EP2751225A1 - Procédé de traitement d'une huile lourde d'hydrocarbure - Google Patents

Procédé de traitement d'une huile lourde d'hydrocarbure

Info

Publication number
EP2751225A1
EP2751225A1 EP12831535.5A EP12831535A EP2751225A1 EP 2751225 A1 EP2751225 A1 EP 2751225A1 EP 12831535 A EP12831535 A EP 12831535A EP 2751225 A1 EP2751225 A1 EP 2751225A1
Authority
EP
European Patent Office
Prior art keywords
hydrocarbon oil
cavitation
flow
oil
api gravity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP12831535.5A
Other languages
German (de)
English (en)
Other versions
EP2751225A4 (fr
Inventor
Oleg Kozyuk
Peter Reimers
Paul A. Reinking
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arisdyne Systems Inc
Original Assignee
Arisdyne Systems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arisdyne Systems Inc filed Critical Arisdyne Systems Inc
Publication of EP2751225A1 publication Critical patent/EP2751225A1/fr
Publication of EP2751225A4 publication Critical patent/EP2751225A4/fr
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G15/00—Cracking of hydrocarbon oils by electric means, electromagnetic or mechanical vibrations, by particle radiation or with gases superheated in electric arcs
    • C10G15/08—Cracking of hydrocarbon oils by electric means, electromagnetic or mechanical vibrations, by particle radiation or with gases superheated in electric arcs by electric means or by electromagnetic or mechanical vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B01J19/006—Baffles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/008—Processes for carrying out reactions under cavitation conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1812—Tubular reactors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/26—Nozzle-type reactors, i.e. the distribution of the initial reactants within the reactor is effected by their introduction or injection through nozzles
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G31/00—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for
    • C10G31/06—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by heating, cooling, or pressure treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00575—Controlling the viscosity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00584—Controlling the density
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/20—Characteristics of the feedstock or the products
    • C10G2300/30—Physical properties of feedstocks or products
    • C10G2300/302—Viscosity
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/20—Characteristics of the feedstock or the products
    • C10G2300/30—Physical properties of feedstocks or products
    • C10G2300/308—Gravity, density, e.g. API
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/40—Characteristics of the process deviating from typical ways of processing
    • C10G2300/4012—Pressure

Definitions

  • the invention relates to methods of treating hydrocarbon oil and, more particularly, to methods for reducing the viscosity and increasing specific gravity of heavy hydrocarbon oil.
  • Oil reserves are gradually being depleted and costs related to processing heavy oil resources, for example oils having API gravity less than about 23, continue to increase. Large quantities of such heavy oils are available in oil deposits in Western Canada and heavy bituminous oils extracted from oil sands.
  • Other sources of heavy oils can be such materials as atmospheric tar bottoms products, vacuum tar bottoms products, heavy cycle oils, shale oils, coal-derived liquids, crude oil residua, topped crude oils, and combinations thereof.
  • a process for treating a hydrocarbon oil including providing a flow- through, hydrodynamic cavitation apparatus having a local constriction.
  • the hydrocarbon oil is passed through the local constriction of the flow-through, hydrodynamic cavitation apparatus to form cavitation bubbles.
  • No substances that are not a hydrocarbon oil are passed through the cavitation apparatus with the hydrocarbon oil, either in a mixture with the hydrocarbon oil or separately.
  • the cavitation bubbles are collapsed under static pressure to treat the hydrocarbon oil.
  • the treated hydrocarbon oil is extracted or removed from the cavitation apparatus.
  • the treated hydrocarbon oil has an increased API gravity compared to the untreated hydrocarbon oil prior to passing it through the cavitation apparatus.
  • a process for reducing the viscosity of a heavy hydrocarbon oil including providing a flow-through, hydrodynamic cavitation apparatus having a local constriction.
  • a preheated fluid being essentially heavy hydrocarbon oil, substantially free or free of non-heavy hydrocarbon oil substances, at a temperature of at least 320° C, is passed through the local constriction of the flow-through, hydrodynamic cavitation apparatus to form cavitation bubbles.
  • the cavitation bubbles are collapsed under static pressure to treat the fluid.
  • the treated fluid is extracted from the cavitation apparatus wherein the treated fluid has a viscosity of at least 80 percent less than the viscosity of the fluid prior to passing through the cavitation apparatus.
  • FIG. 1 shows a flow diagram of a process for treating hydrocarbon oil.
  • FIG. 2 shows a cross section view of a cavitation apparatus.
  • FIG. 4 shows a cross section view of a cavitation apparatus.
  • a range such as 5-25 (or 5 to 25) is given, this means preferably at least 5 and, separately and independently, preferably not more than or less than 25. In an example, such a range defines independently not less than 5, and separately and independently, not less than 25.
  • hydrocarbon oil Treatment of hydrocarbon oil, as used herein, relates to the hydrodynamic cavitation of the hydrocarbon oil such that its viscosity is reduced and/or API gravity is increased. Hydrodynamic cavitation as described below yields high pressure, such as above 600 psi, and high temperature, such as above 380° C, processing conditions that are desirable for effectively treating hydrocarbon oil.
  • cavitation can be described as the generation, subsequent growth and collapse of cavitation bubbles.
  • high-localized pressures and temperatures are achieved, with some estimations of 5000° C and pressure of approximately 500 kg/cm 2 (K. S. Suslick, Science, Vol. 247, 23 Mar. 1990, pgs. 1439-1445).
  • High temperatures and pressures can create destructive forces which may not be possible under ordinary conditions, such as standard temperature and pressure, STP.
  • STP standard temperature and pressure
  • the cavitation treatment of the hydrocarbon oil can create treated hydrocarbon oil having improved and stable physical characteristics, such as reduced viscosity and increased API gravity.
  • the treated and stable hydrocarbon oil having increased API gravity and/or reduced viscosity preferably retains the upgraded physical properties over time or permanently such that the improved API gravity and/or viscosity parameters do not return to original values as measured in the pre- processed or untreated hydrocarbon oil.
  • the hydrocarbon oil can be heavy hydrocarbon oil having high viscosity and/or low API gravity, which can cause the oil to be difficult to pump and process.
  • a heavy hydrocarbon oil includes oil having a high viscosity and/or an API gravity less than about 23 degree, such as that found in oils extracted from oil sands, or materials such as atmospheric tar bottoms products, vacuum tar bottoms products, heavy cycle oils, shale oils, coal-derived liquids, crude oil residue, topped crude oils and the like.
  • a process for treating fluid being hydrocarbon oil, and preferably heavy hydrocarbon oil, by subjecting it to hydrodynamic cavitation to reduce the viscosity and/or increase the API gravity of the hydrocarbon oil is treated with hydrodynamic cavitation without mixing the hydrocarbon oil with a non-hydrocarbon oil substance such that the hydrocarbon oil is treated in absence of a non-hydrocarbon oil substance or is substantially free of non-hydrocarbon oil substances, for example, less than 1 weight percent, more preferably less than 0.5 weight percent and more preferably less than 0.1 weight percent of a non-hydrocarbon oil substance as measured by weight of the hydrocarbon oil to be treated.
  • non- hydrocarbon oil substances can include, but are not limited to, gases, such as hydrogen gas, catalysts, caustic, organic materials, organic solvents, such as pentane, liquefied petroleum gases, alcohols, such as ethanol and methanol, ethers, water or steam, and mixtures thereof.
  • gases such as hydrogen gas, catalysts, caustic
  • organic materials such as organic solvents, such as pentane, liquefied petroleum gases, alcohols, such as ethanol and methanol, ethers, water or steam, and mixtures thereof.
  • hydrocarbon oil inherently contains a mixture of materials, for purposes herein, hydrocarbon oil is not mixed with non-hydrocarbon oil substances or individual components present in the hydrocarbon oil prior to processing through the cavitation apparatus.
  • the process for treating fluid being hydrocarbon oil, and preferably heavy hydrocarbon oil, by subjecting it to hydrodynamic cavitation to reduce the viscosity and/or increase the API gravity of the hydrocarbon oil is completed in the absence of other cavitation techniques, such as dynamic devices that produce hydrodynamic cavitation.
  • Dynamic devices can include moving or rotating parts that promote or induce cavitation as a function of shearing forces caused by moving mechanical or magnetic parts of such devices.
  • the flow-through, hydrodynamic cavitation apparatus is preferably a static cavitation apparatus containing no moving parts such that cavitation is induced by forcing or actively passing fluid through the static cavitation apparatus to produce a cavitation zone at or near a stationary local constriction in the apparatus, such as an orifice.
  • cavitational energy can be created by passing the fluid through a static cavitation reactor having one or more orifices, either in a single pass or cycle or multiple passes as desired.
  • FIG. 1 shows a schematic flow diagram of a process for treating hydrocarbon oil.
  • Hydrocarbon oil feedstock is provided in storage vessel 1.
  • the storage vessel 1 can be an atmospheric or pressurized tank, and further include a heating means, such as a heating jacket, for heating the hydrocarbon oil feedstock prior to treatment.
  • Hydrocarbon oil feedstock can be dense (low API gravity, such as in the range of 10 to 23 degree) and have a high viscosity, such as above 200 cSt at a temperature of 50° C, which can make the hydrocarbon oil difficult to pump. Preheating the hydrocarbon oil feedstock can increase flowability and ease pumping for purposes of processing.
  • the hydrocarbon oil feedstock 2 can be drawn from storage vessel 1 to feed pump 3 for transferring the pumped hydrocarbon oil 4 to heat exchanger 10.
  • the hydrocarbon oil 4 stream can be heated to a temperature in the range of 300° to 500° C by any conventional heating method, such as by one or a combination of heating components. As shown, the hydrocarbon oil 4 stream can be heated by passing through heat exchanger 10. The preheated hydrocarbon oil 11 can be further heated in a heat exchanger 12, such as an oven. The heated hydrocarbon oil 13 can be fed to a flow-through cavitation apparatus 14 for inducing cavitation treatment of the hydrocarbon oil 13.
  • the flow-through cavitation apparatus 14 preferably includes at least one local constriction, such as an orifice, one or more baffles, or nozzle, for statically generating a hydrodynamic cavitation zone.
  • the flow-through cavitation apparatus 14 can be as described in U.S.
  • the flow-through cavitation apparatus 14 can create a hydrodynamic cavitation zone containing cavitation bubbles.
  • the cavitation bubbles are generated by passing the hydrocarbon oil 13 through the local constriction of the cavitation apparatus 14 at an inlet pressure of at least 300, 500, 800, 1000, 1300, 1500, 1800, 2000, 2300, 2600 or 2900 psi.
  • the pressure drop across the local constriction can be at least 300, 500, 800, 1000, 1200, 1500, 1800, 2000, 2200 or 2500 psi.
  • the cavitation bubbles can be maintained in the hydrodynamic cavitation zone for less than 0.1, 0.05, 0.01, 0.005, 0.0025 or 0.001 second.
  • the cavitation bubbles are collapsed under static pressure downstream of the local constriction of the cavitation apparatus 14.
  • the collapsing of the cavitation bubbles induces treatment of the hydrocarbon oil thereby increasing the API gravity of the hydrocarbon oil and/or reducing the viscosity of the hydrocarbon oil, as compared to values measured prior to passing the untreated hydrocarbon oil through the cavitation apparatus.
  • the static pressure for collapsing the cavitation bubbles is at least 150 psi, and preferably in the range of 150-600, 150-400 or 200-400 psi.
  • the treated hydrocarbon oil 15 downstream of the flow-through, hydrodynamic cavitation apparatus 14 can have an API gravity increase (i.e. lighter) of greater than 20, 30, 40, 50, 60, 70, 80, 85, 90, 95 or 98 percent.
  • the API gravity of the treated hydrocarbon oil 15 can be 1, 1.5, 2, 2.5, 3, 4, 5, 6, 7, 8, 9 or
  • the treated hydrocarbon oil 15 can be used as a heating medium for pre -heating the pre-processed or untreated hydrocarbon oil stream 9.
  • the treated hydrocarbon oil 15, which can be at a temperature of 300° to 500° C, 320° to 480° C, or 400° to 460° C, can be passed through heat exchanger 10 before being cooled later to result in an upgraded hydrocarbon oil 16 having improved viscosity and/or API gravity characteristics.
  • FIG. 2 shows a flow-through, hydrodynamic cavitation apparatus 14 having a local constriction 21, such as an orifice 22, for statically treating hydrocarbon oil 13 via hydrodynamic cavitation.
  • the orifice 22 can be any shape, for example, cylindrical, conical, oval, right-angled, square, etc. Depending on the size and shape of the orifice 22, the shape of the cavitation zone flowing at or
  • the orifice 22 can have any diameter, D 2 , for example, the diameter can be greater than 0.1, 0.2, 0.3, 0.4, 0.6, 0.8, 1, 2, 5, 10 or 20 mm. In one example, the orifice 22 diameter can be about 0.3 mm to about 1 mm.
  • the local constriction 21 can include baffles, nozzles and the like.
  • the flow-through channel 20, such as a pipe or tube can have two or more local constrictions in series, such as a first local constriction having one orifice of a desired diameter and a second local constriction having one orifice of a desired diameter.
  • the diameters of the first and second orifices can be the same or may vary.
  • the first chamber 23 has a static pressure Pi and the second chamber 24 has a static pressure P 2 .
  • Hydrocarbon oil flow 13 into the apparatus 14 can be provided with the aid of fluid pumping devices as known in the art, such as a pump, centrifugal pump, positive-displacement pump or diaphragm pump.
  • An auxiliary pump can provide flow under a static pressure Pi, or the processing pressure, to the first chamber 23.
  • the processing pressure is preferably at least 200, 500, 700, 1,000, 1,400, 1,800, 2,200, 2,500 or 2,900 psi. The processing pressure is reduced as the hydrocarbon oil 13 passes through the flow-through channel 20 and orifice 22.
  • the pressure differential across the orifice 22 allows control of the cavitation intensity in the hydrodynamic cavitation zone in the flow-through channel 20 near or downstream of the local constriction 21.
  • the pressure differential across the orifice 22 is preferably at least 300, 500, 800, 1000, 1200, 1500, 1800, 2000, 2200 or 2500 psi.
  • the velocity of the hydrocarbon oil 13 through the orifice 22 in the apparatus 14 is preferably at least 1, 5, 10, 15, 20, 25, 30, 40, 50, 60 or 70 meters per second (m/s).
  • the length (1) of the orifice 22 in the local constriction 21 is selected to adjust the residence time of the cavitation bubbles in the orifice 22 and/or the second chamber 24 housing the cavitation zone to be less than 0.1, 0.05, 0.01, 0.005, 0.0025 or 0.001 second.
  • Downstream 25 of the orifice 22, a valve 26 can be used to adjust the desired static pressure P 2 for collapsing the cavitation bubbles downstream of the local constriction of the cavitation apparatus 14 wherein the valve 26 can provide controlled flow cavitation.
  • the treated hydrocarbon oil 30 exits or is extracted from the valve 26 before being subsequently cooled.
  • FIG. 3 illustrates a flow-through cavitation apparatus 14 having a sharp-edged orifice 33 for generating a hydrodynamic cavitation zone for treating hydrocarbon oil 13.
  • the sharp-edged orifice 33 has a diameter, D 2 , in the range of 0.2 to 100 mm, which faces upstream towards chamber 34.
  • the orifice 33 expands along the length of the local constriction 32 and towards the second chamber 35 at an angle in the range of 10 to 60 degrees.
  • the flow-through channel 36 has an inlet diameter, Di, in the range of 0.25 to 80 inches.
  • the local constriction 32 divides the flow- through channel 36 into a first chamber 34 having static pressure Pi and a second chamber 35 having static pressure P 2 .
  • static pressure P 2 induces the collapse of cavitation bubbles and is greater than 150 psi, and more preferably greater than 300 psi.
  • hydrocarbon oil 13 passes through the flow- through channel 36 and through the local flow constriction 32 to generate cavitation bubbles that are collapsed under static pressure P 2 in the second chamber 35 to produce treated hydrocarbon oil 30 that is extracted from the second chamber 35 before being subsequently cooled.
  • the flow-through channel 36 can have additional local constrictions or control measures, such as a valve, downstream of the first local constriction 32 in order to alter the cavitation conditions and static pressure P 2 and provide for a controlled flow.
  • the additional local constriction can be adjustable, for example a valve, or non-adjustable, for example an orifice.
  • FIG. 4 provides a cross section view of a flow-through, hydrodynamic cavitation apparatus 14.
  • a bluff body 43 is positioned in the flow-through channel 40 to create local constrictions, wherein two local constrictions are created in parallel to one another, each local constriction is positioned between the inner wall of the flow-through channel 40 and the top or bottom surface of the bluff body 43, 44.
  • the local constrictions divide the flow- through channel 40 into two chambers, a first chamber 41 having static pressure and a second cavitation chamber 42 having static pressure.
  • the second chamber 42 houses the hydrodynamic cavitation zone as discussed above.
  • hydrocarbon oil 13 passes through the flow-through channel 40 and around bluff body 43 to generate cavitation bubbles in a cavitation zone downstream of the local constriction that are subsequently collapsed under static pressure in the second cavitation chamber 42.
  • the flow-through channel 40 can have two or more bluff bodies or local constrictions, such as an orifice, in series.
  • a first cone-shaped bluff body having a desired diameter and a second cone-shaped bluff body having a desired diameter can be arranged in series.
  • the diameters of the first and second bluff bodies can be the same or may vary.
  • the hydrocarbon oil treatment process of Examples 1 through 5 was carried out in a flow-through cavitation apparatus substantially similar to the cavitation apparatus 14 as shown in FIG. 2 herein.
  • the cavitation apparatus included a single orifice having a diameter in the range of 0.012 inches (0.3 mm) to 0.014 inches (0.36 mm) and was capable of operating at a pressure of up to 3,000 psi with a nominal flow rate of up to 300 mL/min.
  • a feed stock of Canadian heavy crude oil was used.
  • the Canadian heavy crude oil had an average API gravity of 12.0 degree, and a kinematic viscosity of 999.7 cSt at a temperature of 50° C.
  • the Canadian heavy crude oil was passed through a pipe at a processing pressure of 1,950 psi and at a temperature of 460° C by a high pressure pump.
  • the heated hydrocarbon oil was pumped through a cavitation apparatus having a single orifice of diameter 0.3 mm.
  • the pressure drop across the orifice was sufficient to generate a hydrodynamic cavitation zone containing cavitation bubbles that were collapsed downstream of the orifice under a static pressure of 400 psi.
  • the pressure drop across the orifice was about 1,550 psi.
  • the treated hydrocarbon oil i.e. downstream of the hydrodynamic cavitation zone
  • the treated hydrocarbon oil had an API gravity of 14.5 degree and a kinematic viscosity of 68.6 cSt at 50° C.
  • the treated hydrocarbon oil had an increase in API gravity of about 21 percent and a reduction in viscosity of about 93 percent.
  • the increased API gravity and reduced viscosity of the treated hydrocarbon oil did not reverse and return to original values.
  • Example 2 A feed stock of Canadian heavy crude oil was used.
  • the Canadian heavy crude oil had an average API gravity of 10.3 degree, and a kinematic viscosity of 1077.0 cSt at a temperature of 50° C.
  • the Canadian heavy crude oil was passed through a pipe at a processing pressure of 1,800 psi and at a temperature of 420° C by a high pressure pump.
  • the heated hydrocarbon oil was pumped through a cavitation apparatus having a single orifice of diameter 0.3 mm.
  • the pressure drop across the orifice was sufficient to generate a hydrodynamic cavitation zone containing cavitation bubbles that were collapsed downstream of the orifice under a static pressure of 360 psi.
  • the pressure drop across the orifice was about 1,440 psi.
  • the treated hydrocarbon oil i.e. downstream of the hydrodynamic cavitation zone
  • the treated hydrocarbon oil had an API gravity of 15.3 degree and a kinematic viscosity of 130.5 cSt at 50° C.
  • the treated hydrocarbon oil had an increase in API gravity of about 49 percent and a reduction in viscosity of about 88 percent.
  • the increased API gravity and reduced viscosity of the treated hydrocarbon oil did not reverse and return to original values.
  • a feed stock of Canadian heavy crude oil was used.
  • the Canadian heavy crude oil had an average API gravity of 10.7 degree, and a kinematic viscosity of 1031.0 cSt at a temperature of 50° C.
  • the Canadian heavy crude oil was passed through a pipe at a processing pressure of 2,839 psi and at a temperature of 328° C by a high pressure pump.
  • the heated hydrocarbon oil was pumped through a cavitation apparatus having a single orifice of diameter 0.36 mm.
  • the pressure drop across the orifice was sufficient to generate a hydrodynamic cavitation zone containing cavitation bubbles that were collapsed downstream of the orifice under a static pressure of 308 psi.
  • the pressure drop across the orifice was about 2,531 psi.
  • the treated hydrocarbon oil i.e. downstream of the hydrodynamic cavitation zone
  • the treated hydrocarbon oil had an API gravity of 18.1 degree and a kinematic viscosity of 49.3 cSt at 50° C.
  • the treated hydrocarbon oil had an increase in API gravity of about 69 percent and a reduction in viscosity of about 95 percent.
  • the increased API gravity and reduced viscosity of the treated hydrocarbon oil did not reverse and return to original values.
  • a feed stock of United States heavy crude oil was used.
  • the United States heavy crude oil had an average API gravity of 14.8 degree, and a kinematic viscosity of 262.4 cSt at a temperature of 50° C.
  • the United States heavy crude oil was passed through a pipe at a processing pressure of 2,450 psi and at a temperature of 400° C by a high pressure pump.
  • the heated hydrocarbon oil was pumped through a cavitation apparatus having a single orifice of diameter 0.3 mm.
  • the pressure drop across the orifice was sufficient to generate a hydrodynamic cavitation zone containing cavitation bubbles that were collapsed downstream of the orifice under a static pressure of 300 psi.
  • the pressure drop across the orifice was about 2,150 psi.
  • the treated hydrocarbon oil i.e. downstream of the hydrodynamic cavitation zone
  • the treated hydrocarbon oil had an API gravity of 20.9 degree and a kinematic viscosity of 8.4 cSt at 50° C.
  • the treated hydrocarbon oil had an increase in API gravity of about 41 percent and a reduction in viscosity of about 97 percent.
  • the increased API gravity and reduced viscosity of the treated hydrocarbon oil did not reverse and return to original values.
  • a feed stock of Newalta heavy crude oil was used.
  • the Newalta heavy crude oil had an average API gravity of 12.4 degree, and a kinematic viscosity of 714.1 cSt at a temperature of 50° C.
  • the Newalta heavy crude oil was passed through a pipe at a processing pressure of 1,928 psi and at a temperature of 482° C by a high pressure pump.
  • the heated hydrocarbon oil was pumped through a cavitation apparatus having a single orifice of diameter 0.36 mm.
  • the pressure drop across the orifice was sufficient to generate a hydrodynamic cavitation zone containing cavitation bubbles that were collapsed downstream of the orifice under a static pressure of 178 psi.
  • the pressure drop across the orifice was about 1,750 psi.
  • the treated hydrocarbon oil i.e. downstream of the hydrodynamic cavitation zone
  • the treated hydrocarbon oil had an API gravity of 20.7 degree and a kinematic viscosity of 4.4 cSt at 50° C.
  • the treated hydrocarbon oil had an increase in API gravity of about 67 percent and a reduction in viscosity of about 99 percent.
  • the increased API gravity and reduced viscosity of the treated hydrocarbon oil did not reverse and return to original values.
  • a single pass or cycle through the flow-through, hydrodynamic cavitation apparatus having a single local constriction, such as an orifice can increase the API gravity of the treated hydrocarbon oil as compared to the pre-processed or untreated hydrocarbon oil prior to being passed through the cavitation apparatus by 2.5 to 8.3 degree, or 21 to 69 percent.
  • a pressure drop of at least 1 ,400 psi can result in an increase of API gravity of at least 2.5 degree.
  • the treated hydrocarbon oil as compared to the pre-processed hydrocarbon oil prior to being passed through the cavitation apparatus, can have a reduced viscosity in the range of 254 to 982 cSt at a temperature of 50° C, or 88 to 99 percent.
  • the increase in API gravity and reduction in viscosity occurred over a pressure drop range of 1 ,440 to 2,531 psi.
  • Pressure drops of at least 1,500 psi over the local constriction resulted in viscosity reduction of at least 93% and a pressure drop of at least 1,750 psi resulted in viscosity reduction of at least 95%.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

La présente invention concerne un procédé de traitement d'une huile d'hydrocarbure. Le procédé comprend le passage de l'huile chauffée à travers un appareil de cavitation pour induire de façon statique un traitement par cavitation de l'huile. L'huile est passée à travers l'appareil de cavitation en l'absence de substances huileuses non hydrocarbonées, telles que l'hydrogène, l'eau ou d'autres matières organiques et solvants. Le procédé de traitement par cavitation peut augmenter la densité API de l'huile d'hydrocarbure et réduire sa viscosité.
EP12831535.5A 2011-09-14 2012-09-06 Procédé de traitement d'une huile lourde d'hydrocarbure Ceased EP2751225A4 (fr)

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US201161534507P 2011-09-14 2011-09-14
PCT/US2012/053950 WO2013039759A1 (fr) 2011-09-14 2012-09-06 Procédé de traitement d'une huile lourde d'hydrocarbure

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EP2751225A4 EP2751225A4 (fr) 2015-05-06

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EP3405556B1 (fr) 2016-01-19 2021-03-03 Archer-Daniels-Midland Company Procédé de démucilagination d'huile végétale
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EP2751225A4 (fr) 2015-05-06
US20130062249A1 (en) 2013-03-14
WO2013039759A1 (fr) 2013-03-21
CA2848468A1 (fr) 2013-03-21

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