[특허]Blending hydrocarbon streams to prevent fouling

Blending hydrocarbon streams to prevent fouling 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C10L-010/04 C10G-075/00 C10G-007/00
출원번호	US-0718777 (2012-12-18)
등록번호	US-8916041 (2014-12-23)
우선권정보	EP-11195478 (2011-12-23)
발명자 / 주소	Van Den Berg, Franciscus Gondulfus Antonius Herzberg, Oliver Klaus
출원인 / 주소	Shell Oil Company
대리인 / 주소	Stewart, Charles W.
인용정보	피인용 횟수 : 0 인용 특허 : 14

초록 ▼

A method of reducing the fouling propensity of a hydrocarbon feed stream having a Total Base Number based on ASTM method D2896-11 of less than 150 ppm and/or a P-value according to ASTM method D7060-09 of less than 1.15 which method comprises processing the feed stream such that the product obtained has a calculated Total Base Number of at least 150 ppm, a calculated P-value of at least 1.15 and a calculated Po-value higher than the FRmax of the feed stream, more specifically blending at least two hydrocarbon feed streams to prepare a blend having these properties.

대표청구항 ▼

1. A method of reducing the fouling propensity of a hydrocarbon feed stream, having a Total Base Number based on ASTM method D2896-11 of less than 150 ppm and/or a P-value according to ASTM method D7060-09 of less than 1.15, wherein said method comprises: determining the Total Base Number and the P-value of the hydrocarbon feed stream; and processing the hydrocarbon feed stream such that a product is obtained having a calculated Total Base Number of at least 150 ppm, a calculated P-value of at least 1.15 and a calculated Po-value higher than the FRmax of the feed stream, wherein said processing to obtain said product comprises (1) removing a light fraction from said hydrocarbon feed stream or (2) blending said hydrocarbon feed stream with another hydrocarbon feed stream. 2. A method according to claim 1, in which method a light fraction is removed from the hydrocarbon feed stream to obtain said product. 3. A method according to claim 1, which method comprises: blending at least two hydrocarbon feed streams of which at least one feed stream has a Total Base Number according to ASTM method D2896-11 of less than 150 ppm and/or a P-value according to ASTM method D7060-09 of less than 1.15 in order to prepare a blend of low fouling propensity; and selecting the at least two hydrocarbon feed streams such that the blend has a calculated Total Base Number of at least 150 ppm, a calculated P-value of at least 1.15 and a calculated Po-value higher than the FRmax of every feed stream. 4. The method of claim 3, which method comprises: selecting said at least two hydrocarbon feed streams such that the blend has a Total Base Number of at least 180 ppm. 5. The method of claim 4, which method comprises: selecting said at least two hydrocarbon feed streams such that the blend has a calculated Total Base Number of at least 220 ppm. 6. The method of claim 5, which method comprises selecting said at least two hydrocarbon feed streams such that the blend has a Total Base Number of at least 250 ppm. 7. The method of claim 3, comprising: selecting said at least two hydrocarbon feed streams in such a way that the blend has a P-value of at least 1.3. 8. The method of claim 3, comprising: selecting said at least two hydrocarbon feed streams in such a way that the blend has a P-value of at most 2.5.

이 특허에 인용된 특허 (14)

Levine, Steven W.; Brons, Glen B.; Lutz, George A.; Leta, Daniel P.; Walters, Clifford C., Addition of high molecular weight naphthenic tetra-acids to crude oils to reduce whole crude oil fouling.
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Dickakian,Ghazi B.; Baxter, Jr.,C. Edward; Truong,Jeffrey Quoc, Crude oil composition including dispersant material for mitigating fouling of process equipment and method for mitigating crude oil fouling.
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Brons, Glen B.; Wright, Chris A., High-solvency-dispersive-power (HSDP) crude oil blending for fouling mitigation and on-line cleaning.
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Brons, Glen B.; Wright, Chris A., High-solvency-dispersive-power (HSDP) crude oil blending for fouling mitigation and on-line cleaning.
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Prasad, Vijaysai; Tayalia, Yatin; Shah, Sunil Shirish; Cross, Collin W., Method and system for assessing the performance of crude oils.
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Forester David R. (Spring TX), Method for controlling fouling deposit formation in a liquid hydrocarbonaceous medium.
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Forester David R. (Spring TX), Method for controlling fouling deposit formation in a liquid hydrocarbonaceous medium using multifunctional antifoulant.
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Wright, Chris A; Brons, Glen B., Method for reducing oil fouling in heat transfer equipment.
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Brons, Glen B.; Wright, Chris A.; Lutz, George A.; Leta, Daniel P., Method of blending high TAN and high Scrude oils and method of reducing particulate induced whole crude oil fouling and asphaltene induced whole crude oil fouling.
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Van Den Berg, Franciscus Gondulfus Antonius; Fryer, Scott John; Letts, Marshall Glenn; Margerum, Michael Robert; Power, William James; Sy, Oscar Kui Yin; Vadori, Larry, Method of producing a pipelineable blend from a heavy residue of a hydroconversion process.
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Brons, Glen B.; Wright, Chris A.; Lutz, George A.; Greaney, Mark A., Mitigation of refinery process unit fouling using high-solvency-dispersive-power (HSDP) resid fractions.
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Wright, Chris A.; Brons, Glen B.; Feiller, Sharon; Lutz, George A., Non-high solvency dispersive power (non-HSDP) crude oil with increased fouling mitigation and on-line cleaning effects.
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Wiehe Irwin A. ; Kennedy Raymond J., Process for blending petroleum oils to avoid being nearly incompatible.
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Wiehe Irwin A. ; Kennedy Raymond J., Process for blending potentially incompatible petroleum oils.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Blending hydrocarbon streams to prevent fouling 원문보기

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Blending hydrocarbon streams to prevent fouling 원문보기

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