US2025002800A1PendingUtilityA1
Marine fuel base comprising a component of renewable origin and method for manufacturing same
Est. expiryNov 23, 2041(~15.3 yrs left)· nominal 20-yr term from priority
C10L 2200/0446C10L 10/00C10L 1/02C10G 2400/04C10G 9/007C10L 2270/026C10L 2200/0438C10L 1/19
26
PatentIndex Score
0
Cited by
0
References
0
Claims
Abstract
A marine fuel base comprising an alkyl ester component of renewable origin, derived from fatty acids of plant or animal origin, which improves the viscosity and stability of a petroleum residuum, especially a visbroken residuum.
Claims
exact text as granted — not AI-modified1 . Use of fatty acid alkyl esters to improve the viscosity of a component of at least one hydrocarbon residue and obtain a marine fuel base, wherein (i) 10 to 70% m/m of a first component consisting of fatty acid alkyl esters of renewable origin is mixed with (ii) 90% to 30% m/m of a second component consisting of at least one hydrocarbon residue coming from a crude oil chosen from an atmospheric residue, a vacuum residue and a visbreaking residue, and the mixture obtained forms a marine fuel base that has a kinematic viscosity at 50° C. 15 to 75% lower than a kinematic viscosity calculated according to the formula:
ϑ
=
exp
(
exp
(
V
B
mélange
-
23.097
33.469
)
)
-
0.8
,
(
4
)
where VB mélange is the weighted average of the viscosity indices of the first component and of the second component, these viscosity indices being calculated via the formula:
V
B
i
=
2
3
.
0
9
7
+
3
3
.
4
69
×
ln
(
ln
(
v
i
+
0
.
8
)
)
,
(
5
)
where v i is the kinematic viscosity of the component i expressed in stokes.
2 . Use according to claim 1 , wherein the mixture obtained has a kinematic viscosity at 100° C. 5 to 30% lower than the calculated viscosity.
3 . Use according to claim 1 , wherein the at least one hydrocarbon residue chosen from a vacuum residue and a visbreaking residue.
4 . Use according to claim 1 , wherein the at least one hydrocarbon residue is a visbreaking residue.
5 . Use according to claim 3 or 4 , to obtain a mixture having an S-value measured according to the standard ASTM D7157-18 (2018 Revision) greater than a calculated S-value S mélange , defined as being equal to:
S
mélange
=
So
mélange
1
-
Sa
mélange
,
(
3
)
with,
So
mélange
=
∑
x
i
×
S
o
i
(
1
)
or
So
mélange
=
Σ
x
i
×
(
1
0
0
-
A
S
P
i
)
×
S
o
i
Σ
x
i
×
(
1
0
0
-
A
S
P
i
)
,
(
1
bis
)
Sa
mélange
=
Σ
x
i
×
A
S
P
i
×
S
a
i
Σ
x
i
×
A
S
P
i
(
2
)
where:
the parameters So and Sa are as defined in the standard ASTM D7157-18 (2018 Revision), and
x i is the mass fraction of the component i,
ASP i is the content of asphaltenes (% m) of the component i,
So i is the solvent power of the component i,
Sa i is the peptizability of the component i,
and the solvent power of the first component is estimated from a correlation expressing the solvent power So of said first component according to the kinematic viscosity at 50° C., the kinematic viscosity at 100° C. and the density at 15° C. of said first component.
6 . Use according to claim 1 , wherein the first component comprises methyl esters, ethyl esters, propyl esters and the mixtures thereof.
7 . Marine fuel base comprising:
(i) 10 to 70% m/m of a first component consisting of fatty acid alkyl esters of renewable origin, (ii) 90 to 30% m/m of a second component consisting of at least one hydrocarbon residue coming from a crude oil chosen from an atmospheric residue, a vacuum residue and a visbreaking residue, said base having a kinematic viscosity at 50° C. 15 to 75% lower than a kinematic viscosity calculated according to the formula:
ϑ
=
exp
(
exp
(
V
B
mélange
-
23.097
33.469
)
)
-
0.8
(
4
)
where VB mélange is the weighted average of the viscosity indices of the first component and of the second component, these viscosity indices being calculated via the formula:
V
B
i
=
2
3
.
0
9
7
+
3
3
.
4
69
×
ln
(
ln
(
v
i
+
0
.
8
)
)
,
(
5
)
where v i is the kinematic viscosity of the component i expressed in stokes.
8 . Base according to claim 7 , having a kinematic viscosity at 100° C. 5 to 30% lower than the calculated viscosity.
9 . Base according to claim 7 , wherein the at least one hydrocarbon residue of the second component is chosen from a vacuum residue and a visbreaking residue.
10 . Base according to claim 7 , wherein the at least one hydrocarbon residue of the second component is a visbreaking residue.
11 . Base according to claim 9 having an S-value measured according to the standard ASTM D7157-18 (2018 Revision) greater than a calculated S-value S mélange , defined as being equal to:
S
mélange
=
So
mélange
1
-
Sa
mélange
,
(
equation
3
)
with,
So
mélange
=
∑
x
i
×
S
o
i
(
equation
l
)
or
So
mélange
=
Σ
x
i
×
(
1
0
0
-
A
S
P
i
)
×
S
o
i
Σ
x
i
×
(
1
0
0
-
A
S
P
i
)
,
(
equation
l
bis
)
Sa
mélange
=
Σ
x
i
×
A
S
P
i
×
S
a
i
Σ
x
i
×
A
S
P
i
(
equation
2
)
where:
the parameters So and Sa are as defined in the standard ASTM D7157-18 (2018 Revision), and
x i is the mass fraction of the component i,
ASP i is the content of asphaltenes (% m/m) of the component i,
So i is the solvent power of the component i,
Sa i is the peptizability of the component i,
and the solvent power of the first component is estimated from a correlation expressing the solvent power So of said first component according to the kinematic viscosity at 50° C., the kinematic viscosity at 100° C. and the density at 15° C. of said first component.
12 . Base according to claim 7 , wherein the component of fatty acid alkyl esters of renewable origin comprises methyl esters, ethyl esters, propyl esters and the mixtures thereof.
13 . Marine fuel comprising a base according to claim 7 , and optionally at least one fluxant of petroleum origin.
14 . Method for improving the viscosity of a component of at least one hydrocarbon residue for the preparation of a marine fuel base comprising the mixture of (i) 10 to 70% m/m of a first component consisting of fatty acid alkyl esters of renewable origin with (ii) 90% to 30% m/m of a second component consisting of at least one hydrocarbon residue coming from a crude oil chosen from an atmospheric residue, a vacuum residue and a visbreaking residue, and for obtaining a mixture forming a marine fuel base that has a kinematic viscosity at 50° C. 15 to 75% lower than a kinematic viscosity calculated according to the formula:
ϑ
=
exp
(
exp
(
V
B
mélange
-
23.097
33.469
)
)
-
0.8
,
(
4
)
where VB mélange is the weighted average of the viscosity indices of the first component and of the second component, these viscosity indices being calculated via the formula:
V
B
i
=
2
3
.
0
9
7
+
3
3
.
4
69
×
ln
(
ln
(
v
i
+
0
.
8
)
)
,
(
5
)
where v i is the kinematic viscosity of the component i expressed in stokes.Join the waitlist — get patent alerts
Track US2025002800A1 — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.