搜索结果: 16-30 共查到“工学 biodiesel”相关记录40条 . 查询时间(0.092 秒)
TECHNICAL ASPECTS OF BIODIESEL PRODUCTION FROM VEGETABLE OILS
rice bran oil methyl ester jatropha methyl ester esterification
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2009/10/14
Biodiesel, a promising substitute as an alternative fuel has gained significant attention due to the finite nature of fossil energy sources and does not produce sulfur oxides and minimize the soot par...
SPONTANEOUS IGNITION OF BIODIESEL: A POTENTIAL FIRE RISK
biodiesel spontaneous ignition fire
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2009/10/14
The spontaneous ignition of biodiesel was for the first time suspected to be the cause of a recent fire in Japan. We herein present experimental evidence implying this potential risk of biodiesel. Thu...
NEW ENGINE METHOD FOR BIODIESEL CETANE NUMBER TESTING
auto-ignition biodiesel cetane number
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2009/10/14
Substitution of fossil fuels with fuels that come from part renewable sources has been a subject of many studies and researches in the past decade. Considering the higher cost and limits of production...
OXIDATION STABILITY AND RISK EVALUATION OF BIODIESEL
biodiesel oxidation stability thermal stability
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2009/10/14
This review describes oxidation and thermal stability and hazardous possibility of biodiesel by auto-oxidation. As it can be distributed using today's infrastructure biodisel production has increased ...
Excess Methanol Recovery in Biodiesel Production Process Using a Distillation Column: A Simulation Study
Biodiesel Methanol Recovery Distillation Simulation ASPEN PLUS
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2010/9/14
This paper presents an ASPEN PLUSTM simulation study for excess methanol recovery in continuous biodiesel production process using a distillation column. The feedstock used for biodiesel production wa...
Experimental Performance Analysis of Biodiesel,Traditional Diesel and Biodiesel with Glycerine
Alternative fuel Diesel engine Performance Biodiesel Glycerine
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2009/10/10
Biodiesel, traditional Diesel and biodiesel with glycerine were used as the fuel of a direct injection compression ignition engine. The torque, brake power and fuel consumption values associated with ...
共轨柴油机燃用生物柴油限制与非限制排放特性（Characteristics of Regulated and Unregulated Emissions of Biodiesel Blends in a Common Rail Diesel Engine）
生物柴油 高压共轨柴油机 排放特性
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2009/9/2
在高压共轨柴油机上对生物柴油混合燃料（源自食用废油）的排放物进行了研究。结果表明，限制性气体排放中，随着生物柴油混合比例的增加，NOx的排放量明显升高，同时在氧化催化器后NOx中的NO2体积分数也逐步增大；烟度则随着燃料混合比例的增加呈线性下降。非限制性气体排放中，外特性工况下的生物柴油混合燃料的乙醛排放量随混合比的增加而降低；SO2气体排放量也随着燃料混合比例的增加逐步下降，纯生物柴油可降低20...
甲醇柴油与生物柴油微粒排放粒径分布特性（Particle Size Distribution of Particulate Matter Emission from the Diesel Engine Burning Methanol-diesel Fuel and Biodiesel）
柴油机 甲醇柴油 生物柴油 微粒
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2009/9/2
以石化柴油为参照，在发动机台架上，采用电子低压冲击仪及其附带的两级稀释系统测试了燃用柴油、甲醇柴油和生物柴油排放的不同粒径微粒的数量浓度、体积浓度，分析了发动机转速、负荷以及燃油种类对微粒粒径分布的影响。试验证明：在外特性下，柴油、甲醇柴油排放的微粒数量浓度随转速增大而增加，生物柴油排放的微粒数量浓度随转速没有明显变化规律；在2300r/min，生物柴油和柴油随负荷的减小排放的微粒数量浓度增加；标...
Development of Biodiesel Production Technology from Waste Cooking Oil with Calcium Oxide as Solid Base Catalyst
Biodiesel Solid base catalyst Calcium oxide Waste cooking oil
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2009/8/4
Waste cooking oils were investigated as the raw material for biodiesel production using calcium oxide as the solid base catalyst in refluxing methanol. Edible soybean oil and waste cooking oil from r...
Effect of Biodiesel on the Lubricity of Kerosene and Gas Oil for Use in the Diesel Engine
Biodiesel Lubricity Gas oil Kerosene
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2009/7/24
The effect of biodiesel on the lubricity of kerosene and gas oil for use in the diesel engine was examined. The lubricity was drastically improved by blending small amounts of biodiesel. Amounts of 1...
Carbonyls Emission Comparison of a Turbocharged Diesel Engine Fuelled with Diesel, Biodiesel, and Biodiesel-Diesel Blend
Turbocharged Engine Direct Injection Biodiesel Unregulated Emissions
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2010/1/15
In order to characterize the carbonyls emissions from a turbocharged, direct injection, and intercooled compression ignition
engine, an experimental study was conducted using diesel, biodiesel, and 2...
生物柴油的K2CO3负载水滑石催化制备工艺（Preparation Technology of Biodiesel Using K2CO3 Loaded Hydrotalcite Catalyst）
生物柴油 固体碱催化剂 K2CO3
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2009/5/22
采用浸渍法制备K2CO3负载水滑石生物柴油催化剂，确定制备条件为：K2CO3负载量20%、共混温度80℃、焙烧温度600℃、焙烧时间6h。用该催化剂催化菜籽油转酯化制备生物柴油，考察了反应时间、醇油比、催化剂用量及反应温度对反应转化率的影响，采用气相色谱测定了脂肪酸甲酯的转化率。通过单因素试验确定了菜籽油转酯化反应的条件为：反应温度60℃，醇油比12，反应时间60min，催化剂用量4%，转化率达9...
Effects of Biodiesel Blending on Particulate and Polycyclic Aromatic Hydrocarbon Emissions in Nano/Ultrafine/Fine/Coarse Ranges from Diesel Engine
Size distribution Diesel engine Engine dynamometer Emission factor PAH corresponding carcinogenity
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2016/3/29
The influences of different blending percentages of biodiesel on the size distributions of particulate
matter (PM) and polycyclic aromatic hydrocarbons (PAHs) are not well known. In this study,
comm...
废煎炸油制生物柴油全生命周期分析（Life Cycle Assessment of Biodiesel Made of Residual Frying Oil）
废煎炸油 生物柴油 生命周期评价 能源消耗 排放
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2010/2/26
运用生命周期评价方法对一种以废煎炸油为原料制取的生物柴油生命周期能耗和排放进行了分析，并将其全生命周期各项指标与传统柴油路线进行了对比，结果显示其化石能源消耗比柴油减少了65.7%，石油消耗较柴油全生命周期减少91.8%，常规排放也都明显降低，温室气体排放中CO2 排放下降88.1%，总的温室气体排放按全球变暖潜值折算后下降86.6%。表明废煎炸油制生物柴油是符合循环经济的环境友好型代用燃料。 T...
Esterification of Oleic Acid for Biodiesel Production Catalyzed by SnCl2: A Kinetic Investigation
Tin chloride catalyst Biodiesel free fatty acids ethanolysis
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2008/10/27
The production of biodiesel from low-cost raw materials which generally contain high amounts of free fatty acids (FFAs) is a valuable alternative that would make their production costs more competitiv...