CN103627456A - Environment-friendly composite fuel oil additive and preparation method thereof - Google Patents
Environment-friendly composite fuel oil additive and preparation method thereof Download PDFInfo
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- CN103627456A CN103627456A CN201310581211.4A CN201310581211A CN103627456A CN 103627456 A CN103627456 A CN 103627456A CN 201310581211 A CN201310581211 A CN 201310581211A CN 103627456 A CN103627456 A CN 103627456A
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- fuel oil
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- environmental protection
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- 239000003747 fuel oil additive Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000002131 composite material Substances 0.000 title abstract description 6
- 239000003921 oil Substances 0.000 claims abstract description 28
- 230000007613 environmental effect Effects 0.000 claims abstract description 20
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 14
- KTWOOEGAPBSYNW-UHFFFAOYSA-N ferrocene Chemical compound [Fe+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KTWOOEGAPBSYNW-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 14
- 239000011572 manganese Substances 0.000 claims abstract description 14
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000011575 calcium Substances 0.000 claims abstract description 13
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 13
- 239000002904 solvent Substances 0.000 claims abstract description 13
- 229910052788 barium Inorganic materials 0.000 claims abstract description 12
- 150000001875 compounds Chemical class 0.000 claims description 16
- 150000002148 esters Chemical class 0.000 claims description 14
- 229910002651 NO3 Inorganic materials 0.000 claims description 13
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 13
- -1 isooctyl Chemical group 0.000 claims description 13
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 claims description 12
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 claims description 12
- 159000000000 sodium salts Chemical class 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 5
- HNNQYHFROJDYHQ-UHFFFAOYSA-N 3-(4-ethylcyclohexyl)propanoic acid 3-(3-ethylcyclopentyl)propanoic acid Chemical compound CCC1CCC(CCC(O)=O)C1.CCC1CCC(CCC(O)=O)CC1 HNNQYHFROJDYHQ-UHFFFAOYSA-N 0.000 claims description 2
- 238000010907 mechanical stirring Methods 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 239000000295 fuel oil Substances 0.000 abstract description 26
- 239000000654 additive Substances 0.000 abstract description 12
- 239000010763 heavy fuel oil Substances 0.000 abstract description 11
- 230000000996 additive effect Effects 0.000 abstract description 10
- 238000002485 combustion reaction Methods 0.000 abstract description 7
- 238000007084 catalytic combustion reaction Methods 0.000 abstract description 3
- 239000006229 carbon black Substances 0.000 abstract description 2
- NNKQLUVBPJEUOR-UHFFFAOYSA-N 3-ethynylaniline Chemical compound NC1=CC=CC(C#C)=C1 NNKQLUVBPJEUOR-UHFFFAOYSA-N 0.000 abstract 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 1
- HWQXBVHZYDELQG-UHFFFAOYSA-L disodium 2,2-bis(6-methylheptyl)-3-sulfobutanedioate Chemical compound C(CCCCC(C)C)C(C(C(=O)[O-])S(=O)(=O)O)(C(=O)[O-])CCCCCC(C)C.[Na+].[Na+] HWQXBVHZYDELQG-UHFFFAOYSA-L 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 abstract 1
- 239000003517 fume Substances 0.000 abstract 1
- 231100000719 pollutant Toxicity 0.000 abstract 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 11
- 239000003209 petroleum derivative Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000003556 assay Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000772415 Neovison vison Species 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000326 densiometry Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical class [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006277 sulfonation reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Solid Fuels And Fuel-Associated Substances (AREA)
- Liquid Carbonaceous Fuels (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention provides an environment-friendly composite fuel oil additive and a preparation method thereof. The environment-friendly composite fuel oil additive comprises 120# solvent oil, calcium sulfonate, isooctyl nitrate, barium naphthanate, ferrocene/manganese complex and sodium diisooctyl sulfosuccinate. The additive solves the problems of high pollutant content and harm to the human body after combustion of heavy oil; and the heavy fuel oil catalytic combustion additive added into the heavy oil can greatly lower the concentration of carbon black in fume, thereby alleviating the environmental problem caused by combustion of heavy oil.
Description
Technical field
The present invention relates to oil fuel and production technical field thereof, particularly relate to a kind of environmental protection compound fuel oil additive and preparation method thereof.
Background technology
Oil and oil fuel series product must add various additives according to the relevant environmental protection of China and energy-conservation policy, use fuel oil additive needn't change vehicle and engine structure, just can improve engine power, reduce oil consumption, and purifying engine discharge, reduces and pollute.But domestic enterprise can only apply the production technique of traditional mediation, emulsification, sulfonation at present, common uprising dose of production function singleness, oxidation inhibitor, lubricant, stablizer or cetane value dose etc., but effect is undesirable, all cannot reach double effects energy-conservation and that purify simultaneously.Cause fuel oil additive to use loaded down with trivial details and with high costs.And domestic existing various fuel oil additive manufacturing process do not reach the requirement of environmental protection and the technical indicator of manufacturing enterprise, and be also restricted on storage and transit link, output can not meet the market requirement.The main long-term dependence on import of high-quality fuel oil additive (composite type fuel oil additive---have the function of multiple additives) has caused the loss of a large amount of foreign exchange fundss.
Existing situation is that energy dilemma is on the rise and consumption of petroleum amount constantly increases, and cost and the price of high-grade fuel oil escalate, and people more wish to replace high-quality fuel oil with reduced fuel oil.This makes various oil fuel all to heaviness future development.
Domestic each province and city oil-firing boiler is in great demand, and because there is no boiler special oil, major part is made fuel with diesel oil, not only wastes national energy but also increased user's spending, also causes environmental pollution.The advantage of heavy oil, super viscous crude is that low price, calorific value are high.Its shortcoming is that viscosity is high, flash-point is low, be not easy to store, transport and use, and discharge amount of exhaust gas is large, and contaminate environment is serious.Due to its these features, only on large-scale industrial combustion equipment, obtained application for a long time, and be restricted on general medium or mini type boiler.The burner that China's oil-firing boiler uses is at present mostly from imports such as Italy, Korea S, Germany, the U.S., they are to using the performance index of oil product to require very strict, in order to solve these difficult problems, be necessary to research and develop a kind of novel compound fuel oil additive.
Summary of the invention
Object of the present invention is exactly to provide a kind of environmental protection compound fuel oil additive and preparation method thereof for the defect of above-mentioned existence.The invention solves high, the harmful problem of mink cell focus burning after stain thing content, in heavy oil, add heavy fuel oil (HFO) catalytic combustion additive, can make carbon black concentration in flue gas significantly reduce, thereby alleviate the caused environmental problem of combusting heavy oil.
A kind of environmental protection compound fuel oil additive of the present invention and preparation method thereof technical scheme is, this oil fuel comprises No. 120 solvent oils, calcium sulphonate, isooctyl ester nitrate, barium naphthenate, ferrocene/manganese complex, sulfosuccinate di-isooctyl sodium salt.
Contain following composition by weight percentage: No. 120 solvent oil 15-20%, calcium sulphonate 15-20%, isooctyl ester nitrate 15-20%, barium naphthenate 15-20%, ferrocene/manganese complex 15-20%, each 15%-20% of sulfosuccinate di-isooctyl sodium salt.
Preferably, contain following composition by weight percentage: No. 120 solvent oils 20%, calcium sulphonate 20%, isooctyl ester nitrate 15%, naphthenic acid 15%, ferrocene/manganese complex 15%, sulfosuccinate di-isooctyl sodium salt 15%.
The preparation method of described fuel oil additive is, in reactor, add in proportion No. 120 solvent oils, calcium sulphonate, isooctyl ester nitrate, barium naphthenate, ferrocene/manganese complex, sulfosuccinate di-isooctyl sodium salt, stirring reaction after heating, filters and obtains fuel oil additive.
The heating of reactor jacketed and mechanical stirring device.
Reactor temperature of reaction is 80-100 ℃.
Reactor stirring reaction time 3-5h.
Beneficial effect of the present invention is:
Ferrocene/manganese complex that this fuel oil additive contains can provide metal active center, reduces the activation energy of fuel combustion, has the effect of catalyzed oxidation and decarbonizing; Barium naphthenate plays peace and quiet dispersion, smoke elimination, preservative activity; Isooctyl ester nitrate is typical Ashless type ignition dope, can increase oxygen level, reduces the combustion initiation temperature of fuel; Aerosol-OT salt plays and reduces deposition of combustion chamber of engine effect.
Research shows, novel Ashless type organic compound additive result of use is not as good as there being grey oil soluble additive, but and has between the binder component of grey type and have certain synergistic effect.This fuel oil additive is usingd has grey oil soluble metal organic compound and ashless ester class organic compound as main active ingredient, further improve and improved catalytic combustion properties, there is decarbonizing, froth breaking, combustion-supporting and suppress the multi-efficiencies such as low-volatility fuel oil breaking, more remarkable to the catalytic effect of the burning of inferior quality heavy fuel oil (HFO).
(1) composite fuel oil of the present invention have energy-efficient, calorific value is high, environmental protection, safe, nontoxic, smokeless, corrosion-free, do not stay raffinate, sanitation and hygiene, easily transportation, easily store and low price feature; Meanwhile, be not subject to season and climatic influences, reach the colleague's of country standard, fuel-economizing amount on average can reach more than 15%; Compared with similar products, combustion efficacy is better, and cheaper is the fuel oil that cost performance is higher, is the preferred fuels that substitutes liquefied gas and diesel oil; It is the main fuel that is widely used in office, enterprise, central air-conditioning, large hotel, hotel mall, bathing, Saunas, catering trade; (2) composite fuel oil of the present invention is applied in the burning of boiler, the content of the compositions such as the CO of flue gas, SO2 obviously reduces, and boiler thermal output rises; Boiler internal fouling situation improves significantly.
embodiment:
In order to understand better the present invention, with specific examples, describe technical scheme of the present invention in detail below, but the present invention is not limited thereto.
Embodiment 1:
In the heating of 80L jacketed and churned mechanically reactor, add in proportion:
No. 120 solvent oils 20%
Calcium sulphonate 20%
Isooctyl ester nitrate 15%
Barium naphthenate 15%
Ferrocene/manganese complex 15%
Sulfosuccinate di-isooctyl sodium salt 15%
Be warmed up to 80 ℃, stirring reaction 3h, filters and obtains environmental protection compound fuel oil additive, and totally 420 kg mix with 840t heavy fuel oil (HFO) with the ratio of 1:2000, are mixed with and add agent heavy fuel oil (HFO).
Embodiment 2:
Every material proportioning in embodiment 1 is changed into:
No. 120 solvent oils 20%
Calcium sulphonate 18%
Isooctyl ester nitrate 13%
Barium naphthenate 17%
Ferrocene/manganese complex 17%
Sulfosuccinate di-isooctyl sodium salt 15%
Be warmed up to 85 ℃, stirring reaction 3.5h, filters and obtains environmental protection compound fuel oil additive, and totally 420 kg mix with 840t heavy fuel oil (HFO) with the ratio of 1:2000, are mixed with and add agent heavy fuel oil (HFO).
Embodiment 3:
Every material proportioning in embodiment 1 is changed into:
No. 120 solvent oils 18%
Calcium sulphonate 16%
Isooctyl ester nitrate 15%
Barium naphthenate 17%
Ferrocene/manganese complex 17%
Sulfosuccinate di-isooctyl sodium salt 17%
Be warmed up to 90 ℃, stirring reaction 4h, filters and obtains environmental protection compound fuel oil additive, and totally 420 kg mix with 840t heavy fuel oil (HFO) with the ratio of 1:2000, are mixed with and add agent heavy fuel oil (HFO).
Embodiment 4:
Every material proportioning in embodiment 1 is changed into:
No. 120 solvent oils 16%
Calcium sulphonate 18%
Isooctyl ester nitrate 15%
Barium naphthenate 19%
Ferrocene/manganese complex 15%
Sulfosuccinate di-isooctyl sodium salt 17%
Be warmed up to 95 ℃, stirring reaction 4.5h, filters and obtains environmental protection compound fuel oil additive, and totally 420 kg mix with 840t heavy fuel oil (HFO) with the ratio of 1:2000, are mixed with and add agent heavy fuel oil (HFO).
According to GB/T260 petroleum products moisture determination method, GB/T261 Flash Point for Petroleum Products assay method, GB/T265 petroleum products kinematic viscosity and kinetic viscosity assay method, GB/T387 petroleum products sulphur content determination method, GB/T384 oil boom pH-value determination pH method, GB/T508 petroleum products Ash determination method, GB/T510 petroleum products questionable points assay method, GB/T1848 oil and petroleum products densitometry, GB/T4756 oil and petroleum products sampling system, GB/T268 oil produces and petroleum products Conradson method, the parameters that the fuel heavy oil after additive for heavy oil is added in the method tests such as GB/T5096 petroleum products copper strip test method.Add the heavy oil after the additive for heavy oil of embodiment of the present invention 1-4 and do not add every test parameter of blank of additive of the present invention as shown in table 1:
Table 1
Heavy oil is after adding additive of the present invention as can be seen from the above table, obviously reduced heavy oil viscosity, promote heavy oil mobility, improved the caloric value of heavy oil, take 180# heavy oil as example, and its calorific value, in 40 MJ/kg left and right, adds the heavy oil of additive of the present invention, play calorific value and can reach 45MJ/kg, and have the potentiality of lifting; Sulphur content declines, and general heavy oil sulphur content is in 4% left and right, and the sulphur content of this product, in 0.13% left and right, reduces discharge and the corrosion of oil fuel to equipment of pollutent greatly, has improved the parameters index of heavy oil.
Claims (7)
1. an environmental protection compound fuel oil additive, is characterized in that, comprises No. 120 solvent oils, calcium sulphonate, isooctyl ester nitrate, barium naphthenate, ferrocene/manganese complex, sulfosuccinate di-isooctyl sodium salt.
2. a kind of environmental protection compound fuel oil additive according to claim 1, it is characterized in that, contain following composition by weight percentage: No. 120 solvent oil 15-20%, calcium sulphonate 15-20%, isooctyl ester nitrate 15-20%, barium naphthenate 15-20%, ferrocene/manganese complex 15-20%, each 15%-20% of sulfosuccinate di-isooctyl sodium salt.
3. a kind of environmental protection compound fuel oil additive according to claim 2, it is characterized in that, contain following composition by weight percentage: No. 120 solvent oils 20%, calcium sulphonate 20%, isooctyl ester nitrate 15%, naphthenic acid 15%, ferrocene/manganese complex 15%, sulfosuccinate di-isooctyl sodium salt 15%.
4. the preparation method of a kind of environmental protection compound fuel oil additive as claimed in claim 1, is characterized in that,
In reactor, add in proportion: No. 120 solvent oils, calcium sulphonate, isooctyl ester nitrate, barium naphthenate, ferrocene/manganese complex, sulfosuccinate di-isooctyl sodium salt, stirring reaction after heating, filters and obtain fuel oil additive.
5. the preparation method of a kind of environmental protection compound fuel oil additive according to claim 4, is characterized in that, the heating of reactor jacketed and mechanical stirring device.
6. the preparation method of a kind of environmental protection compound fuel oil additive according to claim 4, is characterized in that, reactor temperature of reaction is 80-100 ℃.
7. the preparation method of a kind of environmental protection compound fuel oil additive according to claim 4, is characterized in that, reactor stirring reaction time 3-5h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310581211.4A CN103627456B (en) | 2013-11-19 | 2013-11-19 | A kind of Environment-friendlycomposite composite fuel oil additive and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310581211.4A CN103627456B (en) | 2013-11-19 | 2013-11-19 | A kind of Environment-friendlycomposite composite fuel oil additive and preparation method thereof |
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| Publication Number | Publication Date |
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| CN103627456A true CN103627456A (en) | 2014-03-12 |
| CN103627456B CN103627456B (en) | 2015-11-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106010675A (en) * | 2016-05-17 | 2016-10-12 | 武汉斯奇环保科技有限公司 | Composite fuel oil |
| CN108728187A (en) * | 2018-06-08 | 2018-11-02 | 吉首市醇兴清洁能源有限公司 | A kind of fuel with high cleanness oil additive and preparation method thereof |
| CN113028442A (en) * | 2021-03-15 | 2021-06-25 | 汪子友 | Ink stick raw materials apparatus for producing |
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| CN1123828A (en) * | 1994-11-23 | 1996-06-05 | 中国科学院大连化学物理研究所 | Additive for catalyzing combustion of diesel oil |
| CN101665733A (en) * | 2009-09-27 | 2010-03-10 | 济南开发区星火科学技术研究院 | Coal tar type fuel oil flame accelerator |
| CN102021052A (en) * | 2010-12-26 | 2011-04-20 | 西安市尚华科技开发有限责任公司 | Synergistic additive of diesel oil |
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2013
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123828A (en) * | 1994-11-23 | 1996-06-05 | 中国科学院大连化学物理研究所 | Additive for catalyzing combustion of diesel oil |
| CN101665733A (en) * | 2009-09-27 | 2010-03-10 | 济南开发区星火科学技术研究院 | Coal tar type fuel oil flame accelerator |
| CN102021052A (en) * | 2010-12-26 | 2011-04-20 | 西安市尚华科技开发有限责任公司 | Synergistic additive of diesel oil |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106010675A (en) * | 2016-05-17 | 2016-10-12 | 武汉斯奇环保科技有限公司 | Composite fuel oil |
| CN108728187A (en) * | 2018-06-08 | 2018-11-02 | 吉首市醇兴清洁能源有限公司 | A kind of fuel with high cleanness oil additive and preparation method thereof |
| CN113028442A (en) * | 2021-03-15 | 2021-06-25 | 汪子友 | Ink stick raw materials apparatus for producing |
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| CN103627456B (en) | 2015-11-18 |
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