CN110218581A - A kind of method for modifying of oil sands bitumen - Google Patents
A kind of method for modifying of oil sands bitumen Download PDFInfo
- Publication number
- CN110218581A CN110218581A CN201810173337.0A CN201810173337A CN110218581A CN 110218581 A CN110218581 A CN 110218581A CN 201810173337 A CN201810173337 A CN 201810173337A CN 110218581 A CN110218581 A CN 110218581A
- Authority
- CN
- China
- Prior art keywords
- oil sands
- sands bitumen
- oil
- modifying
- hydrotreating
- 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.)
- Granted
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
- C10G67/00—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only
- C10G67/02—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a kind of method for modifying of oil sands bitumen, include the following steps: oil sands bitumen carrying out visbreaking and hydrotreating, obtains the oil product for meeting pipeline requirement.Method for modifying of the present invention is easy to operate, can improve effective product yield, increases income from sales, and the method processing oil sands bitumen is discharged without residue, meets environmental requirement.
Description
Technical field
The present invention relates to a kind of method for modifying of oil sands bitumen, and carrying out modification more particularly, to a kind of pair of oil sands bitumen makes it
Mobile performance meets the method for pipeline requirement.
Background technique
Oil sands bitumen is substantially a kind of high viscosity crude oil, and, sulfur content height high with density, asphalt content are high and golden
Belong to Ni, the features such as V content is high.Oil sands bitumen viscosity is very big, can hardly flow at normal temperature, and needing could be by processing
Row conveying and utilization.For convenience of conveying, the processing of oil sands bitumen is divided into bitumen dilution and pitch modification.Bitumen dilution is to use condensation
The pitch that the light-end products dilution such as oil or naphtha does not modify obtains cut-back asphalt, but the dosage of diluent is about oil sands bitumen
66%, a large amount of high value diluents use the amount of circulating funds used more, economically very unreasonable, while a large amount of diluent
Valuable pipeline transportation space has been also taken up, effective oil sands bitumen freight volume is reduced.Pitch modification is in modification factory using coking
The means such as (including delayed coking and fluid coking), solvent deasphalting, boiling bed hydrogenation by oil sands bitumen be processed into light, sweet,
A variety of synthetic crudes such as middle matter sulfur-bearing and heavy sulfur-bearing, this method for modifying need to pay higher processing cost solution residue and ask
Topic.
For example, China Patent No. CN200510127799.1, the invention of entitled " a kind of processing method of oil sands bitumen "
Patent discloses a kind of method processed by visbreaking and the combination of solvent de-asphalting process to oil sands bitumen.It should
Although method can obtain higher synthetic crude yield, olefin(e) centent is more than 1% in product, is unsatisfactory for pipeline and wants
It asks, actually can not finally actually enter pipe network and be transported.It does not disclose still and was reported through visbreaking and plus hydrogen at present
The group technology of processing processes oil sands bitumen, in the method for improving its pipeline performance, increasing economic efficiency.
Summary of the invention
The application technical problems to be solved are to provide a kind of method for modifying of oil sands bitumen, and this method is by dripping oil-sand
Blueness, which carries out modification, makes its mobile performance meet pipeline requirement.
Term used in the present invention " oil sands bitumen " generally refers to open by having an opencast mining of or using steam thermal recovery technology
After extraction comes, by initial gross separation except the oil sands bitumen after the minerals such as shakeout and clay.
Term used in the present invention " oil product for being able to carry out pipeline " refers to routinely to be conveyed in Crude Oil Transportation field
Under the conditions of be able to carry out the material of pipeline.Under preferable case, the oil product for being able to carry out pipeline refers to be sticked at 8 DEG C
Spend < 350mm2/ s, bromine number≤10gBr/100g material.
In order to solve the above technical problems, the present invention adopts the following technical scheme that:
A kind of method for modifying of oil sands bitumen includes the following steps: oil sands bitumen carrying out visbreaking and hydrotreating,
Obtain the oil product for meeting pipeline requirement.
As the further improvement of technical solution, the heavy constituent for boiling point > 500 DEG C that the visbreaking generates is passed through into gas
Chemical industry skill obtains synthesis gas, and the hydrogen for hydrotreating step is extracted from synthesis gas；The hydrotreating includes adding
Hydrogen purification techniques or hydrocracking technology.
Oil sands bitumen is first subjected to air-distillation before carrying out visbreaking as the further improvement of technical solution
Light component I is isolated, then the heavy constituent I that air-distillation is obtained carries out visbreaking processing.
Preferably, the air-distillation is light, cut-point of heavy constituent controls between 200 DEG C -400 DEG C.It is highly preferred that institute
State that air-distillation is light, cut-point of heavy constituent controls between 350 DEG C -400 DEG C.
As the further improvement of technical solution, before carrying out hydrotreating, the product for first obtaining visbreaking is passed through
Distillation unit isolates heavy constituent II, then the light component II obtained through the distillation unit is carried out hydrotreating.
Preferably, the cut-point of the distillation unit weight component controls between 500 DEG C -560 DEG C.
Preferably, the distillation unit can be air-distillation equipment or vacuum distillation equipment.
As the further improvement of technical solution, the defeated oil product of pipe that is able to carry out is by all light component I, all
Product and part heavy constituent II reconcile after hydrotreating, and mass ratio shared by heavy constituent II is 0%- in oil product through pipelines
Product is called in by the mass yield for each accounting for oil sands bitumen raw material after 60%, light component I and hydrotreating；Or by all light
Product and oil sands bitumen reconcile after component I, all hydrotreatings, mass ratio shared by oil sands bitumen in oil product through pipelines
For 0%-60%, product is called in by the mass yield for each accounting for oil sands bitumen raw material after light component I and hydrotreating.
As the further improvement of technical solution, synthesis gas is made by gasification process in heavy constituent II, from synthesis gas
Hydrogen is extracted as hydrogen needed for hydrotreating.
As the further improvement of technical solution, the visbreaking reaction is preferably 350 DEG C -450 DEG C in temperature, pressure
For 0.05MPa-15MPa, the residence time be 0.1h-5h under conditions of carry out.It is more preferably 400 DEG C -420 DEG C, pressure in temperature
For 0.3MPa-1MPa, residence time be 0.5h-1.5h under conditions of carry out.
As the further improvement of technical solution, the hydroprocessing processes are preferably 350 DEG C -450 DEG C in temperature, pressure
For 5MPa-20MPa, air speed 0.5h-1-3h-1, hydrogen-oil ratio (v/v) be 500-3000 under conditions of carry out.More preferably in temperature
For 360 DEG C -380 DEG C, pressure 12MPa-15MPa, air speed 1.0h-1-1.5h-1, hydrogen-oil ratio (v/v) is the item of 800-1000
It is carried out under part.
Any range documented by the present invention includes any numerical value between end value and end value and end value or end value
Between any subrange for being constituted of any number.
Unless otherwise specified, each raw material in the present invention can be obtained by commercially available purchase, equipment used in the present invention
The conventional equipment in fields can be used or carried out referring to the prior art of fields.
Compared with prior art, the invention has the following beneficial effects:
The method of the present invention is easy to operate, can improve effective product yield, increases income from sales.Change at present using wide
For the effective product quality yield of matter technology generally in 60%-65%, effective product quality yield of this method can reach 65%-
70%.And the method processing oil sands bitumen is discharged without residue, meets environmental requirement.
Detailed description of the invention
Fig. 1 is the process flow chart for the oil sands bitumen method for modifying that the embodiment of the present invention 1 provides；
Fig. 2 is the process flow chart for the oil sands bitumen method for modifying that the embodiment of the present invention 2 provides.
Specific embodiment
In order to illustrate more clearly of the present invention, below with reference to preferred embodiment, the present invention is described further.Ability
Field technique personnel should be appreciated that following specifically described content is illustrative and be not restrictive, this should not be limited with this
The protection scope of invention.
A kind of method for modifying of oil sands bitumen of the present invention includes the following steps: to carry out oil sands bitumen into visbreaking and add
Hydrogen processing obtains the oil product for meeting pipeline requirement.
It has been investigated that by the way that oil sands bitumen is carried out visbreaking and hydrotreating, it is available to meet pipeline
It is required that oil product.
According to the certain embodiments of the application, the heavy constituent for boiling point > 500 DEG C that the visbreaking generates is passed through into gas
Chemical industry skill obtains synthesis gas, and the hydrogen for hydrotreating step is extracted from synthesis gas；The hydrotreating includes adding
Hydrogen purification techniques or hydrocracking technology.
Oil sands bitumen is first subjected to air-distillation before carrying out visbreaking according to the certain embodiments of the application
Light component I is isolated, then the heavy constituent I that air-distillation is obtained carries out visbreaking processing.The light component I that air-distillation obtains
It can also deploy to obtain the oil product for meeting pipeline requirement with other components directly as the oil product of pipeline；Together
When, which can reduce the load of visbreaking.
According to certain preferred embodiments of the application, the air-distillation is light, heavy constituent cut-point is controlled 200
Between DEG C -400 DEG C.It is highly preferred that the air-distillation is light, the cut-point of heavy constituent controls between 350 DEG C -400 DEG C.
According to the certain embodiments of the application, before carrying out hydrotreating, the product for first obtaining visbreaking is passed through
Distillation unit isolates heavy constituent II, then the light component II obtained through the distillation unit is carried out hydrotreating.Hydrotreating
Obtained product can directly as the oil product of pipeline, can also deploy to obtain with other components meet pipeline requirement
Oil product.
Certain according to the application are preferably carried out mode, and the cut-point of the distillation unit weight component is controlled 500
Between DEG C -560 DEG C.
Certain according to the application are preferably carried out mode, and the distillation unit can steam for air-distillation equipment or decompression
Evaporate equipment.
According to the certain embodiments of the application, the defeated oil product of pipe that is able to carry out is by all light component I, all
Product and part heavy constituent II reconcile after hydrotreating；Or by being produced after all light component I, all hydrotreatings
Object and oil sands bitumen reconcile.
According to the certain embodiments of the application, synthesis gas is made by gasification process in heavy constituent II, from synthesis gas
Hydrogen is extracted as hydrogen needed for hydrotreating.
According to the certain embodiments of the application, the visbreaking refers to a kind of mitigation thermal cracking process, is mainly
The maximum viscosity for reducing material, improves the pipeline performance of oil sands bitumen.The reduction of viscosity mainly passes through non-
The thermal cracking of asphalitine is realized.Visbreaking is a kind of heavy oil lighting processing technology of maturation, and technical process has been this
Known to the those of ordinary skill of field, the present invention is not particularly limited the condition of the visbreaking, can be in various conjunctions
It is carried out under the conditions of the temperature and pressure of reason.The reaction of visbreaking described in the specific embodiment of the invention is preferably 350 in temperature
DEG C -450 DEG C, pressure 0.05MPa-15MPa, the residence time be 0.1h-5h under conditions of carry out.It is more preferably 400 in temperature
DEG C -420 DEG C, pressure 0.3MPa-1MPa, residence time be 0.5h-1.5h under conditions of carry out.The visbreaking it is specific
Operation is known to those skilled in the art, and details are not described herein.
Hydrotreating of the present invention can use Hydrofining Technology or hydrocracking technology, and main purpose is full
With the alkene in oil product and further decrease the viscosity of material.It is a kind of mature that either hydrofinishing, which is still hydrocracked all,
Oil hydrogenation treatment process, technical process be it is well known to those of ordinary skill in the art, the present invention is to the hydrotreating
The condition of process is not particularly limited, and can be carried out under the conditions of various reasonable.Described in the specific embodiment of the invention
Hydroprocessing processes are preferably 350 DEG C -450 DEG C, pressure 5MPa-20MPa, air speed 0.5h in temperature-1-3h-1, hydrogen-oil ratio
(v/v) it is carried out under conditions of being 500-3000.More preferably temperature be 360 DEG C -380 DEG C, pressure 12MPa-15MPa, air speed
For 1.0h-1-1.5h-1, hydrogen-oil ratio (v/v) be 800-1000 under conditions of carry out.The concrete operations of the hydrotreating have been this
Well known to the technical staff of field, details are not described herein.
The invention will be further described for the following examples.Oil sands bitumen used is all from the embodiment of the present invention
The SAGD of Nexen company produces oil sands bitumen, and main character is as shown in table 1.
Embodiment 1
According to technique shown in Fig. 1, a kind of method for modifying of oil sands bitumen includes the following steps:
Oil sands bitumen is fed to air-distillation unit, the distillate using oil sands bitumen mid-boiling point lower than 350 DEG C is as energy
The component for enough carrying out pipeline is directly separated from oil sands bitumen, and remaining high boiling distillation residue enters dehesion and splits
Change unit and carry out visbreaking, the condition of visbreaking is 415 DEG C of temperature, pressure 0.5MPa, residence time 50min.Dehesion is split
Product after change enters distillation unit and is separated, and the component by wherein boiling point lower than 520 DEG C is isolated as hydrotreating
Raw material, blend component of the remaining higher boiling heavy constituent a part as oil product through pipelines, another part is as gasified raw material.Add hydrogen
Treatment process uses Hydrofining Technology, and condition is 360 DEG C of temperature, pressure 15MPa, air speed 1.2h-1, hydrogen-oil ratio (v/v)
It is 900.Gained pipe oil transportation as obtained in above-mentioned steps < 350 DEG C of distillates, hydrofinishing tails oil and part distillation recombination
Divide and reconcile, harmonic proportion is (as mass fraction): < 350 distillates 10.17% are hydrocracked tails oil
41.83%, heavy constituent 48% is distilled, the results are shown in Table 1 for property analysis.
Embodiment 2
According to shown in Fig. 2, a kind of method for modifying of oil sands bitumen includes the following steps:
Oil sands bitumen is fed to air-distillation unit, the component using oil sands bitumen mid-boiling point lower than 350 DEG C is as can
The component for carrying out pipeline is directly separated from oil sands bitumen, and remaining higher boiling distillation residue enters visbreaking list
Member carries out visbreaking, 50min when visbreaking condition is 410 DEG C of temperature, pressure 0.5MPa, stops.Production after visbreaking
Object enters distillation unit and is separated, and the component by wherein boiling point lower than 535 DEG C is isolated as the raw material of hydrotreating, remains
Reinforcement boiling point heavy constituent is as gasified raw material.Hydroprocessing processes use hydrocracking technology, and condition is 370 DEG C of temperature, pressure
For 15MPa, air speed 1.5h-1, hydrogen-oil ratio (v/v) be 900.Gained pipe oil transportation as obtained in above-mentioned steps < 350 DEG C of fractions
Oil, be hydrocracked tails oil and oil sands bitumen reconcile, harmonic proportion be (as mass fraction): < 350 distillates
9.71%, it is hydrocracked tails oil 37.29, oil sands bitumen 53%, property analysis the results are shown in Table 1.
1 raw material of table and oil product through pipelines property
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.Here all embodiments can not be exhaustive.It is all to belong to this hair
The obvious changes or variations that bright technical solution is extended out are still in the scope of protection of the present invention.
Claims (10)
1. a kind of method for modifying of oil sands bitumen, which comprises the steps of: by oil sands bitumen carry out visbreaking and
Hydrotreating obtains the oil product for meeting pipeline requirement.
2. the method for modifying of oil sands bitumen according to claim 1, it is characterised in that: the boiling point for generating the visbreaking
> 500 DEG C of heavy constituent obtains synthesis gas by gasification process, and the hydrogen for hydrotreating step is extracted from synthesis gas
Gas；The hydrotreating includes Hydrofining Technology or hydrocracking technology.
3. according to claim 1 or the method for modifying of 2 any oil sands bitumens, it is characterised in that: carry out visbreaking it
Before, light component I first is isolated into oil sands bitumen progress air-distillation, then the heavy constituent I that air-distillation obtains is subjected to dehesion and is split
Change processing.
4. the method for modifying of oil sands bitumen according to claim 3, it is characterised in that: the air-distillation is light, heavy constituent
Cut-point controls between 200 DEG C -400 DEG C；Preferably, the air-distillation is light, cut-point control of heavy constituent 350 DEG C-
Between 400 DEG C.
5. the method for modifying of oil sands bitumen according to claim 3, it is characterised in that: before carrying out hydrotreating, first will
The product that visbreaking obtains isolates heavy constituent II through distillation unit, then by the light component II obtained through the distillation unit into
Row hydrotreating.
6. the method for modifying of oil sands bitumen according to claim 5, it is characterised in that: point of the distillation unit weight component
Cutpoint controls between 500 DEG C -560 DEG C；Preferably, the distillation unit can set for air-distillation equipment or vacuum distillation
It is standby.
7. the method for modifying of oil sands bitumen according to claim 5, it is characterised in that: it is described be able to carry out the defeated oil product of pipe by
Product and part heavy constituent II reconcile after all light component I, all hydrotreatings, heavy constituent II in oil product through pipelines
Shared mass ratio is 0%-60%, and product is by the mass yield for each accounting for oil sands bitumen raw material after light component I and hydrotreating
It calls in；Or reconciled by product after all light component I, all hydrotreatings and oil sands bitumen, in oil product through pipelines
Mass ratio shared by oil sands bitumen is 0%-60%, and product is by each accounting for oil sands bitumen raw material after light component I and hydrotreating
Mass yield is called in.
8. the method for modifying of oil sands bitumen according to claim 5, it is characterised in that: heavy constituent II is passed through gasification process system
At synthesis gas, from hydrogen is extracted in synthesis gas as hydrogen needed for hydrotreating.
9. the method for modifying of oil sands bitumen according to claim 1, it is characterised in that: the visbreaking reaction is preferably in temperature
Degree be 350 DEG C -450 DEG C, pressure 0.05MPa-15MPa, the residence time be 0.1h-5h under conditions of carry out；More preferably in temperature
It is carried out under conditions of degree is 400 DEG C -420 DEG C, pressure 0.3MPa-1MPa, residence time are 0.5h-1.5h.
10. the method for modifying of oil sands bitumen according to claim 1, it is characterised in that: the hydroprocessing processes preferably exist
Temperature is 350 DEG C -450 DEG C, pressure 5MPa-20MPa, air speed 0.5h-1-3h-1, hydrogen-oil ratio (v/v) is the item of 500-3000
It is carried out under part.More preferably temperature be 360 DEG C -380 DEG C, pressure 12MPa-15MPa, air speed 1.0h-1-1.5h-1, hydrogen oil
It is carried out under conditions of being 800-1000 than (v/v).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810173337.0A CN110218581B (en) | 2018-03-02 | 2018-03-02 | Modification method of oil sand asphalt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810173337.0A CN110218581B (en) | 2018-03-02 | 2018-03-02 | Modification method of oil sand asphalt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110218581A true CN110218581A (en) | 2019-09-10 |
| CN110218581B CN110218581B (en) | 2021-07-20 |
Family
ID=67822037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810173337.0A Active CN110218581B (en) | 2018-03-02 | 2018-03-02 | Modification method of oil sand asphalt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110218581B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113088329A (en) * | 2019-12-23 | 2021-07-09 | 中国石油天然气股份有限公司 | Method and device for viscosity reduction and modification of inferior heavy oil |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1351125A (en) * | 2000-10-26 | 2002-05-29 | 中国石油化工股份有限公司 | Hydrogenating process for reducing viscosity of heavy oil or residual oil |
| CN1775909A (en) * | 2005-12-07 | 2006-05-24 | 中国海洋石油总公司 | Oil sand asphalt treating method |
| CN103102934A (en) * | 2011-11-10 | 2013-05-15 | 中国石油化工股份有限公司 | Pretreatment method for inferior heavy oil |
| CN103102984A (en) * | 2011-11-10 | 2013-05-15 | 中国石油化工股份有限公司 | Hydrogenation combined process for inferior heavy oil |
| CN106753509A (en) * | 2016-11-24 | 2017-05-31 | 辽宁石油化工大学 | A kind of oil sands bitumen blends the visbreaking processing method of dead oil |
-
2018
- 2018-03-02 CN CN201810173337.0A patent/CN110218581B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1351125A (en) * | 2000-10-26 | 2002-05-29 | 中国石油化工股份有限公司 | Hydrogenating process for reducing viscosity of heavy oil or residual oil |
| CN1775909A (en) * | 2005-12-07 | 2006-05-24 | 中国海洋石油总公司 | Oil sand asphalt treating method |
| CN103102934A (en) * | 2011-11-10 | 2013-05-15 | 中国石油化工股份有限公司 | Pretreatment method for inferior heavy oil |
| CN103102984A (en) * | 2011-11-10 | 2013-05-15 | 中国石油化工股份有限公司 | Hydrogenation combined process for inferior heavy oil |
| CN106753509A (en) * | 2016-11-24 | 2017-05-31 | 辽宁石油化工大学 | A kind of oil sands bitumen blends the visbreaking processing method of dead oil |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113088329A (en) * | 2019-12-23 | 2021-07-09 | 中国石油天然气股份有限公司 | Method and device for viscosity reduction and modification of inferior heavy oil |
| CN113088329B (en) * | 2019-12-23 | 2023-02-24 | 中国石油天然气股份有限公司 | Method and device for viscosity reduction and modification of inferior heavy oil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110218581B (en) | 2021-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7749378B2 (en) | Bitumen production-upgrade with common or different solvents | |
| CN1325605C (en) | Oil sand asphalt treating method | |
| CN105765036B (en) | By the method for transformation of the integrated heavy hydrocarbon feedstocks of selectivity cascade depitching and the recycling of de-asphalted fraction | |
| US8002968B2 (en) | Process for treating a heavy hydrocarbon feedstock and a product obtained therefrom | |
| CN102652169B (en) | Process and apparatus for producing hydrocarbon fuel and composition | |
| CN110041961A (en) | Solvent deasphalting and adding hydrogen into resin handle and delayed coking it is integrated | |
| RU2640419C2 (en) | Hydraulic processing of thermal craking products | |
| CN102216432A (en) | Integrated solvent deasphalting and slurry hydrocracking process | |
| CN105793395A (en) | Method for refining a heavy hydrocarbon feedstock implementing selective deasphalting in series | |
| RU2662437C2 (en) | Method of the heavy hydrocarbon raw material processing including selective de-asphatization with the de-asphalted oil recycling | |
| CN103987813A (en) | Integration of solvent deasphalting with resin hydroprocessing | |
| EA023427B1 (en) | Process for hydrocracking of a heavy oil feedstock | |
| CN110218581A (en) | A kind of method for modifying of oil sands bitumen | |
| CN109988641B (en) | Flexible shale oil hydrocracking process | |
| CN109988609B (en) | Flexible shale oil hydrocracking process | |
| CN103305272B (en) | Catalytic conversion method for reducing yield of cokes | |
| CN104611005B (en) | A kind of process increasing production coker gas oil | |
| CN106590740A (en) | Treatment method for inferior raw oil | |
| CN106147837B (en) | A kind of method of heavy oil modification viscosity reduction and application | |
| CN109988611B (en) | Hydrocracking process for flexibly producing diesel oil | |
| CN106281441A (en) | A kind of crude oil processing technique improving yield of light oil | |
| CN106147836B (en) | A kind of method of heavy oil modification viscosity reduction and application | |
| RU2625160C2 (en) | Method for improving heavy hydrocarbon mixture quality | |
| CN109988603A (en) | Produce the hydrogenation coupling process of low freezing point diesel fuel | |
| US20220204871A1 (en) | Multistage solvent extraction process and apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |