CN106281481A - A biodiesel compound emulsifier and its preparation method and application thereof - Google Patents

A biodiesel compound emulsifier and its preparation method and application thereof Download PDF

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CN106281481A
CN106281481A CN 201610707100 CN201610707100A CN106281481A CN 106281481 A CN106281481 A CN 106281481A CN 201610707100 CN201610707100 CN 201610707100 CN 201610707100 A CN201610707100 A CN 201610707100A CN 106281481 A CN106281481 A CN 106281481A
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biodiesel
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compound
emulsifier
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陈晓锋
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陈晓锋
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Abstract

The invention discloses a biodiesel compound emulsifier and its preparation method and application thereof. The adopted microemulsion biodiesel prepared by the invention has advantages of high water content, low viscosity, strong volatility and stability.

Description

一种生物柴油复配乳化剂及其制备方法和应用 Biodiesel emulsifier compound and its preparation method and application

技术领域 FIELD

[0001 ]本发明涉及生物柴油领域,具体涉及一种生物柴油复配乳化剂。 [0001] The present invention relates to the field of bio-diesel, bio-diesel in particular to a compound emulsifier.

背景技术 Background technique

[0002] 生物柴油是一种可再生且安全性高的新型燃料,它是以大豆和油菜籽等油料作物、油棕和黄连木等油料林木果实、工程微藻等油料水生植物以及动物油脂、废餐饮油等为原料制成的液体燃料。 [0002] Biodiesel is a renewable fuel and novel highly safe, and which is based on rapeseed oil crops such as soybean, oil palm trees and other fruit Pistacia, engineering and other algae and aquatic oils animal fats, waste food oil, liquid fuels made from raw materials. 生物柴油能以任意比与石化柴油混合,是优质的石油柴油代用品。 Biodiesel can be in any ratio with petroleum diesel mix, high-quality alternative to diesel oil.

[0003] 但是生物柴油也有其缺点,如生物柴油粘度较高、挥发性较差,NOx排放量也较高且热值低。 [0003] However, biodiesel also has its disadvantages, such as higher viscosity of biodiesel, poor volatility, the NOx emissions are also high and low calorific value. 而微乳化生物柴油能够有效降低生物柴油的粘度,改善雾化性能,降低NOx和碳烟排放。 The micro-emulsion can effectively reduce the viscosity of the biodiesel biodiesel, improve atomization, decrease NOx and soot emissions.

[0004] 微乳化生物柴油是由生物柴油、乳化剂(表面活性剂)和水自发形成的热力学稳定系统。 [0004] Biodiesel is a micro-emulsion from a biodiesel, emulsifiers (surfactants), and a thermodynamically stable systems formed spontaneously in water. 寻找合适的乳化剂(表面活性剂)是配制稳定的微乳化生物柴油的关键,此外,恰当的油、水和乳化剂(表面活性剂)比例也是影响微乳化生物柴油性能的关键因素之一。 Find suitable emulsifiers (surfactants) is key to the formulation of stable micro-emulsion of biodiesel, in addition, an appropriate oil, water and an emulsifier ratio (surfactant) is one of the key factors in the performance of micro-emulsion of biodiesel.

[0005] 目前微乳化生物柴油技术研究取得了一些成果,但仍旧存在着一定的缺陷。 [0005] Currently biodiesel micro-emulsion technology research yielded some results, but there are still some flaws. 例如: 孙平等(CN10140773,一种环保型微乳化生物柴油及其配制方法)报道了一种由辛基酚聚氧乙烯醚0P-4和0P-7复配的生物柴油-水微乳液;伍林等(CN101250431,一种生物柴油复配乳化剂及其制备方法)研究了一种由SPAN80和TWEEN80混合后用油酸溶解成的复配乳化剂,和水、生物柴油、乙醇胺及助溶剂混合配制而成;高永建等(CN10134874,一种生物柴油复配乳化剂及其配制方法)发现了一种生物柴油复配乳化剂的制备方法,该方法配制的生物柴油是由矿物柴油、动物油脂、甲醇、环烷酸、0P乳化剂、十二烷基磺酸钠、三乙醇胺等组成。 For example: Sun equality (CN10140773, an environmentally friendly formulation and bio-diesel micro-emulsion method) reported a method of octylphenol polyoxyethylene 0P-4 0P-7 compound and biodiesel - water microemulsion; Wu Lin et Research (CN101250431, biodiesel emulsifier and method for preparing compound) was dissolved into a oleic acid with mixing and by the rear SPAN80 TWEEN80 compound emulsifier, and water, biodiesel, and a co-solvent to ethanolamine preparation; Gao et YONGJIAN (CN10134874, biodiesel emulsifier compound and its preparation method) discovered a method for preparing an emulsifier compound biodiesel, the biodiesel is formulated from mineral diesel oil, animal fats, methanol, naphthenic acid, 0P emulsifiers, sodium dodecyl sulfate, triethanolamine and so on.

[0006] 这些配方虽然都能够得到微乳化生物柴油,但是均存在乳化剂用量过多、挥发性能差或配方过于复杂等问题。 [0006] Although these formulations are micro-emulsion can be obtained biodiesel, but too much emulsifying agent are present, the difference can be volatile or too complex formulation problems. 中国专利CN102382713 A提供的微乳化柴油能够明显降低乳化剂用量,但其微乳化柴油仍具有熵高不稳定、粘度高、挥发度低等问题。 Chinese patent CN102382713 A diesel provide microemulsion can significantly reduce the amount of emulsifier, diesel oil microemulsion but still having a high entropy unstable, high viscosity, low volatility problems. 目前,国际油价格一路飙升,石油资源愈显紧张,因此,研究性能良好的微乳化生物柴油不仅可以降低成本,而且可以节约能源和环保,是一项非常重要且迫在眉睫的课题。 At present, international oil prices have soared, oil resources more show the tension, therefore, good research performance micro-emulsion biodiesel not only reduce costs, but also can save energy and environmental protection, is a very important and urgent issue.

发明内容 SUMMARY

[0007] 有鉴于此,本发明公开一种生物柴油复配乳化剂,其制备的微乳化柴油具有高含水量、低粘度、强挥发性、稳定的特点。 [0007] In view of this, features of the present invention discloses a biodiesel compound emulsifier, diesel oil microemulsion is prepared having a high water content, low viscosity, high volatility, stability.

[0008] 本发明的目的通过以下技术方案实现:一种生物柴油复配乳化剂,其配方由如下各组分组成:按重量计包括23%脂肪醇聚氧乙烯醚AE0-3、16%的羧甲基纤维素、11%的亚磷酸二甲酯、20%的反丁烯二酸以及30%的山梨醇。 [0008] The object of the present invention is achieved by the following technical solutions: one biodiesel emulsifier complex, the components thereof were formulated by the following composition: 23% by weight, comprising fatty alcohol polyoxyethylene ether of AE0-3,16% carboxymethyl cellulose, 11% dimethyl phosphite, 20% of fumaric acid and 30% sorbitol.

[0009] 脂肪醇聚氧乙烯醚AE0-3为现有技术,能够在生物柴油中形成油包水的乳化粒子。 [0009] fatty alcohol polyoxyethylene ether AE0-3 the prior art, capable of forming a water-in-oil emulsified particles in biodiesel. 但对于高含水量的生物柴油,其油包水的乳化粒子必然具有更大的粒径,稳定性差而容易溃缩,最终油水分离。 But for the high water content of biodiesel, which water in oil emulsion particles must have a larger diameter, poor stability and easily collapse, the final oil-water separation. 尤其是生物柴油在燃烧时,高温导致微乳化柴油的油_水乳化体系熵值升高而混乱度上升,最终微乳化体系崩溃。 Especially when burning biodiesel, caused by high temperatures and increased randomness diesel oil microemulsion system water emulsion _ entropy increase, the final microemulsion system crash. 当应用在内燃机中,油水分离将损伤内燃机的结构,甚至导致内燃机突发的熄灭。 When used in internal combustion engines, oil-water separation would damage the structure of the internal combustion engine, the internal combustion engine even lead to burst off. 本发明的复配乳化剂,羧甲基纤维素的水溶液具有增稠、成膜、黏接、水分保持、胶体保护、乳化及悬浮等作用,广泛应用于石油、食品、医药、纺织和造纸等行业,是最重要的纤维素醚类之一。 Compound emulsifier of the invention, an aqueous solution of carboxymethyl cellulose as a thickener, film-forming, bonding, moisture retaining, protective colloids, emulsion and suspension and so on, widely used in petroleum, food, pharmaceutical, textile and paper, etc. industry, is one of the most important cellulose ethers. 羧甲基纤维素能够特异性地降低水的表面活化能,以促进水滴的聚集而不影响生物柴油的表面活性,使生物柴油包裹在水滴的表面形成微乳化颗粒。 Carboxymethyl cellulose capable of specifically reducing the activation energy of the water surface, in order to promote aggregation of surfactant without affecting the water droplets biodiesel, biodiesel wrapped emulsified particles formed in the surface of the micro-droplets. 亚磷酸二甲酯和反丁烯二酸配合,能够增强微乳化颗粒的稳定性,尤其是反丁烯二酸可以催化微乳化颗粒中水在高温下分解为一氧化碳等助燃物质,避免水分过高而降低内燃机中微乳化生物柴油的温度降低而无法达到燃点,造成燃烧不充分。 Dimethyl phosphite and fumaric acid complex, capable of enhancing the stability of the micro-emulsified particles, especially fumaric acid can catalyze the hydrolysis microemulsified particles of oxidizing species like carbon monoxide at elevated temperature, to avoid excessive moisture micro-emulsion to reduce the internal combustion engine biodiesel not reach ignition temperature decreases, resulting in incomplete combustion. 山梨醇则能够在高温高压的燃烧环境下限制微乳化生物柴油体系的熵增,维持体系的稳定性,防止油水分离。 Sorbitol can be restricted environment at high temperature and pressure combustion entropy increase biodiesel micro-emulsion system to maintain stability of the system, to prevent oil-water separation. 本发明原料的生物柴油可选用任一种现有技术获得。 Biodiesel present invention may be chosen any one of the prior art is obtained.

[0010] 所述复配乳化剂其制备方法为将所述山梨醇加热至100°C,加入所述脂肪醇聚氧乙烯醚AE0-3和羧甲基纤维素、反丁烯二酸,在密封的容器内0.4~0.7MPa的压力下加热至150°C,并保持20~40min;释放容器压力并使温度降至50°C,加入丁烯二酸二甲酯,保持60min获得所述复配乳化剂。 [0010] The compound emulsifier of the preparation method of sorbitol was heated to 100 ° C, was added the fatty alcohol polyoxyethylene ether AE0-3 and carboxymethylcellulose, fumaric acid, in 0.4 ~ 0.7MPa at a pressure within the sealed vessel was heated to 150 ° C, and held 20 ~ 40min; release pressure vessel and the temperature lowered to 50 ° C, dimethyl maleate was added, to obtain said multiplexed holding 60min emulsifier.

[0011] 所述密封容器可选用任一种耐高压设备实现。 The [0011] a sealed container can be selected to achieve any of a high pressure apparatus. 高温和高压有助于活化AE0-3、羧甲基纤维素、反丁烯二酸,而且必须将三者同时采用高温和高压处理。 Elevated temperature and pressure contribute to activation AE0-3, carboxymethylcellulose, fumaric acid, and all three must be both heat and pressure treatment.

[0012] 本发明还特别提供一种生物柴油复配乳化剂制备微乳化生物柴油的应用,包括如下工序:按重量计生物柴油65~78份、复配乳化剂2~5份、水30~50份,在标况下,向生物柴油中依次加入所述复配乳化剂、水,每分钟向其通入10L/千克水的空气,同时向其施加波长200~275nm的紫外光,处理140~200min后获得所述微乳化生物柴油。 [0012] The present invention further provides a particularly complex biological applications diesel emulsifier biodiesel microemulsion, comprising the steps of: bio-diesel by weight 65 to 78 parts of compound 2 to 5 parts emulsifier, water ~ 30 50 parts, under standard conditions, the air was added the compound emulsifier, water, fed thereto 10L / kg per minute of water to the biodiesel sequentially while applying a waveform to its length 200 ~ 275nm ultraviolet light, the process 140 ~ 200min after acquiring the micro-emulsion biodiesel.

[0013] 紫外光照射可以提高复配乳化剂的活性,降低生物柴油和水发生乳化的活化能, 使之形成的微乳化生物柴油更加均匀而不发生分层。 [0013] UV light can increase the activity of the compound emulsifier, and water, biodiesel reduce the activation energy of emulsification, so as to form a micro-emulsion biodiesel more uniform without delamination.

具体实施方式 detailed description

[0014] 为了便于本领域技术人员理解,下面将结合实施例对本发明作进一步详细描述: 实施例1 本实施例提供一种生物柴油复配乳化剂,其配方由如下各组分组成:按重量计生物柴油70份、复配乳化剂3份、水40份;所述复配乳化剂按重量计包括28%脂肪醇聚氧乙烯醚AE0-3、15%的羧甲基纤维素、9%的亚磷酸二甲酯、18%的反丁烯二酸以及30%的山梨醇。 [0014] In order to facilitate those skilled in the art understand, the following embodiments in conjunction with the embodiment of the present invention will be described in further detail: to provide a compound emulsifier biodiesel Example Example 1, the formula of each of the following constituents by weight: biodiesel meter 70 parts, 3 parts of compound emulsifier, 40 parts of water; the emulsifier compound comprises 28% by weight of the fatty alcohol polyoxyethylene ether AE0-3,15% carboxymethylcellulose, 9% dimethyl phosphite, 18% of fumaric acid and 30% sorbitol.

[0015] 所述复配乳化剂其制备方法为将所述山梨醇加热至100°C,加入所述脂肪醇聚氧乙烯醚AE0-3和羧甲基纤维素、反丁烯二酸,在密封的容器内0.5MPa的压力下加热至150°C,并保持35min;释放容器压力并使温度降至50°C,加入丁烯二酸二甲酯,保持60min 获得所述复配乳化剂。 [0015] The compound emulsifier of the preparation method of sorbitol was heated to 100 ° C, was added the fatty alcohol polyoxyethylene ether AE0-3 and carboxymethylcellulose, fumaric acid, in sealed container under a pressure of 0.5MPa was heated to 150 ° C, and kept 35min; release pressure vessel and the temperature lowered to 50 ° C, dimethyl maleate was added, maintaining the obtained compound emulsifier 60min.

[0016] -种生物柴油复配乳化剂制备微乳化生物柴油的应用,包括如下工序:在标况(温度为0°C和压强为101.325千帕)下,向生物柴油中依次加入所述复配乳化剂、水,每分钟向其通入10L/千克水的空气,同时向其施加波长200~275nm连续波长的紫外光(30W 市售紫外LED产生,距离5cm),处理200min后获得所述微乳化生物柴油。 [0016] - emulsifier complex biological species microemulsion biodiesel diesel applications, comprising the steps of: under standard conditions (temperature of 0 ° C and a pressure of 101.325 kPa), were added to the complex biodiesel emulsifiers, water, fed thereto per minute 10L / kg water, air, and (LED generates UV 30W commercially available from 5cm) applying a waveform to which a continuous long wavelength ultraviolet light 200 275nm ~ 200min post-treatment to obtain the biodiesel micro-emulsion.

[0017] 实施例2 本实施例提供一种生物柴油复配乳化剂,其配方由如下各组分组成:按重量计生物柴油78份、复配乳化剂2份、水50份;所述复配乳化剂按重量计包括28%脂肪醇聚氧乙烯醚AEO-3、15%的羧甲基纤维素、9%的亚磷酸二甲酯、18%的反丁烯二酸以及30%的山梨醇。 Example 2 Example [0017] The embodiment provides a compound emulsifier biodiesel, which formulation consists of the following components: the biodiesel by weight 78 parts, 2 parts emulsifying compound, 50 parts of water; the complex emulsifiers comprising 28% by weight of the fatty alcohol polyoxyethylene ether AEO-3,15% carboxymethylcellulose, 9% of dimethyl phosphite, 18% of fumaric acid and 30% sorbitol alcohol.

[0018]所述复配乳化剂其制备方法为将所述山梨醇加热至100°C,加入所述脂肪醇聚氧乙烯醚AE0-3和羧甲基纤维素、反丁烯二酸,在密封的容器内0.7MPa的压力下加热至150°C,并保持30min;释放容器压力并使温度降至50°C,加入丁烯二酸二甲酯,保持60min 获得所述复配乳化剂。 [0018] The compound emulsifier of the preparation method of sorbitol was heated to 100 ° C, was added the fatty alcohol polyoxyethylene ether AE0-3 and carboxymethylcellulose, fumaric acid, in sealed container under a pressure of 0.7MPa was heated to 150 ° C, and held for 30 min; the pressure is released and the vessel temperature was reduced to 50 ° C, dimethyl maleate was added, maintaining the obtained compound emulsifier 60min.

[0019]本实施例制备的微乳化柴油为将各种原料加入机械搅拌机中搅拌至均匀制得。 [0019] The present diesel oil microemulsion as prepared in Example Various raw materials are added to a mechanical stirrer to prepare stirred until homogeneous.

[0020] 实施例3 本实施例提供一种生物柴油复配乳化剂,其配方由如下各组分组成:按重量计生物柴油65份、复配乳化剂5份、水32份;所述复配乳化剂按重量计包括28%脂肪醇聚氧乙烯醚AE0-3、15%的羧甲基纤维素、9%的亚磷酸二甲酯、18%的反丁烯二酸以及30%的山梨醇。 Example 3 This example [0020] embodiment provides a compound of biodiesel emulsifier, each of which consists of the following formulation constituents: 65 parts by weight of biodiesel basis, compound 5 parts of emulsifier, 32 parts of water; the complex emulsifiers comprising 28% by weight of the fatty alcohol polyoxyethylene ether AE0-3,15% carboxymethylcellulose, 9% of dimethyl phosphite, 18% of fumaric acid and 30% sorbitol alcohol.

[0021] 所述复配乳化剂其制备方法为将所述山梨醇加热至100°C,加入所述脂肪醇聚氧乙烯醚AE0-3和羧甲基纤维素、反丁烯二酸,在密封的容器内0.6MPa的压力下加热至150°C,并保持40min ;释放容器压力并使温度降至50°C,加入丁烯二酸二甲酯,保持60min获得所述复配乳化剂。 [0021] The compound emulsifier of the preparation method of sorbitol was heated to 100 ° C, was added the fatty alcohol polyoxyethylene ether AE0-3 and carboxymethylcellulose, fumaric acid, in within the sealed container at a pressure of 0.6MPa was heated to 150 ° C, and kept 40min; release pressure vessel and the temperature lowered to 50 ° C, dimethyl maleate was added, maintaining the obtained compound emulsifier 60min.

[0022] 本实施例微乳化生物柴油的制备方法与实施例1 一致。 [0022] Example embodiment of the present method for preparing micro-emulsion biodiesel accordance with Example 1.

[0023] 对比例1 本对比例提供一种微乳化生物柴油。 [0023] Comparative Example 1 provides a comparative micro-emulsion biodiesel. 该微乳化生物柴油由申请号为200810047153.6 中国专利所提供。 The micro-emulsion of biodiesel provided by a Chinese patent 200810047153.6 Application No.. 含水量25wt%。 The water content of 25wt%.

[0024] 对比例2 本对比例提供一种微乳化生物柴油,其配方由如下各组分组成:按重量计生物柴油70 份、复配乳化剂3份、水40份;所述复配乳化剂按重量计包括28%脂肪醇聚氧乙烯醚AE0-3、 14%的亚磷酸二甲酯、28%的反丁烯二酸以及30%的山梨醇。 [0024] Comparative Example 2 provides a comparative micro-emulsion of biodiesel, which consists of the components of the following composition formula: 70 by parts by weight of biodiesel, compound 3 parts emulsifier, 40 parts of water; emulsifying the compound agent comprising 28% by weight of the fatty alcohol polyoxyethylene ether AE0-3, 14% of dimethyl phosphite, 28% of fumaric acid and 30% sorbitol.

[0025] 对比例3 本对比例提供一种微乳化生物柴油,其配方由如下各组分组成:按重量计生物柴油70 份、复配乳化剂3份、水40份;所述复配乳化剂按重量计包括32%脂肪醇聚氧乙烯醚AE0-3、 18%的羧甲基纤维素、18%的反丁烯二酸以及32%的山梨醇。 [0025] Comparative Example 3 provides a micro-emulsion biodiesel Comparative Example, the components which were formulated by the following composition: by weight of biodiesel 70 parts, 3 parts of compound emulsifier, 40 parts of water; emulsifying the compound agent comprising 32% by weight of the fatty alcohol polyoxyethylene ether AE0-3, 18% of carboxymethyl cellulose, 18% of fumaric acid, and 32% sorbitol.

[0026] 对比例4 本对比例提供一种微乳化生物柴油,其配方由如下各组分组成:按重量计生物柴油70 份、复配乳化剂3份、水40份;所述复配乳化剂按重量计包括38%脂肪醇聚氧乙烯醚AE0-3、 23%的羧甲基纤维素、12%的亚磷酸二甲酯、27%的反丁烯二酸。 [0026] Comparative Example 4 provides a comparative micro-emulsion of biodiesel, which consists of the components of the following composition formula: 70 by parts by weight of biodiesel, compound 3 parts emulsifier, 40 parts of water; emulsifying the compound agent comprising 38% by weight of the fatty alcohol polyoxyethylene ether AE0-3, 23% of carboxymethyl cellulose, 12% dimethyl phosphite, 27% fumaric acid.

[0027]乳化效果及体系稳定性测试。 [0027] System and emulsification stability test.

[0028]将对比例和对比例所提供的生物柴油,个组分别装满4个1000mL的量杯中,分别进行下述处理:观察其底部分出的水的体积vl,同时记录其体积减少量。 [0028] and of Comparative Comparative biodiesel provided, four groups were filled in 1000mL beaker were subjected to the following process: the separated bottom observe the volume of water VL, while recording the amount of volume reduction . 将量杯置于30 °C的遮光环境中,记录50日后量杯底部分理出的水的体积v2。 The cup was placed in the 30 ° C in a light shielding environment, recorded 50 days the amount of sort of cup bottom portion of the water volume v2. 将量杯内的微乳化柴油加热至50°C,记录5日后量杯底部分离出的水的体积v3。 The micro-emulsion in the beaker was heated to diesel 50 ° C, 5 days recording separated bottom cup of water volume v3. 将量杯内的微乳化柴油加热至80 °C,记录5小时候量杯底部分尚出水的体积v4。 The micro-emulsion in the beaker was heated to diesel 80 ° C, the amount of a child recording cup base part 5 are still water volume v4. 其结果如表1所不。 As a result, not a table.

[0029]表1。 [0029] Table 1.

Figure CN106281481AD00061

[0030] 酸值测试。 [0030] The acid number.

[0031] 分别采用氢氧化钾为标准测试各组生物柴油的酸值。 [0031] Potassium hydroxide were used to test groups a standard acid number of the biodiesel. 其结果如表2所示。 The results are shown in Table 2.

[0032] 表2。 [0032] Table 2.

Figure CN106281481AD00062

[0033]挥发度测试。 [0033] The volatility test.

[0034]将实施例1 一3的微乳化柴油吸取5ml,滴加在半径为3cm的蒸发皿中,在60°C、 相对湿度为50%、一个标准大气压下静置。 [0034] Example 1 a microemulsion diesel 3 suction 5ml, was added dropwise 3cm radius of evaporating dish at 60 ° C, a relative humidity of 50%, allowed to stand at a standard atmospheric pressure. 微乳化柴油完全挥发所需要的时间分别为380 秒、421秒、411秒。 Diesel oil microemulsion completely volatilized required time was 380 seconds, 421 seconds, 411 seconds.

[0035]运动粘度、闪点测试。 [0035] The kinematic viscosity, flash point test.

[0036] 采用GB/T265-1988和GB/T261-2008测试实施例1 一3的40°C时的运动粘度、闪点。 [0036] The GB / T265-1988 and GB / T261-2008 Test Example embodiments kinematic viscosity at 40 ° C 1 a 3, the flash point. 其结果如表3。 The results are shown in Table 3.

[0037] 表3。 [0037] Table 3.

Figure CN106281481AD00063

Claims (3)

  1. 1. 一种生物柴油复配乳化剂,其特征在于,其配方由如下各组分组成: 按重量计包括28%脂肪醇聚氧乙烯醚AE0-3、15%的羧甲基纤维素、9%的亚磷酸二甲酯、 18%的反丁烯二酸以及30%的山梨醇。 An emulsifier compound biodiesel, characterized in that it consists of the following respective formulation components: 28% by weight, comprising fatty alcohol polyoxyethylene ether AE0-3,15% carboxymethylcellulose, 9 % of dimethyl phosphite, 18% of fumaric acid and 30% sorbitol.
  2. 2. -种生物柴油复配乳化剂的制备方法,其特征在于,该方法包括如下步骤: 步骤1,为将所述山梨醇加热至l〇〇°C,加入所述脂肪醇聚氧乙烯醚AEO-3和羧甲基纤维素、反丁烯二酸,在密封的容器内0.4~0.7MPa的压力下加热至150°C,并保持20~40min; 步骤2,释放容器压力并使温度降至50°C,加入亚磷酸二甲酯,保持60min获得所述复配乳化剂。 2. - The method of producing biodiesel complex emulsifier, wherein the method comprises the following steps: Step 1, the sorbitol is heated to l〇〇 ° C, was added the fatty alcohol polyoxyethylene ether AEO-3 and carboxymethyl cellulose, fumaric acid, is heated in a sealed vessel at a pressure of 0.4 ~ 0.7MPa to 150 ° C, and held 20 ~ 40min; step 2, the pressure vessel is released and the temperature drop to 50 ° C, dimethyl phosphite, retaining 60min to obtain the compound emulsifier.
  3. 3. -种生物柴油复配乳化剂制备微乳化生物柴油的应用,其特征在于,该应用包括如下工序: 按重量计生物柴油65~78份、复配乳化剂2~5份、水30~50份,在标况下,向生物柴油中依次加入所述复配乳化剂、水,每分钟向其通入10L/千克水的空气,同时向其施加波长200~275nm的紫外光,处理140~200min后获得所述微乳化生物柴油。 3 - Application of compound species biodiesel microemulsion emulsifier biodiesel, characterized in that, the application comprising the steps of: bio-diesel by weight 65 to 78 parts of compound 2 to 5 parts of emulsifier, water ~ 30 50 parts, under standard conditions, the air was added the compound emulsifier, water, fed thereto 10L / kg per minute of water to the biodiesel sequentially while applying a waveform to its length 200 ~ 275nm ultraviolet light, the process 140 ~ 200min after acquiring the micro-emulsion biodiesel.
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CN104531244A (en) * 2015-01-18 2015-04-22 黄家亨 Micro-emulsion biodiesel
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CN1130672A (en) * 1995-03-08 1996-09-11 顾国兴 Compound additive and method for diesel oil emulsifying and microemulsification
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