CN104845673A - Scale inhibitor suitable for S Zorb gasoline desulfurizer as well as preparation method and application of scale inhibitor - Google Patents
Scale inhibitor suitable for S Zorb gasoline desulfurizer as well as preparation method and application of scale inhibitor Download PDFInfo
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Abstract
The invention relates to a scale inhibitor suitable for S Zorb gasoline desulfurizer as well as a preparation method and the application of the scale inhibitor. The scale inhibitor is composed of an anti-oxidation and polymerization inhibition agent, a metal passivator, a detergent dispersant, a film-forming agent and a solvent. The scale inhibitor has the anti-oxidation and polymerization inhibition capability; the scale inhibitor is applied before a raw material heat exchanger and is capable of effectively inhibiting coking of apparatuses such as a heat exchange system, a pipeline and a heat exchanger, guaranteeing safe and steady operation of the desulfurizer and prolonging the running cycle of the desulfurizer.
Description
Technical field
The present invention relates to and be a kind ofly applicable to Scale inhibitors of S Zorb gasoline sweetener and its preparation method and application.
Background technology
Gasoline absorbing desulfurization technology adopts the mode of absorption, gasoline is fully contacted with the sorbent material with special construction, the mercaptan in gasoline, disulphide, thioether and thiophene-type sulfide is adsorbed on sorbent material, thus reduces the sulphur content in gasoline.Because this technology has that facility investment is low, desulfurization degree is high, do not consume hydrogen and the advantage such as sorbent material price is lower, become one of emphasis problem of domestic and international each major oil companies research and development.
S Zorb technique is a kind of reactive adsorption sulfur removal technology of Cophi Co., Ltd of U.S. exploitation, fluidized-bed reactor and cyclic regeneration technology combine by it, and be successfully applied to the desulfurization of catalytically cracked gasoline and diesel oil, be the adsorption desulfurize technology that current industrial applications is wider.Compared with conventional hydrodesulfurization technology, advantages such as (< 10 μ g/g) that S-Zorb technology has that loss of octane number is little, anti-knock index loss little (≤0.5), hydrogen consumption is low, liquid yield is high (the yield > 99.2% of carbon more than five liquid ingredient), desulfurization degree is high and product sulphur content is low, the needs of production Europe IV and above normal benzene can be met completely, in clean gasoline production saliency technical superiority.
In existing S Zorb adsorpting desulfurization device, owing to containing the heavy constituents such as colloid in catalytic material gasoline, in heat exchange temperature-rise period, often have incrustation thing in the equipment such as interchanger and pipeline to generate, be deposited on the surface of equipment, the heat transfer coefficient of equipment is reduced, and Pressure Drop increases, and energy consumption increases.When fouling is serious, equipment is resulted in blockage, device is forced to stop work.For solving scale problems, best bet adopts Scale inhibitors, by adding the Scale inhibitors of minute quantity to production equipment, can prevent equipment and pipeline scaling, prolong operating period, reduces energy consumption.The method is simple and easy to do, and expense is low, is convenient to practical application.
But the Scale inhibitors main component in the existing S of being applied to Zorb adsorpting desulfurization device is tertiary sodium phosphate, wherein containing metal ion sodium, sorbent material inactivation can be caused.
Summary of the invention
For overcoming the defect of prior art, the invention provides a kind of Scale inhibitors being applicable to S Zorb gasoline sweetener, this Scale inhibitors is oil soluble liquid, and filling is convenient, do not affect other quality index of gasoline, and Scale inhibitors of the present invention does not affect on the sorbent material in S Zorb gasoline sweetener.
The present inventor is through constantly researching and analysing discovery to scaling cause, and Scale inhibitors should have antioxygen property, and the material with antioxygen property can provide an active atom to make it to generate stable compound to peroxy, thus chain reaction is stopped; Scale inhibitors also should have polymerization inhibiting capacity, prevents alkene, diene polymerization from generating macromolecule hydrocarbon; And because Scale inhibitors of the present invention is for S Zorb gasoline sweetener, therefore, also should has following characteristics: in Scale inhibitors, should not contain metal ion, to prevent from assembling in the reactor, affect performance and the product slates of catalyzer.
Based on above-mentioned analysis, we have developed a kind of multi-functional composite scale inhibitor with antioxygen, inhibition, film forming ability, this Scale inhibitors is applicable to S Zorb gasoline sweetener, can effectively prevent feed gasoline fouling of heat exchangers.
The present invention adopts following technical scheme to realize.
On the one hand, the invention provides a kind of Scale inhibitors being applicable to S Zorb gasoline sweetener, this Scale inhibitors comprises or composed of the following components: antioxygen, stopper, metal passivator, detergent dispersant, membrane-forming agent and solvent.
Preferably, in above-mentioned Scale inhibitors, described antioxygen, stopper are formed by phenol and alcohol condensation; More preferably, described antioxygen, stopper are that phenol and alcohol are carried out condensation reaction in the presence of a catalyst, after having reacted, through the product that underpressure distillation obtains.
Wherein, preferably, described phenol be selected from phenol and Resorcinol one or more, be preferably phenol;
Wherein, preferably, described alcohol is alkyl alcohol, is preferably C
7-22alkyl alcohol, be more preferably C
8-16alkyl alcohol, most preferably be sec-octyl alcohol;
Wherein, preferably, the mol ratio between described phenol and alcohol is 1: 2 ~ 2: 1, such as, can be 2: 1,2: 2,1: 2 or 1: 3, is preferably 1: 2.
Wherein, preferably, described catalyzer is sulfuric acid or Al
2o
3, be preferably Al
2o
3.
Wherein, preferably, the addition of described catalyzer is the 10-40% of reaction mass total mass, and the addition of preferred described catalyzer is 20% of reaction mass total mass.
Wherein, preferably, the pressure of underpressure distillation is 1.0 × 10
2-1.3 × 10
-1pa, is preferably 1.0 × 10
-1pa.
Wherein, preferably, the temperature of underpressure distillation is 100 DEG C-150 DEG C, is preferably 130 DEG C.
Wherein, preferably, the time of underpressure distillation is 1h-15h, is preferably 5h.
It should be noted that, although the invention provides the preparation method of antioxygen, stopper, other approach, the antioxygen that the approach such as such as business purchase obtain, stopper are all applicable to the present invention.
Preferably, in above-mentioned Scale inhibitors, described antioxygen, stopper are secondary octyl phenol.
Preferably, in above-mentioned Scale inhibitors, described metal passivator be selected from benzotriazole, 124 Triazole, aminotriazole one or more, be preferably aminotriazole.
Preferably, in above-mentioned Scale inhibitors, described detergent dispersant is polyisobutene diimine.
Preferably, in above-mentioned Scale inhibitors, described membrane-forming agent is morpholine or oil soluble tetrahydroglyoxaline, is preferably oil soluble tetrahydroglyoxaline.
Preferably, in above-mentioned Scale inhibitors, described solvent is selected from 120#, 200#, 230# solvent oil, is preferably 200
#solvent oil.
Preferably, in above-mentioned Scale inhibitors, in Scale inhibitors total mass, the mass percentage of described antioxygen, stopper is 10-40%, is preferably 25%.
Preferably, in above-mentioned Scale inhibitors, in Scale inhibitors total mass, the mass percentage of described metal passivator is 2-8%, is preferably 5%.
Preferably, in above-mentioned Scale inhibitors, in Scale inhibitors total mass, the mass percentage of described detergent dispersant is 10-30%, is preferably 15%.
Preferably, in above-mentioned Scale inhibitors, in Scale inhibitors total mass, the mass percentage of described membrane-forming agent is 3-10%, is preferably 4%.
Preferably, in above-mentioned Scale inhibitors, in Scale inhibitors total mass, the mass percentage of described solvent is 30-60%, is preferably 51%.
In a specific embodiment, the formula that the present invention is applicable to the Scale inhibitors of S Zorb gasoline sweetener is as follows, and wherein percentage composition is mass percentage:
Wherein, antioxygen, stopper are formed by phenol and sec-octyl alcohol condensation, and wherein phenol and sec-octyl alcohol mol ratio proportioning are 1: 2.This antioxygen, stopper are at catalyst A l
2o
3effect under, formed by phenol and sec-octyl alcohol condensation.Specifically, in reactor, sec-octyl alcohol, phenol, catalyst A l is added
2o
3, wherein the mol ratio of phenol and sec-octyl alcohol is 1: 2, catalyst A l
2o
3account for 20% of reaction mass total mass, stir and be warming up to temperature of reaction 150 DEG C, keep temperature of reaction, reaction 5h, underpressure distillation (pressure 1.0 × 10
-1pa), obtain the product of temperature 130 ± 5 DEG C of cuts, yield is 85%.
Reaction formula is as follows:
On the other hand, the invention provides the preparation method of above-mentioned Scale inhibitors, this preparation method comprises antioxygen, stopper, metal passivator, detergent dispersant, and membrane-forming agent and solvent carry out the step mixed in proportion; Preferably, clarifixator is used to mix.
Another aspect, the invention provides Scale inhibitors that above-mentioned Scale inhibitors or above-mentioned preparation method prepare for the application in S Zorb gasoline sweetener.
Preferably, in above-mentioned application, before described Scale inhibitors being applied in catalytic material gasoline interchanger, preferably mix mutually with catalytic material gasolene ingredient.
Preferably, in above-mentioned application, the interpolation quality of Scale inhibitors is the 60-100ppm of catalytic material gasoline, preferably, going into operation in 30 days, the interpolation quality of Scale inhibitors is the 80-100ppm of catalytic material gasoline, and the interpolation quality of Scale inhibitors is the 60-80ppm of catalytic material gasoline afterwards.
Again on the one hand, the invention provides the using method of the Scale inhibitors that above-mentioned Scale inhibitors or above-mentioned preparation method prepare, before the method comprises described Scale inhibitors is applied in catalytic material gasoline interchanger, preferably mix mutually with catalytic material gasolene ingredient.
Preferably, the interpolation quality of Scale inhibitors is the 60-100ppm of catalytic material gasoline, preferably, going into operation in one month, the interpolation quality of Scale inhibitors is the 80-100ppm of catalytic material gasoline, and the interpolation quality of Scale inhibitors is the 60-80ppm of catalytic material gasoline afterwards.
In the present invention, before Scale inhibitors injects catalytic material gasoline interchanger.
In the present invention, the amount of adding Scale inhibitors calculates initial filling rate according to the content of the colloid in catalytic material gasoline and diolefine, then according to catalytic material gasoline temperature difference of heat exchanger variation tendency line adjustment filling rate.
The Scale inhibitors of the S of being applicable to Zorb gasoline sweetener of the present invention has antioxygen property, and the material with antioxygen property can provide an active atom to make it to generate stable compound to peroxy, and chain reaction is stopped.
The Scale inhibitors of the S of being applicable to Zorb gasoline sweetener of the present invention has inhibition function, can prevent alkene, diene polymerization from generating macromolecule hydrocarbon.
The Scale inhibitors of the S of being applicable to Zorb gasoline sweetener of the present invention has metal passivation function, can react and generate stable complex compound, can not cause catalytic dehydrogenation condensation reaction and oxidative chain reactions with the metal ion in oil product.
The Scale inhibitors of the S of being applicable to Zorb gasoline sweetener of the present invention has metallic surface film forming function, can form layer protecting film on the metal surface, prevents metal to be corroded acceleration incrustation.
The Scale inhibitors of the S of being applicable to Zorb gasoline sweetener of the present invention has clean dispersing property, once there be a small amount of foulant to generate, them can be stoped to assemble, and deposits to limit particle increase.
Of the present invention being applicable to does not contain metal ion in the Scale inhibitors of S Zorb gasoline sweetener, to prevent from assembling in the reactor, affects performance and the product slates of catalyzer.
The special anti-scorch Scale inhibitors of S Zorb of the present invention's development, before being applied to catalytic material gasoline interchanger, effectively can prevent catalytic material gasoline incrustation in interchanger, when adding dosage 60ppm, scale inhibition performance reaches more than 92%, and the dosage that adds when recommending industrial application is 60-80ppm.Scale inhibitors started to add at the initial stage that device goes into operation, and in one month of the initial stage of going into operation, adding dosage is 80-100ppm, and later employing normally adds dosage.Scale inhibitors of the present invention is all made up of organic compound, and containing metal and ash, do not have no side effect to catalyzer, does not affect normal production and the quality product of device.
Scale inhibitors of the present invention decreases catalytic gasoline interchanger and takes the cleaning frequency apart before being applied to S Zorb gasoline sweetener raw material interchanger, improves S Zorb gasoline absorbing desulfurization device processing power.This Scale inhibitors possesses antioxygen, polymerization inhibiting capacity; This Scale inhibitors can effectively suppress the equipment cokings such as heat-exchange system, pipeline and interchanger before being applied to raw material interchanger, and assurance device safety and steady runs, prolong operating period.
Owing to containing colloid and alkene in catalytic material gasoline, in heat exchange temperature-rise period, colloid will be gathered in the tube bank of interchanger, the attachment of class coke can be condensed in some olefin intensification gasification on heat exchangers, thus heat transfer efficiency is reduced, affect the processing power of device.In catalytic material gasoline, add Scale inhibitors of the present invention can avoid the colloid in gasoline to assemble and alkene generation condensation reaction, effectively prevents heat exchanger tube fouling.
Accompanying drawing explanation
Fig. 1 is Scale inhibitors scale inhibition performance test set schematic diagram, and wherein 1 is head tank; 2 is raw material receiving tank; 3 is process furnace; 4 is fouling resistance testing tube; 5 is test tube outside wall temperature meter; 6 is temperature out meter; 7 is temperature in meter; 8 is raw oil pump;
Fig. 2 is the application schematic diagram of Scale inhibitors prepared by the present invention, and wherein 1 is Scale inhibitors tank, and 2 is injectant pump, and 3 is raw oil pump, and 4,5 is two groups of feed gasoline interchanger in parallel.
Embodiment
Illustrate technical scheme of the present invention by way of example below, but following examples do not limit the scope of the invention.
Experiment material in following examples, source as follows:
Aminotriazole, purchased from Jinzhou Kangtai Lube Additive Co., Ltd.;
T154 polyisobutene diimine, purchased from Jinzhou Kangtai Lube Additive Co., Ltd.;
Oil soluble tetrahydroglyoxaline, purchased from Guo Qi company limited of Wuhan City;
200# solvent oil, purchased from Tianjin Xin Kuan Chemical Co., Ltd..
Embodiment 1 antioxygen of the present invention, stopper---the preparation of secondary octyl phenol
Antioxygen of the present invention, stopper---secondary octyl phenol is formed by phenol and sec-octyl alcohol condensation, and the mol ratio wherein between phenol and sec-octyl alcohol is 1: 2.
This antioxygen, stopper are at catalyst A l
2o
3effect under, formed by phenol and sec-octyl alcohol condensation.Specifically, in reactor, sec-octyl alcohol, phenol, catalyst A l is added
2o
3, wherein the mol ratio of phenol and sec-octyl alcohol is 1: 2, catalyst A l
2o
3account for 20% of reaction mass total mass, stir and be warming up to temperature of reaction 150 DEG C, keep temperature of reaction, reaction 5h, by filtrate decompression distillation (pressure 1.0 × 10
-1pa), obtain the product of temperature 130 ± 5 DEG C of cuts, yield is 85%.
Reaction formula is as follows:
Embodiment 2 antioxygen of the present invention, stopper---the preparation of secondary octyl phenol
Antioxygen of the present invention, stopper---secondary octyl phenol is formed by phenol and sec-octyl alcohol condensation, and the mol ratio wherein between phenol and sec-octyl alcohol is 1: 1.
This antioxygen, stopper are at catalyst A l
2o
3effect under, formed by phenol and sec-octyl alcohol condensation.Specifically, in reactor, sec-octyl alcohol, phenol, catalyst A l is added
2o
3, wherein the mol ratio of phenol and sec-octyl alcohol is 1: 1, catalyst A l
2o
3account for 10% of reaction mass total mass, stir and be warming up to temperature of reaction 100 DEG C, keep temperature of reaction, reaction 1h, by filtrate decompression distillation (pressure 1.0 × 10
2pa), obtain the product of temperature 130 ± 5 DEG C of cuts, yield is 82%.
Reaction formula is as follows:
Embodiment 3 antioxygen of the present invention, stopper---the preparation of secondary octyl phenol
Antioxygen of the present invention, stopper---secondary octyl phenol is formed by phenol and sec-octyl alcohol condensation, and the mol ratio wherein between phenol and sec-octyl alcohol is 2: 1.
This antioxygen, stopper are at catalyst A l
2o
3effect under, formed by phenol and sec-octyl alcohol condensation.Specifically, in reactor, sec-octyl alcohol, phenol, catalyst A l is added
2o
3, wherein the mol ratio of phenol and sec-octyl alcohol is 2: 1, catalyst A l
2o
3account for 40% of reaction mass total mass, stir and be warming up to temperature of reaction 150 DEG C, keep temperature of reaction, reaction 15h, by filtrate decompression distillation (pressure 1.3 × 10
-1pa), obtain the product of temperature 130 ± 5 DEG C of cuts, yield is 80%.
Reaction formula is as follows:
Embodiment 4 Scale inhibitors being applicable to S Zorb gasoline sweetener of the present invention
The formula being applicable to the Scale inhibitors of S Zorb gasoline sweetener of the present invention is as follows, and wherein percentage composition is mass percentage:
Use clarifixator to mix each raw material according to above-mentioned formula rate, namely obtain the Scale inhibitors being applicable to S Zorb gasoline sweetener of the present invention.
Embodiment 5 Scale inhibitors being applicable to S Zorb gasoline sweetener of the present invention
The formula being applicable to the Scale inhibitors of S Zorb gasoline sweetener of the present invention is as follows, and wherein percentage composition is mass percentage:
Use clarifixator to mix each raw material according to above-mentioned formula rate, namely obtain the Scale inhibitors being applicable to S Zorb gasoline sweetener of the present invention.
Embodiment 6 Scale inhibitors being applicable to S Zorb gasoline sweetener of the present invention
The formula being applicable to the Scale inhibitors of S Zorb gasoline sweetener of the present invention is as follows, and wherein percentage composition is mass percentage:
Use clarifixator to mix each raw material according to above-mentioned formula rate, namely obtain the Scale inhibitors being applicable to S Zorb gasoline sweetener of the present invention.
Embodiment 7 Scale inhibitors being applicable to S Zorb gasoline sweetener of the present invention
The formula being applicable to the Scale inhibitors of S Zorb gasoline sweetener of the present invention is as follows, and wherein percentage composition is mass percentage:
Use clarifixator to mix each raw material according to above-mentioned formula rate, namely obtain the Scale inhibitors being applicable to S Zorb gasoline sweetener of the present invention.
Embodiment 8 performance evaluation being applicable to the Scale inhibitors of S Zorb gasoline sweetener of the present invention
One, device and instrument
Scale inhibitors scale inhibition performance test set and Scale inhibitors application schematic diagram are as depicted in figs. 1 and 2.
Two, test method and step
Heat transfer capacity method of masurement is adopted to measure fouling resistance.Raw material is sent into fouling resistance testing tube from storage tank by raw oil pump, and keeps flow V and the temperature t of testing tube ingress raw material
0constant.Heat testing tube with tubular type electric heater, power is 1kw.
By measuring and recording testing tube exit material temperature T and calculate the fouling resistance that process furnace to determine to the heat transfer capacity of raw material in testing tube.Before experiment, with whiteruss and raw material, the flow to volume pump corrects respectively, corrects testing tube outer wall detecting temperature thermopair, feed(raw material)inlet and outlet temperature thermocouple with potentiometer.Testing tube outside wall temperature maximum fluctuation scope is 200 ± 1 DEG C, and feedstock inlet temperature maximum fluctuation scope is 30 ± 1 DEG C.
Three, the heat transfer capacity assay method principle of fouling resistance
Heat flow density q when experiment starts
ofor:
Under being in clean conditions in testing tube when experiment starts, entire thermal resistance is:
Heat flow density q at any one time during t
tfor:
After t after a while, have fouling resistance to be formed in testing tube, entire thermal resistance is:
Generally, fouling is little on the impact of transmission of heat by convection thermal resistance, i.e. R1C=R1f,
R2c=R2f, and testing tube outer wall thermal resistance Rf2=0.(4)-(2):
Blank test (not adding Scale inhibitors) and when adding Scale inhibitors test, measures testing tube outside wall temperature Ts, feedstock inlet temperature to, on-test testing tube material outlet temperature T respectively
0, off-test, testing tube material outlet temperature T.Blank test (not adding Scale inhibitors) can be calculated by formula (1), (3), (5) and added fouling resistance R when Scale inhibitors is tested in testing tube
f0and R
f.
Four, the scale inhibition performance of Scale inhibitors:
If the fouling resistance of blank assay (when not adding agent) is Rf0, fouling resistance when adding Scale inhibitors experiment is Rf, then the scale inhibition performance F of Scale inhibitors is:
F＝(R
f0-R
f)/R
f0*100％ (6)
Five, test-results and discussion
1, test raw material
The raw material of test is catalytic gasoline, and its physicochemical property are in table 1:
Table 1 catalytic gasoline character
| Project | Catalytic gasoline |
| Density (20 DEG C), g/cm3 | 0.7210 |
| Refractive power (20 DEG C) | 1.4109 |
| Boiling range (D86), DEG C | 39～203 |
| Sulphur, μ g/g | 1000 |
| Mercaptan sulfur, μ g/g | 53 |
| Alkene, wt% | 40.59 |
| Aromatic hydrocarbons, wt% | 23.55 |
| Research octane number (RON), RON | 93.0 |
| Motor-method octane number, MON | 80.5 |
| Bromine valency, g/100g | 77.23 |
| Do not wash colloid, mg/100ml | 2.5 |
| Total chlorine, ppmw | ＜0.5 |
| Silicon, wppmw | ＜0.1 |
| Water-content, mg/L | 286 |
The distribution of catalytic material gasoline olefin is shown in Table 2.
Table 2 catalytic material gasoline olefin distribution (wt%)
| Project | μg/g |
| Normal olefine-1 | 3.54 |
| Normal olefine-2 | 25.65 |
| Normal olefine-3+ | 3.74 |
| Branched-chain alkene-1 | 23.76 |
| Branched-chain alkene-2 | 28.36 |
| Branched-chain alkene-3+ | 0.29 |
| Cyclic olefin | 12.68 |
| Diene/triolefin/alkynes | 1.97 |
| Unknown material | 0.00 |
| Total amount | 100 |
2, foulant compositional analysis
Carried out chemical analysis to foulant, it the results are shown in Table 3:
Table 3 foulant chemical analysis results
| Calcination loss | Ash content | Iron content in ash content | Toluene insolubles | Quinoline insolubles |
| m％ | m％ | m％ | m％ | m％ |
| 99.65 | 0.35 | 40.2 | 83.2 | 27.4 |
3, scale inhibitor performance evaluation
Under furnace temperature 220 DEG C, flow 240ml/h, feedstock inlet temperature 30 DEG C and test duration 5h condition, carry out blank test respectively, add Scale inhibitors test, when testing experiment starts, raw material is at furnace outlet place temperature T.With outlet temperature T during test 5h, and press formula (1), (3), (5), (6) calculating fouling resistance and scale inhibition performance, the results are shown in Table 4.
Table 4 evaluation of scale inhibitor result
As seen from Table 4, after adding Scale inhibitors of the present invention, dirty sample thermal resistance obviously reduces, and along with Scale inhibitors add-on increases, scale inhibition performance increases.After consumption is more than 60ppm, scale inhibition performance reaches more than 92%.
5, conclusion
Can find out, Scale inhibitors of the present invention can prevent catalytic material gasoline incrustation in interchanger effectively, and when adding dosage 60ppm, scale inhibition performance reaches more than 92%, and the dosage that adds when recommending industrial application is 60-80ppm.
Scale inhibitors should add at feedstock place, and the initial stage preferably gone into operation at device starts to add, and in one month of the initial stage of going into operation, adding dosage is 80-100ppm, and later employing normally adds dosage.
This Scale inhibitors is all made up of organic compound, and containing metal and ash, do not have no side effect to catalyzer, does not affect normal production and the quality product of device.
Embodiment 9 S Zorb of the present invention Scale inhibitors is tested the impact of gasoline
Adopt device feed gasoline 2000ml, dividing equally is four parts, and a is contrast sample, does not namely add Scale inhibitors, and other three parts of Scale inhibitorss adding 60ppm, 80ppm, 100ppm embodiment 4 respectively and prepare, do the full index analysis of gasoline.Result is as shown in the table:
Gasoline adds Scale inhibitors index analysis contrast table
Note: iron lead cannot be analyzed
Embodiment 10 S Zorb of the present invention Scale inhibitors is tested the impact of sorbent material
Get 100g reclaimable catalyst, put into retort furnace calcination, temperature controls 400 DEG C, and calcination sampled after 1 hour; Again get 100g reclaimable catalyst, put into charging catalytic gasoline (adding S Zorb Scale inhibitors 1000ppm), submergence catalyzer 24 hours, leaches gasoline with filter paper, puts into retort furnace calcination, and temperature controls 400 DEG C, and calcination sampled after 1 hour.By two increment product comparative analyses, compare from sorbent material composition and content.Test does three times altogether, and result is as following table:
Should be understood that, invention described herein is not limited to specific methodology, experimental program or reagent, because these can change.Discussion provided in this article and example are only present to describe specific embodiment and be not intended to limit the scope of the invention, and scope of the present invention is only subject to the restriction of claim.
Claims (10)
1. be applicable to a Scale inhibitors for S Zorb gasoline sweetener, this Scale inhibitors comprises or composed of the following components: antioxygen, stopper, metal passivator, detergent dispersant, membrane-forming agent and solvent.
2. Scale inhibitors according to claim 1, is characterized in that, described antioxygen, stopper are formed by phenol and alcohol condensation;
Preferably, described antioxygen, stopper are that phenol and alcohol are carried out condensation reaction in the presence of a catalyst, after having reacted, through the product that underpressure distillation obtains.
3. Scale inhibitors according to claim 2, is characterized in that, described phenol be selected from phenol and Resorcinol one or more, be preferably phenol;
Preferably, described alcohol is alkyl alcohol, is preferably C
7-22alkyl alcohol, be more preferably C
8-16alkyl alcohol, most preferably be sec-octyl alcohol;
Preferably, the mol ratio between described phenol and alcohol is 1: 2 ~ 2: 1, is preferably 1: 2;
Preferably, described catalyzer is sulfuric acid or Al
2o
3, be preferably Al
2o
3;
Preferably, the addition of described catalyzer is the 10-40% of reaction mass total mass, and the addition of preferred described catalyzer is 20% of reaction mass total mass;
Preferably, the pressure of underpressure distillation is 1.0 × 10
2-1.3 × 10
-1pa, is preferably 1.0 × 10
-1pa;
Preferably, the temperature of underpressure distillation is 100 DEG C-150 DEG C, is preferably 130 DEG C;
Preferably, the time of underpressure distillation is 1h-15h, is preferably 5h.
4. Scale inhibitors according to any one of claim 1 to 3, is characterized in that, described antioxygen, stopper are secondary octyl phenol;
Preferably, described metal passivator be selected from benzotriazole, 124 Triazole, aminotriazole one or more, be preferably aminotriazole;
Preferably, described detergent dispersant is polyisobutene diimine;
Preferably, described membrane-forming agent is morpholine or oil soluble tetrahydroglyoxaline, is preferably oil soluble tetrahydroglyoxaline;
Preferably, described solvent is selected from 120#, 200#, 230# solvent oil, is preferably 200# solvent oil.
5. Scale inhibitors according to any one of claim 1 to 4, is characterized in that, in Scale inhibitors total mass, the mass percentage of described antioxygen, stopper is 10-40%, is preferably 25%;
Preferably, in Scale inhibitors total mass, the mass percentage of described metal passivator is 2-8%, is preferably 5%;
Preferably, in Scale inhibitors total mass, the mass percentage of described detergent dispersant is 10-30%, is preferably 15%;
Preferably, in Scale inhibitors total mass, the mass percentage of described membrane-forming agent is 3-10%, is preferably 4%;
Preferably, in Scale inhibitors total mass, the mass percentage of described solvent is 30-60%, is preferably 51%.
6. Scale inhibitors according to any one of claim 1 to 5, is characterized in that, the formula of described Scale inhibitors is as follows, and wherein percentage composition is mass percentage:
7. a preparation method for the Scale inhibitors according to any one of claim 1 to 6, this preparation method comprises antioxygen, stopper, metal passivator, detergent dispersant, and membrane-forming agent and solvent carry out the step mixed in proportion; Preferably, clarifixator is used to mix.
8. the Scale inhibitors according to any one of claim 1 to 6 is used for the application in S Zorb gasoline sweetener;
Preferably, before described Scale inhibitors being applied in catalytic material gasoline interchanger, preferably mix mutually with catalytic material gasolene ingredient;
More preferably, the interpolation quality of Scale inhibitors is the 60-100ppm of catalytic material gasoline, and preferably, going into operation in 30 days, the interpolation quality of Scale inhibitors is the 80-100ppm of catalytic material gasoline, and the interpolation quality of Scale inhibitors is the 60-80ppm of catalytic material gasoline afterwards.
9. the using method of the Scale inhibitors according to any one of claim 1 to 6, before the method comprises described Scale inhibitors is applied in catalytic material gasoline interchanger, preferably mixes with catalytic material gasolene ingredient mutually.
10. the using method of Scale inhibitors according to claim 9, it is characterized in that, the interpolation quality of Scale inhibitors is the 60-100ppm of catalytic material gasoline, preferably, going into operation in one month, the interpolation quality of Scale inhibitors is the 80-100ppm of catalytic material gasoline, and the interpolation quality of Scale inhibitors is the 60-80ppm of catalytic material gasoline afterwards.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105482851A (en) * | 2016-01-25 | 2016-04-13 | 深圳市广昌达石油添加剂有限公司 | Scale inhibitor for oil refining technology process and preparation method thereof |
| WO2017127988A1 (en) * | 2016-01-25 | 2017-08-03 | 深圳市广昌达石油添加剂有限公司 | Scale inhibitor for oil refining technology process and preparation method therefor |
| CN107033960A (en) * | 2017-05-27 | 2017-08-11 | 安徽卓远化工科技有限公司 | A kind of refinery's heat exchanger antisludging agent and preparation method thereof |
| CN107177379A (en) * | 2017-07-10 | 2017-09-19 | 金浦新材料股份有限公司 | One kind hydrogenation antisludging agent and preparation method thereof |
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| CN108342221A (en) * | 2018-04-17 | 2018-07-31 | 金浦新材料股份有限公司 | A kind of antisludging agent and its preparation method and application for S-Zorb devices |
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| CN114686264A (en) * | 2022-04-27 | 2022-07-01 | 洋浦中溢化工有限公司 | Scale inhibitor suitable for S Zorb gasoline desulfurization device and preparation method and application thereof |
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| CN105482851A (en) * | 2016-01-25 | 2016-04-13 | 深圳市广昌达石油添加剂有限公司 | Scale inhibitor for oil refining technology process and preparation method thereof |
| WO2017127988A1 (en) * | 2016-01-25 | 2017-08-03 | 深圳市广昌达石油添加剂有限公司 | Scale inhibitor for oil refining technology process and preparation method therefor |
| CN105482851B (en) * | 2016-01-25 | 2017-11-07 | 深圳市广昌达石油添加剂有限公司 | It is a kind of for antisludging agent of refining process and preparation method thereof |
| CN107033960A (en) * | 2017-05-27 | 2017-08-11 | 安徽卓远化工科技有限公司 | A kind of refinery's heat exchanger antisludging agent and preparation method thereof |
| CN107033960B (en) * | 2017-05-27 | 2019-03-01 | 安徽卓远化工科技有限公司 | A kind of refinery's heat exchanger antisludging agent and preparation method thereof |
| CN107177379A (en) * | 2017-07-10 | 2017-09-19 | 金浦新材料股份有限公司 | One kind hydrogenation antisludging agent and preparation method thereof |
| CN107177379B (en) * | 2017-07-10 | 2020-05-19 | 金浦新材料股份有限公司 | Hydrogenation scale inhibitor and preparation method thereof |
| CN107674705A (en) * | 2017-10-13 | 2018-02-09 | 蒋旭辉 | One kind hydrogenation bed pressure drop inhibitor |
| CN108342221A (en) * | 2018-04-17 | 2018-07-31 | 金浦新材料股份有限公司 | A kind of antisludging agent and its preparation method and application for S-Zorb devices |
| CN110452786A (en) * | 2019-08-07 | 2019-11-15 | 南京汇达化工有限公司 | Add hydrogen antiscale agent prescription and its production method |
| CN114686264A (en) * | 2022-04-27 | 2022-07-01 | 洋浦中溢化工有限公司 | Scale inhibitor suitable for S Zorb gasoline desulfurization device and preparation method and application thereof |
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