Fuel compositions and methods for making same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C10L-001/16
C10G-045/02
C10L-001/08
출원번호
US-0975828
(2013-08-26)
등록번호
US-8999011
(2015-04-07)
발명자
/ 주소
Stern, David Lawrence
Di Mauro, Salvatore R.
Roccaro, Aldo
Bessonette, Paul William
출원인 / 주소
ExxonMobil Research and Engineering Company
대리인 / 주소
Weisberg, David M.
인용정보
피인용 횟수 :
0인용 특허 :
24
초록▼
This invention relates to low sulfur marine/bunker fuel compositions and methods of making same. Contrary to conventional marine/bunker fuel compositions/methods, the inventive lower sulfur compositions/methods focus on use of mostly uncracked components, such as (cat feed) hydrotreated gasoils, and
This invention relates to low sulfur marine/bunker fuel compositions and methods of making same. Contrary to conventional marine/bunker fuel compositions/methods, the inventive lower sulfur compositions/methods focus on use of mostly uncracked components, such as (cat feed) hydrotreated gasoils, and/or can also have reduced contents of residual components.
대표청구항▼
1. A low sulfur marine and/or bunker fuel composition comprising: 30 vol % to 100 vol % of an uncracked, hydrotreated gasoil product having at most 5000 wppm sulfur content, a pour point of at least 7° C., a T5 boiling point of at least 280° C., a T50 boiling point of at least 400° C., and a kinemat
1. A low sulfur marine and/or bunker fuel composition comprising: 30 vol % to 100 vol % of an uncracked, hydrotreated gasoil product having at most 5000 wppm sulfur content, a pour point of at least 7° C., a T5 boiling point of at least 280° C., a T50 boiling point of at least 400° C., and a kinematic viscosity of at least 12 cSt at about 50° C.; andup to 70 vol % of other components, selected from viscosity modifiers, pour point depressants, lubricity modifiers, antioxidants, and combinations thereof,wherein the low sulfur marine and/or bunker fuel composition has: at most 5000 wppm sulfur content;at most 25 vol %, based on all components of the marine and/or bunker fuel composition, of residual components selected from crude fractionation vacuum resid, deasphalted vacuum resid, slurry oil, and combinations thereof;less than 50 vol %, based on all components of the marine and/or bunker fuel composition, of residual components, components subject to a refinery cracking step, or both; andat least one of a kinematic viscosity at about 50° C. from 12 cSt to 50 cSt, a density at about 15° C. from 0.90 g/cm3 to 0.94 g/cm3, a pour point from 7° C. to 45° C., and a calculated carbon aromaticity index of 850 or less. 2. The low sulfur marine and/or bunker fuel composition according to claim 1, wherein the uncracked, hydrotreated gasoil product exhibits a sulfur content of at most 600 wppm, a pour point of at most 30° C., and/or a kinematic viscosity of at most 50 cSt at about 50° C. 3. The low sulfur marine- and/or bunker fuel composition according to claim 1, wherein the sulfur content is between 900 wppm and 1000 wppm. 4. The low sulfur marine and/or bunker fuel composition according to claim 1, comprising at most 30 vol %, based on all components of the low sulfur marine and/or bunker fuel composition, of components subject to a refinery cracking step, and/or at most 10 vol % of residual components, based on all components of the low sulfur marine and/or bunker fuel composition. 5. The low sulfur marine and/or bunker fuel composition according to claim 1, wherein the uncracked, hydrotreated gasoil product comprises from 80 vol % to 100 vol % of the composition. 6. The low sulfur marine and/or bunker fuel composition according to claim 1, wherein the uncracked, hydrotreated gasoil product comprises from 85 vol % to 99.99 vol % of the composition. 7. The low sulfur marine and/or bunker fuel composition according to claim 1, wherein the uncracked, hydrotreated gasoil product comprises up to 15 vol % of slurry oil, fractionated crude oil, or a combination thereof. 8. The low sulfur marine and/or bunker fuel composition according to claim 1, which exhibits one or more of the following: a flash point of at least 60° C.; a hydrogen sulfide content of at most 2.0 mg/kg; an acid number of at most 0.5 mg KOH per gram; a sediment content of at most 0.1 wt %; a water content of at most 0.3 vol %; and an ash content of at most 0.01 wt %. 9. The low sulfur marine and/or bunker fuel composition according to claim 1, wherein the uncracked, hydrotreated gasoil product has a T5 boiling point of at least 290° C. and a T50 boiling point of at least 425° C. 10. The low sulfur marine and/or bunker fuel composition according to claim 1, wherein the uncracked, hydrotreated gasoil product has an IBP of at least 230° C., a T95 boiling point of at least 510° C., and an FBP of at least 560° C. 11. The low sulfur marine and/or bunker fuel composition according to claim 1, wherein the uncracked, hydrotreated gasoil product has an IBP of at least 235° C., a T95 boiling point of at least 545° C., and an FBP of at least 590° C. 12. The low sulfur marine and/or bunker fuel composition according to claim 9, wherein the uncracked, hydrotreated gasoil product has an IBP of at least 235° C., a T95 boiling point of at least 545° C., and an FBP of at least 590° C.
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