KR102735575B1 - (메트)아크릴산 및 메틸메타크릴레이트의 제조 방법 - Google Patents
(메트)아크릴산 및 메틸메타크릴레이트의 제조 방법 Download PDFInfo
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- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims description 22
- 230000008569 process Effects 0.000 title claims description 16
- 239000003054 catalyst Substances 0.000 claims abstract description 65
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000004519 manufacturing process Methods 0.000 claims abstract description 35
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 claims description 110
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 63
- 238000006243 chemical reaction Methods 0.000 claims description 31
- 239000000126 substance Substances 0.000 claims description 26
- 239000010949 copper Substances 0.000 claims description 25
- 238000007254 oxidation reaction Methods 0.000 claims description 22
- 229910044991 metal oxide Inorganic materials 0.000 claims description 20
- 150000004706 metal oxides Chemical class 0.000 claims description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 12
- 229910001882 dioxygen Inorganic materials 0.000 claims description 12
- 230000003647 oxidation Effects 0.000 claims description 11
- 229910052792 caesium Inorganic materials 0.000 claims description 9
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 239000011733 molybdenum Substances 0.000 claims description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims description 8
- 229910052720 vanadium Inorganic materials 0.000 claims description 8
- 229910052787 antimony Inorganic materials 0.000 claims description 7
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical group [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 5
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052785 arsenic Inorganic materials 0.000 claims description 4
- 229910052788 barium Inorganic materials 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- 229910052700 potassium Inorganic materials 0.000 claims description 4
- 229910052703 rhodium Inorganic materials 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 229910052712 strontium Inorganic materials 0.000 claims description 4
- 229910052718 tin Inorganic materials 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical group [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical group [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims 2
- 239000000203 mixture Substances 0.000 description 12
- 239000000376 reactant Substances 0.000 description 11
- 239000000243 solution Substances 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 230000003197 catalytic effect Effects 0.000 description 9
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 8
- 230000007423 decrease Effects 0.000 description 8
- 229910004298 SiO 2 Inorganic materials 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 6
- 230000001590 oxidative effect Effects 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 229910021642 ultra pure water Inorganic materials 0.000 description 5
- 239000012498 ultrapure water Substances 0.000 description 5
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 4
- NLSCHDZTHVNDCP-UHFFFAOYSA-N caesium nitrate Chemical compound [Cs+].[O-][N+]([O-])=O NLSCHDZTHVNDCP-UHFFFAOYSA-N 0.000 description 4
- 238000004817 gas chromatography Methods 0.000 description 4
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000012018 catalyst precursor Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011964 heteropoly acid Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 229920000193 polymethacrylate Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000011112 process operation Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000012495 reaction gas Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- -1 organic acid salt Chemical class 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910052714 tellurium Inorganic materials 0.000 description 2
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical group [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910000416 bismuth oxide Inorganic materials 0.000 description 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 1
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 1
- 229910000024 caesium carbonate Inorganic materials 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229940116318 copper carbonate Drugs 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
- GEZOTWYUIKXWOA-UHFFFAOYSA-L copper;carbonate Chemical compound [Cu+2].[O-]C([O-])=O GEZOTWYUIKXWOA-UHFFFAOYSA-L 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000006709 oxidative esterification reaction Methods 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 150000003623 transition metal compounds Chemical class 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J27/195—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with vanadium, niobium or tantalum
- B01J27/198—Vanadium
- B01J27/199—Vanadium with chromium, molybdenum, tungsten or polonium
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
- C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/52—Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom
- C07C69/533—Monocarboxylic acid esters having only one carbon-to-carbon double bond
- C07C69/54—Acrylic acid esters; Methacrylic acid esters
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Abstract
Description
| 촉매 | MACR 전환율 (%) |
MAA 수율 (%) |
MMA 수율 (%) |
|
| 실시예 1 | P1.2 Mo12 W0.1 V0.2 Cu0.2 Sb0.1 Cs1.0 | 88.14 | 30.5 | 40.34 |
| 실시예 2 | P1.3 Mo12 V1.0 Cu0.5 Sb0.3 Cs1.2 | 87.06 | 37.84 | 38.15 |
| 비교예 1 | P1.3 Mo12 Cs1.5 | 80.14 | 37.47 | 28.60 |
| 비교예 2 | P1.2 Mo12 W0.1 V0.2 Cu0.2 Sb0.1 Cs1.0 | 89.14 | 68.88 | - |
Claims (9)
- 하기 화학식 1로 표시되는 금속 산화물 촉매의 존재 하에, (메트)아크롤레인, 분자상 산소 함유 가스 및 메탄올을 포함하는 원료를 반응시키는 단계를 포함하고,
상기 반응의 (메트)아크릴산의 수율은 30 내지 60 %이고, 메틸메타크릴레이트의 수율은 30 내지 60 %인,
(메트)아크릴산 및 메틸메타크릴레이트의 제조 방법:
[화학식 1]
Moa Ab Bc Cd De Ef Og
상기 화학식 1에서,
Mo는 몰리브덴이고,
A는 W 및 Cr로 이루어진 군에서 선택되는 1종 이상의 원소이고,
B는 P, As 및 Si로 이루어진 군에서 선택되는 1종 이상의 원소이고,
C는 B, Ce, Pb, Mn, V, Nb 및 Te로 이루어진 군에서 선택되는 1종 이상의 원소이고,
D는 Al, Zr, Rh, Cu, Ni, Ti, Ag, Sb, Fe, Co 및 Sn으로 이루어진 군에서 선택되는 1종 이상의 원소이고,
E는 Na, K, Li, Rb, Cs, Ta, Ca, Mg, Sr 및 Ba로 이루어진 군에서 선택되는 1종 이상의 원소이고,
a, b, c, d, e, f 및 g는 각 원소의 원자 비율로서,
a=12 일 때, b는 0.01 내지 15 이고, c는 0.01 내지 15 이고, d는 0 내지 20 이고, e는 0.01 내지 20 이고, f는 0 내지 20이고, g는 상기 각 원소의 산화 상태에 따라 정해지는 수치이다.
- 제1항에 있어서,
상기 금속 산화물 촉매는 하기 화학식 1-1로 표시되는,
(메트)아크릴산 및 메틸메타크릴레이트의 제조 방법:
[화학식 1-1]
Moa Sbh Csi Ab Bc Cd De Ef Og
상기 화학식 1-1에서,
Mo는 몰리브덴이고, Sb는 안티몬이고, Cs는 세슘이고,
A는 W 및 Cr로 이루어진 군에서 선택되는 1종 이상의 원소이고,
B는 P, As 및 Si로 이루어진 군에서 선택되는 1종 이상의 원소이고,
C는 B, Ce, Pb, Mn, V, Nb 및 Te로 이루어진 군에서 선택되는 1종 이상의 원소이고,
D는 Al, Zr, Rh, Cu, Ni, Ti, Ag, Fe, Co 및 Sn으로 이루어진 군에서 선택되는 1종 이상의 원소이고,
E는 Na, K, Li, Rb, Cs, Ta, Ca, Mg, Sr 및 Ba로 이루어진 군에서 선택되는 1종 이상의 원소이고,
a, b, c, d, e, f, g, h 및 i는 각 원소의 원자 비율로서,
a=12 일 때, b는 0.01 내지 15 이고, c는 0.01 내지 15 이고, d는 0 내지 20 이고, e는 0.01 내지 20 이고, f는 0 내지 20이고, g는 상기 각 원소의 산화 상태에 따라 정해지는 수치이고, h는 0 내지 20 이고, i는 0 내지 20이다.
- 제1항에 있어서,
상기 금속 산화물 촉매는 하기 화학식 1-2로 표시되는,
(메트)아크릴산 및 메틸메타크릴레이트의 제조 방법:
[화학식 1-2]
Mo12 Wb Pc Vd Cue Sbh Csi Og
상기 화학식 1-2에서,
Mo는 몰리브덴이고, W는 텅스텐이고, P는 인이고, V는 바나듐이고, Cu는 구리이고, Sb는 안티몬이고, Cs는 세슘이고,
b, c, d, e 및 g는 각 원소의 원자 비율로서,
b는 0.05 내지 0.15 이고, c는 1 내지 1.5 이고, d는 0 내지 0.5 이고, e는 0.01 내지 0.5 이고, g는 상기 각 원소의 산화 상태에 따라 정해지는 수치이고, h는 0.01 내지 0.5 이고, i는 0.5 내지 1.5이다.
- 제1항에 있어서,
상기 금속 산화물 촉매는 하기 화학식 1-3으로 표시되는,
(메트)아크릴산 및 메틸메타크릴레이트의 제조 방법:
[화학식 1-3]
Mo12 Pc Vd Cue Sbh Csi Og
상기 화학식 1-3에서,
Mo는 몰리브덴이고, P는 인이고, V는 바나듐이고, Cu는 구리이고, Sb는 안티몬이고, Cs는 세슘이고,
b, c, d, e 및 g는 각 원소의 원자 비율로서,
c는 1 내지 1.5 이고, d는 0.5 내지 1.5 이고, e는 0.01 내지 1 이고, g는 상기 각 원소의 산화 상태에 따라 정해지는 수치이고, h는 0.01 내지 0.5 이고, i는 1 내지 1.5이다.
- 제1항에 있어서,
(메트)아크롤레인(m1)과 분자상 산소 함유 가스 중 산소(m2)의 몰비(m2/m1)는 2 내지 100인,
(메트)아크릴산 및 메틸메타크릴레이트의 제조 방법.
- 제1항에 있어서,
(메트)아크롤레인(m1)과 메탄올(m3)의 몰비(m3/m1)는 1 내지 100인,
(메트)아크릴산 및 메틸메타크릴레이트의 제조 방법.
- 삭제
- 삭제
- 삭제
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