摘要
随着全球能源消耗加剧,有限的石化燃料已难以满足人们对能源的需求;而汽车保有量却不断增加,使得车辆向大气中排出的有害污染物急剧增加,这对内燃机行业发展提出了新的要求和挑战。因此,各国从能源安全和环保的角度出发,开始寻找新型燃烧模式,实现内燃机的高效清洁燃烧。酯类含氧燃料作为石化燃料的替代品或添加剂,在燃烧过程中,可提供额外的氧,能使燃料进行充分燃烧,改善燃料物化性质,达到降低有害物质排放、提高燃烧性能的目的,故开发新型酯类含氧燃料有着环保和缓解对石化燃料依赖的双重意义。该研究对生物柴油、长链脂肪酸醚基酯、碳酸酯类、醚酯类、乙酰丙酸酯类清洁含氧燃料的理化性质、排放特性以及在内燃机上的应用进行了讨论,分析酯类含氧燃料的优缺点,并指出酯类含氧燃料应用趋势以及未来研究建议。
With the aggravation of global energy consumption,the limited petrochemical fuel has been difficult to meet people's demand for energy,while the number of vehicles is increasing,which makes the harmful pollutants emitted by vehicles to the atmosphere increase sharply.In order to strictly control the environmental pollution caused by vehicle exhaust emissions,countries around the world have issued increasingly stringent emission standards in recent years.The legislative goal of these emission regulations is to strictly control the emission pollutants including carbon monoxide,hydrocarbons,nitrogen oxides,and soot particles.Therefore,with the increasingly stringent emission standards for motor vehicles,many scholars at home and abroad have paid close attention to new alternative fuels for motor vehicles,including oxygenated fuels.From the perspective of energy security and environmental protection,countries have begun to look for new combustion modes to realize efficient and clean combustion of internal combustion engines.As a substitute or additive of petrochemical fuel,ester oxygenated fuel can provide additional oxygen during combustion,which is helpful to solve the problems of low air pressure and insufficient air intake encountered by motor vehicles in plateau areas.At the same time,it can fully burn the fuel,improve the physicochemical properties of the fuel,and reduce the emissions of air pollution such as carbon monoxide,hydrocarbons and soot particles,so as to reduce the emissions of harmful substances and improve the combustion performance.Therefore,the development of new ester oxygenated fuel has the dual significance of environmental protection and alleviating the dependence on petrochemical fuel.In this paper,the physicochemical properties,emission characteristics and application in internal combustion engines of biodiesel,long chain fatty acid ether ester,carbonate,ether ester and levulinic acid ester clean oxygenated fuels were discussed,the advantages and disadvantages of ester oxygenated fuels were analyzed,and the application trend and future research suggestions of ester oxygenated fuels were pointed out.
作者
苗长林
李吾环
吕鹏梅
谭雪松
李惠文
庄新姝
Miao Changlin;Li Wuhuan;Lyu Pengmei;Tan Xuesong;Li Huiwen;Zhuang Xinshu(Guangzhou Institute of Energy Conversion,Chinese Academy of Sciences,Key Laboratory of Renewable Energy,Chinese Academy of Sciences,Guangdong Key Laboratory of New and Renewable Energy Research and Development,Guangzhou 510640,China)
出处
《农业工程学报》
EI
CAS
CSCD
北大核心
2021年第11期197-205,共9页
Transactions of the Chinese Society of Agricultural Engineering
基金
广东省重点领域研发计划项目(2020B0101070001)
国家重点研发计划(2019YFB1504003)。
关键词
燃料
生物柴油
醚酯
脂肪酸酯
fuels
biodiesel
ether ester
fatty acid ester
