CN115305118A - Coke inhibiting and yield increasing agent and preparation method thereof - Google Patents
Coke inhibiting and yield increasing agent and preparation method thereof Download PDFInfo
- Publication number
- CN115305118A CN115305118A CN202110502549.0A CN202110502549A CN115305118A CN 115305118 A CN115305118 A CN 115305118A CN 202110502549 A CN202110502549 A CN 202110502549A CN 115305118 A CN115305118 A CN 115305118A
- Authority
- CN
- China
- Prior art keywords
- polyoxyethylene ether
- increasing agent
- parts
- yield increasing
- inhibiting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000571 coke Substances 0.000 title claims abstract description 80
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 78
- 230000002401 inhibitory effect Effects 0.000 title claims abstract description 78
- 230000001965 increasing effect Effects 0.000 title claims abstract description 71
- 238000002360 preparation method Methods 0.000 title abstract description 14
- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract description 90
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract description 90
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 51
- 239000010452 phosphate Substances 0.000 claims abstract description 51
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 47
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims abstract description 24
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 23
- -1 polyoxyethylene Polymers 0.000 claims abstract description 22
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims description 36
- 238000002156 mixing Methods 0.000 claims description 31
- RZXLPPRPEOUENN-UHFFFAOYSA-N Chlorfenson Chemical compound C1=CC(Cl)=CC=C1OS(=O)(=O)C1=CC=C(Cl)C=C1 RZXLPPRPEOUENN-UHFFFAOYSA-N 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 15
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 150000008055 alkyl aryl sulfonates Chemical class 0.000 claims description 9
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 4
- 229930195729 fatty acid Natural products 0.000 claims description 4
- 239000000194 fatty acid Substances 0.000 claims description 4
- 150000003871 sulfonates Chemical class 0.000 claims description 4
- 238000013019 agitation Methods 0.000 claims 2
- 125000005313 fatty acid group Chemical group 0.000 claims 1
- 239000004094 surface-active agent Substances 0.000 abstract description 36
- 239000006185 dispersion Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 10
- 230000001976 improved effect Effects 0.000 abstract description 10
- 239000003513 alkali Substances 0.000 abstract description 5
- 125000003118 aryl group Chemical group 0.000 abstract description 5
- 150000001875 compounds Chemical class 0.000 abstract description 5
- 239000002253 acid Substances 0.000 abstract description 4
- 230000035699 permeability Effects 0.000 abstract description 4
- 150000003839 salts Chemical class 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract description 4
- 238000009736 wetting Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 53
- 230000002195 synergetic effect Effects 0.000 description 17
- 238000004939 coking Methods 0.000 description 16
- 150000003254 radicals Chemical class 0.000 description 15
- 239000002994 raw material Substances 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 13
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 12
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 11
- 229910052708 sodium Inorganic materials 0.000 description 11
- 239000011734 sodium Substances 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 9
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 8
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 8
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 8
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 8
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 8
- 238000009833 condensation Methods 0.000 description 7
- 230000005494 condensation Effects 0.000 description 7
- 230000003111 delayed effect Effects 0.000 description 7
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 7
- 229920002521 macromolecule Polymers 0.000 description 7
- 238000006116 polymerization reaction Methods 0.000 description 6
- 239000000084 colloidal system Substances 0.000 description 5
- 238000006482 condensation reaction Methods 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000006356 dehydrogenation reaction Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 230000005764 inhibitory process Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 238000006068 polycondensation reaction Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000004227 thermal cracking Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 3
- 125000002877 alkyl aryl group Chemical group 0.000 description 3
- 239000003945 anionic surfactant Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 150000004665 fatty acids Chemical group 0.000 description 3
- 150000002191 fatty alcohols Chemical class 0.000 description 3
- 230000000977 initiatory effect Effects 0.000 description 3
- 239000002736 nonionic surfactant Substances 0.000 description 3
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 3
- 238000007348 radical reaction Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- REZQBEBOWJAQKS-UHFFFAOYSA-N triacontan-1-ol Chemical group CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCO REZQBEBOWJAQKS-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- MEEKGULDSDXFCN-UHFFFAOYSA-N 2-pentylphenol Chemical group CCCCCC1=CC=CC=C1O MEEKGULDSDXFCN-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 229960000541 cetyl alcohol Drugs 0.000 description 1
- 238000005235 decoking Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- SFNALCNOMXIBKG-UHFFFAOYSA-N ethylene glycol monododecyl ether Chemical compound CCCCCCCCCCCCOCCO SFNALCNOMXIBKG-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- QKIAYRRGJHLRAQ-UHFFFAOYSA-N hexadecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 QKIAYRRGJHLRAQ-UHFFFAOYSA-N 0.000 description 1
- GELUAPFKLDGNFV-UHFFFAOYSA-N hexyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCOS(=O)(=O)C1=CC=CC=C1 GELUAPFKLDGNFV-UHFFFAOYSA-N 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000006078 metal deactivator Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- HFQQZARZPUDIFP-UHFFFAOYSA-M sodium;2-dodecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O HFQQZARZPUDIFP-UHFFFAOYSA-M 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 238000003797 solvolysis reaction Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G75/00—Inhibiting corrosion or fouling in apparatus for treatment or conversion of hydrocarbon oils, in general
- C10G75/04—Inhibiting corrosion or fouling in apparatus for treatment or conversion of hydrocarbon oils, in general by addition of antifouling agents
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G9/00—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention provides a coke inhibiting and yield increasing agent and a preparation method thereof. The coke inhibiting and yield increasing agent comprises, by weight, 35-65 parts of polyoxyethylene ether phosphate, 15-25 parts of alkylphenol polyoxyethylene, 10-20 parts of sulfonate, 5-10 parts of phenol and 15-35 parts of aromatic concentrated oil. The polyoxyethylene ether bond in the polyoxyethylene ether phosphate has the characteristics of good stability to acid, alkali and salt, high temperature resistance and capability of being used in a large temperature range. The polyoxyethylene ether phosphate enables the finally formed compound surfactant to have stronger wetting property, adsorptivity, permeability, dispersibility, emulsibility, compatibilization and washing effects, so that the dissolving capacity of the integral dispersion system in the residual oil is improved, and the yield of the light oil is further improved.
Description
Technical Field
The invention relates to the technical field of oil refining yield increasing agents, in particular to a coke inhibiting yield increasing agent and a preparation method thereof.
Background
The delayed coking device is an important means for deep processing of heavy oil products such as various residual oils and the like in an oil refinery, and the coking device needs to do the following two operations to improve the overall economic benefit of the device: firstly, the full-load long-period operation of the device is ensured; and secondly, obtaining higher liquid yield and lower coke yield through process optimization. Therefore, optimizing the operation of the device, adding the necessary coke inhibiting and yield increasing agent to improve the distillate yield of the device, reducing the coke yield and prolonging the operation period of the device are all the targets pursued by the operation of the delayed coking device.
Heavy oil such as residual oil is composed of complex structural units formed by supermolecular structural cores and solvent layers, wherein the supermolecular structural cores can adsorb or dissolve part of hydrocarbons with smaller molecules and lower equal homogenization degree. The coke inhibiting and yield increasing agent can reduce the thickness of the supermolecular structural core and the solvolysis layer, so that the adsorbed low molecular hydrocarbons are released for thermal cracking reaction, and the yield of the light oil is further improved.
In addition, the polycyclic aromatic hydrocarbon in the raw material and generated by cracking can generate free radical dehydrogenation condensation reaction, and heteroatom compounds such as oxygen, sulfur, nitrogen and the like in the raw material can initiate free radical polymerization reaction, and the two reactions can form macromolecular compounds, and further the macromolecular compounds are dehydrogenated and condensed to form colloid and asphaltene, and finally condensed to coke. The coke inhibiting and yield increasing agent can provide active hydrogen atoms to prevent the free radical polycondensation reaction, so that the formation of macromolecular compounds is inhibited, and the generation of coke is further inhibited.
Therefore, the coke inhibiting and yield increasing agent can improve the yield of distillate oil, and mainly changes the characteristic parameters of a heavy component dispersion system, improves the dissolving capacity of a dispersion medium and achieves the aim of increasing the liquid yield. Meanwhile, the coke inhibiting and yield increasing agent can provide active hydrogen atoms to prevent free radical condensation reaction and polymerization reaction, thereby inhibiting the generation of macromolecular compounds and even coke. The action principle of the coke inhibiting and yield increasing agent is primarily summarized into three mechanisms of a free radical chain reaction mechanism, a dispersion solubilization mechanism and a polymerization inhibition and coke inhibition mechanism.
The Chinese patent application with the patent application number of 201210285586.1 discloses a coking-proof light oil yield increasing agent for a delayed coking device of an oil refinery, which is a coking-proof light oil yield increasing agent suitable for the delayed coking device and is compounded by using a high-temperature-resistant antioxidant, a high-temperature-resistant detergent, a high-temperature-resistant dispersant, a high-temperature-resistant metal deactivator and fatty amine polyoxyethylene ether, wherein the scale inhibition effect of the coking-proof light oil yield increasing agent reaches more than 85%, and the total light oil yield is increased by more than 1.5 wt%. However, the formula of the coke inhibiting and yield increasing agent is relatively complex.
Chinese patent No. CN102977921B discloses a preparation method of a delayed coking coke-resistant yield-increasing agent, which is a coke-resistant yield-increasing agent prepared by compounding alkylbenzene sulfonic acid, organic amine, alkylamide and solvent and having high temperature resistance, oxidation resistance, scaling resistance, corrosion resistance and excellent dispersion performance. However, the reaction temperature of the preparation method is higher, and the relative process is more complicated.
The Chinese patent application with the patent application number of 201810024076.6 discloses a liquid yield increasing agent for delayed coking in an oil refining process, which is a liquid yield increasing agent prepared by compounding a dispersion decoking agent, a free radical quenching agent, an asphaltene dissociation agent, an asphaltene cracking agent, a hydrogen supply agent, a scale and coke inhibition agent, an emulsifying agent, a metal passivating agent, a corrosion inhibitor and a diluting agent. However, the formula of the coke inhibiting and yield increasing agent is relatively complex.
The coke inhibiting and yield increasing agent has the advantages of inhibiting the generation of coke in oil residues and improving the yield of light oil. But has the problems of complex preparation process of the coke inhibiting and yield increasing agent, high energy consumption caused by high temperature in the preparation process and complex formula.
Disclosure of Invention
The invention mainly aims to provide a coke inhibiting and yield increasing agent and a preparation method thereof, and aims to solve the problem that the coke inhibiting and yield increasing agent in the prior art is complex in formula.
In order to achieve the above object, according to one aspect of the present invention, there is provided a scorch retarder, which comprises, by weight, 35 to 65 parts of polyoxyethylene ether phosphate, 15 to 25 parts of alkylphenol polyoxyethylene, 10 to 20 parts of sulfonate, 5 to 10 parts of phenol, and 15 to 35 parts of aromatic concentrated oil.
Further, the polyoxyethylene ether phosphate is fatty acid polyoxyethylene ether phosphate, C 12 ～C 16 One or two of the fatty alcohol-polyoxyethylene ether phosphate ester.
Further, the alkylphenol polyoxyethylene is C 5 ～C 30 The linear alkyl phenol polyoxyethylene ether.
Further, the above sulfonate is C 12 ～C 20 And mixtures of alkylaryl sulfonates and polyoxyethylene ether sulfonates of (I).
Further, the above C 12 ～C 20 The weight ratio of the alkyl aryl sulfonate to the polyoxyethylene ether sulfonate is 2.
Further, the aromatic hydrocarbon concentrated oil is one or a mixture of two of reduced-three-line extract oil and reduced-four-line extract oil.
According to another aspect of the present invention, there is provided a method for preparing the above-mentioned coke inhibiting and yield increasing agent, which comprises: step S1, stirring and mixing polyoxyethylene ether phosphate and aromatic hydrocarbon concentrated oil for the first time to obtain a first mixed system; and S2, stirring and mixing the first mixed system, alkylphenol polyoxyethylene, sulfonate and phenol for the second time to obtain the coke inhibiting and yield increasing agent.
Furthermore, the time for the first stirring and mixing and the second stirring and mixing is respectively and independently 1-2.5 h.
Further, the temperature of the first stirring and mixing and the second stirring and mixing are 50 to 70 ℃ respectively.
Further, the stirring speed of the first stirring and mixing and the second stirring is 500-1500 r/min respectively and independently.
By applying the technical scheme of the invention, polyoxyethylene ether phosphate is used as an activation main body, and the polyoxyethylene ether bond has the characteristics of good stability to acid, alkali and salt, high temperature resistance and capability of being used in a large temperature range. The polyoxyethylene ether phosphate is a common surfactant, has the characteristics of anions and non-ions, has good intersolubility and compatibility with other surfactants, and can be well compatible with alkylphenol polyoxyethylene ether non-ionic surfactants and sulfonate anionic surfactants, so that the polyoxyethylene ether phosphate is synergistic with other surfactants to achieve the synergistic effect of the surfactants, and the finally formed compound surfactant has stronger wettability, adsorptivity, permeability, dispersibility, emulsibility, compatibilization and washing effects, so that the dissolving capacity of the whole dispersion system in the residual oil is improved, low-molecular hydrocarbons adsorbed by supramolecular structure cores in the residual oil raw materials are released for thermal cracking reaction, and the yield of the light oil is improved.
Meanwhile, the activated main polyoxyethylene ether phosphate and the alkylphenol polyoxyethylene ether are surfactants with active hydrogen atoms; phenol can prevent the influence of oxygen and other harmful substances, help to capture and neutralize free radicals, and the high-temperature chain initiation terminator can ensure that aromatic hydrocarbon and olefin are not easy to polymerize into coke at high temperature, so that the free radical reaction is terminated, namely the polycondensation reaction is relatively terminated. The two functions are beneficial to reducing the free radical condensation reaction and polymerization reaction in the residual oil raw material, thereby inhibiting the generation of macromolecular compounds, further inhibiting the formation of colloid and asphaltene by dehydrogenation condensation, and reducing the probability of final condensation to coke.
The above coke inhibiting and yield increasing agent has excellent coking inhibiting effect, wherein polyoxyethylene ether phosphate, alkylphenol polyoxyethylene, sulfonate and phenol are mainly surfactants, so that the formula is simple, the raw material source is wide, the components have good synergistic effect, the use of the surfactants is reduced, and the preparation cost of the coke inhibiting and yield increasing agent is further reduced.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail with reference to examples.
As analyzed by the background technology, the problem of complex formula of the coke inhibiting and yield increasing agent exists in the prior art, and in order to solve the problem, the invention provides the coke inhibiting and yield increasing agent and the preparation method thereof.
In one exemplary embodiment of the present application, a scorch retarder is provided, which comprises 35 to 65 parts by weight of polyoxyethylene ether phosphate, 15 to 25 parts by weight of alkylphenol polyoxyethylene, 10 to 20 parts by weight of sulfonate, 5 to 10 parts by weight of phenol and 15 to 35 parts by weight of aromatic concentrated oil.
The application adopts polyoxyethylene ether phosphate as an activation main body, wherein the polyoxyethylene ether bond has the characteristics of good stability to acid, alkali and salt, high temperature resistance and capability of being used in a wide temperature range. The polyoxyethylene ether phosphate is a common surfactant, has anionic and nonionic characteristics, has good intersolubility and compatibility with other surfactants, and can be well compatible with alkylphenol polyoxyethylene ether nonionic surfactants and sulfonate anionic surfactants, so that the surfactant is cooperated with the surfactant to achieve the synergistic effect of the surfactant, the finally formed compound surfactant has stronger wettability, adsorbability, permeability, dispersibility, emulsibility, compatibilization and washing effects, the dissolving capacity of the integral dispersion system in the residual oil is further improved, low-molecular hydrocarbons adsorbed by supramolecular structure cores in the residual oil raw materials are released for thermal cracking reaction, and the yield of the light oil is improved.
Meanwhile, the activated main polyoxyethylene ether phosphate and the alkylphenol polyoxyethylene ether are surfactants with active hydrogen atoms; phenol can prevent the influence of oxygen and other harmful substances, help to capture and neutralize free radicals, and the high-temperature chain initiation terminator can ensure that aromatic hydrocarbon and olefin are not easy to polymerize into coke at high temperature, so that the free radical reaction is terminated, namely the polycondensation reaction is relatively terminated. The two functions are beneficial to reducing the free radical condensation reaction and polymerization reaction in the residual oil raw material, thereby inhibiting the generation of macromolecular compounds, further inhibiting the formation of colloid and asphaltene by dehydrogenation condensation, and reducing the probability of final condensation to coke.
The above coke inhibiting and yield increasing agent has excellent coking inhibiting effect, wherein polyoxyethylene ether phosphate, alkylphenol polyoxyethylene, sulfonate and phenol are mainly surfactants, so that the formula is simple, the raw material source is wide, the components have good synergistic effect, the use of the surfactants is reduced, and the preparation cost of the coke inhibiting and yield increasing agent is further reduced.
In one embodiment of the present application, in order to further improve the performance of the polyoxyethylene ether phosphate as the main activating component, such as providing more active hydrogen atoms to inhibit the polymerization and condensation of free radicals in the residual oil raw material, and to improve the synergistic effect of the polyoxyethylene ether phosphate and other auxiliaries (alkylphenol ethoxylates, sulfonates and phenols), such as increasing the adsorption amount of the surfactant at the oil-water interface as a whole, thereby exerting the synergistic effect of the surfactant, it is preferable that the polyoxyethylene ether phosphate is fatty acid polyoxyethylene ether phosphate, C 12 ～C 16 One or two of the fatty alcohol polyoxyethylene ether phosphate. In order to further exert the excellent performance of the fatty alcohol-polyoxyethylene ether phosphate, C is preferred 12 ～C 30 The fatty alcohol polyoxyethylene ether phosphate.
In an embodiment of the present application, the alkylphenol ethoxylate is C 5 ～C 30 The linear alkyl phenol polyoxyethylene ether is used for further enhancing the active hydrogen atom amount of the coke inhibiting and yield increasing agent and enhancing the synergistic effect of the alkyl phenol polyoxyethylene ether and other surfactants.
In order to further improve the high temperature resistance and alkali resistance of the sulfonate, effectively reduce the effect of the particles as active centers of coking reaction and reduce the tendency of colloid and asphaltene to condense into coke, the sulfonate is preferably C 12 ～C 20 And mixtures of alkylaryl sulfonates and polyoxyethylene ether sulfonates of (I).
To further improve the synergy of the sulfonate with other surfactants, e.g. to increase built surfactant precipitationThe compactness of the boundary film is achieved, so as to exert the synergistic effect, and the C is preferably selected 12 ～C 20 The weight ratio of the alkyl aryl sulfonate to the polyoxyethylene ether sulfonate is 2. The sulfonate has high surface activity, easily obtained raw materials, simple production process, low cost and good compatibility. Wherein, C 12 ～C 20 The weight ratio of the alkylaryl sulfonate to the polyoxyethylene ether sulfonate is 2-6, which is more favorable for the synergy of the alkylaryl and the polyoxyethylene ether of the alkylaryl sulfonate and the polyoxyethylene ether sulfonate, so that the alkylaryl and the polyoxyethylene ether sulfonate have more excellent hydrophily and lipophilicity, and further, the alkylaryl and the polyoxyethylene ether sulfonate are synergistic with other components in the coke inhibiting and harvesting agent, and the coking inhibiting effect of the obtained coke inhibiting and harvesting agent is further improved.
In an embodiment of the present application, the aromatic hydrocarbon concentrated oil is one or a mixture of two of a reduced three-line extracted oil and a reduced four-line extracted oil. The surfactant can improve the solubility and dispersion of the surfactant in the solvent, thereby promoting the synergistic effect of the surfactant, better mixing and penetrating with the residual oil, and further inhibiting the coking of the raw materials in the residual oil.
In another exemplary embodiment of the present application, there is provided a method for preparing a coke inhibiting and yield increasing agent, the method comprising: step S1, stirring and mixing polyoxyethylene ether phosphate and aromatic hydrocarbon concentrated oil for the first time to obtain a first mixed system; and S2, stirring and mixing the first mixed system, alkylphenol polyoxyethylene, sulfonate and phenol for the second time to obtain the coke inhibiting and yield increasing agent.
The preparation method of the coke inhibiting and yield increasing agent comprises the steps of mixing and stirring the polyoxyethylene ether phosphate and the aromatic condensed oil, so that the polyoxyethylene ether phosphate is favorably and fully dispersed in the aromatic condensed oil, and when the alkylphenol polyoxyethylene, the sulfonate and the phenol are stirred and mixed with the alkylphenol polyoxyethylene, the sulfonate and the phenol, the polyoxyethylene ether phosphate, the alkylphenol polyoxyethylene, the sulfonate and the phenol are favorably and fully mixed, permeated and dispersed, the adsorption quantity of the surfactant at an oil-water interface and the compactness of a compound surfactant precipitated interface film are increased, the synergistic effect among the components is exerted, and the finally obtained coke inhibiting and yield increasing agent has a good coking inhibiting effect on raw materials in residual oil.
In order to increase the contact between the components in the formula of the coke inhibiting and yield increasing agent and improve the synergistic effect of the coke inhibiting and yield increasing agent, the time for mixing by stirring for the first time and the time for mixing by stirring for the second time are preferably 1 to 2.5 hours independently.
In one embodiment of the present application, the temperature of the first stirring and mixing and the second stirring and mixing are 50-70 ℃ respectively, so as to improve the synergistic effect between the components in the formula of the coke inhibiting and yield increasing agent.
Stirring is a common operation for mixing different substances, and in order to improve the dispersion effect among the components in the formula of the coke inhibiting and yield increasing agent, the stirring speeds of the first stirring and mixing and the second stirring are preferably 500-1500 r/min respectively and independently.
The advantageous effects of the present application will be described below with reference to specific examples and comparative examples.
Example 1
Mixing 35 parts by weight of laureth phosphate (APO-3P, wuhan Fuxin Yunqi Co., ltd.) in 30 parts by weight of reduced line extract oil for 2 hours at the stirring speed of 1000r/min and the mixing temperature of 60 ℃ to obtain a first mixed system; and mixing and stirring the first mixed system, 25 parts of nonylphenol polyoxyethylene ether (emulsifier TX series, jiangsu Jiafeng chemical Co., ltd.), 20 parts of a mixture of sodium dodecyl benzene sulfonate and sodium polyoxyethylene ether sulfonate (Jinjiali chemical Co., ltd.) and 10 parts of phenol for 2 hours at the stirring speed of 1000r/min at the mixing temperature of 60 ℃, wherein the weight ratio of the alkylaryl sulfonate to the polyoxyethylene ether sulfonate is 1.
Example 2
Example 2 differs from example 1 in that in example 2, 65 parts of lauryl alcohol ether phosphate, 25 parts of reduced triplet extract oil, 15 parts of nonylphenol polyoxyethylene ether, 10 parts of a mixture of sodium dodecylbenzenesulfonate and sodium polyoxyethylene ether sulfonate, and 5 parts of phenol are taken to obtain a coke inhibiting and yield increasing agent B.
Example 3
Example 3 differs from example 1 in that 65 parts of lauryl alcohol ether phosphate, 15 parts of reduced-trilinear extraction oil, 20 parts of nonylphenol polyoxyethylene ether, 12 parts of a mixture of sodium dodecylbenzenesulfonate and sodium polyoxyethylene ether sulfonate, and 8 parts of phenol were taken in example 2 to obtain a coke inhibiting and yield increasing agent C.
Example 4
Example 4 differs from example 1 in that 45 parts of lauryl alcohol ether phosphate, 35 parts of reduced-trilinear extraction oil, 15 parts of nonylphenol polyoxyethylene ether, 15 parts of a mixture of sodium dodecylbenzenesulfonate and sodium polyoxyethylene ether sulfonate, and 10 parts of phenol were taken in example 2 to obtain a coke inhibiting and yield increasing agent D.
Example 5
The difference between the embodiment 5 and the embodiment 1 is that the weight ratio of the sodium dodecyl phenyl sulfonate to the sodium polyoxyethylene ether sulfonate in the embodiment 5 is 2.
Example 6
The difference between the embodiment 6 and the embodiment 1 is that the weight ratio of the sodium dodecyl benzene sulfonate to the sodium polyoxyethylene ether sulfonate in the embodiment 6 is 1.
Example 7
The difference between the embodiment 7 and the embodiment 1 is that the weight ratio of the sodium dodecyl benzene sulfonate and the sodium polyoxyethylene ether sulfonate in the embodiment 7 is 1, and the coke inhibiting and yield increasing agent G are obtained.
Example 8
Example 8 differs from example 1 in that the polyoxyethylene ether phosphate in example 8 is n-dodecyl alcohol polyoxyethylene ether phosphate (Biotech, inc., shu, zhejiang), the first and second stirring speeds are 500r/min, and the first and second mixing temperatures are 50 deg.C, to obtain a coke-inhibiting yield-increasing agent H.
Example 9
Example 9 differs from example 1 in that the polyoxyethylene ether phosphate in example 9 is a mixture of fatty acid polyoxyethylene ether phosphate of cetyl alcohol (Hubei Xin Mingtai chemical Co., ltd.) and fatty alcohol polyoxyethylene ether phosphate, the rotation speed of the first stirring and the second stirring is 1500r/min, the mixing temperature of the first stirring and the second stirring is 70 ℃, and the scorch inhibiting and yield increasing agent I is obtained.
Example 10
Example 10 and example 1 difference is, in example 10, the first stirring and second stirring speed is 400r/min, the first and second mixing temperature is 40 ℃, get coke inhibitor J.
Example 11
Example 11 differs from example 1 in that in example 11, the alkylphenol ethoxylate is n-pentylphenol ethoxylate, and the sulfonate is a mixture of sodium hexadecyl phenyl sulfonate and sodium polyoxyethylene ether sulfonate, to obtain a scorch inhibiting and yield increasing agent K.
Example 12
Example 12 differs from example 1 in that in example 12, the alkylphenol ethoxylate is n-triacontanol ethoxylate, and the sulfonate is a mixture of sodium n-hexylphenylsulfonate and sodium polyoxyethylene ether sulfonate, to obtain the coke inhibiting and yield increasing agent L.
Comparative example 1
The difference between the comparative example 1 and the embodiment is that in the comparative example 1, 20 parts of lauryl alcohol ether phosphate, 40 parts of reduced three-line extract oil, 30 parts of nonylphenol polyoxyethylene ether, 20 parts of a mixture of sodium dodecyl benzene sulfonate and sodium polyoxyethylene ether sulfonate and 10 parts of phenol are taken to obtain the coke inhibiting and yield increasing agent M.
Comparative example 2
The difference between the comparative example 2 and the example 1 is that 60 parts of lauryl alcohol ether phosphate, 30 parts of reduced three-line extraction oil, 25 parts of nonylphenol polyoxyethylene ether and 5 parts of phenol are taken in the comparative example 2 to obtain the coke inhibiting and yield increasing agent N.
Comparative example 3
Comparative example 3 is different from example 1 in that 65 parts of lauryl alcohol ether phosphate, 35 parts of reduced three-line extraction oil and 20 parts of nonylphenol polyoxyethylene ether are taken in comparative example 3 to obtain the coke inhibiting and yield increasing agent O.
Comparative example 4
The difference between the comparative example 4 and the example 1 is that 30 parts of the reduced three-wire extract oil, 50 parts of nonylphenol polyoxyethylene ether, 30 parts of a mixture of sodium dodecyl benzene sulfonate and sodium polyoxyethylene ether sulfonate and 10 parts of phenol are taken in the comparative example 4 to obtain the coke inhibiting and yield increasing agent P.
Respectively taking the coke inhibiting and yield increasing agents M to P, weighing the coke inhibiting and yield increasing agents according to the addition ratio of the coke inhibiting and yield increasing agents to the residual oil of 100 mu g/g, adding the coke inhibiting and yield increasing agents into a delayed coking experimental device, verifying through experimental data that the reaction temperature of a coking experiment is 500 ℃ and the reaction time is 2 hours, and listing the experimental results in Table 1 (wherein the blank experiment is not added with any coke inhibiting and yield increasing agents).
TABLE 1
| Coke inhibiting and yield increasing agent | Light oil yield/%) | Wax oil yield/% | Coke yield/% |
| Blank test | 42.77 | 12.98 | 25.19 |
| A | 53.46 | 17.34 | 20.64 |
| B | 53.51 | 17.39 | 20.58 |
| C | 53.49 | 17.37 | 20.60 |
| D | 53.48 | 17.36 | 20.61 |
| E | 53.50 | 17.38 | 20.60 |
| F | 53.49 | 17.36 | 20.62 |
| G | 52.80 | 17.09 | 20.84 |
| H | 53.41 | 17.32 | 20.88 |
| I | 53.49 | 17.37 | 20.60 |
| J | 52.91 | 17.18 | 20.98 |
| K | 53.44 | 17.35 | 20.63 |
| L | 53.45 | 17.32 | 20.65 |
| M | 45.71 | 13.96 | 23.19 |
| N | 42.73 | 13.95 | 25.15 |
| O | 43.74 | 12.93 | 26.18 |
| P | 42.75 | 12.97 | 25.16 |
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the application adopts polyoxyethylene ether phosphate as an activation main body, wherein the polyoxyethylene ether bond has the characteristics of good stability to acid, alkali and salt, high temperature resistance and capability of being used in a wide temperature range. The polyoxyethylene ether phosphate is a common surfactant, has the characteristics of anions and non-ions, has good intersolubility and compatibility with other surfactants, and can be well compatible with alkylphenol polyoxyethylene ether non-ionic surfactants and sulfonate anionic surfactants, so that the polyoxyethylene ether phosphate is synergistic with other surfactants to achieve the synergistic effect of the surfactants, and the finally formed compound surfactant has stronger wettability, adsorptivity, permeability, dispersibility, emulsibility, compatibilization and washing effects, so that the dissolving capacity of the whole dispersion system in the residual oil is improved, low-molecular hydrocarbons adsorbed by supramolecular structure cores in the residual oil raw materials are released for thermal cracking reaction, and the yield of the light oil is improved.
Meanwhile, the activated main polyoxyethylene ether phosphate and the alkylphenol polyoxyethylene ether are surfactants with active hydrogen atoms; phenol can prevent the influence of oxygen and other harmful substances, help to capture and neutralize free radicals, and the high-temperature chain initiation terminator can ensure that aromatic hydrocarbon and olefin are not easy to polymerize into coke at high temperature, so that the free radical reaction is terminated, namely the polycondensation reaction is relatively terminated. The two functions are beneficial to reducing the free radical condensation reaction and polymerization reaction in the residual oil raw material, thereby inhibiting the generation of macromolecular compounds, further inhibiting the formation of colloid and asphaltene by dehydrogenation condensation, and reducing the probability of final condensation to coke.
The above coke inhibiting and yield increasing agent has excellent coking inhibiting effect, wherein polyoxyethylene ether phosphate, alkylphenol polyoxyethylene, sulfonate and phenol are mainly surfactants, so that the formula is simple, the raw material source is wide, the components have good synergistic effect, the use of the surfactants is reduced, and the preparation cost of the coke inhibiting and yield increasing agent is further reduced.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The coke inhibiting and yield increasing agent is characterized by comprising, by weight, 35-65 parts of polyoxyethylene ether phosphate, 15-25 parts of alkylphenol polyoxyethylene, 10-20 parts of sulfonate, 5-10 parts of phenol and 15-35 parts of aromatic hydrocarbon concentrated oil.
2. The scorch inhibiting and yield increasing agent according to claim 1, wherein the polyoxyethylene ether phosphate ester is fatty acid polyoxyethylene ether phosphate ester, C 12 ～C 16 One or two of the fatty alcohol-polyoxyethylene ether phosphate ester.
3. The coke inhibiting and yield increasing agent of claim 1, wherein the alkylphenol ethoxylate is C 5 ～C 30 The linear alkyl phenol polyoxyethylene ether.
4. The coke inhibiting and yield increasing agent of claim 1, wherein the sulfonate is C 12 ～C 20 And mixtures of alkylaryl sulfonates and polyoxyethylene ether sulfonates of (I).
5. The coke inhibiting and yield increasing agent according to claim 4, wherein C is 12 ～C 20 The weight ratio of the alkyl aryl sulfonate to the polyoxyethylene ether sulfonate is 2.
6. The coke inhibiting and yield increasing agent according to claim 1, wherein the aromatic hydrocarbon concentrated oil is one or a mixture of two of reduced-three-line extracted oil and reduced-four-line extracted oil.
7. A method for preparing the coke inhibiting and yield increasing agent as defined in any one of claims 1 to 6, wherein the method comprises:
step S1, stirring and mixing polyoxyethylene ether phosphate and aromatic hydrocarbon concentrated oil for the first time to obtain a first mixed system;
and S2, stirring and mixing the first mixed system, alkylphenol polyoxyethylene, sulfonate and phenol for the second time to obtain the coke inhibiting and yield increasing agent.
8. The method according to claim 7, wherein the time for the first mixing and the second mixing is independently 1 to 2.5 hours.
9. The method according to claim 7, wherein the temperature of the first agitation and mixing and the temperature of the second agitation and mixing are each independently 50 to 70 ℃.
10. The method according to claim 7, wherein the stirring speed of the first stirring and mixing and the stirring speed of the second stirring are each independently 500 to 1500r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110502549.0A CN115305118B (en) | 2021-05-08 | 2021-05-08 | Coke inhibiting and income increasing agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110502549.0A CN115305118B (en) | 2021-05-08 | 2021-05-08 | Coke inhibiting and income increasing agent and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115305118A true CN115305118A (en) | 2022-11-08 |
| CN115305118B CN115305118B (en) | 2024-03-01 |
Family
ID=83853465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110502549.0A Active CN115305118B (en) | 2021-05-08 | 2021-05-08 | Coke inhibiting and income increasing agent and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115305118B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5128023A (en) * | 1991-03-27 | 1992-07-07 | Betz Laboratories, Inc. | Method for inhibiting coke formation and deposiiton during pyrolytic hydrocarbon processing |
| CN1583960A (en) * | 2004-06-09 | 2005-02-23 | 沈阳工业大学 | Activating additive for delayed coking and cracking heavy oil and preparing method thereof |
| CN101113367A (en) * | 2007-07-19 | 2008-01-30 | 茂名学院 | Adding substance for reducing furnace tube deposition coking and improving liquid yield of delayed coker |
| CN102585881A (en) * | 2012-03-12 | 2012-07-18 | 宜兴汉光高新石化有限公司 | Additive for promoting residual oil thermal cracking reaction and preparing method and application thereof |
| CN105505439A (en) * | 2014-09-26 | 2016-04-20 | 中国石油化工股份有限公司 | Catalytic cracking method for raising liquid yield |
| CN108165295A (en) * | 2018-01-10 | 2018-06-15 | 广昌达新材料技术服务（深圳）股份有限公司 | A kind of liquid for oil refining process delayed coking increases income agent |
-
2021
- 2021-05-08 CN CN202110502549.0A patent/CN115305118B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5128023A (en) * | 1991-03-27 | 1992-07-07 | Betz Laboratories, Inc. | Method for inhibiting coke formation and deposiiton during pyrolytic hydrocarbon processing |
| CN1583960A (en) * | 2004-06-09 | 2005-02-23 | 沈阳工业大学 | Activating additive for delayed coking and cracking heavy oil and preparing method thereof |
| CN101113367A (en) * | 2007-07-19 | 2008-01-30 | 茂名学院 | Adding substance for reducing furnace tube deposition coking and improving liquid yield of delayed coker |
| CN102585881A (en) * | 2012-03-12 | 2012-07-18 | 宜兴汉光高新石化有限公司 | Additive for promoting residual oil thermal cracking reaction and preparing method and application thereof |
| CN105505439A (en) * | 2014-09-26 | 2016-04-20 | 中国石油化工股份有限公司 | Catalytic cracking method for raising liquid yield |
| CN108165295A (en) * | 2018-01-10 | 2018-06-15 | 广昌达新材料技术服务（深圳）股份有限公司 | A kind of liquid for oil refining process delayed coking increases income agent |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115305118B (en) | 2024-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103351888B (en) | Oil slurry scale inhibitor | |
| JP5075634B2 (en) | Unleaded aminated aviation gasoline that suppresses toluene insoluble deposits. | |
| US6248142B1 (en) | Fuel composition containing lubricity additive | |
| CN1954053A (en) | Fouling inhibition of thermal treatment of heavy oils | |
| WO2005103092A1 (en) | METHOD FOR PRODUCING α-OLEFIN POLYMER | |
| US2411105A (en) | Process for treating hydrocarbons | |
| CN108165295B (en) | Liquid yield increasing agent for delayed coking in oil refining process | |
| CN115305118A (en) | Coke inhibiting and yield increasing agent and preparation method thereof | |
| CN103275753A (en) | Multifunctional crude oil tank farm treating agent | |
| CN107109308A (en) | It is used as the washing oil of anti-fouling agent in gas compressor | |
| CN103666563B (en) | Antiscale composition and application thereof | |
| CN107973757A (en) | Double Benzotriazole Derivatives and preparation method thereof, transformer insulation oil complexing agent and transformer insulation oil | |
| US2375036A (en) | Extractive distillation | |
| CN110699116A (en) | Coal tar coking inhibitor and preparation method and application thereof | |
| US2110837A (en) | Process for breaking petroleum emulsions | |
| US2054276A (en) | Process and product for the stabilizing of unsaturated hydrocarbons | |
| US20030130534A1 (en) | Demulsifying compound and a method of breaking or inhibiting emulsions | |
| US7022639B2 (en) | Catalytic activity accelerant used in petroleum hydrogenation | |
| CN105505439B (en) | A kind of catalyst cracking method improving liquid yield | |
| EP2768791B1 (en) | Circulation aid for primary fractional quench loops | |
| CN108368197A (en) | The manufacturing method of butene polymers | |
| CN112625750A (en) | Nano rare earth composite polymerization inhibitor, preparation method and application thereof | |
| CN115216331A (en) | Polyalkylated branched phenolic resin type oil slurry settling agent, preparation method and use method | |
| CN111471485A (en) | Method for removing sodium salt from hydrocarbon oil | |
| CN110872526A (en) | Low-temperature crude oil demulsifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |