utilized quick ion can to occur with metal ion under conditions of extremely mild
Exchange reaction is to form alginate hydrogel, i.e., the Na in the presence of ought having metal ion, on a-L- guluronic acid units
Ion-exchange reactions occurs for ion and metal ion, and a-L- guluronic acid units are accumulated to form cross-linked network structure, therefore shape
At gel.
Preparation method of the invention, includes the following steps:
Configuring sodium alginate powder at 30-60 DEG C concentration is 14-60wt% homogeneous phase aqueous solution A；By modified metal
Salt: cobalt salt molar ratio=0.1-20, configuring concentration for soluble modified metal salt and soluble cobalt is 10-80wt%'s
Aqueous solution B；By sodium alginate: cobalt salt molar ratio=0.2-18, the solution B that solution A is instilled dropwise in stirring obtain spherical glue
Body；By the filtering of gained spherical colloid, vacuum drying obtains dry bulb at 60-120 DEG C；In 300-1000 degree under anoxybiotic atmosphere
Roasting obtains the modified cobalt carbide material of molding metallic element.
Metallic element as described above be Ca, Ba, Nb, Rh, Pd, Pb, Cd, Ga, La, Zr, Ce, Zn, Mn, Cu, Fe, Cr,
One of Mo, W.Soluble metallic salt be calcium chloride, calcium nitrate, calcium sulfate, barium chloride, barium nitrate, barium sulfate, niobium chloride,
Nitric acid niobium, sulfuric acid niobium, radium chloride, rhodium nitrate, rhodium sulfate, palladium chloride, palladium nitrate, palladium sulfate, platinum chloride, platinum nitrate, platinic sulfate,
Caddy, cadmium nitrate, cadmium sulfate, gallium chloride, gallium nitrate, gallium sulfate, lanthanum chloride, lanthanum nitrate, lanthanum sulfate, zirconium chloride, zirconium nitrate,
Zirconium sulfate, cerium chloride, cerous nitrate, cerous sulfate, zinc chloride, zinc nitrate, zinc sulfate, manganese chloride, manganese nitrate, manganese sulfate, copper chloride,
Copper nitrate, copper sulphate, iron chloride, ferric nitrate, ferric sulfate, chromium chloride, chromic nitrate, chromium sulfate, ammonium molybdate or ammonium tungstate.
Cobalt salt as described above is cobalt chloride, cobalt nitrate or cobaltous sulfate.
Anoxybiotic atmosphere as described above is N2、Ar、He、CO、CO2、CH4。
The method flow of the present invention for preparing the modified cobalt carbide material of molding metallic element is simple, at low cost, holds
It is easy to operate, mass production can be expected to.By adjusting the introduction volume of sodium alginate, regulating and controlling the ratio of metallic element and cobalt element, into
And obtain particle scale uniformly, the element modified cobalt carbide material of different metal of compound with regular structure.
Detailed description of the invention
Fig. 1 is the modified cobalt carbide material of molding Ce
Specific embodiment
Below with reference to specific implementation case, the present invention is further explained, it should be understood that these embodiments are merely to illustrate this hair
Bright two are not used in and limit the scope of the invention, and those skilled in the art fall within this to the modification of various equivalent forms of the invention
The secondary claim limited range of application institute.
Embodiment 1
Configure 100 grams of sodium alginate powder under 50 degree 200 milliliters of homogeneous phase aqueous solution 1；By cerous nitrate and chlorine
Change cobalt (cerous nitrate: cobalt chloride=0.1, molar ratio) and is configured to 100 milliliters of mass fraction as the aqueous solution 2 of 10wt%；It will be molten
Liquid A obtains spherical colloid using the solution B that syringe is instilled dropwise in stirring；Gained spherical colloid is filtered, is true under 80 degree
Sky is dried to obtain dry bulb；In N2Molding cerium modified cobalt carbide material is obtained in 300 degree of roastings under atmosphere, wherein pressing alginic acid
Sodium: cobalt salt molar ratio=8.7, cerium and cobalt carbide (Co2C molar ratio) is 0.2.
Embodiment 2
Configure 10 grams of sodium alginate powder under 30 degree 20 milliliters of homogeneous phase aqueous solution 1；By zinc sulfate and nitric acid
Cobalt (zinc sulfate: cobalt nitrate=10, molar ratio) is configured to 200 milliliters of mass fraction as the aqueous solution 2 of 50wt%；By solution 1
The solution 2 instilled in stirring dropwise using syringe obtains spherical colloid；By the filtering of gained spherical colloid, the vacuum under 120 degree
It is dried to obtain dry bulb；Molding zinc modification cobalt carbide material is obtained in 600 degree of roastings under an ar atmosphere, wherein pressing alginic acid
Sodium: cobalt salt molar ratio=0.2, zinc and cobalt carbide (Co2C molar ratio) is 20.
Embodiment 3
Configure 50 grams of sodium alginate powder under 40 degree 100 milliliters of homogeneous phase aqueous solution 1；By manganese nitrate and sulfuric acid
Cobalt (manganese nitrate: cobaltous sulfate=1, molar ratio) is configured to 300 milliliters of mass fraction as the aqueous solution 2 of 80wt%；Solution 1 is adopted
The solution 2 instilled in stirring dropwise with syringe obtains spherical colloid；By the filtering of gained spherical colloid, vacuum is done under 100 degree
It is dry to obtain dry bulb；In CH4The modified cobalt carbide material of molding manganese is obtained in 400 degree of roastings under atmosphere, wherein pressing sodium alginate:
Cobalt salt molar ratio=0.5, manganese and cobalt carbide (Co2C molar ratio) is 2.
Embodiment 4
Configure 25 grams of sodium alginate powder under 35 degree 150 milliliters of homogeneous phase aqueous solution 1；By copper chloride and nitric acid
Cobalt (copper chloride: cobalt nitrate=5, molar ratio) is configured to 150 milliliters of mass fraction as the aqueous solution 2 of 30wt%；Solution 1 is adopted
The solution 2 instilled in stirring dropwise with syringe obtains spherical colloid；It is dried in vacuo by the filtering of gained spherical colloid, under 90 degree
Obtain dry bulb；The modified cobalt carbide material of molding copper is obtained in 500 degree of roastings under CO atmosphere, wherein pressing sodium alginate: cobalt
Salt molar ratio=0.9, copper and cobalt carbide (Co2C molar ratio) is 10.
Embodiment 5
Configure 75 grams of sodium alginate powder under 45 degree 50 milliliters of homogeneous phase aqueous solution 1；By iron chloride and chlorination
Cobalt (iron chloride: cobalt chloride=0.5, molar ratio) is configured to 250 milliliters of mass fraction as the aqueous solution 2 of 60wt%；By solution 1
The solution 2 instilled in stirring dropwise using syringe obtains spherical colloid；By the filtering of gained spherical colloid, vacuum is done under 85 degree
It is dry to obtain dry bulb；In CH4The modified cobalt carbide material of molding iron is obtained in 350 degree of roastings under atmosphere, wherein pressing sodium alginate:
Cobalt salt molar ratio=0.6, iron and cobalt carbide (Co2C molar ratio) is 1.
Embodiment 6
Configure 20 grams of sodium alginate powder under 37 degree 75 milliliters of homogeneous phase aqueous solution 1；By chromic nitrate and nitric acid
Cobalt (chromic nitrate: cobalt nitrate=0.8, molar ratio) is configured to 120 milliliters of mass fraction as the aqueous solution 2 of 20wt%；By solution 1
The solution 2 instilled in stirring dropwise using syringe obtains spherical colloid；By the filtering of gained spherical colloid, the vacuum under 115 degree
It is dried to obtain dry bulb；The modified cobalt carbide material of molding chromium is obtained in 800 degree of roastings under He atmosphere, wherein pressing alginic acid
Sodium: cobalt salt molar ratio=1.4, chromium and cobalt carbide (Co2C molar ratio) is 1.6.
Embodiment 7
Configure 40 grams of sodium alginate powder under 44 degree 125 milliliters of homogeneous phase aqueous solution 1；By zirconium nitrate and sulfuric acid
Cobalt (zirconium nitrate: cobaltous sulfate=2.5, molar ratio) is configured to 180 milliliters of mass fraction as the aqueous solution 2 of 40wt%；By solution 1
The solution 2 instilled in stirring dropwise using syringe obtains spherical colloid；By the filtering of gained spherical colloid, vacuum is done under 85 degree
It is dry to obtain dry bulb；In N2Molding modified zirconia cobalt carbide material is obtained in 700 degree of roastings under atmosphere, wherein pressing sodium alginate:
Cobalt salt molar ratio=1.3, zirconium and cobalt carbide (Co2C molar ratio) is 5.
Embodiment 8
Configure 35 grams of sodium alginate powder under 47 degree 90 milliliters of homogeneous phase aqueous solution 1；By ammonium molybdate and nitric acid
Cobalt (ammonium molybdate: cobalt nitrate=1.8, molar ratio) is configured to 230 milliliters of mass fraction as the aqueous solution 2 of 70wt%；By solution 1
The solution 2 instilled in stirring dropwise using syringe obtains spherical colloid；By the filtering of gained spherical colloid, vacuum is done under 93 degree
It is dry to obtain dry bulb；The modified cobalt carbide material of molding molybdenum is obtained in 650 degree of roastings under an ar atmosphere, wherein pressing sodium alginate:
Cobalt salt molar ratio=0.5, molybdenum and cobalt carbide (Co2C molar ratio) is 6.3.
Embodiment 9
Configure 500 grams of sodium alginate powder under 60 degree 1000 milliliters of homogeneous phase aqueous solution 1；By ammonium tungstate and nitre
Sour cobalt (ammonium tungstate: cobalt chloride=0.8, molar ratio) is configured to 280 milliliters of mass fraction as the aqueous solution 2 of 15wt%；It will be molten
Liquid 1 obtains spherical colloid using the solution 2 that syringe is instilled dropwise in stirring；Gained spherical colloid is filtered, is true under 120 degree
Sky is dried to obtain dry bulb；In N2The modified cobalt carbide material of molding tungsten is obtained in 630 degree of roastings under atmosphere, wherein pressing alginic acid
Sodium: cobalt salt molar ratio=10, tungsten and cobalt carbide (Co2C molar ratio) is 4.8.
Embodiment 10
Configure 400 grams of sodium alginate powder under 55 degree 900 milliliters of homogeneous phase aqueous solution 1；By calcium nitrate and sulphur
Sour cobalt (calcium nitrate: cobaltous sulfate=15, molar ratio) is configured to 160 milliliters of mass fraction as the aqueous solution 2 of 35wt%；By solution
1 obtains spherical colloid using the solution 2 that syringe is instilled dropwise in stirring；By the filtering of gained spherical colloid, the vacuum under 70 degree
It is dried to obtain dry bulb；The modified cobalt carbide material of molding calcium is obtained in 710 degree of roastings under CO atmosphere, wherein pressing alginic acid
Sodium: cobalt salt molar ratio=12.2, calcium and cobalt carbide (Co2C molar ratio) is 30.
Embodiment 11
Configure 300 grams of sodium alginate powder under 52 degree 600 milliliters of homogeneous phase aqueous solution 1；By barium nitrate and nitre
Sour cobalt (barium nitrate: cobalt nitrate=12, molar ratio) is configured to 280 milliliters of mass fraction as the aqueous solution 2 of 65wt%；By solution
1 obtains spherical colloid using the solution 2 that syringe is instilled dropwise in stirring；By the filtering of gained spherical colloid, the vacuum under 75 degree
It is dried to obtain dry bulb；In CH4The modified cobalt carbide material of molding barium is obtained in 1000 degree of roastings under atmosphere, wherein pressing alginic acid
Sodium: cobalt salt molar ratio=3.8, barium and cobalt carbide (Co2C molar ratio) is 24.
Embodiment 12
Configure 450 grams of sodium alginate powder under 48 degree 800 milliliters of homogeneous phase aqueous solution 1；By nitric acid niobium and chlorine
Change cobalt (nitric acid niobium: cobalt chloride=20, molar ratio) and is configured to 170 milliliters of mass fraction as the aqueous solution 2 of 25wt%；By solution
1 obtains spherical colloid using the solution 2 that syringe is instilled dropwise in stirring；By the filtering of gained spherical colloid, the vacuum under 114 degree
It is dried to obtain dry bulb；The modified cobalt carbide material of molding niobium is obtained in 900 degree of roastings under He atmosphere, wherein pressing alginic acid
Sodium: cobalt salt molar ratio=11, niobium and cobalt carbide (Co2C molar ratio) is 40.
Embodiment 13
Configure 250 grams of sodium alginate powder under 41 degree 700 milliliters of homogeneous phase aqueous solution 1；By radium chloride and sulphur
Sour cobalt (radium chloride: cobaltous sulfate=9, molar ratio) is configured to 140 milliliters of mass fraction as the aqueous solution 2 of 55wt%；By solution 1
The solution 2 instilled in stirring dropwise using syringe obtains spherical colloid；By the filtering of gained spherical colloid, vacuum is done under 73 degree
It is dry to obtain dry bulb；The modified cobalt carbide material of molding rhodium is obtained in 300-800 degree roastings under anoxybiotic atmosphere, wherein by sea
Mosanom: cobalt salt molar ratio=7, rhodium and cobalt carbide (Co2C molar ratio) is 18.
Embodiment 14
Configure 330 grams of sodium alginate powder under 48 degree 550 milliliters of homogeneous phase aqueous solution 1；By palladium chloride and sulphur
Sour cobalt (palladium chloride: cobaltous sulfate=0.6, molar ratio) is configured to 210 milliliters of mass fraction as the aqueous solution 2 of 45wt%；It will be molten
Liquid 1 obtains spherical colloid using the solution 2 that syringe is instilled dropwise in stirring；Gained spherical colloid is filtered, is true under 114 degree
Sky is dried to obtain dry bulb；In CO2The modified cobalt carbide material of molding palladium is obtained in 950 degree of roastings under atmosphere, wherein pressing seaweed
Sour sodium: cobalt salt molar ratio=6.4, palladium and cobalt carbide (Co2C molar ratio) is 1.2.
Embodiment 15
Configure 360 grams of sodium alginate powder under 50 degree 870 milliliters of homogeneous phase aqueous solution 1；By platinum nitrate and sulphur
Sour cobalt (platinum nitrate: cobaltous sulfate=0.8, molar ratio) is configured to 190 milliliters of mass fraction as the aqueous solution 2 of 75wt%；It will be molten
Liquid 1 obtains spherical colloid using the solution 2 that syringe is instilled dropwise in stirring；Gained spherical colloid is filtered, is true under 102 degree
Sky is dried to obtain dry bulb；In N2The modified cobalt carbide material of molding platinum is obtained in 870 degree of roastings under atmosphere, wherein pressing alginic acid
Sodium: cobalt salt molar ratio=6.6, platinum and cobalt carbide (Co2C molar ratio) is 1.6.
Embodiment 16
Configure 280 grams of sodium alginate powder under 51 degree 680 milliliters of homogeneous phase aqueous solution 1；By cadmium nitrate and nitre
Sour cobalt (cadmium nitrate: cobalt nitrate=17, molar ratio) is configured to 210 milliliters of mass fraction as the aqueous solution 2 of 12wt%；By solution
1 obtains spherical colloid using the solution 2 that syringe is instilled dropwise in stirring；By the filtering of gained spherical colloid, the vacuum under 77 degree
It is dried to obtain dry bulb；The modified cobalt carbide material of molding cadmium is obtained in 680 degree of roastings under CO atmosphere, wherein pressing alginic acid
Sodium: cobalt salt molar ratio=18, cadmium and cobalt carbide (Co2C molar ratio) is 34.
Embodiment 17
Configure 410 grams of sodium alginate powder under 45 degree 580 milliliters of homogeneous phase aqueous solution 1；By gallium chloride and sulphur
Sour cobalt (gallium chloride: cobaltous sulfate=0.9, molar ratio) is configured to 190 milliliters of mass fraction as the aqueous solution 2 of 88wt%；It will be molten
Liquid 1 obtains spherical colloid using the solution 2 that syringe is instilled dropwise in stirring；Gained spherical colloid is filtered, is true under 87 degree
Sky is dried to obtain dry bulb；The modified cobalt carbide material of molding gallium is obtained in 510 degree of roastings under He atmosphere, wherein pressing alginic acid
Sodium: cobalt salt molar ratio=5.4, gallium and cobalt carbide (Co2C molar ratio) is 1.8.
Embodiment 18
Configure 290 grams of sodium alginate powder under 43 degree 450 milliliters of homogeneous phase aqueous solution 1；By lanthanum nitrate and nitre
Sour cobalt (lanthanum nitrate: cobalt nitrate=1.8, molar ratio) is configured to 290 milliliters of mass fraction as the aqueous solution 2 of 42wt%；It will be molten
Liquid 1 obtains spherical colloid using the solution 2 that syringe is instilled dropwise in stirring；Gained spherical colloid is filtered, is true under 110 degree
Sky is dried to obtain dry bulb；The modified cobalt carbide material of molding lanthanum is obtained in 480 degree of roastings under an ar atmosphere, wherein pressing alginic acid
Sodium: cobalt salt molar ratio=5.7, lanthanum and cobalt carbide (Co2C molar ratio) is 3.6.
Claims (5)
1. a kind of preparation method of the modified cobalt carbide material of the metallic element of straight forming, it is characterised in that include the following steps:
Configuring sodium alginate powder at 30-60 DEG C concentration is 14-60wt% homogeneous phase aqueous solution A；By modified metal salt:
Soluble modified metal salt and soluble cobalt are configured the aqueous solution that concentration is 10-80wt% by cobalt salt molar ratio=0.1-20
B；By sodium alginate: cobalt salt molar ratio=0.2-18, the solution B that solution A is instilled dropwise in stirring obtain spherical colloid；
By the filtering of gained spherical colloid, vacuum drying obtains dry bulb at 60-120 DEG C；It is roasted under anoxybiotic atmosphere in 300-1000 degree
Obtain the modified cobalt carbide material of molding metallic element.
2. a kind of preparation method of the modified cobalt carbide material of metallic element of straight forming as described in claim 1, feature
It is that the modified metal element is Ca, Ba, Nb, Rh, Pd, Pb, Cd, Ga, La, Zr, Ce, Zn, Mn, Cu, Fe, Cr, Mo, W
One of.
3. a kind of preparation method of the modified cobalt carbide material of metallic element of straight forming as described in claim 1, feature
It is that soluble modified metal salt is calcium chloride, calcium nitrate, calcium sulfate, barium chloride, barium nitrate, barium sulfate, niobium chloride, nitric acid
Niobium, sulfuric acid niobium, radium chloride, rhodium nitrate, rhodium sulfate, palladium chloride, palladium nitrate, palladium sulfate, platinum chloride, platinum nitrate, platinic sulfate, chlorination
Cadmium, cadmium nitrate, cadmium sulfate, gallium chloride, gallium nitrate, gallium sulfate, lanthanum chloride, lanthanum nitrate, lanthanum sulfate, zirconium chloride, zirconium nitrate, sulfuric acid
Zirconium, cerium chloride, cerous nitrate, cerous sulfate, zinc chloride, zinc nitrate, zinc sulfate, manganese chloride, manganese nitrate, manganese sulfate, copper chloride, nitric acid
Copper, copper sulphate, iron chloride, ferric nitrate, ferric sulfate, chromium chloride, chromic nitrate, chromium sulfate, ammonium molybdate or ammonium tungstate.
4. a kind of preparation method of the modified cobalt carbide material of metallic element of straight forming as described in claim 1, feature
It is that the cobalt salt is cobalt chloride, cobalt nitrate or cobaltous sulfate.
5. a kind of preparation method of the modified cobalt carbide material of metallic element of straight forming as described in claim 1, feature
It is that the anoxybiotic atmosphere is N2、Ar 、He、CO、CO2Or CH4。
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