生物柴油-粗甘油 工艺流程 英文版
废动物油生产生物柴油工艺流程
废动物油生产生物柴油工艺流程英文回答：Animal fat is a valuable feedstock for biodiesel production. It contains high levels of triglycerides, which can be converted into fatty acid methyl esters (FAMEs) through transesterification. The process of converting waste animal fat into biodiesel involves the following steps:1. Pretreatment.Waste animal fat is typically collected from slaughterhouses or restaurants. It may contain impurities such as meat scraps, bones, and water. The first step in the process is to pretreat the fat to remove these impurities. This can be done by heating the fat to melt it and then filtering it to remove solids.2. Transesterification.The transesterification process involves reacting the triglycerides in the fat with an alcohol, such as methanol or ethanol. This reaction is catalyzed by a base, such as sodium hydroxide or potassium hydroxide. The products of the transesterification reaction are FAMEs and glycerol.3. Separation.After the transesterification reaction is complete, the FAMEs and glycerol are separated from each other. This can be done by gravity separation or by using a centrifuge.4. Washing.The FAMEs are washed with water to remove any remaining impurities. This can be done by mixing the FAMEs with water and then allowing the mixture to settle. The FAMEs will float to the top of the mixture, and the water will sink to the bottom.5. Drying.The FAMEs are dried to remove any remaining water. This can be done by heating the FAMEs or by using a vacuum dryer.6. Storage.The FAMEs are stored in a cool, dry place until theyare ready to be used.中文回答：废动物油生产生物柴油工艺流程。
家中如何自制生物柴油（便宜）~中英文对照，可以只看中文
家中如何自制生物柴油（便宜）--中英文对照，可以只看中文看题大家可以很容易的就看出自制生物柴油，应该是一项利国利民的社会化家庭化科技，我们如果能在家利用生物生产柴油，那么我国对石油的需求将会大大降低，从而降低了国产对进口石油的依赖，环节了国内的石油市场。
对国的发展也将起到重大贡献。
Dave Hubbard makes biodiesel from restaurant grease for $0.50 a gallon. 戴夫哈伯德餐厅油脂生产从0.50美元每加仑生物柴油。
对于戴夫哈伯德，是使生物柴油在暮色下开始在西弗吉尼亚州，在农村小酒馆后面一周的食用油价值的55加仑桶坐在老核桃树的过程。
I meet my uncle here on a Sunday evening so that I can see how the oil gets from the drum to the tank of his black Jetta—plus those of a motorcycle, bulldozers, and tractors for five local farms and a tree nursery—all for the low cost of 50 cents a gallon.我见到我的叔叔在这里周日的夜晚，这样我可以看到石油从鼓到他的黑色捷达坦克，加上摩托车，推土机，以及照顾五个本地农场和苗圃，为获取所有拖拉机在每加仑50美分，成本低。
With the full drum secured to a homemade steel hitch on Uncle Dave's car, and an empty in its place under the tree, we drive the few miles back to his workshop.由于对担保鼓上的一个叔叔戴夫的汽车国产钢顺利，并在其置于树空的，我们推动回到自己的车间只有几英里。
生物柴油的加工工艺流程
生物柴油的加工工艺流程Biodiesel production involves a complex process that requires careful attention to detail and proper equipment to ensure a high-quality final product. The first step in the production process is obtaining the raw materials needed to make biodiesel, which typically include vegetable oils, animal fats, or recycled cooking grease. These raw materials must undergo a thorough cleaning and filtering process to remove impurities before being used in the production of biodiesel.制造生物柴油是一项涉及到复杂流程的工作，需要严谨细致以及适当的设备来确保最终产品的高质量。
生物柴油生产过程中的第一步是获取制造生物柴油所需的原材料，这些原材料通常包括植物油、动物脂肪或者回收的食用油脂。
这些原材料必须经过彻底的清洁和过滤过程，以去除杂质，以便用于生产生物柴油。
Once the raw materials have been cleaned and filtered, they are then mixed with an alcohol, typically methanol or ethanol, and a catalyst, such as sodium hydroxide or potassium hydroxide, in a process known as transesterification. During transesterification, the alcohol reacts with the raw materials in the presence of the catalyst to breakdown the molecules and form biodiesel and glycerin as byproducts. This chemical reaction is crucial for transforming the raw materials into a usable fuel source that can be used in diesel engines.一旦原材料经过清洁和过滤，接下来就会将它们与一种醇类，通常是甲醇或乙醇，以及一种催化剂，例如氢氧化钠或氢氧化钾，混合在一起，进行一种被称为酯交换反应的过程。
植物柴油生产工艺流程
植物柴油生产工艺流程Producing plant-based biodiesel is an important process in the sustainable energy industry. It helps to reduce the reliance on fossil fuels and decrease greenhouse gas emissions. The process involves extracting oil from various plants such as soybeans, rapeseed, and palm, and then converting it into biodiesel through a chemical reaction called transesterification. This biodiesel can be used in diesel engines without any modifications, making it a cleaner alternative fuel source.通过植物柴油的生产工艺流程，我们能够降低对化石燃料的依赖，并减少温室气体排放。
这个过程涉及从大豆、油菜籽和棕榈等多种植物中提取油脂，然后通过一种叫做酯交换反应的化学反应将其转化为生物柴油。
这种生物柴油可以直接用于柴油发动机，而无需进行任何修改，是一种更清洁的替代燃料来源。
One of the main steps in the plant-based biodiesel production process is the extraction of oil from the plant feedstock. This can be done using mechanical pressing or solvent extraction methods. Mechanical pressing involves crushing the seeds or fruits to releasethe oil, while solvent extraction uses chemicals to dissolve the oil from the plant material. Both methods have their advantages and disadvantages, with mechanical pressing being less energy-intensive but solvent extraction yielding higher oil extraction rates.在植物柴油生产过程中的一个主要步骤是从植物原料中提取油脂。
利用生物质产酒精的方法及常见工艺流程英文
利用生物质产酒精的方法及常见工艺流程英文Utilizing Biomass to Produce Ethanol: Processes and TechniquesEthanol production from biomass has become an increasingly important topic in the pursuit of renewable and sustainable energy sources. Biomass, derived from organic matter such as agricultural waste, forestry residues, and dedicated energy crops, offers a promising alternative to fossil fuels. The process of converting biomass into ethanol, a clean-burning and versatile biofuel, involves several key steps that optimize the efficiency and yield of the final product.The first crucial step in the biomass-to-ethanol process is the pretreatment of the raw material. This step aims to break down the complex lignocellulosic structure of the biomass, making the cellulose and hemicellulose components more accessible for subsequent enzymatic hydrolysis. Various pretreatment methods have been developed, including physical, chemical, and biological approaches, each with its own advantages and disadvantages. Physical pretreatment, such as milling or grinding, can reduce theparticle size and increase the surface area of the biomass, while chemical pretreatment, using acids or alkalis, can disrupt the lignin-carbohydrate matrix. Biological pretreatment, utilizing enzymes or microorganisms, can selectively degrade the lignin component, further enhancing the accessibility of the cellulose and hemicellulose.Following the pretreatment stage, the next step is the hydrolysis of the cellulose and hemicellulose fractions into their constituent monosaccharides, primarily glucose and xylose. This process can be carried out using either enzymatic hydrolysis or acid hydrolysis. Enzymatic hydrolysis involves the use of cellulase and hemicellulase enzymes, produced by specialized microorganisms, to break down the polysaccharides into fermentable sugars. Acid hydrolysis, on the other hand, utilizes strong acids, such as sulfuric acid or hydrochloric acid, to catalyze the breakdown of the carbohydrates.The fermentation stage is where the monosaccharides obtained from the hydrolysis process are converted into ethanol by specialized microorganisms, typically yeasts or bacteria. The most commonly used yeast strain for ethanol fermentation is Saccharomyces cerevisiae, which can efficiently convert glucose into ethanol and carbon dioxide. Other microorganisms, such as Zymomonas mobilis or genetically engineered strains, have also been explored for their ability to ferment a wider range of sugars, including xylose, and potentially improve the overall ethanol yield.Following fermentation, the next step is the separation and purification of the ethanol. This is typically done through distillation, where the ethanol-water mixture is heated, and the ethanol vapor is condensed and collected, leaving behind the water and other impurities. Advanced techniques, such as membrane separation or adsorption, can further refine the ethanol to increase its purity and concentration.Finally, the purified ethanol can be used as a transportation fuel, either in its pure form or blended with gasoline, or as a feedstock for various chemical and industrial applications. The use of biomass-derived ethanol can significantly reduce greenhouse gas emissions compared to the use of fossil fuels, contributing to the overall sustainability and environmental benefits of this renewable energy source.In conclusion, the process of utilizing biomass to produce ethanol involves a series of carefully optimized steps, including pretreatment, hydrolysis, fermentation, and purification. Each of these steps plays a crucial role in maximizing the efficiency and yield of the final ethanol product, making it a viable and promising alternative to traditional fossil fuels.。
生物柴油副产粗甘油的规模利用途径
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生 物 柴 油 副 产 粗 甘 油 的 规 模 利 用 途 径
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生物柴油是指以各种植物油脂 、动物油 脂或Ｔ程 微藻油脂 及其反应产物通过直接使 用或 添加的方式 ，替代石化 柴油 的一
种 再 生 性 柴 油 燃 料 。 目前 生物 柴 油 主要 是通 过 醇 解 （ 甲醇 或 乙
甘油而言 ，精甘油市场则相对 比较稳定 ，但要将粗 甘油进 一步 精制为高纯甘油 ，则需 经过减压蒸馏 ，以避免 蒸馏温度 过高造 成甘油分解和聚合 ，该过程能耗巨大 ，且无法 避免甘油 发生副 反应而造成蒸馏设备结焦。工业 上另一种制取 高纯甘油 的‘ Ｔ 艺 是离子交换法 ，离子交换法操作难度 较低 ，能耗也 小 ，但对处 理有 害杂质过多的工业甘油时 ，会造成离子交 换树脂使 用寿命 缩短 的问题 。杨运财等的实验结果表 明，两种 方法甘油 的收率 都低 于 ９ ０ ％Ｅ ２ ］
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生物柴油的加工工艺流程
生物柴油的加工工艺流程英文回答：Biodiesel is a renewable and environmentally friendly alternative to traditional diesel fuel. It is produced through a process called transesterification, which involves reacting vegetable oils or animal fats with an alcohol, usually methanol, in the presence of a catalyst, such as sodium hydroxide or potassium hydroxide.The first step in the biodiesel production process is the pretreatment of the feedstock, which can be either vegetable oil or animal fat. This involves removing any impurities, such as water, free fatty acids, and solid particles. The feedstock is then heated to reduce its viscosity and increase its reactivity.Once the feedstock is pretreated, it is mixed with methanol and a catalyst in a reactor. The catalyst helps to speed up the reaction and increase the yield of biodiesel.The mixture is typically heated and stirred for several hours to ensure complete conversion of the triglycerides in the feedstock to methyl esters, which are the main component of biodiesel.After the reaction is complete, the mixture is allowed to settle, and the biodiesel layer is separated from the glycerin layer. The glycerin, a byproduct of the transesterification process, can be further processed for other uses, such as in the production of soaps and cosmetics.The separated biodiesel is then washed to remove any remaining impurities, such as catalyst residues and soap. This is typically done by mixing the biodiesel with water and allowing the impurities to settle out. The water is then drained off, and the biodiesel is dried to remove any remaining moisture.The final step in the biodiesel production process is the quality control and testing. The biodiesel is testedfor various parameters, such as viscosity, flash point, andacid value, to ensure that it meets the required specifications. If necessary, adjustments can be made to the production process to improve the quality of the biodiesel.Overall, the process of producing biodiesel involves several steps, including pretreatment of the feedstock, transesterification, separation of biodiesel and glycerin, washing, drying, and quality control. It is a complex process that requires careful attention to detail to ensure the production of high-quality biodiesel.中文回答：生物柴油是一种可再生和环保的替代传统柴油燃料的选择。
生物柴油生产过程中粗甘油的预处理
生物柴油生产过程中粗甘油的预处理罗敏健，叶活动，罗丹明，陈文敏，徐芳敏，丘莉清(龙岩卓越新能源股份有限公司，福建 龙岩 364000)Pretreatment of Crude Glycerine Generated inthe Process of Production of BiodieselLuo Minjian, Ye Huodong, Luo Danming, Chen Wenmin, Xu Fangmin, Qiu Liqi n g(Longyan Zhuoyue New Energy Co., Ltd., Longyan 364000, Chin a )Abstract: Crude glycerine generated in the process of production of biodiesel was treat ed by vacuum deal coholization, acidi f i cation, dilution, neutralization, and would meet the quality requirements in industrial glycerol production. The results indicate that methanol content decreased below 0.4 % when crude glycerine was heated 1 hour in -0.07~-0.08 MPa vacuum degree and 80 ℃; Crude glycerine volume percent age reach 61 % with 50 % sulf uric acid acidi f ication to pH=4. Biodiesel and glyce were separat ed well when 50 g crude glycerol was diluted with 15 mL water. Af ter treated by vacuum distillation, deodorization, and decoloring, it will meet the quality requirements of industrial glycerol standard.Keywords: biodiesel ；glycerine ；separation ；treatment生物柴油是以动植物油、废弃动植物油(如地沟油)、植物酸化 油等为原料，通过甲酯化等工艺制成的可替代石化柴油的可再生燃 料，它具有优良环保性、安全性、燃烧性、再生性等特点，最近几 年在国内外得到快速发展。