CN105080474B - A kind of preparation method and application of the adsorbent for fire-resistance oil regeneration treatment - Google Patents
A kind of preparation method and application of the adsorbent for fire-resistance oil regeneration treatment Download PDFInfo
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- resistance oil
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- 239000003463 adsorbent Substances 0.000 title claims abstract description 47
- 230000008929 regeneration Effects 0.000 title claims abstract description 38
- 238000011069 regeneration method Methods 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title abstract description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 30
- 238000001035 drying Methods 0.000 claims abstract description 17
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 16
- 239000011230 binding agent Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 14
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 10
- 239000007787 solid Substances 0.000 claims abstract description 10
- 230000032683 aging Effects 0.000 claims abstract description 9
- 238000001354 calcination Methods 0.000 claims abstract description 6
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 229910001868 water Inorganic materials 0.000 claims description 30
- 239000002253 acid Substances 0.000 claims description 16
- 238000000465 moulding Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 239000012467 final product Substances 0.000 claims description 7
- 239000005995 Aluminium silicate Substances 0.000 claims description 6
- 235000012211 aluminium silicate Nutrition 0.000 claims description 6
- 239000002270 dispersing agent Substances 0.000 claims description 6
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 6
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical group [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims description 6
- 229940048086 sodium pyrophosphate Drugs 0.000 claims description 6
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims description 6
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 239000004927 clay Substances 0.000 claims description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 3
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 238000001694 spray drying Methods 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims description 2
- 239000012265 solid product Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001179 sorption measurement Methods 0.000 abstract description 6
- 150000001875 compounds Chemical class 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 2
- 239000002250 absorbent Substances 0.000 abstract 1
- 230000002745 absorbent Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 55
- 239000000243 solution Substances 0.000 description 41
- 230000009970 fire resistant effect Effects 0.000 description 23
- JLDSOYXADOWAKB-UHFFFAOYSA-N aluminium nitrate Chemical compound [Al+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O JLDSOYXADOWAKB-UHFFFAOYSA-N 0.000 description 8
- 210000002966 serum Anatomy 0.000 description 8
- 238000009413 insulation Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 150000003384 small molecules Chemical class 0.000 description 5
- 206010013786 Dry skin Diseases 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 3
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 3
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 3
- 239000005642 Oleic acid Substances 0.000 description 3
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 3
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000002841 Lewis acid Substances 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- UGACIEPFGXRWCH-UHFFFAOYSA-N [Si].[Ti] Chemical compound [Si].[Ti] UGACIEPFGXRWCH-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 159000000013 aluminium salts Chemical class 0.000 description 1
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a kind of preparation method and application of the adsorbent for fire-resistance oil regeneration treatment, the preparation method of adsorbent is that magnesium nitrate, aluminum nitrate, NaOH and sodium carbonate are reacted by solution form, product is prepared by mixing into variously-shaped solid absorbent by obtaining powder thing, gained powder thing and solid binder etc. after drying, calcining；This adsorbent has stronger adsorption activity to polar micromolecules compound and selective adsorption capacity is good, the oil ageing product in the unqualified fire-resistance oil for the treatment of can be applied to, enormously simplify handling process, quite convenient for carrying out absorption regeneration treatment work to operational outfit at power plant scene, it is expected so as to possess potential economic benefit.
Description
Technical field
The present invention relates to a kind of preparation method and application of the adsorbent for fire-resistance oil regeneration treatment, belong to phosphorus
Acid esters fire resistant oil processing technology field.
Background technology
Fire resistant oil is made up of phosphate, has excellent flame resistance compared with mineral oil, while have volatility low, it is wear-resistant
Property it is good, oxidation stability is good, it is physical stabilization the characteristics of.At present, fire-resistance oil is being widely used in the electro-hydraulic control in power plant
System processed.
The fire resistant oil that power plant is used mainly triaryl phosphate, in the process of running, unavoidably by temperature, water
Point, the influence of factor such as oxygen and cause oil ageing.Fire-resistant oil degradation, hydrolysis easily cause oily acid number, volume resistance etc.
A series of quality index are unqualified, cause servo valve bite, the problems such as servomotor is blocked, have a strong impact on power plant safety and stability fortune
OK.
At present, two methods of replacing and absorption mainly process unqualified fire resistant oil.Change oil product not only uneconomical, and
Environment can be impacted.Adsorption treatment is a kind of convenience, economically and efficiently method, is applied to power plant more and more
Fire-resistant oil regeneration.Conventional adsorbent mainly has in silica gel, diatomite, resin and Chinese patent CN 201210376055.3
Titanium silicon adsorbent.Silica gel and diatomite are smaller due to adsorption capacity, have been difficult to meet power plant production needs.Basic resin by
Water can be produced when the acid in fire resistant oil is swapped, oil quality can be influenceed and caused phosphate fire-resistant oil.Titanium silicon adsorbent
Confrontation treatment of fuels has preferable effect, but this is as Lewis acid, it is difficult to remove the partially acidic thing of fire-resistant oil decomposition generation
Matter.
The content of the invention
For the defect that existing power plant fire-resistance oil regenerative agent is present, it is offer one that the purpose of the present invention is
Kind have that adsorption activity is strong, selective absorption effect is good to polar micromolecules compound, the indexs such as acid number, volume resistance can be made not
The preparation method of the adsorbent of qualified fire-resistance oil regeneration.
It is to provide the adsorbent in the underproof phosphorus of the indexs such as acid number, volume resistance that another object of the present invention is
Application in acid esters fire-resistant oil regeneration, described adsorbent can effectively recover the indices of underproof fire-resistance oil,
And application process is simple, processing cost is low.
In order to realize technical purpose of the invention, the invention provides a kind of suction for fire-resistance oil regeneration treatment
Attached dose of preparation method, comprises the following steps：
(1) magnesium nitrate and aluminum nitrate are dissolved in water and obtain solution A；Wherein, the mass ratio of magnesium nitrate, aluminum nitrate and water is 1
~3:1:3~5；
(2) NaOH and sodium carbonate are dissolved in water and obtain solution B；Wherein, the mass ratio of NaOH, sodium carbonate and water
It is 1~2:1:30~50；
(3) under agitation, by solution A and solution B in mass ratio 1:After 3~5 are slowly mixed together, in 50~98 DEG C of temperature
Under it is aging, filtering；After filtering gained solid product is washed to neutrality, dry, then be placed in 300~800 DEG C of temperature lower calcinations, obtain final product
Powder thing；
(4) powder thing and solid binder, liquid-containing binder, dispersant and water are mixed into slurry, drying and moulding,
Obtain final product.
Magnesium salts, aluminium salt are combined into height with NaOH and sodium carbonate by solution reaction first in technical scheme
Temperature calcining is prepared into a kind of compound adsorbent powder, can be mixed and made into variously-shaped and rule with solid binder etc. on this basis
The adsorbent of lattice, this adsorbent by small molecule polar substances to mainly causing the underproof phosphorus of the indexs such as acid number and volume resistance
There is small molecule polar substances in acid esters fire resistant oil selective absorption to act on, and can be used for unqualified fire-resistance oil again
It is raw.
The preparation method of the adsorbent for fire-resistance oil regeneration treatment of the invention also includes following preferred scheme：
In preferred scheme, ageing time is 12~48h.It is more beneficial within the preferred reaction time between each raw material
Fully reaction and the growth of crystal.
In preferred scheme, calcination time is 6~24h.
In preferred scheme, under 500~800r/min stir speed (S.S.)s, described solution A and solution B are slowly added simultaneously
Enter in reaction vessel, and control solution A and solution B in 3~5 hours while adding.Solution A and solution B are preferably simultaneously
Add, two kinds of solution are added while chemically reacted, and are conducive to both fully to react complete.
In preferred scheme, the drying in step (2) is dried process 12~48 hours at a temperature of 50~98 DEG C.
In preferred scheme, powder thing and solid binder, liquid-containing binder, dispersant and water in mass ratio 1:0.01~
0.1:0.01~0.03:0.01~0.02:5~10 are mixed into slurry.
In preferred scheme, solid binder is at least one in kaolin, montmorillonite, clay.
In preferred scheme, liquid-containing binder is waterglass and/or Ludox.
In preferred scheme, dispersant is sodium pyrophosphate.
In preferred scheme, described drying and moulding is spray drying forming, extrusion drying and moulding or balling-up drying and moulding.
The method for preparing the adsorbent for fire-resistance oil regeneration treatment of the invention, including step in detail below：
(1) successively by weight 1~3:1:3~5 take Mg (NO3)2·6H2O、Al(NO3)3·9H2O and water are configured to solution
A；
By weight 1~2:1:30~50 take NaOH, Na2CO3Solution B is configured to water；The mass ratio of solution A and solution B
It is 1:3~5；
(2) solution A and solution B are slowly added in bottle C, it is 3~5 hours to add the time, and solution C is kept in adition process
During being stirred continuously, 500~800r/min of mixing speed, solution A and solution B should be added simultaneously；
(3) then solution A and the mixed solution C of solution B are filtered, water aging 12~48 hours at 50~98 DEG C
PH value is washed till for 7, then 50~98 DEG C of dryings 12~48 hours, then calcined 6~24 hours at 300~800 DEG C；
(4) successively by weight 1:0.01~0.1:0.01~0.03:0.01~0.02:5~10 take step (3) gained powder
Body fire resistant oil reproducing adsorbent, solid binder kaolin or montmorillonite or clay, liquid-containing binder waterglass or Ludox, point
Powder sodium pyrophosphate, water mix to obtain mixed serum；
(5) spray drying forming treatment or the treatment of extrusion drying and moulding or balling-up are implemented to step (4) gained mixed serum
Drying and moulding treatment, obtains final product the adsorbent finished product of product fire-resistance oil regeneration treatment of the invention.
Present invention also offers the application of the described adsorbent for fire-resistance oil regeneration treatment, by described suction
Attached dose is applied to including the underproof fire-resistance oil regeneration treatment of index including acid number and/or volume resistance.
The described adsorbent for fire-resistance oil regeneration treatment is added to including acid in preferred application process
Value and/or volume resistance are processed in the interior underproof fire-resistance oil of index at a temperature of 50~100 DEG C, are obtained
Reach the fire-resistance oil of Eligibility requirements again to indices.
The application of adsorbent is added on demand according to the actual conditions of unqualified fire-resistance oil in preferred application process.
Adsorbent is generally 1~48 hour to the process time of unqualified fire-resistance oil in preferred application process.
It is unqualified with the index such as acid number, volume resistance by the adsorbent of step (5) gained fire-resistance oil regeneration treatment
Fire-resistance oil insert and be fully contacted in 50~100 DEG C of environment, can remove the small molecule polar substances contained in fire resistant oil,
Recover the performance of fire resistant oil, indices is reached qualified level again, time of contact is 1-48 hours.
Compared with the prior art, the Advantageous Effects that technical scheme is brought：It is right that adsorbent of the invention has
Small molecule polar compound adsorption activity is strong, selective absorption performance is good, can effectively remove fire-resistance oil and run
The small molecule polar substances of generation are deteriorated in journey, oil is returned to qualified level.Adsorbent of the invention is processing unqualified
Relatively existing regenerative agent can simplify handling process during fire-resistance oil, quite convenient for live to fortune in power plant
Row equipment carries out absorption regeneration treatment work.These advantages that adsorbent of the invention has so that it is actually being promoted the use of
In be provided with wider array of range of application, be expected so as to possess potential economic and environment-friendly benefit.
Specific embodiment
Following examples are intended to further illustrate present invention, rather than the protection model of limitation the claims in the present invention
Enclose.
Embodiment 1：
(1) Mg (NO are taken3)2·6H2O 0.1kg、Al(NO3)3·9H2O 0.1kg, water 0.3kg are configured to solution A, NaOH
0.05kg、Na2CO30.05kg, water 1.5kg are configured to solution B, and solution A and solution B are slowly added into a bottle C with 3 hours, add
Speed is kept stirring in journey for 500r/min, solution C is obtained；
(2) then solution C is filtered aging 24 hours at 60 DEG C, is washed to pH value for 7, then 80 DEG C of dryings 48 hours,
Then calcine 24 hours at 600 DEG C；
(3) adsorbent 0.1kg, kaolin 0.02kg, the water of step (2) gained powder fire-resistance oil regeneration treatment are taken
Glass 0.02kg, sodium pyrophosphate 0.01kg, water 1kg mix to obtain mixed serum；
(4) suction that extruded moulding treatment obtains final product fire-resistance oil regeneration treatment is implemented to step (3) gained mixed serum
Attached dose of finished product.
The fire-resistance oil regeneration treatment adsorbent of preparation is processed certain fire resistant oil in laboratory, fire-resistant oleic acid
Value 0.2mgKOH/g, specific insulation 3 × 109Ω cm, add 3% adsorbent in fire resistant oil, are stirred 3 hours at 60 DEG C
Afterwards, filter paper filtering, detection and analysis acid number is 0.05mgKOH/g, specific insulation 6 × 1010Ω·cm。
Embodiment 2：
(1) Mg (NO are taken3)2·6H2O 0.2kg、Al(NO3)3·9H2O 0.1kg, water 0.3kg are configured to solution A, NaOH
0.1kg、Na2CO30.05kg, water 1.5kg are configured to solution B, and solution A and solution B are slowly added into a bottle C with 3 hours, add
Speed is kept stirring in journey for 500r/min, solution C is obtained；
(2) then solution C is filtered aging 24 hours at 60 DEG C, is washed to pH value for 7, then 80 DEG C of dryings 48 hours,
Then calcine 24 hours at 200 DEG C；
(3) adsorbent 0.1kg, kaolin 0.02kg, the water of step (2) gained powder fire-resistance oil regeneration treatment are taken
Glass 0.02kg, sodium pyrophosphate 0.01kg, water 1kg mix to obtain mixed serum；
(4) suction that extruded moulding treatment obtains final product fire-resistance oil regeneration treatment is implemented to step (3) gained mixed serum
Attached dose of finished product.
The fire-resistance oil regeneration treatment adsorbent of preparation is processed certain fire resistant oil in laboratory, fire-resistant oleic acid
Value 0.2mgKOH/g, specific insulation 3 × 109Ω cm, add 3% adsorbent in fire resistant oil, are stirred 3 hours at 60 DEG C
Afterwards, filter paper filtering, detection and analysis acid number is 0.18mgKOH/g, specific insulation 5 × 109Ω·cm。
Embodiment 3：
(1) Mg (NO are taken3)2·6H2O 0.1kg、Al(NO3)3·9H2O 0.5kg, water 0.3kg are configured to solution A, NaOH
0.05kg、Na2CO30.05kg, water 0.8kg are configured to solution B, and solution A and solution B are slowly added into a bottle C with 3 hours, add
Speed is kept stirring in journey for 500r/min, solution C is obtained；
(2) then solution C is filtered aging 24 hours at 60 DEG C, is washed to pH value for 7, then 80 DEG C of dryings 48 hours,
Then calcine 24 hours at 800 DEG C；
(3) adsorbent 0.1kg, kaolin 0.02kg, the water of step (2) gained powder fire-resistance oil regeneration treatment are taken
Glass 0.02kg, sodium pyrophosphate 0.01kg, water 1kg mix to obtain mixed serum；
(5) suction that extruded moulding treatment obtains final product fire-resistance oil regeneration treatment is implemented to step (3) gained mixed serum
Attached dose of finished product.
The fire-resistance oil regeneration treatment adsorbent of preparation is processed certain fire resistant oil in laboratory, fire-resistant oleic acid
Value 0.2mgKOH/g, specific insulation 3 × 109Ω cm, add 3% adsorbent in fire resistant oil, are stirred 3 hours at 60 DEG C
Afterwards, filter paper filtering, detection and analysis acid number is 0.13mgKOH/g, specific insulation 9 × 109Ω·cm。
Claims (9)
1. the application of a kind of adsorbent for fire-resistance oil regeneration treatment, it is characterised in that be applied to include acid number with/
Or volume resistance is in the interior underproof fire-resistance oil regeneration treatment of index；
The described adsorbent for fire-resistance oil regeneration treatment is prepared by the following method and obtains：Comprise the following steps：
(1) magnesium nitrate and aluminum nitrate are dissolved in water and obtain solution A；Wherein, the mass ratio of magnesium nitrate, aluminum nitrate and water is 1~3:
1:3~5；
(2) NaOH and sodium carbonate are dissolved in water and obtain solution B；Wherein, the mass ratio of NaOH, sodium carbonate and water is 1
~2:1:30~50；
(3) under agitation, by solution A and solution B in mass ratio 1:It is old at a temperature of 50~98 DEG C after 3~5 are slowly mixed together
Change, filtering；After filtering gained solid product is washed to neutrality, dry, then be placed in 300~800 DEG C of temperature lower calcinations, obtain final product powder
Thing；
(4) powder thing and solid binder, liquid-containing binder, dispersant and water are mixed into slurry, drying and moulding, i.e.,
.
2. the application of the adsorbent for fire-resistance oil regeneration treatment according to claim 1, it is characterised in that will
The described adsorbent for fire-resistance oil regeneration treatment is added to including the index including acid number and/or volume resistance not
In qualified fire-resistance oil, processed at a temperature of 50~100 DEG C, obtain indices and reach Eligibility requirements again
Fire-resistance oil.
3. the application of the adsorbent for fire-resistance oil regeneration treatment according to claim 1, it is characterised in that institute
The ageing time stated is 12~48h.
4. the application of the adsorbent for fire-resistance oil regeneration treatment according to claim 1, it is characterised in that institute
The calcination time stated is 6~24h.
5. the application of the adsorbent for fire-resistance oil regeneration treatment according to claim 1, it is characterised in that
Under 500~800r/min stir speed (S.S.)s, described solution A and solution B are slowly added into reaction vessel simultaneously, and controlled molten
Liquid A and solution B were added simultaneously in 3~5 hours.
6. the application of the adsorbent for fire-resistance oil regeneration treatment according to claim 1, it is characterised in that
(3) drying in is dried process 12~48 hours at a temperature of 50~98 DEG C.
7. the application of the adsorbent for fire-resistance oil regeneration treatment according to claim 1, it is characterised in that institute
State powder thing and solid binder, liquid-containing binder, dispersant and water in mass ratio 1:0.01~0.1:0.01~0.03:0.01
~0.02:5~10 are mixed into slurry.
8. the application of the adsorbent for fire-resistance oil regeneration treatment according to claim 7, it is characterised in that institute
The solid binder stated is at least one in kaolin, montmorillonite, clay；Described liquid-containing binder be waterglass and/or
Ludox；Described dispersant is sodium pyrophosphate.
9. the application of the adsorbent for fire-resistance oil regeneration treatment according to claim 1, it is characterised in that institute
The drying and moulding stated is spray drying forming, extrusion drying and moulding or balling-up drying and moulding.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510498450.2A CN105080474B (en) | 2015-08-13 | 2015-08-13 | A kind of preparation method and application of the adsorbent for fire-resistance oil regeneration treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510498450.2A CN105080474B (en) | 2015-08-13 | 2015-08-13 | A kind of preparation method and application of the adsorbent for fire-resistance oil regeneration treatment |
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| Publication Number | Publication Date |
|---|---|
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| CN105080474B true CN105080474B (en) | 2017-06-13 |
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