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什么是白油
文章作者:admin 上传更新:2019年10月12日

白油别名石蜡油、白色油、矿物油,是由石油所得精炼液态烃的混合物,主要为饱和的环烷烃与链烷烃混合物,原油经常压和减压分馏、溶剂抽提和脱蜡,加氢精制而得。矿物油 通常是指经过开采和初加工的原油(或石油),石油是埋藏于地下的天然矿产物,经过勘探、开采出的未经炼制的石油也叫做原油。在常温下,原油经过炼制后的成品叫做石油产品。依据习惯,把通过物理蒸馏方法从石油中提炼出的基础油称为矿物油基础油。提炼加工过程主要是将原油分成不同的部分以得到所需产品。主要的分离过程包括将原油分离成粗汽油、粗煤油、粗柴油、重柴油、各种润滑油馏分、裂化原料油及渣油(又称残油)的蒸馏分离和将各种润滑油提纯所使用的溶剂分离。生产过程基本以物理过程为主,不改变烃类结构,生产的基础油取决于原料中理想组分的含量与性质;矿物油在提炼过程中因无法将所含的杂质清除干净,因此得到的基础油流动点较高,不适合寒带作业使用;因此,矿物油类基础油在性质上受到一定限制。矿物油有些领域叫白矿油或白油,常用的有工业级白油、化妆品级白油、医用级白油、食品级白油等。不同的类别的白油在用途上也有所不同。


Alias paraffin oil, white oil and mineral oil are mixtures of refined liquid hydrocarbons obtained from petroleum, mainly saturated naphthenes and alkanes. Crude oil is obtained by regular and vacuum fractionation, solvent extraction and dewaxing, and hydrorefining. Mineral oil usually refers to crude oil (or oil) which has been exploited and preliminarily processed. Oil is a natural mineral product buried underground. The unrefined oil which has been explored and exploited is also called crude oil. At room temperature, the refined products of crude oil are called petroleum products. According to custom, the base oil extracted from petroleum by physical distillation method is called mineral oil base oil. The refining process mainly divides crude oil into different parts to obtain the required products. The main separation processes include the distillation and separation of crude oil into crude gasoline, crude kerosene, crude diesel oil, heavy diesel oil, various lubricant fractions, cracking feed oil and residual oil (also known as residual oil) and the solvent separation used for the purification of various lubricating oils. The production process is mainly physical process, and does not change the hydrocarbon structure. The base oil produced depends on the content and properties of the ideal components in the raw materials. Because the impurities contained in the mineral oil can not be cleaned up during the refining process, the flow point of the base oil obtained is higher and it is not suitable for cold zone operation. Therefore, the nature of the base oil of mineral oil is limited to a certain extent. Mineral oil is called white mineral oil or white oil in some fields. Commonly used are industrial grade white oil, cosmetic grade white oil, medical grade white oil, food grade white oil and so on. Different types of white oil have different uses.


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