十六烷值

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。

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 .

提高柴油十六烷值RICH工艺技术的工业应用

Commercial application of rich technology for improving LCO cetane number

对于CO排放及消光烟度，十六烷值存在一个最佳值。

To improve the CO and opacity smoke emissions , the fuel cetane number exists an optimum .

硝酸环己酯是一种有效的柴油十六烷值改进剂。pH值为11；

Cyclohexyl nitrate is an effective cetane number improver for diesel oil . the pH value should be controlled between 10 and 12 ;

生物柴油（FAME）具有良好的环保性、可再生性，十六烷值高等优点，是石化柴油优良的替代品。

Biodiesel is an excellent substitute of diesel because of its good environmental and reproducible benefits and high cetane content .

MCI（最大限度提高十六烷值）工艺是一种改善劣质柴油馏分（如催化裂化柴油及其它高芳烃含量柴油）的加氢改质新工艺。

MCI is a novel hydrotreating process for upgrading low quality diesel distillates , such as LCO from FCC and resid FCC .

采用具有相同十六烷值、挥发性好的燃料，可有效改善冷态增负荷工况下的燃烧，降低HC排放。

Combustion was improved and HC emission was reduced at cold modes sudden loading operation conditions by using better volatile fuel with the same cetane number .

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。

The results show that the fuel cetane number and engine exhaust smoke decrease and engine thermal efficiency improves with adding DMC in diesel fuel .

介绍了最大限度提高十六烷值的劣质催化裂化柴油加氢改质技术（MaxCetaneImprovement，即MCI）在吉林化学工业公司炼油厂柴油加氢精制装置上的首次工业应用情况。

The first commercial application of MCI ( Max Cetane Improvement ) in gas oil hydrofining unit in the refinery of Jilin Chemical Industrial Company was introduced .

结果发现，高辛烷值燃料异辛烷和高十六烷值燃料正庚烷的混合能够有效控制HCCI燃烧相位和燃烧程度。

The simulation suggested that the mixing with high-cetane fuel and high-octane fuel can influence the combustion phase and cylinder pressure in HCCI combustion .

由于具有较高的十六烷值、燃烧性能好、污染小、安全方便等特点，二甲醚成为本世纪最有希望的LPG替代燃料，日益引起人们的重视。

With the characteristics of higher cetane number , good combustibility , little environmental pollution , safety , convenience and so on , dimethyl becomes the most promising alternative of liquefied petroleum gas and attracts the attention gradually .

为克服MLR与PLS等线性校正方法的局限性，本文将最小二乘支持向量机（LS-SVM）算法用于近红外光谱的定量校正，并以一批柴油十六烷值样品数据为例对以上方法进行了比较。

To overcome the disadvantages of the linear calibration methods such as MLR and PLS , least-squares support vector machine ( LS-SVM ) is introduced to NIR quantitative calibration in this thesis .

用于测量汽油的抗爆指数（AKI）、研究法的辛烷值（RON）以及动力法的辛烷值（MON），也可适用于柴油的十六烷值分析。

Determines the Pump Octane Number ( AKI ), Research Octane Number ( RON ), Motor Octane Number ( MON ) of unleaded gasolines , optional Cetane IndexCetane Number for diesel fuels .

NT-11柴油十六烷值增进剂的添加性能及作用机理

Performance of cetane number improver NT-11 and its reaction mechanism

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。

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 .

CT-878柴油十六烷值改进剂

Performance of type ct-878 cetane improver

应用加氢精制MCI组合工艺加工FCC柴油，柴油硫含量可降至50μg/g以下，十六烷值提高8～12个单位，柴油收率达95%～98%；

When FCC LCO is processed by hydrofining MCI , its sulfur content can be reduced below 50 μ g / g , cetane number can be increased by 8 ~ 12 units and the diesel yield can reach 95 % ~ 98 % ;

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。

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 .

研究表明，DME的十六烷值高，非常适合作为柴油机的代用燃料，而且它能实现洁净燃烧，有望满足未来严格的柴油机排放法规。

It is showed by research that its cetane value is so high that DME is perfectly suitable to be alternative fuel of diesel engine , and it is hopeful meeting the future stringent emission regulation of diesel engine because of its clean combustion .

作为一种新型的代用燃料，天然气合成油（GTL）具有高十六烷值、无硫及低芳烃含量等独特性质，具有降低排放的潜力。

As a new alternative , Gas-to-Liquid fuel ( GTL ) has special properties with high cetane number , nearly zero sulfur and low aromatics contents , which indicates lower emissions for internal combustion engines than conventional diesel fuel .

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 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 .

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。

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 .

3905的轻油产率高、裂环选择性好，可以得到芳烃潜含量高的重石脑油、BMCI值低的尾油和十六烷值较高的柴油；

3905 catalyst , characterized by high yield of light oils and excellent selectivity for ring breaking , can be used for producing naphtha with high potential aromatic content , tail oil with low BMCI value , and diesel fuel of high cetane number .

用拓扑指数法预测柴油中烃类的十六烷值

Prediction of cetane number of hydrocarbons in diesel oil by using

对生物柴油的十六烷值改进进行了研究。

Cetane value of bio-diesel was improved by adding the improver .

由折射率预测柴油的十六烷值

Prediction for the cetane number of diesel fuels from refractive index

十六烷值改进剂对柴油/甲醇混合燃料燃烧特性的影响

Effect of Cetane Number Improver on Combustion Characteristics of Diesel-Methanol Blend

提高催化柴油十六烷值工艺开发

Process for increasing cetane number and decreasing density of catalytic diesel oil

柴油十六烷值对发动机性能的影响

The Effects of Fuel Cetane Number on Performances of Engine

低十六烷值燃料在内燃机中燃烧的初步探讨

The Preliminary Discussion of Combustion in Internal-combustion-engine with Fuel of Low Cetane Number