CN105733062A - Method for preparing oil-based composite oil product drag reducer from finished oil decoloring spent bleaching clay - Google Patents
Method for preparing oil-based composite oil product drag reducer from finished oil decoloring spent bleaching clay Download PDFInfo
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- CN105733062A CN105733062A CN201610156047.6A CN201610156047A CN105733062A CN 105733062 A CN105733062 A CN 105733062A CN 201610156047 A CN201610156047 A CN 201610156047A CN 105733062 A CN105733062 A CN 105733062A
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- 239000004927 clay Substances 0.000 title claims abstract description 89
- 238000004061 bleaching Methods 0.000 title claims abstract description 88
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 41
- 239000002131 composite material Substances 0.000 title abstract description 10
- 230000009467 reduction Effects 0.000 claims abstract description 33
- 229920000098 polyolefin Polymers 0.000 claims abstract description 29
- 230000008569 process Effects 0.000 claims abstract description 19
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003093 cationic surfactant Substances 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims description 34
- 150000001875 compounds Chemical class 0.000 claims description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 12
- 239000002283 diesel fuel Substances 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000002888 zwitterionic surfactant Substances 0.000 claims description 8
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000001291 vacuum drying Methods 0.000 claims description 5
- 238000010792 warming Methods 0.000 claims description 5
- -1 dodecyl benzenesulfonyl Chemical group 0.000 claims description 4
- AOMUHOFOVNGZAN-UHFFFAOYSA-N N,N-bis(2-hydroxyethyl)dodecanamide Chemical compound CCCCCCCCCCCC(=O)N(CCO)CCO AOMUHOFOVNGZAN-UHFFFAOYSA-N 0.000 claims description 3
- DDXLVDQZPFLQMZ-UHFFFAOYSA-M dodecyl(trimethyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)C DDXLVDQZPFLQMZ-UHFFFAOYSA-M 0.000 claims description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 2
- 239000007822 coupling agent Substances 0.000 abstract description 3
- 238000004381 surface treatment Methods 0.000 abstract description 2
- 239000002280 amphoteric surfactant Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 239000013339 polymer-based nanocomposite Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000011268 retreatment Methods 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/16—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The invention relates to a method for preparing an oil-based composite oil product drag reducer from finished oil decoloring spent bleaching clay.The spent bleaching clay occurring after finishing of an oil product is reutilized, a series of surface treatments are utilized, surface properties of the spent bleaching clay are improved by using a titanate coupling agent, a certain non-polar structure is formed on the surface of the spent bleaching clay through an amphoteric surfactant and a cationic surfactant, and the spent bleaching clay is facilitated entering the microstructure of a polyolefin drag reducer and the composite drag reducer can be better formed.The method has the advantages that by using a unitary structure with nano-grade spent bleaching clay, applicability of the polyolefin drag reduction molecules is enhanced through effective control for a compositing process; in addition, the components used herein may be optimally proportioned to promote synergy of the spent bleaching clay and polyolefin, thus improving the applicability of the drag reducer and reducing application cost of the drag reducer.
Description
Technical field
The present invention relates to the drag reduction of a kind of pipeline drag reduction conveying and increase transferring technology field, particularly to the method that a kind of product oil decolouring spent bleaching clay prepares oil base compound oil product drag reducer.
Background technology
Natural clay is after a series of processes process, prepare the active hargil with bigger surface area, flourishing pore structure and good adsorption properties, some polar compounds in oil product (colloid, asphalitine, sulfur-bearing, nitrogen-containing compound etc.) can be adsorbed, be widely used in the oil decolorization refinement treatment of petroleum chemical industry.Active hargil, after the adsorbance that reaches capacity, loses absorbability, it is necessary to constantly updating, therefore petroleum chemical industry all can produce substantial amounts of spent bleaching clay every year, it is necessary to Regeneration Treatment or harmless treatment, brings corresponding waste and environmental problem.Spent bleaching clay is except some impurity containing absorption, and its microstructure and chemical composition do not change substantially, with Al2O3And SiO2Cellular construction be main, Retreatment method is proper, it is possible to use its nanostructured or chemistry are made, in order to prepare molecular sieve or the raw material of other nanometers, nano composite material.
Due to oil, the yield of oil product, throughput rate uncertainty, oil product conveyance conduit needs certain operating flexibility.Oil product drag reduction increases the drag reducer conveying technique of adding of one of transferring technology and is through the microcosmic effect reduction pipeline delivery pressure of drag reducer molecule or improves the pipe transportation technology of conveying capacity.Conventional oil product drag reducer be molecular weight at millions of polyolefin, reduce friction energy loss in oil product flowing by the elastic deformation of its strand, reduce flow resistance, it is achieved drag reduction increases defeated purpose.The molecular weight of general high polymer is more big, and the more high then drag-reduction effect of noncrystalline degree is more obvious, therefore pursues synthesizing super high molecular weight and the narrower frictional reducing polymer of molecular weight distribution always.But the fault shearing signs of degradation of strand very easily occurs polymer-based nano-composite s polymer in application process, and this shear degradation attribute is permanent, irreversible, and therefore drag reducer loses application performance.So oil product flows through high shear environment, drag reducer need to be supplemented with to maintain its drag-reduction effect, in use take the technique that station, station fills drag reducer continuously to obtain continual and steady drag-reduction effect.Therefore, from the angle of application demand, polymer drag reducer preferably has certain anti-shear performance, reduces filling website, saves cost；From technical development angle, drag reducer constantly improves towards the direction of functionalization, it is necessary to improve drag-reduction effect further, gives some special functions of drag reducer simultaneously, and wherein the anti-shear performance of drag reducer is the direction of a tackling key problem.The present invention is directed to the demand that drag reduction polyolefin application performance improves, utilize the physics and chemistry feature of hargil, spent bleaching clay is carried out innoxious recycling effectively, be a kind of method by spent bleaching clay and drag reduction polyolefin for oil base composite anti-drag agent.
Summary of the invention
The purpose of the present invention is aiming at the drawbacks described above that prior art exists, a kind of product oil decolouring method that spent bleaching clay prepares oil base compound oil product drag reducer is provided, for the demand that spent bleaching clay harmless treatment and oil product drag reducer performance improve, spent bleaching clay and drag reduction polyolefin are carried out effective compound, thus preparing high efficiency composition drag reducer.
The method that a kind of product oil decolouring spent bleaching clay that the present invention mentions prepares oil base compound oil product drag reducer, comprises the following steps that:
The first step, weighs the spent bleaching clay after decolouring, puts in ball mill and be ground, and then through sieved through sieve, leaves and takes the spent bleaching clay powder leaking through screen cloth, stand-by；
Second step, the spent bleaching clay powder first step obtained is at 80～100 DEG C of dry 24～48h, then is placed in Muffle furnace, passes into nitrogen, 400～600 DEG C of conditions, and roasting cools down stand-by；
3rd step, weighs the spent bleaching clay that quantitative second step processes, and is that 1:5～1:10 adds deionized water according to mass ratio, controls temperature at 20～30 DEG C, and stirring is stand-by；
4th step, according to spent bleaching clay mass ratio 1:1～1:2, titanate esters being slowly added in the spent bleaching clay of the 3rd step, supersound process at 20～30 DEG C；
5th step, according to being that 10:1～5:1 adds cationic surfactant in the solution of the 4th step, controlling temperature at 20～40 DEG C with spent bleaching clay mass ratio, stirring mixing is completely；
6th step, according to being that 100:1～50:1 adds zwitterionic surfactant in the solution of the 5th step, controlling temperature at 30～40 DEG C with spent bleaching clay mass ratio, stirring mixing is completely；
7th step, is positioned in vacuum drying oven by the solution of the 6th step 24～36h, puts in drying basin standby after taking-up；
8th step, 1 part of drag reduction polyolefin is placed in 10 parts of diesel oil, 20～30 DEG C of stirring at low speed are dissolved, it is warming up to 50～60 DEG C, by being that 100:11-100:3 adds the spent bleaching clay handled well of the 7th step with drag reduction polyolefin mass ratio, continue stirring at low speed, make drag reduction polyolefin and the abundant compound of spent bleaching clay, obtain oil base compound oil product drag reducer.
Above-mentioned cationic surfactant adopts Dodecyl trimethyl ammonium chloride or cetyl trimethylammonium bromide.
Above-mentioned zwitterionic surfactant adopts empgen BB or lauryl diethanolamide.
Above-mentioned titanate esters is isopropyl three (dodecyl benzenesulfonyl) titanate esters.
The method that a kind of product oil decolouring spent bleaching clay that the present invention mentions prepares oil base compound oil product drag reducer, the making step including in detailed below:
The first step, weighs the spent bleaching clay after 100 parts of decolourings, puts into and be ground 20-60min in ball mill, sieves then through 400 eye mesh screens, leaves and takes the spent bleaching clay powder leaking through screen cloth, stand-by；
Second step, is placed in baking oven by the spent bleaching clay powder that the first step obtains 80～100 DEG C of dry 24～48h, then is placed in Muffle furnace, passes into nitrogen, 400～600 DEG C of conditions, and roasting 1～4h cools down stand-by；
3rd step, weighs the spent bleaching clay that quantitative second step processes, and is that 1:5～1:10 adds deionized water according to mass ratio, controls temperature at 20～30 DEG C and 100～200r/min, stir 30～60min in beaker, stand-by；
4th step, according to spent bleaching clay mass ratio 1:1～1:2, titanate esters being slowly added in the beaker of the 3rd step, supersound process 30～60min at 20～30 DEG C；
5th step, according to being that 10:1～5:1 adds cationic surfactant in the solution of the 4th step, controlling temperature at 20～40 DEG C and 50～80r/min with spent bleaching clay mass ratio, stirring 30～60min mixing is complete；
6th step, according to being that 100:1～50:1 adds zwitterionic surfactant in the solution of the 5th step, controlling temperature at 30～40 DEG C and 50r/min with spent bleaching clay mass ratio, stirring 10～60min mixing is completely；
7th step, is positioned in vacuum drying oven by the solution of the 6th step 24～36h, puts in drying basin standby after taking-up；
8th step, 10 parts of drag reduction polyolefin are placed in 100 parts of diesel oil, 20～30 DEG C of stirring at low speed are dissolved 4～12 hours, it is warming up to 50～60 DEG C, by being that 100:11-100:3 adds the spent bleaching clay handled well of the 7th step with drag reduction polyolefin mass ratio, continue stirring at low speed 2 hours, make drag reduction polyolefin and the abundant compound of spent bleaching clay, obtain oil base compound oil product drag reducer.
The invention has the beneficial effects as follows: the discarded hargil after oil refinery process has been recycled by the present invention, utilize a series of surface treatment, titanate coupling agent is utilized to improve spent bleaching clay surface nature, certain non-polar conformations is formed on spent bleaching clay surface again through zwitterionic surfactant, cationic surfactant, contribute in the micro structure that spent bleaching clay enters polyolefin drag reducing agents, better form composite anti-drag agent；Meanwhile, utilize the nanoscale structures of spent bleaching clay, by the Al of polymer and spent bleaching clay2O3And SiO2The interphase interaction of cellular construction solve the macromolecular chain irreversible degradation problem under shear action；Composite anti-drag agent preparation method of the present invention, utilizes the cellular construction with nanoscale spent bleaching clay, is controlled by recombination process effectively, in order to strengthen the application performance of polyolefin drag reduction molecule；
It addition, the component that the present invention adopts, it is possible to by optimized proportion, promote synergism between spent bleaching clay and polyolefin, and then promote drag reducer application performance, reduce injecting application cost.
Detailed description of the invention
Embodiment 1: the method that the product oil decolouring spent bleaching clay that the present invention mentions prepares oil base compound oil product drag reducer is as follows:
Weigh the spent bleaching clay after the decolouring of 100g gasoline, put into and ball mill is ground 60min, sieve through 400 eye mesh screens, leave and take the spent bleaching clay powder through screen cloth after 100 DEG C of dry 48h, then be placed in Muffle furnace, under nitrogen protection, 600 DEG C of roasting 4h；
Weigh the spent bleaching clay after 5g roasting, add 50g deionized water, the stirring 60min when 30 DEG C and 200r/min；Weigh 10g titanate esters KR-9S again and be slowly added in beaker, continue at 30 DEG C, supersound process 60min；Now, add 1g cetyl trimethylammonium bromide, control temperature at 40 DEG C, with 80r/min, stirring 60min to mixing completely；Adding 0.05g empgen BB, 40 DEG C and 50r/min, stirring 60min is to mixing completely；
Beaker is placed in vacuum drying oven dry 36 hours, takes out standby after solvent evaporates completely；10g drag reduction polyolefin is joined in 100ml diesel oil, 30 DEG C of stirring at low speed 12 hours, then it is warming up to 60 DEG C, by the 0.3g spent bleaching clay handled well, 30 DEG C are continued stirring at low speed 2 hours, obtain oil base compound oil product drag reducer；
Through diesel oil drag reduction evaluation test system, drag reducer concentration 25ppm, recording common polyolefin drag reducing agents drag reduction efficiency is 36.85%；After adding the composite anti-drag agent of same concentration, drag reducer drag reducing efficiency is increased to 41.66%, and after a pump-shear effect, drag reducing efficiency maintains 16.93%.
Embodiment 2: the method that the product oil decolouring spent bleaching clay that the present invention mentions prepares oil base compound oil product drag reducer is as follows:
Weigh the spent bleaching clay after the decolouring of 100g alkylate oil, put into and ball mill is ground 20min, sieve through 400 eye mesh screens, leave and take the spent bleaching clay powder through screen cloth after 80 DEG C of dry 24h, then be placed in Muffle furnace, under nitrogen protection, 400 DEG C of roasting 1h.
Weigh the spent bleaching clay after 5g roasting, add 25g deionized water, the stirring 30min when 20 DEG C and 100r/min；Weigh 5g titanate esters KR-9S again and be slowly added in beaker, continue at 20 DEG C, supersound process 30min；Now, add 0.5g cetyl trimethylammonium bromide, control temperature at 20 DEG C, with 50r/min, stir 30min；Add 0.1g empgen BB, 30 DEG C and 50r/min, stir 10min.
Through diesel oil drag reduction evaluation test system, drag reducer concentration 25ppm, recording common polyolefin drag reducing agents drag reduction efficiency is 36.85%；After adding the composite anti-drag agent of same concentration, drag reducer drag reducing efficiency is increased to 39.10%, and after a pump-shear effect, drag reducing efficiency maintains 13.27%.
Embodiment 3: the method that the product oil decolouring spent bleaching clay that the present invention mentions prepares oil base compound oil product drag reducer is as follows:
Weigh the spent bleaching clay after 100g diesel decoloration, put into and ball mill is ground 40min, sieve through 400 eye mesh screens, leave and take the spent bleaching clay powder through screen cloth after 90 DEG C of dry 36h, then be placed in Muffle furnace, under nitrogen protection, 400 DEG C of roasting 3h.
Weigh the spent bleaching clay after 5g roasting, add 40g deionized water, the stirring 45min when 25 DEG C and 150r/min；Weigh 8g titanate esters KR-9S again and be slowly added in beaker, continue at 25 DEG C, supersound process 50min；Now, add 0.8g Dodecyl trimethyl ammonium chloride, control temperature at 30 DEG C, with 70r/min, stir 50min；Add 0.08g lauryl diethanolamide, 35 DEG C and 50r/min, stir 40min.
Through diesel oil drag reduction evaluation test system, drag reducer concentration 25ppm, recording common polyolefin drag reducing agents drag reduction efficiency is 36.85%；After adding the composite anti-drag agent of same concentration, drag reducer drag reducing efficiency is increased to 40.03%, and after a pump-shear effect, drag reducing efficiency maintains 14.37%.
Embodiment 4: the method that the product oil decolouring spent bleaching clay that the present invention mentions prepares oil base compound oil product drag reducer is as follows:
Weigh the spent bleaching clay after the decolouring of 100g gasoline, put into and ball mill is ground 30min, sieve through 400 eye mesh screens, leave and take the spent bleaching clay powder through screen cloth after 100 DEG C of dry 44h, then be placed in Muffle furnace, under nitrogen protection, 500 DEG C of roasting 4h.
Weigh the spent bleaching clay after 5g roasting, add 30g deionized water, the stirring 45min when 28 DEG C and 175r/min；Weigh 7g titanate esters KR-9S again and be slowly added in beaker, continue at 25 DEG C, supersound process 45min；Now, add 0.7g cetyl trimethylammonium bromide, control temperature at 35 DEG C, with 60r/min, stir 45min；Add 0.07g empgen BB, 35 DEG C and 50r/min, stir 55min.
Through diesel oil drag reduction evaluation test system, drag reducer concentration 25ppm, recording common polyolefin drag reducing agents drag reduction efficiency is 36.85%；After adding the composite anti-drag agent of same concentration, drag reducer drag reducing efficiency is increased to 40.58%, and after a pump-shear effect, drag reducing efficiency maintains 14.72%.
Table 1 drag reducer anti-shear performance contrasts
This example utilizes the discarded hargil after gasoline, diesel oil or alkylate oil decolouring, by grinding, sieve, drying and calcination process, coupling agent is adopted to carry out surface processing modification again, improve spent bleaching clay surface property, by adding cationic surfactant and zwitterionic surfactant, modulation spent bleaching clay surface oil-wet behavior.Then in diesel oil medium, with the oil base compound oil product drag reducer that blend method obtains.Nanoscale structures and surface modification due to hargil, it is possible to better with nonpolar polyolefin drag reducing agents compound, utilize the microcosmic physicochemical property of granule, improve the anti-shearing application performance of the drag reduction sum of polyolefin draft reduction material.
The above, be only the part preferred embodiment of the present invention, and equivalent technical scheme is revised or be revised as to any those of ordinary skill in the art all technical schemes possibly also with above-mentioned elaboration.Therefore, any simple modification carried out according to technical scheme or substitute equivalents, belong to the greatest extent the scope of protection of present invention.
Claims (5)
1. the method that product oil decolouring spent bleaching clay prepares oil base compound oil product drag reducer, is characterized in that comprising the following steps that:
The first step, weighs the spent bleaching clay after decolouring, puts in ball mill and be ground, and then through sieved through sieve, leaves and takes the spent bleaching clay powder leaking through screen cloth, stand-by；
Second step, the spent bleaching clay powder first step obtained is at 80～100 DEG C of dry 24～48h, then is placed in Muffle furnace, passes into nitrogen, 400～600 DEG C of conditions, and roasting cools down stand-by；
3rd step, weighs the spent bleaching clay that quantitative second step processes, and is that 1:5～1:10 adds deionized water according to mass ratio, controls temperature at 20～30 DEG C, and stirring is stand-by；
4th step, according to spent bleaching clay mass ratio 1:1～1:2, titanate esters being slowly added in the spent bleaching clay of the 3rd step, supersound process at 20～30 DEG C；
5th step, according to being that 10:1～5:1 adds cationic surfactant in the solution of the 4th step, controlling temperature at 20～40 DEG C with spent bleaching clay mass ratio, stirring mixing is completely；
6th step, according to being that 100:1～50:1 adds zwitterionic surfactant in the solution of the 5th step, controlling temperature at 30～40 DEG C with spent bleaching clay mass ratio, stirring mixing is completely；
7th step, is positioned in vacuum drying oven by the solution of the 6th step 24～36h, puts in drying basin standby after taking-up；
8th step, 1 part of drag reduction polyolefin is placed in 10 parts of diesel oil, 20～30 DEG C of stirring at low speed are dissolved, it is warming up to 50～60 DEG C, by being that 100:11-100:3 adds the spent bleaching clay handled well of the 7th step with drag reduction polyolefin mass ratio, continue stirring at low speed, make drag reduction polyolefin and the abundant compound of spent bleaching clay, obtain oil base compound oil product drag reducer.
2. the method that product oil according to claim 1 decolouring spent bleaching clay prepares oil base compound oil product drag reducer, is characterized in that: described cationic surfactant adopts Dodecyl trimethyl ammonium chloride or cetyl trimethylammonium bromide.
3. the method that product oil according to claim 1 decolouring spent bleaching clay prepares oil base compound oil product drag reducer, is characterized in that: described zwitterionic surfactant adopts empgen BB or lauryl diethanolamide.
4. the method that product oil according to claim 1 decolouring spent bleaching clay prepares oil base compound oil product drag reducer, is characterized in that: described titanate esters is isopropyl three (dodecyl benzenesulfonyl) titanate esters.
5. the method that the product oil decolouring spent bleaching clay according to any one of claim 1-4 prepares oil base compound oil product drag reducer, is characterized in that the making step included in detailed below:
The first step, weighs the spent bleaching clay after 100 parts of decolourings, puts into and be ground 20-60min in ball mill, sieves then through 400 eye mesh screens, leaves and takes the spent bleaching clay powder leaking through screen cloth, stand-by；
Second step, is placed in baking oven by the spent bleaching clay powder that the first step obtains 80～100 DEG C of dry 24～48h, then is placed in Muffle furnace, passes into nitrogen, 400～600 DEG C of conditions, and roasting 1～4h cools down stand-by；
3rd step, weighs the spent bleaching clay that quantitative second step processes, and is that 1:5～1:10 adds deionized water according to mass ratio, controls temperature at 20～30 DEG C and 100～200r/min, stir 30～60min in beaker, stand-by；
4th step, according to spent bleaching clay mass ratio 1:1～1:2, titanate esters being slowly added in the beaker of the 3rd step, supersound process 30～60min at 20～30 DEG C；
5th step, according to being that 10:1～5:1 adds cationic surfactant in the solution of the 4th step, controlling temperature at 20～40 DEG C and 50～80r/min with spent bleaching clay mass ratio, stirring 30～60min mixing is complete；
6th step, according to being that 100:1～50:1 adds zwitterionic surfactant in the solution of the 5th step, controlling temperature at 30～40 DEG C and 50r/min with spent bleaching clay mass ratio, stirring 10～60min mixing is completely；
7th step, is positioned in vacuum drying oven by the solution of the 6th step 24～36h, puts in drying basin standby after taking-up；
8th step, 10 parts of drag reduction polyolefin are placed in 100 parts of diesel oil, 20～30 DEG C of stirring at low speed are dissolved 4～12 hours, it is warming up to 50～60 DEG C, by being that 100:11-100:3 adds the spent bleaching clay handled well of the 7th step with drag reduction polyolefin mass ratio, continue stirring at low speed 2 hours, make drag reduction polyolefin and the abundant compound of spent bleaching clay, obtain oil base compound oil product drag reducer.
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| CN106673477A (en) * | 2016-12-25 | 2017-05-17 | 常州创索新材料科技有限公司 | Preparation method of green concrete duct grouting material |
| CN111120871A (en) * | 2020-03-30 | 2020-05-08 | 中国石油大学胜利学院 | Method for preparing functional oil drag reducer by using waste 5A molecular sieve for olefin raw material dehydration |
| CN111420667A (en) * | 2020-02-24 | 2020-07-17 | 南京农业大学 | Method for synthesizing alkali catalyst by using waste argil as raw material and application of alkali catalyst in preparation of biodiesel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106673477A (en) * | 2016-12-25 | 2017-05-17 | 常州创索新材料科技有限公司 | Preparation method of green concrete duct grouting material |
| CN111420667A (en) * | 2020-02-24 | 2020-07-17 | 南京农业大学 | Method for synthesizing alkali catalyst by using waste argil as raw material and application of alkali catalyst in preparation of biodiesel |
| CN111420667B (en) * | 2020-02-24 | 2023-03-31 | 南京农业大学 | Method for synthesizing alkali catalyst by using waste argil as raw material and application of alkali catalyst in preparation of biodiesel |
| CN111120871A (en) * | 2020-03-30 | 2020-05-08 | 中国石油大学胜利学院 | Method for preparing functional oil drag reducer by using waste 5A molecular sieve for olefin raw material dehydration |
| CN111120871B (en) * | 2020-03-30 | 2020-06-19 | 中国石油大学胜利学院 | Method for preparing functional oil drag reducer by using waste 5A molecular sieve for olefin raw material dehydration |
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