Method and reactor for cracking hydrocarbon and method for coating the reactor

US9850432B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9850432-B2
Application numberUS-201113996738-A
CountryUS
Kind codeB2
Filing dateDec 5, 2011
Priority dateDec 22, 2010
Publication dateDec 26, 2017
Grant dateDec 26, 2017

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  1. Title

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  5. First independent claim

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Abstract

Official abstract text for this publication.

A reactor has an inner surface accessible to the hydrocarbon and comprising a sintered product of at least one of cerium oxide, zinc oxide, tin oxide, zirconium oxide, boehmite and silicon dioxide, and a perovskite material of formula A a B b C c D d O 3-δ . 0<a<1.2, 0≦b≦1.2, 0.9<a+b≦1.2, 0<c<1.2, 0≦d≦1.2, 0.9<c+d≦1.2, −0.5<δ<0.5. A is selected from calcium, strontium, barium, and any combination thereof. B is selected from lithium, sodium, potassium, rubidium, and any combination thereof. C is selected from cerium, zirconium, antimony, praseodymium, titanium, chromium, manganese, ferrum, cobalt, nickel, gallium, tin, terbium and any combination thereof. D is selected from lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, titanium, vanadium, chromium, manganese, ferrum, cobalt, nickel, copper, zinc, yttrium, zirconium, niobium, molybdenum, technetium, ruthenium, rhodium, palladium, silver, cadmium, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, gallium, indium, tin, antimony and any combination thereof.

First claim

Opening claim text (preview).

The invention claimed is: 1. A method, comprising: providing a slurry comprising a perovskite material of formula A a B b C c D d O 3-δ and an inorganic material; applying the slurry to a surface of a reactor; and sintering the slurry; wherein the inorganic material comprises at least one of cerium oxide, zinc oxide, tin oxide, zirconium oxide, boehmite and silicon dioxide; 0<a<1.2, 0≦b≦1.2, 0.9<a+b≦1.2, 0<c<1.2, 0≦d≦1.2, 0.9<c+d≦1.2, −0.5<δ<0.5; A is selected from calcium (Ca), strontium (Sr), barium (Ba), and any combination thereof; B is selected from lithium (Li), sodium (Na), potassium (K), rubidium (Rb), and any combination thereof; C is selected from cerium (Ce), zirconium (Zr), antimony (Sb), praseodymium (Pr), titanium (Ti), chromium (Cr), manganese (Mn), ferrum (Fe), cobalt (Co), nickel (Ni), gallium (Ga), tin (Sn), terbium (Tb) and any combination thereof; and D is selected from lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), promethium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), lutetium (Lu), scandium (Sc), titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), ferrum (Fe), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), yttrium (Y), zirconium (Zr), niobium (Nb), molybdenum (Mo), technetium (Tc), ruthenium (Ru), rhodium (Rh), palladium (Pd), silver (Ag), cadmium (Cd), hafnium (Hf), tantalum (Ta), tungsten (W), rhenium (Re), osmium (Os), iridium (Ir), platinum (Pt), gold (Au), gallium (Ga), indium (In), tin (Sn), antimony (Sb) and any combination thereof; said method further comprising heating an ethane containing feedstock in said reactor and in the presence of steam at a temperature of from about 480° C. to about 1,000° C. in order to form ethylene, said slurry inhibiting coke formation on said surface. 2. The method of claim 1 , wherein the slurry further comprises at least one of an organic binder, a wetting agent and a solvent. 3. The method of claim 1 , wherein a weight ratio of the inorganic material to the perovskite material is from about 0.1:99.9 to about 99.9:0.1. 4. The method of claim 1 , wherein a weight ratio of the inorganic material to the perovskite material is from about 1:9 to about 9:1. 5. The method of claim 1 , wherein a weight ratio of the inorganic material to the perovskite material is from about 1.5:100 to about 9:10. 6. The method of claim 1 , wherein a total weight percentage of the inorganic materials and the perovskite material in the slurry is from about 10% to about 90%. 7. The method of claim 1 , wherein a total weight percentage of the inorganic materials and the perovskite material in the slurry is from about 15% to about 70%. 8. The method of claim 1 , wherein a total weight percentage of the inorganic materials and the perovskite material in the slurry is from about 30% to about 55%. 9. The method of claim 1 , wherein the slurry is applied to the surface by at least one of sponging, painting, centrifuging, spraying, filling and draining, and dipping. 10. The method of claim 1 , wherein the sintering is at about 1000° C. 11. The method of claim 1 , wherein the slurry comprises BaZr 0.3 Ce 0.7 O 3 . 12. The method of claim 11 wherein the inorganic material comprises cerium oxide. 13. A method, comprising: providing a slurry comprising a perovskite material of formula A a B b C c D d O 3-δ and an inorganic material; applying the slurry to a surface of a reactor; and sintering the slurry; wherein the inorganic material comprises at least one of cerium oxide, zinc oxide, tin oxide, zirconium oxide, boehmite and silicon dioxide; 0<a<1.2, 0≦b≦1.2, 0.9<a+b≦1.2, 0<c<1.2, 0≦d≦1.2, 0.9<c+d≦1.2, −0.5<δ<0.5; A is selected from calcium (Ca), strontium (Sr), barium (Ba), and any combination thereof; B is selected from lithium (Li), sodium (Na), potassium (K), rubidium (Rb), and any combination thereof; C is selected from cerium (Ce), zirconium (Zr), antimony (Sb), praseodymium (Pr), titanium (Ti), chromium (Cr), manganese (Mn), ferrum (Fe), cobalt (Co), nickel (Ni), gallium (Ga), tin (Sn), terbium (Tb) and any combination thereof; and D is selected from lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), promethium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), lutetium (Lu), scandium (Sc), titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), ferrum (Fe), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), yttrium (Y), zirconium (Zr), niobium (Nb), molybdenum (Mo), technetium (Tc), ruthenium (Ru), rhodium (Rh), palladium (Pd), silver (Ag), cadmium (Cd), hafnium (Hf), tantalum (Ta), tungsten (W), rhenium (Re)C, osmium (Os), iridium (Ir), platinum (Pt), gold (Au), gallium (Ga), indium (In), tin (Sn), antimony (Sb) and any combination thereof; the slurry comprising a member selected from the group consisting of: (i) BaZr 0.3 Ce 0.7 O 3 , cerium oxide, glyceral, polyvinyl alcohol, and water; (ii) BaZr 0.3 Ce 0.7 O 3 , boehmite, glycerol, polyvinyl alcohol, polyethylene glycol octylphenol ether and water; (iii) BaZr 0.3 Ce 0.7 O 3 , zinc oxide, glycerol and polyvinyl alcohol; (iv) BaZr 0.3 Ce 0.7 O 3 , zirconium oxide, glycerol and polyvinyl alcohol; (v) BaZr 0.3 Ce 0.7 O 3 , zirconium oxide, cerium oxide, glycerol and polyvinyl alcohol; (vi) BaZr 0.3 Ce 0.7 O 3 , boehmite, cerium oxide, glycerol and polyvinyl alcohol; (vii) BaZr 0.3 Ce 0.7 O 3 , silicon dioxide, glycerol and polyvinyl alcohol. 14. The method of claim 13 wherein the slurry is (i). 15. The method of claim 13 wherein the slurry (ii). 16. The method of claim 13 wherein the slurry is (iii). 17. The method of claim 13 wherein the slurry is (iv). 18. The method of claim 13 wherein the slurry is (v). 19. The method of claim 13 wherein the slurry is (vi). 20. The method of claim 13 wherein the slurry is (vii).

Assignees

Inventors

Classifications

  • Steam · CPC title

  • Heavy gasoline or naphtha having a boiling range of about 100 - 180 °C · CPC title

  • C10G9/16Primary

    Preventing or removing incrustation · CPC title

  • Avoiding carbon deposits (inhibiting incrustation in general, C23F14/00, C23F15/00) · CPC title

  • Gasoil having a boiling range of about 330 - 427 °C · CPC title

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What does patent US9850432B2 cover?
A reactor has an inner surface accessible to the hydrocarbon and comprising a sintered product of at least one of cerium oxide, zinc oxide, tin oxide, zirconium oxide, boehmite and silicon dioxide, and a perovskite material of formula A a B b C c D d O 3-δ . 0<a<1.2, 0≦b≦1.2, 0.9<a+b≦1.2, 0<c<1.2, 0≦d≦1.2, 0.9<c+d≦1.2, −0.5<δ<0.5. A is selected from calcium, strontium, barium, and any combinati…
Who is the assignee on this patent?
Gu Yanfei, Peng Wenqing, Wang Shizhong, and 6 more
What technology area does this patent fall under?
Primary CPC classification C10G9/16. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Dec 26 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).