CN103773519B - A kind of methyl alcohol straight-run spirit solubility promoter - Google Patents
A kind of methyl alcohol straight-run spirit solubility promoter Download PDFInfo
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- CN103773519B CN103773519B CN201410078331.7A CN201410078331A CN103773519B CN 103773519 B CN103773519 B CN 103773519B CN 201410078331 A CN201410078331 A CN 201410078331A CN 103773519 B CN103773519 B CN 103773519B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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Abstract
The present invention relates to a kind of solubility promoter, particularly relate to a kind of methyl alcohol straight-run spirit solubility promoter, described solubility promoter is made up of A liquid and B liquid; Described A liquid by volume per-cent is made up of following component: toluene 20 ~ 35%, dimethylbenzene 35 ~ 55%, naphthalene 25 ~ 35%; Described B liquid by volume per-cent is made up of following component: n-dodecanol 20 ~ 50%, n-Octanol 20 ~ 50%, glyceryl monostearate 0 ~ 30%, oleic acid 0 ~ 40%, biofuel 0 ~ 20%, and beneficial effect of the present invention is that solubilization-aid effect is good, water resistant phase separation performance is good.
Description
Technical field
The present invention relates to a kind of solubility promoter, particularly relate to a kind of methyl alcohol straight-run spirit solubility promoter.
Background technology
1993 Nian Qi China oneself become the pure importer of oil, within 2010, crude oil in China net importation amount breaks through 200,000,000 tons first, and external dependence degree is more than 55%.Methyl alcohol has that cheap, synthesis technique is simple, theoretical mixture gas calorific value is higher, transportability good and pollute the features such as low, and belong to clean fuel, therefore replace oil with coal exploitation methyl alcohol vehicle fuel is significant.In recent years, China is that the production capacity of methanol of raw material and output all hit new peak with coal.2000 to 2008, the annual speedup of methyl alcohol production capacity was 25%, and " 12 " methyl alcohol in mid-term production capacity is estimated will more than 5,000 ten thousand t/a.Although methyl alcohol has more than 200 derivative trip product, its aggregate consumption is still less, and seriously drug on the market in market.Within 2009, methanol device working rate only has 30%, methanol output 1,752 ten thousand tons in 2010, device working rate 45%, and development Downstream Products of Methanol is imperative.
In the recent period, methanol fuel is applied in succession in domestic multiple provinces and cities such as Hebei, Shanxi, Zhejiang, Xinjiang etc.2010, the official approval of Administration of Quality and Technology Supervision of Hebei province disclosed Hebei province's provincial standard " M15 Vehicular methanol petrol ", standard No. DB13/T1303-2010.Zhejiang is national methanol gasoline pilot province.In the same year, through the adequate preparation in early stage, Zhejiang Province's methanol gasoline pilot is sold Launching Ceremony and is held in Quzhou, indicates that methanol gasoline (M15/93#) pilot in Zhejiang Province sells formal startup.In December, 2012,100 novel energy-saving environment-friendly buses that Changzhi City public transport company of Shanxi Province increases newly formally put into effect.This time the new bus changed adopts diesel oil, methyl alcohol double fuel power, and exhaust emissions reaches Eu III standard.
Current commercially available solubility promoter also exists following point: less stable, and be unfavorable for methanol gasoline long storage periods, comparatively cryogenic region easily occurs demixing phenomenon in the winter time; Versatility is not strong, and most solubility promoter transfers the configuration of a certain model methanol gasoline to, and majority is in the lower or higher situation of methanol content; Water resistant phase separation performance is poor, Xuzhou Yong Sheng Energy Science Co., Ltd methanol vapour diesel oil additive only has the report of M15, economic benefit is not high, to be added in M40 methanol gasoline under equivalent assay conditions, chance water 0.5% is placed and is occurred turbid phenomenon in 10 days, puts namely phenomenon of phase separation occurs in 6 hours at-35 DEG C of low temperature.
Patent No. 102925223A, optimize technical scheme: Nitromethane 99Min. 10%, n-Heptyl alcohol 30%, phenylfluoroform 30%, n-Octanol 30%, gained methanol gasoline has good adaptability ride comfort, dynamic property, economy, the feature of environmental protection and security, its storage period is long, manufacture craft simple, normal temperature and pressure, easy to operate, but exist in this patent solubility promoter containing harmful elements such as N, F, in combustion processes, easily produce environmentally harmful gas.Patent No. 102977949A, propose water resistant to be separated scheme: this resisting phase separation agent is refluxed after 4 ~ 5h by the polyethenoxy ether class tensio-active agent Hybrid Heating of 15 ~ 25wt% methoxy ethoxy methane mixture, 30 ~ 40wt% methylal, 20 ~ 30wt% isooctyl alcohol, 15 ~ 25wt% dimethylbenzene and 0.1 ~ 0.5wt% and obtains, finally obtain at 25 DEG C of temperature, solubization is the methanol gasoline of 0.75%, but this technical scheme is comparatively complicated, and preparation process is longer.Patent No. 102888259A proposes a kind of technical scheme: Virahol 10 ~ 15%, isooctyl alcohol 40 ~ 70%, methyl tertiary butyl ether 2 ~ 10%, tetrahydrochysene bark mutter 2 ~ 10%, dimethylbenzene 5 ~ 15%, metal corrosion inhibitor 0 ~ 20.5%, rubber swelling inhibitor 0.1 ~ 0.4%, detergent-dispersant additive 3 ~ 10%, antifriction lubricant 0.5 ~ 2%, oxidation inhibitor 0.05 ~ 0.3%, the methanol gasoline octane value adopting this additive to configure is high, can be mixed with 90#, 93#, 95#, 97#, 98# series product.This additive raw material selects reasonable ratio, and containing detergent-dispersant additive, weight is unstable effectively to avoid methanol gasoline to occur, the situation of easy layering, but this technical scheme additive amount is comparatively large, and cost is higher.
Summary of the invention
The invention solves hot and humid methanol gasoline mutual solubility, water resistant stability, automobile-used time cold start-up difficulty, the high problem of oil consumption.
The invention provides a kind of methyl alcohol straight-run spirit solubility promoter, described solubility promoter is made up of A liquid and B liquid;
Described A liquid by volume per-cent is made up of following component:
Toluene 20 ~ 35%
Dimethylbenzene 35 ~ 55%
Naphthalene 25 ~ 35%;
Described B liquid by volume per-cent is made up of following component:
In use, B liquid and A liquid volume ratio are 1:3 ~ 22 to above-mentioned solubility promoter.
N-dodecanol of the present invention, n-Octanol and glyceryl monostearate are conducive to the dissolving each other of methyl alcohol and gasoline, improve water resistant phase separation performance; Glyceryl monostearate and biofuel contribute to improving calorific value, reducing energy consumption.
B liquid of the present invention by volume per-cent is preferably made up of following component:
Another object of the present invention is to the preparation method providing a kind of above-mentioned methyl alcohol straight-run spirit solubility promoter, described preparation method is: prepared by A liquid, by volume percentages, mixes toluene 20 ~ 35%, dimethylbenzene 35 ~ 55% and naphthalene 25 ~ 35%; Prepared by B liquid, by volume percentages, mixes n-dodecanol 20 ~ 50%, n-Octanol 20 ~ 50%, glyceryl monostearate 0 ~ 30%, oleic acid 0 ~ 40% and biofuel 0 ~ 20%.
Another object of the present invention is to provide the application of solubility promoter in methyl alcohol straight-run spirit.
The application of solubility promoter of the present invention in methyl alcohol straight-run spirit is preferably by volume percentages, methyl alcohol 10 ~ 60%, straight-run spirit 40 ~ 90%, A liquid 0 ~ 20% and B liquid 0 ~ 4% is mixed.
Beneficial effect of the present invention is:
1. solubilization-aid effect is good: A liquid accounts for that methyl alcohol straight-run spirit volume percent is 16%, B liquid is when to account for methyl alcohol straight-run spirit volume percent be 0.8%, phase separation temperature < 0 DEG C; A liquid accounts for that methyl alcohol straight-run spirit volume percent is 16%, B liquid is when to account for methyl alcohol straight-run spirit volume percent be 3.2%, and phase separation temperature is-30 DEG C;
2. water resistant phase separation performance is good: it is 16%, B liquid when to account for methyl alcohol straight-run spirit volume percent be 1.6% that A liquid accounts for methyl alcohol straight-run spirit volume percent, and at 0 DEG C of temperature, water content is that the methyl alcohol of volume percent 0.15% and gasoline are not separated; At 15 DEG C of temperature, water content is that the methyl alcohol of volume percent 0.28% and gasoline are not separated; At 30 DEG C of temperature, water content is that the methyl alcohol of volume percent 0.45% and gasoline are not separated;
3., under Hainan Tropical humid climate, good water resistant stability can also be ensured;
4. highly versatile, can be used for modulating the methyl alcohol straight-run spirit that methyl alcohol volumn concentration is 10 ~ 60%;
5. allotment and using method is safe, easy, addition is few, cost is low.
Embodiment
Following non-limiting example can make the present invention of those of ordinary skill in the art's comprehend, but does not limit the present invention in any way.
Embodiment 1
A preparation method for methyl alcohol straight-run spirit solubility promoter, described preparation method is: prepared by A liquid, by volume percentages, and toluene 30%, dimethylbenzene 40% and naphthalene 30% is stirred 2min, and sealing is kept in Dark Place; Prepared by B liquid, by volume percentages, n-dodecanol 24%, n-Octanol 24%, glyceryl monostearate 17%, oleic acid 31% and biofuel 4% is stirred 2min, and sealing is kept in Dark Place.
Embodiment 2
A preparation method for methyl alcohol straight-run spirit solubility promoter, described preparation method is: prepared by A liquid, by volume percentages, and toluene 30%, dimethylbenzene 40% and naphthalene 30% is stirred 2min, and sealing is kept in Dark Place; Prepared by B liquid, by volume percentages, n-dodecanol 43%, n-Octanol 43%, glyceryl monostearate 4%, oleic acid 6% and biofuel 4% is stirred 2min, and sealing is kept in Dark Place.
Embodiment 3
A preparation method for methyl alcohol straight-run spirit solubility promoter, described preparation method is: prepared by A liquid, by volume percentages, and toluene 30%, dimethylbenzene 40% and naphthalene 30% is stirred 2min, and sealing is kept in Dark Place; Prepared by B liquid, by volume percentages, n-dodecanol 38%, n-Octanol 38%, glyceryl monostearate 5%, oleic acid 10% and biofuel 9% is stirred 2min, and sealing is kept in Dark Place.
Embodiment 4
A preparation method for methyl alcohol straight-run spirit solubility promoter, described preparation method is: prepared by A liquid, by volume percentages, and toluene 30%, dimethylbenzene 40% and naphthalene 30% is stirred 2min, and sealing is kept in Dark Place; Prepared by B liquid, by volume percentages, n-dodecanol 41%, n-Octanol 41%, glyceryl monostearate 3%, oleic acid 6% and biofuel 9% is stirred 2min, and sealing is kept in Dark Place.
Embodiment 5
A preparation method for methyl alcohol straight-run spirit solubility promoter, described preparation method is: prepared by A liquid, by volume percentages, and toluene 30%, dimethylbenzene 40% and naphthalene 30% is stirred 2min, and sealing is kept in Dark Place; Prepared by B liquid, by volume percentages, n-dodecanol 37%, n-Octanol 37%, glyceryl monostearate 5%, oleic acid 9% and biofuel 12% is stirred 2min, and sealing is kept in Dark Place.
Embodiment 6
A preparation method for methyl alcohol straight-run spirit solubility promoter, described preparation method is: prepared by A liquid, by volume percentages, and toluene 30%, dimethylbenzene 40% and naphthalene 30% is stirred 2min, and sealing is kept in Dark Place; Prepared by B liquid, by volume percentages, n-dodecanol 40%, n-Octanol 40%, glyceryl monostearate 3%, oleic acid 5% and biofuel 12% is stirred 2min, and sealing is kept in Dark Place.
Application examples 1
The application of solubility promoter in methyl alcohol straight-run spirit, by volume percentages, methyl alcohol 8.2%, straight-run spirit 74.5%, A liquid 16.5% and B liquid 0.8% stirred 2min, leave standstill 1h, sealing is kept in Dark Place.
Application examples 2
The application of solubility promoter in methyl alcohol straight-run spirit, by volume percentages, methyl alcohol 24.8%, straight-run spirit 57.9%, A liquid 16.5% and B liquid 0.8% stirred 2min, leave standstill 1h, sealing is kept in Dark Place.
Application examples 3
The application of solubility promoter in methyl alcohol straight-run spirit, by volume percentages, methyl alcohol 24.6%, straight-run spirit 57.4%, A liquid 16.4% and B liquid 1.6% stirred 2min, leave standstill 1h, sealing is kept in Dark Place.
Application examples 4
The application of solubility promoter in methyl alcohol straight-run spirit, by volume percentages, methyl alcohol 41.2%, straight-run spirit 41.2%, A liquid 16% and B liquid 1.6% stirred 2min, leave standstill 1h, sealing is kept in Dark Place.
Application examples 5
The application of solubility promoter in methyl alcohol straight-run spirit, by volume percentages, methyl alcohol 24%, straight-run spirit 57.6%, A liquid 16% and B liquid 2.4% stirred 2min, leave standstill 1h, sealing is kept in Dark Place.
Application examples 6
The application of solubility promoter in methyl alcohol straight-run spirit, by volume percentages, methyl alcohol 24%, straight-run spirit 56.8%, A liquid 16% and B liquid 3.2% stirred 2min, leave standstill 1h, sealing is kept in Dark Place.
Claims (2)
1. a methyl alcohol straight-run spirit solubility promoter, described solubility promoter is made up of A liquid and B liquid;
Described A liquid by volume per-cent is made up of following component:
Toluene 20 ~ 35%
Dimethylbenzene 35 ~ 55%
Naphthalene 25 ~ 35%;
Described B liquid by volume per-cent is made up of following component:
Described solubility promoter is applied as by volume percentages in methyl alcohol straight-run spirit, methyl alcohol 5 ~ 50%, straight-run spirit 30 ~ 80%, A liquid 10 ~ 20% and B liquid 0.5 ~ 4% is mixed.
2. the preparation method of methyl alcohol straight-run spirit solubility promoter described in claim 1, is characterized in that: described preparation method is: prepared by A liquid, by volume percentages, mixes toluene 20 ~ 35%, dimethylbenzene 35 ~ 55% and naphthalene 25 ~ 35%; Prepared by B liquid, by volume percentages, mixes n-dodecanol 24 ~ 43%, n-Octanol 24 ~ 43%, glyceryl monostearate 3 ~ 17%, oleic acid 5 ~ 31% and biofuel 4 ~ 12%; By A liquid and the mixing of B liquid, A liquid by volume per-cent account for methyl alcohol straight-run spirit 10 ~ 20%, B liquid by volume per-cent account for 0.5 ~ 4% of methyl alcohol straight-run spirit.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103980966B (en) * | 2014-06-05 | 2016-08-17 | 海南大学 | A kind of modified alcohol gasoline phase stabilizer and add the modified alcohol gasoline of its phase stabiliser |
| CN107164002B (en) * | 2017-06-07 | 2019-03-01 | 河南经特生物科技有限公司 | A kind of Methanol gasoline cosolvent |
| CN108624364A (en) * | 2018-06-19 | 2018-10-09 | 佛山腾鲤新能源科技有限公司 | A kind of preparation method of environment-friendly methanol gasoline |
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