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Blended fuel composition having improved cold flow properties

a fuel composition and cold flow technology, applied in the field of blended fuel compositions, can solve the problems of increasing production costs, limiting the concentration of blending in the diesel pool, and renewable diesel showing poor cold flow properties, etc., and achieve the effect of improving cold flow properties

Inactive Publication Date: 2011-06-02
PHILLIPS 66 CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0012]The present invention relates generally to fuel compositions. More specifically, the present invention relates to a blended fuel composition comprising petroleum based fuel and renewable based fuel which exhibit improved cold flow properties.

Problems solved by technology

Therefore, renewable diesel exhibits poor cold flow properties, e.g., cloud point, pour point and Cold Filter Plugging Point (CFPP).
Generally, it is thought that renewable diesel would have a big impact on the cold flow properties of petroleum diesel, which would limit its blending concentration in the diesel pool.
However, such processes will increase the production cost and decrease the diesel volume yield.
However, cold flow additives are expensive.
Therefore, using cold flow additive is economically unfavorable.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0042]Table 1 shows the CP, PP, CFPP and boiling point of tallow renewable diesel. For tallow renewable diesel, ˜99% of the compounds boil below 626.2° F. This is because the main components of renewable diesel are n-C 15 to n-C18 paraffins, which have boiling points between 519° F. and 602° F., respectively. CP, PP and CFPP are 60° F., 54° F. and 10° C., respectively.

TABLE 1Cold flow PropertiesTallow renewable dieselCloud Point (F.)60Pour Point (F.)54CFPP (C.)10SimDisBoiling Point (F.)IBP389.110% BP521.850% BP580.180% BP604.690% BP607.799% BP626.2FBP643.1

example 2

[0043]Table 2 shows the impact of renewable diesel on the cold flow properties of diesel 1. CP, PP and CFPP all increased rapidly with renewable diesel concentration. Boiling point of diesel 1 is shown in Table 3. Compared to renewable diesel, boiling point of diesel 1 is low. For example, 50% of the compounds in diesel 1 is lighter than tallow renewable diesel and less than 5% is heavier than renewable diesel. Therefore, blending renewable diesel has a big impact on cold flow properties of petroleum diesel.

TABLE 2Impact of renewable diesel on the cold flow properties of diesel 1Renewable Diesel Content (%)0251020Cloud Point (F.)−6−31617Pour Point (F.)−21−15−9−39CFPP (C.)−22−20−18−16−13

TABLE 3Boiling point of diesel 1Boiling Point (F.)IBP292.210% BP399.250% BP506.280% BP570.390% BP598.999% BP647.5FBP654.1

example 3

[0044]Table 4 shows the impact of renewable diesel on the cold flow properties of diesel 2. CP, PP and CFPP all increased with renewable diesel concentration. However, the impact of renewable diesel on the cold flow properties of diesel 2 is smaller than that of diesel 1. Boiling point of diesel 2 is shown in Table 5. Compared to renewable diesel, the boiling point of diesel 2 is still low. For example, ˜45% of the compounds in diesel 2 are lighter than tallow renewable diesel and ˜10% is heavier than renewable diesel. Therefore, blending renewable diesel still has impact on cold flow properties of petroleum diesel. However, since the boiling point of diesel 2 is higher than that of diesel 1, the impact of renewable diesel on the cold flow properties of diesel 2 is smaller than that of diesel 1.

TABLE 4Impact of renewable diesel on the cold flow properties of diesel 2Renewable Diesel Content (%)0251020Cloud Point (F.)4571017Pour Point (F.)−12−9−309CFPP (C.)−16−16−16−16−13

TABLE 5Boili...

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Abstract

There is provided a fuel composition comprising petroleum based component and a renewable based component, wherein at least 20% of the compounds in said petroleum based component having boiling point range equal or greater than the boiling point of said renewable based component.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is a non-provisional application which claims benefit under 35 USC §119(e) to U.S. Provisional Application Ser. No. 61 / 265,076 filed Nov. 30, 2009, entitled “A BLENDED FUEL COMPOSITION HAVING IMPROVED COLD FLOW PROPERTIES” which is incorporated herein in their entirety.STATEMENT OF FEDERALLY SPONSORED RESEARCH[0002]NoneFIELD OF THE DISCLOSURE[0003]The present invention relates generally to fuel compositions. More specifically, the present invention relates to a blended fuel composition comprising petroleum based fuel and renewable fuel which exhibit improved cold flow properties. The present invention also relates to the method of making such compositions.BACKGROUND OF THE DISCLOSURE[0004]There is a national interest in the discovery of alternative sources of fuels and chemicals, other than from petroleum resources. As the public discussion concerning the availability of petroleum resources and the need for alternative so...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C10L1/19C10L1/10C10L1/18
CPCC10L1/1616C10G2300/1055C10L1/1802C10L1/1822C10L1/19C10L1/191C10L10/14C10L2200/043C10L2200/0438C10L2200/0446C10L2200/0469C10L2200/0476C10L2200/0484C10L2200/0492C10L1/04C10L1/08C10G3/42C10G3/50C10G2300/1014C10G2300/1018C10G2300/1022C10G2300/301C10G2300/304C10G2400/04Y02E50/13C10G2300/1051C10L1/18Y02P30/20Y02E50/10
Inventor XU, XIAOCHUNBAO, YUNYAO, JIANHUAGHONASGI, DHANANJAY B.SUGHRUE, II, EDWARD L.MYERS, LISA L.
Owner PHILLIPS 66 CO
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