CN104998588A - Slurry bed back-washing method and designing method and application of slurry bed - Google Patents
Slurry bed back-washing method and designing method and application of slurry bed Download PDFInfo
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- CN104998588A CN104998588A CN201510324803.7A CN201510324803A CN104998588A CN 104998588 A CN104998588 A CN 104998588A CN 201510324803 A CN201510324803 A CN 201510324803A CN 104998588 A CN104998588 A CN 104998588A
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- slurry bed
- bed system
- backwash
- coal
- oil
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- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/20—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium
- B01J8/22—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium gas being introduced into the liquid
-
- 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
- C10G1/08—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal with moving catalysts
-
- 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
- C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
- C10G45/02—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing
- C10G45/14—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing with moving solid particles
- C10G45/16—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing with moving solid particles suspended in the oil, e.g. slurries
-
- 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
- C10G47/00—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions
- C10G47/24—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions with moving solid particles
- C10G47/26—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions with moving solid particles suspended in the oil, e.g. slurries
-
- 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
- C10G49/00—Treatment of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, not provided for in a single one of groups C10G45/02, C10G45/32, C10G45/44, C10G45/58 or C10G47/00
- C10G49/10—Treatment of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, not provided for in a single one of groups C10G45/02, C10G45/32, C10G45/44, C10G45/58 or C10G47/00 with moving solid particles
- C10G49/12—Treatment of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, not provided for in a single one of groups C10G45/02, C10G45/32, C10G45/44, C10G45/58 or C10G47/00 with moving solid particles suspended in the oil, e.g. slurries
Abstract
The invention discloses a slurry bed back-washing method and a designing method and application of a slurry bed. The slurry bed back-washing method comprises the steps that part of self-generated wax oil or all self-generated wax oil is made to flow into equipment or a pipeline or a connector which is blocked due to coking or intermittent flowing for back washing. The equipment used for back washing comprises a hydrogenation reactor, a vacuum furnace and a separator. The back-washing method using wax oil has the advantages that operation is easy and convenient, automatic control is facilitated, the light oil yield is increased, the opening stability of a device is improved, and the maintenance cycle of a series of hydrogenation devices is prolonged.
Description
Technical field
The present invention relates to a kind of slurry bed system back-flushing method and method for designing thereof and purposes, belong to petrochemical industry and coal chemical technology.
Background technology
In recent years, world petroleum resource worsening shortages, and the heaviness of petroleum resources and in poor quality problem are more and more obvious, but along with the quick growth of economy, society grows with each passing day to the demand of oil product.Heavy oil deep process technology not only effectively can utilize petroleum resources, and can improve the economic benefit of oil-processing enterprises.Current processing of heavy oil mainly contains the techniques such as delayed coking, RFCC and residual hydrogenation.The product liquid of delayed coking unit of poor quality, coke yield is high.The requirement of RFCC to raw material is higher, cannot process residual oil inferior.Residual hydrogenation can process the poor residuum of high-sulfur, high carbon residue, high metal, improves the quality of liquid yield and product liquid simultaneously.Residue fixed-bed hydrogenation requires higher to the content of beary metal in residual oil, and residual oil slurry bed system hydrogenation effectively can remove sulphur, nitrogen and heavy metal in residual oil.
Meanwhile, China is the oil-poor country of a rich coal, in order to tackle current contradiction between oil supply and demand and implement energy-saving and emission-reduction policy, fully and clean utilization coal resources are important selections of guarantee energy security.Adopt coal liquefaction technology and oily coal mixing technology, refining coal and poor residuum are the important method solving China's energy dilemmas.Slurry bed system hydrogenation technique is the mixing core place of DCL/Direct coal liquefaction and oily coal.
Due to the operating temperature of slurry bed system hydrogenation technique and pressure all higher, coking and clogging are the biggest problem of this technological development of puzzlement all the time, how to address this problem and become study hotspot, the various methods of current proposition are all how to avoid producing coking and blocking, but in the long-term operation of this technique, coking and blocking almost cannot be avoided, and this just needs the back-flushing method of a kind of effective process coking and blocking.
Summary of the invention
Based on problems of the prior art, the invention provides a kind of slurry bed system back-flushing method.Self-produced mink cell focus is used for the equipment, pipeline etc. that rinse the blocking produced because of coking or discontinuous flow, dredges Be very effective and too large operational load impact can not be produced on device.
Technical scheme of the present invention:
A kind of slurry bed system back-flushing method, is characterized in that the self-produced wax oil of slurry bed system hydrogenation reaction and/or heavy diesel fuel are delivered to the equipment blocked because of coking or discontinuous flow in slurry bed system hydrogenation reaction technique and/or pipeline and/or interface for backwash coking material or tamper.
Equipment preferably for backwash comprises slurry bed system hydrogenation reactor, vacuum furnace and/or separator.
Wherein said slurry bed system hydrogenation reactor comprises reactor tower body, feed distributor and circulation bubble-cap, and backwash point comprises the plate face of the distribution grid of described feed distributor and described circulation bubble-cap place.Described circulation bubble-cap place is rinsed by the flushing pipe be positioned on described reactor tower body, and described duct height is greater than or equal to described circulation height of bubble cap.
Wherein said vacuum furnace is vertical tubular structure, and backwash point is arranged on vacuum furnace import department, rinses the coking in decompression boiler tube.
Wherein said separator comprises the heavy constituent discharging opening of gaseous phase outlet and the cylinder body bottom being positioned at cylindrical shell top, cylindrical shell lower end adopts taper structure to the part of heavy constituent discharging opening, cone angle is 40-120 °, and backwash point is the inclined plane of described gaseous phase outlet both sides and pyramidal structure.
The preferred interface for backwash and pipeline comprise because coking or interruption use and produce the pipeline in dead band, thief hatch and instrumentation tap, the by-pass of control valve, pump etc.
A kind of slurry bed system back-flushing method, it is characterized in that the self-produced wax oil of slurry bed system hydrogenation reaction and/or a heavy diesel fuel part flow in the equipment blocked because of coking or discontinuous flow in slurry bed system hydrogenation reaction technique or pipeline or interface for backwash tamper, a part with partly or entirely to treat the raw material slurry that the raw material of hydrogenation or the mixture of raw material and catalyst are mixed to get viscosity and reduce, described raw material slurry enters described slurry bed system hydrogenation reactor circulation hydrogenation.
Treat described in preferred described wax oil accounts for that the mass fraction of the raw material of hydrogenation is 4-30wt%.
Described raw material slurry is not when temperature is higher than 60 DEG C, and dynamic viscosity is not higher than 750cSt.
The purposes of above slurry bed system back-flushing method, it is characterized in that for heavy oil hydrogenation process, direct coal liquefaction process and oily coal calendering process, described heavy oil comprises heavy crude, residual oil, catalytic slurry, one or more combinations in de-oiled asphalt and coal tar, described coal comprises brown coal, bituminous coal, one or more combinations in dross coal, described oily coal calendering process refers to heavy crude, residual oil, catalytic slurry, one or more combination and brown coal in de-oiled asphalt and coal tar, bituminous coal, one or more in dross coal are combined as raw material and process, oil is 97:3-40:60 with the proportion of coal.
Also comprise the method for designing of above-mentioned slurry bed system back-flushing method.
Technique effect of the present invention:
A kind of slurry bed system back-flushing method of the present invention, utilize the good feature of the mobility of wax oil or heavy diesel fuel, part or all of wax oil self-produced for hydrogenation technique or heavy diesel fuel be used for rinsing the device of the coking because of HTHP in hydrogenation technique or use and the pipeline that blocks or interface because being interrupted, used oil is that semi-finished product, industrial cost are low, and draw materials conveniently, commercial operability is strong.The more important thing is because used oil is one of product in slurry bed system hydrogenation reaction technique, therefore can not have much impact to back purge system and reaction system while tamper is taken out of.Refuse after flushing is directly separated in the separator.Be particularly suitable for the heavy crude of the more thus easier coking of solid heavier feeds content, blocking in reaction mass, poor residuum hydrogenation or oily coal is mixing or in direct coal liquefaction process.
Accompanying drawing explanation
Fig. 1 is the wax oil backwash schematic diagram for paste state bed reactor of the embodiment of the present invention 1;
Fig. 2 is the wax oil backwash schematic diagram for separating of device of the embodiment of the present invention 2;
Fig. 3 is the wax oil backwash schematic diagram for vacuum furnace of the embodiment of the present invention 3;
Fig. 4 is the wax oil backwash schematic diagram for valve of the embodiment of the present invention 4.
Drawing reference numeral:
1-paste state bed reactor feed distributing plate; 2-paste state bed reactor recycle feed distribution grid; 3-bubble-cap; 4-bubble-cap backwash point; 5-separator; 6-separator gas outlet backwash point; 7-separator heavy constituent outlet backwash point; 8-vacuum furnace; 9-vacuum furnace flush points; 10-valve dead band flush points.
Detailed description of the invention
For setting forth specific features of the present invention further, composition graphs 1,2,3,4 and embodiment are illustrated.
Following embodiment is slurry bed system oil coal calendering process, and fraction products comprises wax oil, and is communicated with the backwash point of following embodiment with circulating pump by pipeline by wax oil.
Embodiment 1
Fig. 1 is the wax oil backwash schematic diagram for paste state bed reactor of the present embodiment.As shown in Figure 1, self-produced wax oil in the present embodiment easily produces the paste state bed reactor bubble-cap 3 of coking in paste state bed reactor for rinsing, wherein said bubble-cap 3 falls into bubble-cap 3 for making unreacted heavy oil residue or coal dust by gravity, it is outside that reactor cycles pipe along below flows out tower body, the recycle feed distributor 2 in tower body is pumped through by reactor cycles pump, again enter in reaction tower body, proceed the reactions such as catalytic hydrogenation.Circumferentially correspond to the height and position place of described paste state bed reactor bubble-cap 3 at reactor to arrange opening and introduce self-produced wax oil as bubble-cap backwash point 4, rinse coking or residual solid matter on paste state bed reactor bubble-cap 3 inwall.At paste state bed reactor feed distributing plate 1 and paste state bed reactor recycle feed distribution grid 2 place, because the mesh in the plate face of distribution grid is less, easily by solid material or catalyst blockage, therefore flushing oil entrance is set at corresponding two distribution grid inclined-planes place, rinse the tamper on distribution grid face, make feed distributor unobstructed.Above flushing operation state is continued operation.
Embodiment 2
Fig. 2 is the wax oil backwash schematic diagram for separating of device of the present embodiment.As shown in Figure 2, separator gas outlet backwash point 6 is set in the both sides that the upper gaseous phase of described separator 5 exports and two separator heavy constituent outlet backwash points 7 are evenly set at bottom heavy constituent outlet pyramidal structure place, backwash medium is the self-produced wax oil in previous process in hydrogenation technique, and state is continued operation.
Embodiment 3
Fig. 3 is the wax oil backwash schematic diagram for vacuum furnace of the present embodiment.As shown in Figure 3, vacuum furnace flush points 9 is set in the import department of vacuum furnace 8 and introduces recoil washing oil, coking mainly occurs in decompression boiler tube, when detecting that the coking material in boiler tube starts wax oil backwashing system when needing to rinse, described wax oil is the self-produced wax oil in previous process in hydrogenation technique, and state is intermittent operation.The wax oil of backwash system rinses from bottom to top, and the pressure rinsing wax oil comes from circulating pump, without the need to arranging backwashing pump separately.
Embodiment 4
Fig. 4 is the wax oil backwash schematic diagram for valve of the present embodiment.As shown in Figure 4, valve dead band flush points 10 is located at distance intermittent operation valve the most nearby, when the valve is closed, start wax oil backwash, described wax oil is the self-produced wax oil in embodiment 1 in hydrogenation technique.
Flushing oil wax oil in embodiment also can replace with the mixture of diesel oil or wax oil and diesel oil.Only diesel oil is product oil, and developing cost is high.
Described paste state bed reactor, separator, vacuum furnace and valve or pipeline can also be the miscellaneous equipment or pipeline that use in heavy oil hydrogenation process, direct coal liquefaction process and oily coal calendering process.
In addition, by a part of wax oil and raw material and/or the catalyst mix Posterior circle hydrogenation for the treatment of hydrogenation, the dual purpose reducing solid material viscosity and hydrocracking again can also be served, self-produced wax oil recycled more fully.
Conclusion:
As can be seen from above-described embodiment, a kind of slurry bed system back-flushing method of the present invention, rinses out the tamper forming dead band part because of coking or intermittent operation very effectively, and can not produce too large operational load impact to flusher.Wax oil back-flushing method of the present invention is applied to the equipment or pipeline that use in heavy oil hydrogenation process, direct coal liquefaction process and oily coal calendering process.Easy and simple to handle, and be convenient to Automated condtrol, improve light oil yield, enhance the stability that hydrogenation equipment series runs, improve time between overhauls(TBO), significant.
The foregoing is only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement; the any combination of such as above-described embodiment; and be applied in the position that other produces coking, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (10)
1. a slurry bed system back-flushing method, is characterized in that the self-produced wax oil of slurry bed system hydrogenation reaction and/or heavy diesel fuel are delivered to the equipment of the blocking in slurry bed system hydrogenation reaction technique and/or pipeline and/or interface for backwash coking material or tamper.
2. a kind of slurry bed system back-flushing method according to claim 1, is characterized in that comprising slurry bed system hydrogenation reactor, vacuum furnace and/or separator for the equipment of backwash.
3. a kind of slurry bed system back-flushing method according to claim 2, it is characterized in that described slurry bed system hydrogenation reactor comprises reactor tower body, feed distributor and circulation bubble-cap, backwash point comprises the plate face of the distribution grid of described feed distributor and described circulation bubble-cap place.
4. a kind of slurry bed system back-flushing method according to claim 3, it is characterized in that described circulation bubble-cap place is rinsed by the flushing pipe be positioned on described reactor tower body, described duct height is greater than or equal to described circulation height of bubble cap.
5. a kind of slurry bed system back-flushing method according to claim 2, it is characterized in that described vacuum furnace is vertical tubular structure, backwash point is arranged on vacuum furnace import department, rinses the coking in decompression boiler tube.
6. a kind of slurry bed system back-flushing method according to claim 2, it is characterized in that described separator comprises the heavy constituent discharging opening of gaseous phase outlet and the cylinder body bottom being positioned at cylindrical shell top, cylindrical shell lower end adopts taper structure to the part of heavy constituent discharging opening, cone angle is 40-120 °, and backwash point is the inclined plane of described gaseous phase outlet both sides and pyramidal structure.
7. a kind of slurry bed system back-flushing method according to claim 1, is characterized in that comprising because coking or interruption use and produce the by-pass of the thief hatch in dead band, instrumentation tap, control valve, pump for the interface of backwash.
8. a slurry bed system back-flushing method, it is characterized in that the self-produced wax oil of slurry bed system hydrogenation reaction and/or a heavy diesel fuel part flow in the equipment of coking in slurry bed system hydrogenation reaction technique or blocking and/or pipeline and/or interface for backwash tamper, a part with partly or entirely to treat the raw material slurry that the raw material of hydrogenation or the mixture of raw material and catalyst are mixed to get viscosity and reduce, described raw material slurry enters described slurry bed system hydrogenation reactor circulation hydrogenation.
9. according to the purposes of the arbitrary described a kind of slurry bed system back-flushing method of claim 1-8, it is characterized in that for heavy oil hydrogenation process, direct coal liquefaction process and oily coal calendering process, described heavy oil comprises one or more combinations in heavy crude, residual oil, catalytic slurry, de-oiled asphalt and coal tar, described coal comprises one or more combinations in brown coal, bituminous coal, dross coal, and in described oily coal calendering process, oil is 97:3-40:60 with the proportion of coal.
10. a slurry bed system backwash method for designing, is characterized in that designing the self-produced wax oil of slurry bed system hydrogenation reaction and/or heavy diesel fuel and is delivered to the equipment of the blocking in slurry bed system hydrogenation reaction technique and/or pipeline and/or interface for backwash coking material or tamper.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510324803.7A CN104998588A (en) | 2015-06-12 | 2015-06-12 | Slurry bed back-washing method and designing method and application of slurry bed |
| PCT/CN2015/094553 WO2016197537A1 (en) | 2015-06-12 | 2015-11-13 | Backwashing method, design method therefor, and use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510324803.7A CN104998588A (en) | 2015-06-12 | 2015-06-12 | Slurry bed back-washing method and designing method and application of slurry bed |
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| CN104998588A true CN104998588A (en) | 2015-10-28 |
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| CN201510324803.7A Pending CN104998588A (en) | 2015-06-12 | 2015-06-12 | Slurry bed back-washing method and designing method and application of slurry bed |
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| CN (1) | CN104998588A (en) |
| WO (1) | WO2016197537A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016197537A1 (en) * | 2015-06-12 | 2016-12-15 | 北京中科诚毅科技发展有限公司 | Backwashing method, design method therefor, and use thereof |
| CN107661735A (en) * | 2017-09-30 | 2018-02-06 | 北京中科诚毅科技发展有限公司 | A kind of hydrogenation reactor feed distributor and its feeding process, design method and purposes |
| CN109759395A (en) * | 2019-03-12 | 2019-05-17 | 胜帮科技股份有限公司 | A kind of backwash technique and back-purge system for catalytic hydrogenation reaction system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111303938B (en) * | 2019-09-10 | 2022-08-12 | 武汉兰兆科技有限公司 | Method for producing needle coke raw oil by catalyzing oil slurry to remove solids efficiently |
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| CN104998588A (en) * | 2015-06-12 | 2015-10-28 | 北京中科诚毅科技发展有限公司 | Slurry bed back-washing method and designing method and application of slurry bed |
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- 2015-06-12 CN CN201510324803.7A patent/CN104998588A/en active Pending
- 2015-11-13 WO PCT/CN2015/094553 patent/WO2016197537A1/en active Application Filing
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| CN101081357A (en) * | 2006-05-31 | 2007-12-05 | 中国石油化工股份有限公司 | Slurry bed circulatory flow reactor and uses thereof |
| CN101314120A (en) * | 2007-05-31 | 2008-12-03 | 中国石油化工股份有限公司 | Slurry bed reactor and uses thereof |
| CN101396647A (en) * | 2007-09-29 | 2009-04-01 | 中科合成油技术有限公司 | Gas-liquid-solid three-phase suspended bed reactor for f-t synthesis and use thereof |
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| WO2016197537A1 (en) * | 2015-06-12 | 2016-12-15 | 北京中科诚毅科技发展有限公司 | Backwashing method, design method therefor, and use thereof |
| CN107661735A (en) * | 2017-09-30 | 2018-02-06 | 北京中科诚毅科技发展有限公司 | A kind of hydrogenation reactor feed distributor and its feeding process, design method and purposes |
| CN109759395A (en) * | 2019-03-12 | 2019-05-17 | 胜帮科技股份有限公司 | A kind of backwash technique and back-purge system for catalytic hydrogenation reaction system |
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| Publication number | Publication date |
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| WO2016197537A1 (en) | 2016-12-15 |
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Application publication date: 20151028 |
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