Selection of materials to test for and/or remove drag reducer additive in liquid hydrocarbon fuels
AssigneeSouthwest Research Institute
InventorJohn Andrew Waynick
Life of this patent
Estimating the term…
Abstract
A method for selecting an effective removal agent and a method of removing drag reducer additive from liquid hydrocarbon fuels, preferably gasoline or jet fuel.
Claims103
A method of selecting one or more removal agents effective to substantially reduce a concentration of drag reducer additive in a liquid hydrocarbon fuel, said method comprising:
- providing motor gasoline comprising a quantity of a drag reducer additive;
- forming a dispersion of a carbonaceous selection agent in said motor gasoline under conditions effective to agitate and observe said dispersion;
- and,
- selecting as said one or more removal agents said carbonaceous selection agents that produce visible agglomerates.
A method of selecting one or more removal agents effective to substantially reduce a concentration of drag reducer additive in a liquid hydrocarbon fuel, said method comprising:
- providing an amount of motor gasoline comprising a quantity of a drag reducer additive;
- forming a dispersion of a volume of activated carbon in said motor gasoline under conditions effective to agitate and observe said dispersion;
- and,
- selecting as said one or more removal agents said activated carbons that produce visible agglomerates.
A method of selecting one or more removal agents effective to substantially reduce a concentration of drag reducer additive in motor gasoline, said method comprising:
- providing motor gasoline comprising a quantity of a drag reducer additive;
- forming a dispersion of one or more carbonaceous selection agents in said motor gasoline under conditions effective to agitate and observe said dispersion;
- and,
- selecting as said one or more removal agents said one or more carbonaceous selection agents that produce visible agglomerates.
A method of selecting one or more removal agents effective to substantially reduce a concentration of drag reducer additive in motor gasoline, said method comprising:
- providing an amount of motor gasoline comprising a quantity of a drag reducer additive;
- forming a dispersion of a volume of one or more activated carbons in said motor gasoline under conditions effective to agitate and observe said dispersion;
- and,
- selecting as said one or more removal agents said one or more activated carbons that produce visible agglomerates.
A method of selecting one or more removal agents effective to substantially reduce a concentration of drag reducer additive in a liquid hydrocarbon fuel, said method comprising:
- providing said liquid hydrocarbon fuel comprising a quantity of a drag reducer additive;
- forming a dispersion of one or more carbonaceous selection agents in said liquid hydrocarbon fuel under conditions effective to agitate and observe said dispersion;
- and,
- selecting as said one or more removal agents said one or more carbonaceous selection agents that produce visible agglomerates.
A method of selecting one or more removal agents effective to substantially reduce a concentration of a given drag reducer additive in a liquid hydrocarbon fuel, said method comprising:
- providing motor gasoline comprising a quantity of said given drag reducer additive;
- forming a dispersion of one or more carbonaceous selection agents in said motor gasoline under conditions effective to agitate and observe said dispersion;
- and,
- selecting as said one or more removal agents said one or more carbonaceous selection agents having a rheological behavior category (RBC) selected from the group consisting of an RBC of 1, an RBC of 2, and an RBC of 3.
A method of selecting one or more removal agents effective to substantially reduce a concentration of a given drag reducer additive in a liquid hydrocarbon fuel, said method comprising:
- providing motor gasoline comprising a quantity of said given drag reducer additive;
- forming a dispersion of one or more carbonaceous selection agents in said motor gasoline under conditions effective to agitate and observe said dispersion;
- and,
- selecting as said one or more removal agents said one or more carbonaceous selection agents having a RBC selected from the group consisting of an RBC of 1 and an RBC of 2.
A method of selecting one or more removal agents effective to substantially reduce a concentration of a given drag reducer additive in a liquid hydrocarbon fuel, said method comprising:
- providing motor gasoline comprising a quantity of said given drag reducer additive;
- forming a dispersion of one or more carbonaceous selection agents in said motor gasoline under conditions effective to agitate and observe said dispersion;
- and,
- selecting as said one or more removal agents said one or more carbonaceous selection agents having a RBC of 1.
A method of selecting one or more removal agents effective to substantially reduce a concentration of a given drag reducer additive in a liquid hydrocarbon fuel, said method comprising:
- providing motor gasoline comprising a quantity of said given drag reducer additive;
- forming a dispersion of one or more activated carbons in said motor gasoline under conditions effective to agitate and observe said dispersion;
- and,
- selecting as said one or more removal agents said one or more activated carbons having a RBC selected from the group consisting of an RBC of 1, an RBC of 2, and an RBC of 3.
A method of selecting one or more removal agents effective to substantially reduce a concentration of a given drag reducer additive in a liquid hydrocarbon fuel, said method comprising:
- providing motor gasoline comprising a quantity of said given drag reducer additive;
- forming a dispersion of one or more activated carbons in said motor gasoline under conditions effective to agitate and observe said dispersion;
- and,
- selecting as said one or more removal agents said one or more activated carbons having a RBC selected from the group consisting of an RBC of 1 and an RBC of 2.
A method of selecting one or more removal agents effective to substantially reduce a concentration of a given drag reducer additive in a liquid hydrocarbon fuel, said method comprising:
- providing motor gasoline comprising a quantity of said given drag reducer additive;
- forming a dispersion of one or more activated carbons in said motor gasoline under conditions effective to agitate and observe said dispersion;
- and,
- selecting as said one or more removal agents said one or more activated carbons having a RBC of 1.
A method of detecting the presence of drag reducer additive in a liquid hydrocarbon fuel, said method comprising:
- providing a sample of said liquid hydrocarbon fuel;
- forming a dispersion of one or more effective removal agents in said sample under conditions effective to agitate and observe said dispersion;
- and,
- determining whether said dispersion produces visible agglomerates, thereby indicating the presence of drag reducer additive.
A method of removing drag reducer additive from a liquid hydrocarbon fuel, said method comprising:
- providing a contaminated liquid hydrocarbon fuel comprising a concentration of a drag reducer additive;
- contacting said contaminated liquid hydrocarbon fuel with a quantity of one or more effective removal agents under conditions effective to substantially reduce said concentration of drag reducer additive, thereby producing a clean liquid hydrocarbon fuel.
A method of removing drag reducer additive from a liquid hydrocarbon fuel, said method comprising:
- providing a contaminated liquid hydrocarbon fuel comprising a concentration of a drag reducer additive;
- contacting said liquid hydrocarbon fuel with a quantity of one or more effective carbonaceous removal agents under conditions effective to remove said drag reducer additive, thereby producing a clean liquid hydrocarbon fuel.
A method of removing drag reducer additive from a liquid hydrocarbon fuel, said method comprising:
- providing a contaminated liquid hydrocarbon fuel comprising a concentration of at least one drag reducer additive;
- contacting said contaminated liquid hydrocarbon fuel with a quantity of one or more activated carbons comprising effective removal agents under conditions effective to substantially reduce said concentration of said at least one drag reducer additive, thereby producing a clean liquid hydrocarbon fuel.
A method of removing drag reducer additive from motor gasoline, said method comprising:
- providing a contaminated motor gasoline comprising a concentration of at least one drag reducer additive;
- contacting said contaminated motor gasoline with a quantity of one or more effective removal agents under conditions effective to substantially reduce said concentration of said at least one drag reducer additive, thereby producing a clean motor gasoline.
A method of removing drag reducer additive from motor gasoline, said method comprising:
- providing a contaminated motor gasoline comprising a concentration of at least one drag reducer additive;
- contacting said contaminated motor gasoline with a quantity of one or more carbonaceous materials comprising effective removal agents under conditions effective to substantially reduce said concentration of said at least one drag reducer additive, thereby producing a clean motor gasoline.
A method of removing drag reducer additive from motor gasoline, said method comprising:
- providing a contaminated motor gasoline comprising a concentration of at least one drag reducer additive;
- contacting said contaminated motor gasoline with a quantity of one or more activated carbons comprising effective removal agents under conditions effective to substantially reduce said concentration of said at least one drag reducer additive, thereby producing a clean motor gasoline.
A method of removing drag reducer additive from jet fuel, said method comprising:
- providing a contaminated jet fuel comprising a concentration of at least one drag reducer additive;
- contacting said contaminated jet fuel with a quantity of one or more effective removal agents under conditions effective to substantially reduce said concentration of said at least one drag reducer additive, thereby producing a clean jet fuel.
A method of removing drag reducer additive from jet fuel, said method comprising:
- providing a contaminated jet fuel comprising a concentration of at least one drag reducer additive;
- contacting said contaminated jet fuel with a quantity of one or more carbonaceous materials comprising effective removal agents under conditions effective to substantially reduce said concentration of said at least one drag reducer additive, thereby producing a clean jet fuel.
A method of removing drag reducer additive from jet fuel, said method comprising:
- providing a contaminated jet fuel comprising a concentration of at least one drag reducer additive;
- contacting said contaminated jet fuel with a quantity of one or more activated carbons comprising effective removal agents under conditions effective to substantially reduce said concentration of said at least one drag reducer additive, thereby producing a clean jet fuel.
Dependencies are inferred from the claim text.