Co-Hydroprocessing of Soybean Oil and Fluid Catalytic Cracking Diesel Oil for Producing Clean Diesel Oil with High Cetane Number 流化催化裂化柴油和豆油耦合加氢生产高十六烷值清洁柴油催化裂化柴油氧化萃取脱硫工艺研究
Cetane Number of Emergency Fuel of Diesel and the Influence on Engine Performance 柴油机应急燃料的发火性及其对发动机性能影响研究
Improve the first industrial applications of the cetane number technology in the hydro-upgrading device of direct coal liquefaction effluent 提高十六烷值技术在煤直接液化油加氢改质装置的首次工业应用
To improve the CO and opacity smoke emissions, the fuel cetane number exists an optimum. 对于CO排放及消光烟度,十六烷值存在一个最佳值。
Bio-fuel has the advantages of less emission, higher cetane number, and no carcinogens produced. 生物柴油具有排烟少、十六烷值高、且不会产生致癌物质等优点。
According to its indicated pressure diagrams measured under the condition of burning diesel fuels with different cetane number in D. 通过实测直喷式柴油机燃烧不同十六烷值柴油时的缸内压力示功图,以此计算出相应的燃烧放热规律。
The relationship among the boiling range, cetane number, smoke point, and other properties such as aromatics content, aniline point, and the sulfur and nitrogen content was also studied. 分析了轻瓦斯油窄馏分的馏程、十六烷值、烟点以及其他性质如芳烃含量、苯胺点、硫氮含量之间的关系。
The results show that the fuel cetane number and engine exhaust smoke decrease and engine thermal efficiency improves with adding DMC in diesel fuel. 结果表明,在柴油中添加DMC,燃料十六烷值降低,发动机热效率提高,烟度减小。
Effects of cetane number improver, surfactants and organometallic compounds as diesel fuel additive on soot emission reduction were investigated with a 6120Q DI diesel engine. 采用6120Q直喷式柴油机对十六烷值改进剂、表面活性剂和有机金属化合物作为柴油添加剂降低柴油机碳烟排放的规律进行了试验研究。
It contains no gasoline distillate but its diesel yield and cetane number index are high relatively. 由于该原油无汽油馏分,但柴油馏分收率较高且其十六烷值指数较高。
The effects of cetane number changes on the emission characteristics are also ( investigated), we can conclude that emissions of NO_x will increase slowly with improvement of cetane number, and there is a best number of it to the smoke emissions and economy property. 此外考察了随着十六烷值的变化对混合燃料的排放特性的影响,得出随着十六烷值的增加,NOx排放逐渐增加,对烟度和经济性存在一个最佳值。
Unsaturation in the fatty acid chain is the most significant factor causing lower cetane number. 脂肪酸链中的不饱和键是导致CN下降的最重要因素。
The process is discussed to prepare cetane number LH& 91 type improver of diesel fuel, and the affection of raw material ratio, reaction temperature to the product purity and yield is inspected. 本文讨论了研制和生产LH&91型柴油十六烷值改进剂的工艺条件。考查了原料配比、反应温度对产物纯度及收率的影响。
Based on the performance of diesel fuels in diesel engine, the cetane number was predicted by the determination of autoignition temperature. 本文根据柴油发动机中燃料的工作特性,采用自燃点的方法预测十六烷值。
The octane number of gasoline and cetane number of diesel was slightly affected. 汽油辛烷值和柴油十六烷值变化不大,柴油实际胶质降低。
The cetane number of diesel fuel was increased. 柴油十六烷值增加。
Deepening the hydrocracking conversion favoured high cetane number of the diesel product. 提高加氢裂化深度,有利于提高柴油产品的十六烷值。
The results showed that the MCI can not only keep higher gas oil yield, achieve the refining results that conventional hydrotreating unit achieves, but also increase greatly the cetane number ( about 10 units) of diesel, upgrading diesel quality overall. 结果表明,MCI在保持较高柴油收率的情况下,既可达到常规加氢装置的精制效果,又可较大幅度地提高柴油的十六烷值(约10个单位),全面提高柴油质量。
The results indicate that the operation region of HCCI engine can be extended by using DME with a high cetane number and CNG with a high octane number. 结果表明,采用高十六烷值燃料二甲基醚和高辛烷值燃料天然气,可以拓宽均质压燃的运行工况范围。
The problem of low cetane number produced in this combination could be solved by blending. 通过调和可解决柴油十六烷值低的问题;
Prediction of cetane number and density of diesel fuel from its hydrocarbon groups 用柴油的烃族组成预测十六烷值和密度
We developed a Chinese type light diesel fuel of low cetane number named diesel fuel type A, of which the properties and process of development are presented in this paper. 我们研制了一种中国式的低十六烷值轻柴油,称之为A柴油;并介绍了A柴油的研制过程及其特点。
Effects of self-developed c-RONO 2 diesel fuel cetane number improver on ignition and combustion process of engine have been analyzed by comparing the measured heat release rates between the base fuel and additive-fuel blend. 通过基础油和加剂油实测放热规律的对比,就自行研制的c-RONO2柴油十六烷值改进剂对柴油机着火和燃烧过程的影响进行了深入的分析。
Problems of phase separation and lower cetane number were investigated for the application of E-diesel fuel blends, and an additive compound was proposed. 文章就柴油醇在应用中存在的相分离和十六烷值低等问题提出了一种复合添加剂,它主要由醇、醚和酯等成分构成。
Because of the high cetane number of DME and high octane number of methanol, vehicle engines fueled with pure DME or methanol alone tend to encounter the decreased operating range, incomplete combustion, knocking and other problems. 甲醇和DME分别属于高辛烷值和高十六烷值的燃料,将其作为单一燃料使用时往往会导致发动机工作负荷范围变窄、燃烧不充分和爆震等问题。
Dimethyl ether ( DME) is a new chemical intermediate and ideal clean fuel which can substitute diesel fuel and liquefied petroleum gas for for its high cetane number and environmentally benign properties. 二甲醚(DME)作为一种新型的清洁能源和化工原料,是替代柴油和液化石油气的理想燃料。
The main properties ( density, kinematic viscosity, heat value, flash point, acid value and cetane number) of the obtained biodiesel products accord with the current American and Chinese biodiesel standards and can be used as fuel of diesel engine. 自制生物柴油产品主要性能指标(密度、运动粘度、热值、闪点、酸值和十六烷值)符合现行的美国和我国生物柴油标准要求,可作为柴油发动机燃料使用。