Device and method for upgrading petroleum feedstocks and petroleum refinery streams using an alkali metal conductive membrane
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C10G-029/04
C10G-032/02
출원번호
US-0679696
(2012-11-16)
등록번호
US-9441170
(2016-09-13)
발명자
/ 주소
Gordon, John Howard
Alvare, Javier
출원인 / 주소
FIELD UPGRADING LIMITED
대리인 / 주소
Foley & Lardner LLP
인용정보
피인용 횟수 :
0인용 특허 :
26
초록▼
A reactor has two chambers, namely an oil feedstock chamber and a source chamber. An ion separator separates the oil feedstock chamber from the source chamber, wherein the ion separator allows alkali metal ions to pass from the source chamber, through the ion separator, and into the oil feedstock ch
A reactor has two chambers, namely an oil feedstock chamber and a source chamber. An ion separator separates the oil feedstock chamber from the source chamber, wherein the ion separator allows alkali metal ions to pass from the source chamber, through the ion separator, and into the oil feedstock chamber. A cathode is at least partially housed within the oil feedstock chamber and an anode is at least partially housed within the source chamber. A quantity of an oil feedstock is within the oil feedstock chamber, the oil feedstock comprising at least one carbon atom and a heteroatom and/or one or more heavy metals, the oil feedstock further comprising naphthenic acid. When the alkali metal ion enters the oil feedstock chamber, the alkali metal reacts with the heteroatom, the heavy metals and/or the naphthenic acid, wherein the reaction with the alkali metal forms inorganic products.
대표청구항▼
1. A method of de-acidifying an oil feedstock comprising: in a chamber reacting an oil feedstock with an alkali metal in its metallic state to form a de-acidified oil feedstock, wherein the oil feedstock comprises naphthenic acids;the alkali metal in its metallic state is formed in situ in said cham
1. A method of de-acidifying an oil feedstock comprising: in a chamber reacting an oil feedstock with an alkali metal in its metallic state to form a de-acidified oil feedstock, wherein the oil feedstock comprises naphthenic acids;the alkali metal in its metallic state is formed in situ in said chamber from alkali metal ions; andthe de-acidified oil feedstock has a TAN value that is lower than a TAN value of the oil feedstock. 2. The method as in claim 1, wherein the alkali metal in its metallic state comprises lithium, sodium and/or alloys thereof. 3. The method of claim 1, wherein the alkali metal in its metallic state further reacts with heteroatoms/heavy metals found within the oil feedstock such that a heteroatom to carbon ratio of the de-acidified oil feedstock is less than a heteroatom to carbon ratio of the oil feedstock. 4. The method of claim 3, further comprising an upgradant hydrocarbon that reacts with the oil feedstock such that the de-acidified oil feedstock has a greater energy value than an energy value of the oil feedstock. 5. The method as in claim 4, wherein the upgradant hydrocarbon comprises hydrogen gas, methane, ethane, propane, butane, pentane, ethene, propene, butene, pentene, dienes, isomers of the forgoing, and/or mixtures thereof. 6. The method as in claim 1, wherein the reaction occurs at a temperature that is greater than the melting point of the alkali metal in its metallic state but is lower than 450° C. 7. The method as in claim 1, wherein the reacting occurs at a pressure greater than about 250 psi but at a pressure that is less than about 2500 psi. 8. A method of upgrading an oil feedstock comprising: obtaining a first oil feedstock that comprises a quantity of heavy metals, naphthenic acid and at least one heteroatom;reacting the first oil feedstock with a first quantity of an alkali metal, wherein the alkali metal removes heavy metals from the first oil feedstock;reacting the first oil feedstock with a second quantity of an alkali metal, wherein the second quantity of the alkali metal reacts with the naphthenic acid to form a de-acidified oil feedstock, wherein a TAN value of the first oil feedstock is less than a TAN value of the de-acidified oil feedstock;reacting the de-acidified oil feedstock with a third quantity of an alkali metal, wherein the third quantity of the alkali metal reacts with the at least one heteroatom to form an upgraded oil feedstock, wherein a heteroatom to carbon ratio of the upgraded oil feedstock is less than a heteroatom to carbon ratio of the first oil feedstock. 9. The method of claim 8, wherein the reactions with the first, second and third quantities of the alkali metal all occur within a same chamber. 10. The method of claim 8, wherein the reactions with the first, second and third quantities of the alkali metal all occur within different chambers. 11. The method of claim 8, wherein the heavy metals are separated from the first oil feedstock before the second quantity of the alkali metal is reacted with the first oil feedstock. 12. A method of de-acidifying an oil feedstock comprising: passing alkali metal ions from an alkali metal source chamber through an ion separator into a chamber containing an oil feedstock;reducing the alkali metal ions in the oil feedstock chamber to alkali metal in its metallic state; andreacting the oil feedstock with the in-situ produced alkali metal in its metallic state to form a de-acidified oil feedstock. 13. The method of claim 12, wherein passing the alkali metal ions through the ion separator to the oil feedstock and reducing the alkali metal ions to its metallic state comprises: an anode that is at least partially housed in the alkali metal source;a cathode that is at least partially housed within the oil feedstock; anda power source applying a voltage to the anode and the cathode, wherein applying the voltage across the anode causes the alkali metal ions to pass into the oil feedstock, and applying the voltage across the cathode reduces the alkali metal ions to its metallic state within the oil feedstock. 14. The method of claim 12 wherein the ion separator comprises ceramic materials, wherein the ceramic materials include Nasicon, sodium beta alumina, sodium beta prime alumnia, sodium ion conductive glass, Lisicon, lithium beta alumina, lithium beta prime alumina, or lithium ion conductive glass. 15. The method of claim 13 wherein the alkali metal ions include sodium ions, lithium ions, and/or a mixture thereof. 16. The method of claim 12 wherein the alkali metal source include an alkali metal solution comprising sodium sulfide, lithium sulfide, sodium chloride, or sodium hydroxide.
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