CN105349164A - Solvent separation device of oil sand - Google Patents
Solvent separation device of oil sand Download PDFInfo
- Publication number
- CN105349164A CN105349164A CN201410415957.2A CN201410415957A CN105349164A CN 105349164 A CN105349164 A CN 105349164A CN 201410415957 A CN201410415957 A CN 201410415957A CN 105349164 A CN105349164 A CN 105349164A
- Authority
- CN
- China
- Prior art keywords
- sand
- organic solvent
- solvent
- oil
- pipeline
- 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.)
- Pending
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
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/04—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by extraction
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
The invention discloses a solvent separation device of oil sand. The device of the invention comprises a first stirring tank, a primary separator connected to the stirring tank, a second stirring tank connected to the bottom of the primary separator, an organic solvent II inlet arranged at the upper part of the second stirring tank, a secondary separator connected to the bottom of the second stirring tank, an organic solvent I outlet disposed at the upper part of the secondary separator, a spiral dryer connected to the secondary separator and a condenser connected to a material outlet of the spiral dryer. The device of the invention can continuously operate the oil sand extraction process, is energy-saving and consumption-reducing and is used to solve the recovery problem of solvents in residual sand after extraction. By the device, environmental pollution is little, solvents are completely recycled, and the intermediate link is reduced. The device of the invention can be used for complete oil sand separation at oil sand ore mining sites.
Description
Technical field
The present invention relates to the device being separated oil-sand medium pitch.
Background technology
Natural oil-sand is the conversion product of oil, petroleum crude oil penetrates into ground and is formed, wherein light component is evaporated, and then by the dioxygen oxidation in air under sun exposure, again through being polymerized as pitch mineral, primarily of the colloid such as bituminous matter, resin, and a small amount of metal and other ore deposit impurity in products composition such as nonmetal, natural oil-sand is also known as Tar sands, heavy oil sand, tar sand.
At present, natural oil-sand occupies 66% of world oil reserves, mainly be distributed in Canada, current Canada estimates the amount of adopting to also have 3,150 hundred million barrels of crude oil, be only second to Saudi Arabia, other Area distribution is in the U.S., Russia, Venezuela, Indonesia, France, Switzerland, Italy, Trinidad and Tobago, Albania, Mongolia, and the natural oil placer of China is mainly distributed in the areas such as Sichuan, the Inner Mongol, Xinjiang, Liaoning.
At present, with regard to exploitation, mainly contain thermokalite washing process, solvent extraction process, thermal cracking process etc. several, current industrial use comparative maturity be thermokalite WATER-WASHING METHOD, oil-sand is first pulverized by this technology, then sends into mix and blend in heat alkali liquid, in mixed serum, then passes into gas make in pitch flotation, collect pitch and add alkane dilution with after reducing its viscosity, being sent to refinery and carrying out refining and obtain various oil production.This mode is simple to operate, but there is following problem: energy consumption is high, water loss is large, environmental pollution is serious, is subject to the opposition of countries in the world government and the people.The oil sand separating method of searching environmental protection, economy, Sustainable development is extremely urgent.
Adopt solvent extraction techniques, be separated the method for oil-sand medium pitch, possess following advantage: separation efficiency is high, leaching process does not need the participation of water, both saving water resource, it also avoid follow-up water treatment problems; Operate under normal temperature, energy consumption is low, and running cost is low; Solvent cycle uses, and utilising efficiency is high; The conveying of leaching process and asphalt oil can be coupled very well in addition, decreases middle link of adding thinner, reduces running cost further.But also there are some and have technical problem to be solved in traditional solvent extraction techniques: efficient, economic solvent is not easy to obtain; Residue in solvent recuperation difficulty in solid particles of sand larger etc.
Chinese patent CN101274303A reports a kind of method using ester class etc. to extract oil-sand as solvent, employing is filtered dry machine and whizzer carries out solid-liquor separation to extracting solution, solid phase directly backfills, solvent cycle uses, process is simple, but well do not solve about key issues such as solids treatment, if be applied in large batch of industrial production, secondary environmental pollution problem will be caused;
Technology disclosed in CN101544902A, the mixed solvent adopting petroleum naphtha, Isoamyl Acetate FCC, pentane to carry out mixing according to 20:1:1 extracts oil-sand, extraction is divided into three grades, Extracting temperature at different levels all controls at 50 DEG C, solvent cycle utilizes, this technology can obtain higher extracted rate, but equally about the process of extracting rear residual solids, and the problem such as the economy of whole technique, environmental protection operation does not propose terms of settlement; At 20th century six the seventies, US Patent No. 3117922(1964), US3392105(1968);
US4046669(1969), US4046668(1977) etc. propose with an organic solvent as toluene, petroleum naphtha etc. extract oil-sand, adopt the method such as centrifugal to carry out solid-liquor separation to extracting solution;
US4036732(1977) point out to adopt the aliphatic hydrocarbon of C5 ~ C9 to extract oil-sand, use a certain amount of water to wash the grains of sand after extraction, and the fine particle be suspended in extracting solution adopts centrifugal method to be separated; US3553099 also points out to adopt organic solvent first to extract oil-sand, the residual sand of method process then washed with water; US4139450(1979) point out to adopt hot toluene to process oil-sand, adopt the method for two-stage centrifugal to carry out solid-liquor separation to extracting solution simultaneously; US4347118(1982) point out in adopt pentane to be that solvent extracts oil-sand, then adopt two-step fluidized bed to carry out drying to the residual grains of sand, not to fine grain process; Williams etc. (US4108760,1978) adopt the organism of supercritical temperature within 200 DEG C as solvent, extract, obtain good effect in 370 DEG C to 450 DEG C to oil-sand; Angelov, G. etc. (US4498971,1984) then propose to adopt liquid nitrogen to carry out freezing crushing to oil-sand and are separated it, extract pitch wherein;
US4929341(1990) report ammonium sulfate, acetone, sulfuric acid etc. and can promote organic solvent (zellon, tetracol phenixin, sherwood oil, toluene, the benzene etc.) extraction effect to oil-sand, but this technology need be carried out 4 hours and can be obtained better effects.
Comprehensive forefathers are about the patented technology using solvent extraction techniques to be separated oil-sand, the common problem run into is exactly the process problem about extracting microactuator suspension particle in rear residual sand and extracting solution, some technology can reach higher extraction efficiency, but the problem of solvent recuperation in residue cannot be solved, what have can solve solvent recovery problem in residue, but economic cost is too high, cannot industrializing implementation, these are also the reasons why solvent extraction techniques really cannot drop into industrial application up to now always; Therefore, solvent-extraction process will obtain industrialization and use, must solve and residue in solvent and the organic recovery problem of pitch in solid, and solve the problem important problem, be to provide a kind of suitable device, to guarantee that above-mentioned problem can realize with minimum cost, therefore, design a kind of device of separated from solvent oil-sand, be people problem very in the urgent need to address.
Summary of the invention
The object of this invention is to provide a kind of device of separated from solvent oil-sand, to overcome the above-mentioned defect that prior art exists, meet the needs of association area development.
The device of described separated from solvent oil-sand, comprising:
First steel basin, the top of described first steel basin is provided with organic solvent I entrance;
The flash liberation machine be connected by pipeline with the bottom of described steel basin, described flash liberation machine top is provided with extraction and exports mutually, and described extraction is exported mutually and is connected with follow-up refining procedure by pipeline;
The structure of term " suspension separator " is conventional, and relevant chemical engineering handbook is described later in detail;
The second steel basin be connected by pipeline with the bottom of described flash liberation machine, the top of described second steel basin is provided with organic solvent II entrance;
The secondary separation machine be connected by pipeline with the bottom of the second described steel basin, the top of described secondary separation machine is provided with organic solvent I outlet;
The spiral moisture eliminator be connected by pipeline with the bottom of described secondary separation machine, junction is positioned at the bottom of spiral moisture eliminator;
The condenser be connected by pipeline with the material outlet of described spiral moisture eliminator, described condenser is provided with condensate outlet.
Device of the present invention, can extract pass continuous operation to oil-sand, energy-saving and cost-reducing, solve the solvent recovery problem in residual sand after extracting, environmental pollution is little, and solvent recycles completely, decreasing middle-chain, is the device of the complete oil-sand separation that can be used for oily placering scene.
Accompanying drawing explanation
Fig. 1 is the structural representation of device of the present invention.
Embodiment
See Fig. 1, the device of described separated from solvent oil-sand, comprising:
First steel basin 3, the top of described first steel basin 3 is provided with organic solvent I entrance 301;
The flash liberation machine 4 be connected by pipeline with the bottom of described steel basin 3, described flash liberation machine 4 top is provided with extraction and exports 402 mutually, described extraction is exported 402 mutually and is connected with follow-up refining procedure 24 by pipeline, and described flash liberation machine 4 is preferably suspension separator; The structure of term " suspension separator " is conventional, and relevant chemical engineering handbook is described later in detail;
The second steel basin 5 be connected by pipeline with the bottom of described flash liberation machine 4, the top of described second steel basin 5 is provided with organic solvent II entrance 501;
The secondary separation machine 6 be connected by pipeline with the bottom of the second described steel basin 5, the top of described secondary separation machine 6 is provided with organic solvent I outlet, preferably, described organic solvent I is exported and is connected with the first steel basin 3 by pipeline, and secondary separation machine 6 is preferably suspension separator;
The spiral moisture eliminator 7 be connected by pipeline with the bottom of described secondary separation machine 6, junction is positioned at the bottom of spiral moisture eliminator 7;
The condenser 8 be connected by pipeline with the material outlet of described spiral moisture eliminator 7, described condenser 8 is provided with condensate outlet, and preferably, described condensate outlet is connected with the second steel basin (5) by pipeline;
Adopt said apparatus, extract the method for oil-sand medium pitch, comprise the steps:
(1) oil-sand and organic solvent I are sent into the first steel basin 3 mixed extraction, obtain the mixed serum of organic solvent I and oil-sand;
(2) by mixed serum that step (1) obtains, send into flash liberation machine 4, carry out a solid-liquid separation, collect respectively and extract mutually and put forward remaining phase, described extraction is the mixture of pitch and organic solvent I mutually, described in carry the mixture of Yu Xiangwei once residual sand and organic solvent I;
The extraction phase of collecting, send into follow-up refining procedure 24 refining and extract pitch, the organic solvent I of recovery can return and recycle;
(3) carrying of step (2) being collected remaining sends into the second steel basin 5 with organic solvent II, carries out second extraction;
(4) the residual coarse particles solid of secondary solid-liquid separation acquisition and the mixture of machine solvent II, send into the bottom of spiral moisture eliminator 7, carry out dry desolventizing to residual coarse particles solid;
Described spiral moisture eliminator is the general equipment in this area, and concrete structure can see chemical engineering handbook.
Containing the gaseous mixture of organic solvent II, flowed out by the top of spiral moisture eliminator 7, condensation in condenser 8, collects condensed organic solvent II, can be recycled;
The residual sand of solid of the argillaceous separated separated bottom spiral moisture eliminator 7, fine sand grain delivers to brick field, for the production of environmental protection anti-seismic structure brick.
Described organic solvent I is more than one the mixture in alkane and alcohols or aldehydes;
The volume ratio of alcohols or aldehydes and alkane is: alcohols or aldehydes: alkane=1 ~ 8: 1;
The alkane of described alkane preferably containing 8 ~ 12 carbon atoms;
The preferred propyl carbinol of described alcohols, isopropylcarbinol or neopentyl alcohol;
The preferred isobutyric aldehyde of described aldehydes.
Described oil-sand refers to the settling sand being rich in rock asphalt, therefore also referred to as " tar sand ".Oil-sand is in fact the mixture of a kind of pitch, sand, rich ore clay and water, wherein:
Pitch weight content is 20 ~ 30%;
Silica weight content is 10 ~ 15%,
Weight of calcium carbonate content is 55 ~ 65%,
Other substance weight content such as magnesium oxide, aluminium sesquioxide are 2 ~ 4%;
By the mixed serum that step (1) obtains, carry out a solid-liquid separation, collect respectively and extract mutually and put forward remaining phase, described extraction is the mixture of pitch and organic solvent I mutually, described in carry the mixture of Yu Xiangwei once residual sand and organic solvent I;
Collect and extract phase, send into follow-up refining procedure, extract pitch via refining procedure, the organic solvent I of recovery can return and recycle;
(3) carrying of step (2) being collected remaining mixes with organic solvent II, carry out second extraction, 40 ~ 120 DEG C are extracted 10 ~ 15min, obtain organic solvent I, organic solvent II and the mixed serum containing residual sand, then secondary solid-liquid separation is carried out, collect the clear liquid of secondary solid-liquid separation, be organic solvent I, can be recycled;
Described organic solvent II is selected from the mixture of alkane and petroleum naphtha, gasoline or reformed gasoline;
The volume ratio of alkane and petroleum naphtha, gasoline or reformed gasoline is: alkane: petroleum naphtha, gasoline or reformed gasoline=4 ~ 8: 1;
The alkane of described alkane preferably containing 8 ~ 12 carbon atoms;
Carrying remaining is 2 ~ 3: 1 with the long-pending ratio of machine solvent II body.
Embodiment 1
Adopt the flow process of Fig. 1, adopt separated from solvent oil-sand, in oil-sand, the weight content of pitch is 20%
Be crushed to via the broken sand separator of screw drum high-temperature water the oil-sand particle 5kg that size is 20mm, send into a steel basin 3 and mix at 25 DEG C with organic solvent I, stir 10min, then send into a suspension separator 4, carry out solid-liquor separation;
Described organic solvent I is the mixture of octane and isobutyric aldehyde, and volume ratio is octane: isobutyric aldehyde=1:5;
Organic solvent I is 2:1 with the mass ratio of oil-sand;
Follow-up refining procedure 24 is sent in isolated extraction mutually, and isolate pitch and organic solvent I, organic solvent I recycles;
Isolatedly put forward remaining phase, send in secondary stirring groove 5, add organic solvent II simultaneously, carry and remainingly with the long-pending ratio of machine solvent II body be: put forward remaining phase: organic solvent II=2: 1;
At 25 DEG C, 10min is extracted in washing, and obtain organic solvent I, organic solvent II and the mixed serum containing residual sand, then send into secondary wet cyclone 6, carry out solid-liquor separation, isolated liquid phase is organic solvent I, can be recycled;
Described organic solvent II is the mixture of octane and petroleum naphtha, octane: petroleum naphtha=5: 1;
Isolated residual coarse particles solid, sends into spiral moisture eliminator 7, carries out desolventizing process;
After spiral moisture eliminator 7 is heated to 100 DEG C, the gaseous mixture containing solvent vapo(u)r is sent into condenser 8 and is carried out condensation, isolates organic solvent II.The argillaceous that spiral moisture eliminator 7 obtains, the residual sand of solid of fine sand grain deliver to brick field, for the production of environmental protection anti-seismic structure brick.
The extraction yield 100% of gained oil sands bitumen, solvent recovering rate 100%; In thick residual sand containing quantity of solvent be 0, bituminous amount is 0, residual sand is all utilized.
Embodiment 2
Adopt the device of Fig. 1, adopt separated from solvent oil-sand, in oil-sand, the weight content of pitch is 30%
Be crushed to via the broken sand separator of screw drum high-temperature water the oil-sand particle 5kg that size is 20mm, send into a steel basin 3 and mix at 20 DEG C with organic solvent I, stir and extract 15min, then send into a suspension separator 4, carry out solid-liquor separation;
Described organic solvent I is the mixture of octane and isobutyric aldehyde, and volume ratio is octane: isobutyric aldehyde=1:8;
Organic solvent I is 3:1 with the mass ratio of oil-sand;
Follow-up refining procedure 24 is sent in isolated extraction mutually, and isolate pitch and organic solvent I, organic solvent I recycles;
Isolatedly put forward remaining phase, send in secondary stirring groove 5, add organic solvent II simultaneously, carry and remainingly with the long-pending ratio of machine solvent II body be: put forward remaining phase: machine solvent II=3:1;
Described organic solvent II is the mixture of octane and gasoline, octane: gasoline=8: 1;
At 20 DEG C, 15min is extracted in washing, and obtain organic solvent I, organic solvent II and process the mixed serum of residual sand, then send into secondary wet cyclone 6, carry out solid-liquor separation, isolated liquid phase is organic solvent I, can be recycled;
Isolated residual coarse particles solid, sends into spiral moisture eliminator 7, carries out desolventizing process;
After spiral moisture eliminator 7 is heated to 100 DEG C, the gaseous mixture containing solvent vapo(u)r is sent into condenser 8 and is carried out condensation, isolates organic solvent II.The argillaceous that spiral moisture eliminator 7 obtains, the residual sand of solid of fine sand grain deliver to brick field, for the production of environmental protection anti-seismic structure brick;
The extraction yield 100% of gained oil sands bitumen, solvent recovering rate 100%; In thick residual sand containing quantity of solvent be 0, bituminous amount is 0, residual sand is all utilized.
Claims (6)
1. the device of separated from solvent oil-sand, is characterized in that, comprising:
First steel basin (3), the top of described first steel basin (3) is provided with organic solvent I entrance (301);
The flash liberation machine (4) be connected by pipeline with the bottom of described steel basin (3), described flash liberation machine (4) top is provided with extraction and exports mutually (402);
The second steel basin (5) be connected by pipeline with the bottom of described flash liberation machine (4), the top of described second steel basin (5) is provided with organic solvent II entrance (501);
The secondary separation machine (6) be connected by pipeline with the bottom of described the second steel basin (5), the top of described secondary separation machine (6) is provided with organic solvent I outlet;
The spiral moisture eliminator (7) be connected by pipeline with the bottom of described secondary separation machine (6), junction is positioned at the bottom of spiral moisture eliminator (7);
The condenser (8) be connected by pipeline with the material outlet on described spiral moisture eliminator (7) top, described condenser (8) is provided with condensate outlet.
2. the device of separated from solvent oil-sand according to claim 1, is characterized in that, described extraction is exported (402) mutually and is connected with follow-up refining procedure (24) by pipeline.
3. the device of separated from solvent oil-sand according to claim 1, is characterized in that, described flash liberation machine (4) is suspension separator.
4. the device of separated from solvent oil-sand according to claim 1, is characterized in that, the organic solvent I on described secondary separation machine (6) top is exported and is connected with the first steel basin (3) by pipeline.
5. the device of separated from solvent oil-sand according to claim 1, is characterized in that, secondary separation machine (6) is suspension separator.
6. the device of separated from solvent oil-sand according to claim 1, is characterized in that, described condensate outlet is connected with the second steel basin (5) by pipeline.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410415957.2A CN105349164A (en) | 2014-08-22 | 2014-08-22 | Solvent separation device of oil sand |
| PCT/CN2015/087325 WO2016026421A1 (en) | 2014-08-22 | 2015-08-18 | Apparatus for separating oil sand using solvent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410415957.2A CN105349164A (en) | 2014-08-22 | 2014-08-22 | Solvent separation device of oil sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105349164A true CN105349164A (en) | 2016-02-24 |
Family
ID=55325233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410415957.2A Pending CN105349164A (en) | 2014-08-22 | 2014-08-22 | Solvent separation device of oil sand |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105349164A (en) |
| WO (1) | WO2016026421A1 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925190A (en) * | 2012-11-02 | 2013-02-13 | 天津大学 | Method and device for separating oil and sand |
| CN204111678U (en) * | 2014-08-22 | 2015-01-21 | 王平 | The device of separated from solvent oil-sand |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2750936C (en) * | 2004-01-08 | 2012-10-02 | Fort Hills Energy L.P. | Process for controlling component proportions for an oil sands tailings separation apparatus |
| US7998342B2 (en) * | 2006-03-07 | 2011-08-16 | Marathon Oil Canada Corporation | Separation of tailings that include asphaltenes |
| CA2689469A1 (en) * | 2009-12-30 | 2011-06-30 | Imperial Oil Resources Limited | Process and system for recovery of bitumen from oil sands |
| CA2714236A1 (en) * | 2010-09-01 | 2012-03-01 | Syncrude Canada Ltd. | Extraction of oil sand bitumen with two solvents |
| CN203741274U (en) * | 2014-03-07 | 2014-07-30 | 天津大学 | Oil-sand bitumen oil extraction device |
| CN203923101U (en) * | 2014-07-03 | 2014-11-05 | 辽宁圜球化工工程集团大连能源科技有限公司 | A kind of new oil sand preparing machine |
| CN104178202B (en) * | 2014-09-05 | 2016-02-17 | 张国柱 | Oil-sand extraction and separation technology method |
-
2014
- 2014-08-22 CN CN201410415957.2A patent/CN105349164A/en active Pending
-
2015
- 2015-08-18 WO PCT/CN2015/087325 patent/WO2016026421A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925190A (en) * | 2012-11-02 | 2013-02-13 | 天津大学 | Method and device for separating oil and sand |
| CN204111678U (en) * | 2014-08-22 | 2015-01-21 | 王平 | The device of separated from solvent oil-sand |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016026421A1 (en) | 2016-02-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105349166A (en) | Solvent separation method of oil sand | |
| CN102925190B (en) | Method and device for separating oil and sand | |
| US4539093A (en) | Extraction process and apparatus for hydrocarbon containing ores | |
| CN102010741B (en) | Method for directly liquefying coals with function of maximizing utilization of liquefied residues | |
| CN102399566B (en) | Method for extracting heavy liquefied oil and kerite substance from residue of direct coal liquefaction | |
| CN102399565B (en) | Method for extracting heavy liquefied oil from residue of coal direct liquefaction, extracted heavy liquefied oil, and application thereof | |
| CN105498280B (en) | A kind of method of the reversible solvent assisting oil-sand separation of hydrophily | |
| CN207193205U (en) | The organic solvent continuous extraction system of tar sand oil | |
| Al-Otoom et al. | Bitumen recovery from Jordanian oil sand by froth flotation using petroleum cycles oil cuts | |
| CN102888238A (en) | Method for extracting asphaltum oil in oil sand by using organic solvent | |
| CN103923686A (en) | Composite solvent for room-temperature extraction and separation of oil sand | |
| CN103484144A (en) | Solvent and method for extracting oil content in oil sand | |
| CN204111678U (en) | The device of separated from solvent oil-sand | |
| CN105733642B (en) | A kind of method for the double solvents and extraction that pitch is extracted for oil-sand | |
| CN105349165B (en) | The processing method of oil sand tailings after extracting pitch | |
| CN107445426A (en) | A kind of oil sludge and sand recycling treatment system and technique | |
| CN105462605A (en) | Method for separating oil and sands by adopting mixed solvent | |
| CN105349167A (en) | Solvent composition for processing oil sand tailings after bitumen extraction and application thereof | |
| CN105349164A (en) | Solvent separation device of oil sand | |
| CN100593437C (en) | Mining method of oil-bonded sand | |
| CN208362258U (en) | A kind of oil sands bitumen extraction element based on the extraction of thermokalite water | |
| CN204714753U (en) | A kind of oil-sand Atmospheric vacuum destructive distillation complex solvent extraction device | |
| CN109181739A (en) | Oil sand separating method | |
| CN102203216A (en) | A method of liquefaction of inflammable minerals | |
| CN105349168A (en) | Solvent composition for separating oil sand |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160224 |