CN109266404A - 一种节能汽油添加剂及其制备方法和应用 - Google Patents
一种节能汽油添加剂及其制备方法和应用 Download PDFInfo
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Abstract
本发明提出了一种节能汽油添加剂,由以下原料按重量份制备而成:氧化铈/聚乙二醇/氧化石墨烯纳米复合物30‑50份;二异丁烯10‑30份;丙二酸二甲酯10‑15份;正辛醇20‑30份;二甲苯10‑30份;异壬烷5‑15份;吐温5‑15份;蜂蜡10‑30份;防锈剂10‑15份;防腐剂5‑15份;抗静电剂5‑15份;有机溶剂30‑50份。只需在燃油中以1/5000的比例添加本发明产品,就能促使燃油燃烧更加充分,实现节约燃油、增加动力、减少污染物排放等效果,使汽油的馏程温度降低,燃烧性能获得改善,汽车的驾驶性能指数提高,环境污染减少。
Description
技术领域
本发明涉及汽油添加剂技术领域,具体涉及一种节能汽油添加剂。
背景技术
自汽车发动机问市以后,为提高发动的燃烧效率,人们都在想办法提高汽车发动机的压缩比。从压缩比4.0,逐步增大到10.8,尽管增加了燃烧效率,但是功率也有所下降,目前国际上采用的发动机压缩比,基本上是定在8.0的范围之内。为达此目的,国内外均采用了多种方法来提高汽油的辛烷值,以满足发动机的压缩比的要求。
比较广泛采用的方法是在汽油中混入少量抗爆添加剂。早期被采用的抗爆剂是美国乙基公司的产品——四乙基铅。随着四乙基铅的应用,造成了对环境的严重污染,如在美国的公路两旁的土壤中,铅含量超过了标准的100倍。为解决铅污染问题,多年来,人们一直致力于无铅汽油抗爆剂的科学研究,MMT和MTBE等一系列的无铅汽油抗爆剂产品就是由此应运而生。同时,人们又在炼油工艺上也进行了很多改进,如大规模采用催裂化装置炼油,以增加产品的烯、芳烃含量,以此来提高油品的辛烷值,同时又彻底的解决汽车尾气的污染问题。
以上解决办法,虽然可以解决了铅污染等问题,但明显也存在着几方面的缺点:其一,是烯烃含量过高,在车辆燃烧时,由高温高压条件产生的聚合物附储在喷嘴处,造成密封不严重,且使车辆燃烧不充分,排出大量的碳氢化合物,造成尾气污染,现在国家已明确元宝油品烯烃含量35%,北京、上海、广州三市严格要求,非清洁汽油不准入市。如果期货城市效仿执行,预计三年时间左右,大石化、大庆龙凤等炼厂,将无合格油品出厂。其二,是在油品中加入抗爆剂MMT及抗爆添加剂MTBE,将对环境造成较大的污染,前者由于有元素Mn的排放,对人及其它生物直接造成影响,严重染污各种水源,有些生产MTBE的厂家,尽管严格控制跑冒滴漏,可地下水仍然无法饮用,所以美国已立法禁用MTBE,我国也将会产相应立法。
汽油是不可再生能源之一,随着天然石油贮存量的减少,提高汽油洁净度以及使汽油充分燃烧是当前化工领域和汽车工业十分关注的问题,特别是在我国目前采用的汽油中,催化裂化汽油所占比例还相当高,因此汽油氧化生成胶质、漆膜和沉积物的问题还比较严重,因此,环保汽油添加剂是目前研究的热点。发动机运转时,喷油嘴温度在100℃左右,进气阀温度在200-300℃之间。在这样的温度下,燃油中的不稳定成份,极易产生氧化缩合反应,生成胶质和积碳,沉淀在进气阀和喷油嘴上,先进的高增压发动机和使用GDI燃油直喷技术的发动机更容易产生积碳。堆积在进气阀上的沉积物,会造成进气通道截面积减少,进气效率降低,功率下降,严重时会使阀门动作迟缓,关闭不严。喷油嘴积碳,会使喷油不畅,燃油雾化质量下降,导致燃油进入燃烧室后,难以完全燃烧,造成发动机启动困难,怠速不稳,以及油耗加大,尾气排放恶化,特别在冬天,这些状况更加明显。
有关环保汽油添加剂及其制备方法的研究,如中国专利CN 102994176A公开的一种环保汽油添加剂的合成方法,该方法以甲醇30-70%、异丁醇10-15%、异丙醇5-10%、烷基苯0.02-1%、硫酸铜1-2%、二甲苯1-3%、抗氧剂0.01-1.5%为原料,经过三步反应得到环保汽油添加剂。且该工艺存在以下不足:用甲醇使用量过大,对人体有害。静置24小时,物质挥发严重。US5736493的美国专利公开了一种多功能的合成的生物基汽油调节剂。该方法主要目的是用于提供发动机进气阀门的清洁和保证燃油干净高效的燃烧注入和化油器,但该工艺采用生物技术,成本昂贵。
发明内容
为了解决上述的技术问题,本发明提供一种节能汽油添加剂及其制备和应用,其目的在于,提供一种节能汽油添加剂,通过添加氧化铈/聚乙二醇/氧化石墨烯纳米复合物,有效减少含碳沉积物的产生和废气的排放,同时氧化石墨烯能够显著提高汽油的辛烷值。
本发明提供一种节能汽油添加剂,由以下原料按重量份制备而成:氧化铈/聚乙二醇/氧化石墨烯纳米复合物30-50份;二异丁烯10-30份;丙二酸二甲酯10-15份;正辛醇20-30份;二甲苯10-30份;异壬烷5-15份;吐温5-15份;蜂蜡10-30份;防锈剂10-15份;防腐剂5-15份;抗静电剂5-15份;有机溶剂30-50份;
所述氧化铈/聚乙二醇/氧化石墨烯纳米复合物由以下方法制备:
(1)采用改进的Hummers法制备氧化石墨烯;
(2)聚乙二醇/氧化石墨烯的制备:取氧化石墨烯水分散液加入到反应釜中,超声处理30min,加入聚乙二醇的水溶液,混合均匀,加热至70℃,搅拌反应10h,过滤,去离子水洗涤固体,即得;
(3)氧化铈/聚乙二醇/氧化石墨烯纳米复合物的制备:将聚乙二醇/氧化石墨烯溶于乙醇中,加入乙酸铈溶液搅拌10min,80℃下反应2h,过滤,乙醇洗涤固体,烘干,研磨,即得氧化铈/聚乙二醇/氧化石墨烯纳米复合物,。
作为本发明进一步的改进,氧化石墨烯与聚乙二醇的物质的量比为(3-5):2;所述聚乙二醇/氧化石墨烯与乙酸铈的物质的量之比为(0.8-1.2):1。
作为本发明进一步的改进,由以下原料按重量份制备而成:氧化铈/聚乙二醇/氧化石墨烯纳米复合物34-47份;二异丁烯13-26份;丙二酸二甲酯11-13份;正辛醇22-26份;二甲苯12-27份;异壬烷7-13份;吐温7-12份;蜂蜡15-25份;防锈剂12-14份;防腐剂8-12份;抗静电剂6-13份;有机溶剂35-42份。
作为本发明进一步的改进,由以下原料按重量份制备而成:氧化铈/聚乙二醇/氧化石墨烯纳米复合物42份;二异丁烯21份;丙二酸二甲酯12份;正辛醇25份;二甲苯17份;异壬烷11份;吐温10份;蜂蜡20份;防锈剂13份;防腐剂9份;抗静电剂9份;有机溶剂40份。
作为本发明进一步的改进,防锈剂选自硼酸三乙醇胺、葵二酸三乙醇胺、油酸羧酸酯、多元羧酸酯、油酸三乙醇胺或月桂酸三乙醇胺中的一种或几种。
作为本发明进一步的改进,防腐剂选自苯甲酸、苯甲酸钾、苯甲酸钠、苯甲酸钙、山梨酸、山梨酸钾、山梨酸钠、对羟基苯甲酸甲酯、对羟基苯甲酸乙酯、对羟基苯甲酸丙酯、脱氧乙酸、脱氧乙酸钠、丙酸钙或乳酸钠中的一种或几种。
作为本发明进一步的改进,抗静电剂选自SN、TM、SP、SH-105、NP、DPE、十二烷基二甲基甜菜碱或脂肪醇聚氧乙烯醚中的一种或几种。
作为本发明进一步的改进,有机溶剂选自苯乙烯、三氯乙烯、乙烯乙二醇醚、三乙醇胺、甲苯、二甲苯、环己烷、环己酮、甲苯环己酮、异丙醇、甲基丁酮、乙腈、乙二醇单甲醚、乙二醇单乙醚或乙二醇单丁醚中的一种或几种。
本发明进一步保护上述一种节能汽油添加剂的制备方法,按照以下方法制备:按比例称取各原料依次加入反应釜中,加入有机溶剂,80-90℃下搅拌2-5h,充分混合均匀,冷却至室温,静置10-15h,得到节能汽油添加剂。
本发明进一步保护上述一种节能汽油添加剂的应用。
本发明具有如下有益效果:
1.只需在燃油中以1/5000的比例添加本发明产品,就能促使燃油燃烧更加充分,实现节约燃油、增加动力、减少污染物排放等效果,使汽油的馏程温度降低,燃烧性能获得改善,汽车的驾驶性能指数提高,环境污染减少;
2.氧化铈/聚乙二醇/氧化石墨烯纳米复合物在燃烧过程中产生铈颗粒,这些颗粒分散在气缸和排气系统中,能催化氧化不完全燃烧的烃类,有效减少含碳沉积物的产生和废气的排放,同时氧化石墨烯能够显著提高汽油的辛烷值;
3.本发明制备的节能环保汽油养护添加剂能高效提高汽车辛烷值,净化尾气,节能环保。
附图说明
图1为节能汽油添加剂的制备工艺图。
具体实施方式
下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整的描述,显然,所述的实施例只是本发明的部分具有代表性的实施例,而不是全部实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的其他所有实施例都属于本发明的保护范围。
实施例1节能汽油添加剂的制备
原料组成:氧化铈/聚乙二醇/氧化石墨烯纳米复合物30份;二异丁烯10份;丙二酸二甲酯10份;正辛醇20份;二甲苯10份;异壬烷5份;吐温5份;蜂蜡10份;硼酸三乙醇胺10份;苯甲酸钾5份;脂肪醇聚氧乙烯醚5份;三乙醇胺30份。
氧化铈/聚乙二醇/氧化石墨烯纳米复合物由以下方法制备:
(1)采用改进的Hummers法制备氧化石墨烯;
(2)聚乙二醇/氧化石墨烯的制备:取3mol氧化石墨烯水分散液加入到反应釜中,超声处理30min,加入2mol聚乙二醇的水溶液,混合均匀,加热至70℃,搅拌反应10h,过滤,去离子水洗涤固体,即得;
(3)氧化铈/聚乙二醇/氧化石墨烯纳米复合物的制备:将0.8mol聚乙二醇/氧化石墨烯溶于乙醇中,加入1mol乙酸铈溶液搅拌10min,80℃下反应2h,过滤,乙醇洗涤固体,烘干,研磨,即得氧化铈/聚乙二醇/氧化石墨烯纳米复合物。
节能汽油添加剂的制备:按比例称取各原料依次加入反应釜中,加入三乙醇胺,80℃下搅拌2h,充分混合均匀,冷却至室温,静置10h,得到节能汽油添加剂。
实施例2节能汽油添加剂的制备
原料组成:氧化铈/聚乙二醇/氧化石墨烯纳米复合物50份;二异丁烯30份;丙二酸二甲酯15份;正辛醇30份;二甲苯30份;异壬烷15份;吐温15份;蜂蜡30份;月桂酸三乙醇胺15份;对羟基苯甲酸丙酯15份;SP 15份;乙二醇单甲醚50份。
氧化铈/聚乙二醇/氧化石墨烯纳米复合物由以下方法制备:
(1)采用改进的Hummers法制备氧化石墨烯;
(2)聚乙二醇/氧化石墨烯的制备:取5mol氧化石墨烯水分散液加入到反应釜中,超声处理30min,加入2mol聚乙二醇的水溶液,混合均匀,加热至70℃,搅拌反应10h,过滤,去离子水洗涤固体,即得;
(3)氧化铈/聚乙二醇/氧化石墨烯纳米复合物的制备:将1.2mol聚乙二醇/氧化石墨烯溶于乙醇中,加入1mol乙酸铈溶液搅拌10min,80℃下反应2h,过滤,乙醇洗涤固体,烘干,研磨,即得氧化铈/聚乙二醇/氧化石墨烯纳米复合物。
节能汽油添加剂的制备:按比例称取各原料依次加入反应釜中,加入乙二醇单甲醚,90℃下搅拌5h,充分混合均匀,冷却至室温,静置15h,得到节能汽油添加剂。
实施例3节能汽油添加剂的制备
原料组成:氧化铈/聚乙二醇/氧化石墨烯纳米复合物34份;二异丁烯13份;丙二酸二甲酯11份;正辛醇22份;二甲苯12份;异壬烷7份;吐温7份;蜂蜡15份;油酸三乙醇胺12份;脱氧乙酸8份;SN 6份;乙二醇单丁醚35份。
氧化铈/聚乙二醇/氧化石墨烯纳米复合物由以下方法制备:
(1)采用改进的Hummers法制备氧化石墨烯;
(2)聚乙二醇/氧化石墨烯的制备:取4mol氧化石墨烯水分散液加入到反应釜中,超声处理30min,加入2mol聚乙二醇的水溶液,混合均匀,加热至70℃,搅拌反应10h,过滤,去离子水洗涤固体,即得;
(3)氧化铈/聚乙二醇/氧化石墨烯纳米复合物的制备:将1mol聚乙二醇/氧化石墨烯溶于乙醇中,加入1mol乙酸铈溶液搅拌10min,80℃下反应2h,过滤,乙醇洗涤固体,烘干,研磨,即得氧化铈/聚乙二醇/氧化石墨烯纳米复合物。
节能汽油添加剂的制备:按比例称取各原料依次加入反应釜中,加入乙二醇单丁醚,85℃下搅拌3h,充分混合均匀,冷却至室温,静置11h,得到节能汽油添加剂。
实施例4节能汽油添加剂的制备
原料组成:氧化铈/聚乙二醇/氧化石墨烯纳米复合物47份;二异丁烯26份;丙二酸二甲酯13份;正辛醇26份;二甲苯27份;异壬烷13份;吐温12份;蜂蜡25份;油酸羧酸酯14份;丙酸钙6份、乳酸钠6份;十二烷基二甲基甜菜碱13份;异丙醇42份。
氧化铈/聚乙二醇/氧化石墨烯纳米复合物由以下方法制备:
(1)采用改进的Hummers法制备氧化石墨烯;
(2)聚乙二醇/氧化石墨烯的制备:取3.5mol氧化石墨烯水分散液加入到反应釜中,超声处理30min,加入2mol聚乙二醇的水溶液,混合均匀,加热至70℃,搅拌反应10h,过滤,去离子水洗涤固体,即得;
(3)氧化铈/聚乙二醇/氧化石墨烯纳米复合物的制备:将0.9mol聚乙二醇/氧化石墨烯溶于乙醇中,加入1mol乙酸铈溶液搅拌10min,80℃下反应2h,过滤,乙醇洗涤固体,烘干,研磨,即得氧化铈/聚乙二醇/氧化石墨烯纳米复合物。
节能汽油添加剂的制备:按比例称取各原料依次加入反应釜中,加入异丙醇,87℃下搅拌4h,充分混合均匀,冷却至室温,静置14h,得到节能汽油添加剂。
实施例5节能汽油添加剂的制备
原料组成:氧化铈/聚乙二醇/氧化石墨烯纳米复合物42份;二异丁烯21份;丙二酸二甲酯12份;正辛醇25份;二甲苯17份;异壬烷11份;吐温10份;蜂蜡20份;葵二酸三乙醇胺13份;山梨酸9份;SH-1059份;三氯乙烯40份。
氧化铈/聚乙二醇/氧化石墨烯纳米复合物由以下方法制备:
(1)采用改进的Hummers法制备氧化石墨烯;
(2)聚乙二醇/氧化石墨烯的制备:取3.7mol氧化石墨烯水分散液加入到反应釜中,超声处理30min,加入2mol聚乙二醇的水溶液,混合均匀,加热至70℃,搅拌反应10h,过滤,去离子水洗涤固体,即得;
(3)氧化铈/聚乙二醇/氧化石墨烯纳米复合物的制备:将1.1mol聚乙二醇/氧化石墨烯溶于乙醇中,加入1mol乙酸铈溶液搅拌10min,80℃下反应2h,过滤,乙醇洗涤固体,烘干,研磨,即得氧化铈/聚乙二醇/氧化石墨烯纳米复合物。
节能汽油添加剂的制备:按比例称取各原料依次加入反应釜中,加入三氯乙烯,88℃下搅拌3h,充分混合均匀,冷却至室温,静置13h,得到节能汽油添加剂。
对照例1按照专利ZL 201610696997.8“一种节能环保汽油添加剂”的方法制备
原料组成:优质甲醇700份、防酸乙酯60份、六亚甲基四胺25份、氟化镍50份、松香15份、石脑油10份、脂肪酸8份和三乙醇胺25份。
将各原料依次加入反应釜中,搅拌10分钟,充分混合均匀,静置24小时,即得到本发明的环保汽油添加剂。
测试例1节油性能测试
将本发明实施例1-5和对照例1制备的节能汽油添加剂以重量百分比0.5%添加到92号汽油中,测试百公里耗油量及节油率。测试结果见表1。
表1性能测试结果
百公里耗油 | 节油率 | |
普通92号汽油 | 11.23 | - |
加入实施例1的92号汽油 | 7.69 | 31.52% |
加入实施例2的92号汽油 | 7.95 | 29.21% |
加入实施例3的92号汽油 | 8.02 | 28.58% |
加入实施例4的92号汽油 | 7.73 | 31.17% |
加入实施例5的92号汽油 | 7.54 | 32.86% |
加入对照例1的92号汽油 | 9.02 | 19.68% |
由上表可知,在同等添加量的情况下,本发明实施例的节油率(28.58%-32.86%)明显高于对照例的节油率(19.68%),因此,本发明制备的节能汽油添加剂的节油效果更好,更加环保节能。
本领域的技术人员在不脱离权利要求书确定的本发明的精神和范围的条件下,还可以对以上内容进行各种各样的修改。因此本发明的范围并不仅限于以上的说明,而是由权利要求书的范围来确定的。
Claims (10)
1.一种节能汽油添加剂,其特征在于,由以下原料按重量份制备而成:氧化铈/聚乙二醇/氧化石墨烯纳米复合物30-50份;二异丁烯10-30份;丙二酸二甲酯10-15份;正辛醇20-30份;二甲苯10-30份;异壬烷5-15份;吐温5-15份;蜂蜡10-30份;防锈剂10-15份;防腐剂5-15份;抗静电剂5-15份;有机溶剂30-50份;
所述氧化铈/聚乙二醇/氧化石墨烯纳米复合物由以下方法制备:
(1)采用改进的Hummers法制备氧化石墨烯;
(2)聚乙二醇/氧化石墨烯的制备:取氧化石墨烯水分散液加入到反应釜中,超声处理30min,加入聚乙二醇的水溶液,混合均匀,加热至70℃,搅拌反应10h,过滤,去离子水洗涤固体,即得;
(3)氧化铈/聚乙二醇/氧化石墨烯纳米复合物的制备:将聚乙二醇/氧化石墨烯溶于乙醇中,加入乙酸铈溶液搅拌10min,80℃下反应2h,过滤,乙醇洗涤固体,烘干,研磨,即得氧化铈/聚乙二醇/氧化石墨烯纳米复合物。
2.根据权利要求1所述一种节能汽油添加剂,其特征在于,所述氧化石墨烯与聚乙二醇的物质的量比为(3-5):2;所述聚乙二醇/氧化石墨烯与乙酸铈的物质的量之比为(0.8-1.2):1。
3.根据权利要求1所述一种节能汽油添加剂,其特征在于,由以下原料按重量份制备而成:氧化铈/聚乙二醇/氧化石墨烯纳米复合物34-47份;二异丁烯13-26份;丙二酸二甲酯11-13份;正辛醇22-26份;二甲苯12-27份;异壬烷7-13份;吐温7-12份;蜂蜡15-25份;防锈剂12-14份;防腐剂8-12份;抗静电剂6-13份;有机溶剂35-42份。
4.根据权利要求3所述一种节能汽油添加剂,其特征在于,由以下原料按重量份制备而成:氧化铈/聚乙二醇/氧化石墨烯纳米复合物42份;二异丁烯21份;丙二酸二甲酯12份;正辛醇25份;二甲苯17份;异壬烷11份;吐温10份;蜂蜡20份;防锈剂13份;防腐剂9份;抗静电剂9份;有机溶剂40份。
5.根据权利要求1所述一种节能汽油添加剂,其特征在于,所述防锈剂选自硼酸三乙醇胺、葵二酸三乙醇胺、油酸羧酸酯、多元羧酸酯、油酸三乙醇胺或月桂酸三乙醇胺中的一种或几种。
6.根据权利要求1所述一种节能汽油添加剂,其特征在于,所述防腐剂选自苯甲酸、苯甲酸钾、苯甲酸钠、苯甲酸钙、山梨酸、山梨酸钾、山梨酸钠、对羟基苯甲酸甲酯、对羟基苯甲酸乙酯、对羟基苯甲酸丙酯、脱氧乙酸、脱氧乙酸钠、丙酸钙或乳酸钠中的一种或几种。
7.根据权利要求1所述一种节能汽油添加剂,其特征在于,所述抗静电剂选自SN、TM、SP、SH-105、NP、DPE、十二烷基二甲基甜菜碱或脂肪醇聚氧乙烯醚中的一种或几种。
8.根据权利要求1所述一种节能汽油添加剂,其特征在于,所述有机溶剂选自苯乙烯、三氯乙烯、乙烯乙二醇醚、三乙醇胺、甲苯、二甲苯、环己烷、环己酮、甲苯环己酮、异丙醇、甲基丁酮、乙腈、乙二醇单甲醚、乙二醇单乙醚或乙二醇单丁醚中的一种或几种。
9.根据权利要求1-8任一权利要求所述一种节能汽油添加剂的制备方法,其特征在于,按照以下方法制备:按比例称取各原料依次加入反应釜中,加入有机溶剂,80-90℃下搅拌2-5h,充分混合均匀,冷却至室温,静置10-15h,得到节能汽油添加剂。
10.根据权利要求1-8任一权利要求所述一种节能汽油添加剂的应用。
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