煤炭合成尼龙66工艺流程
英文回答:
Coal is a widely used energy source in many countries, and it can also be used as a raw material in various industries. One such industry is the production of nylon 66, a type of synthetic polymer that has numerous applications. The process of synthesizing nylon 66 from coal involves several steps.
Firstly, coal is subjected to a process called coal gasification. In this process, coal is heated in the absence of air to produce a mixture of gases, primarily carbon monoxide and hydrogen. This gas mixture, known as synthesis gas or syngas, is an important intermediate in the production of various chemicals, including nylon 66.
Next, the syngas is converted into adipic acid, which is a key component in the production of nylon 66. Adipic acid can be synthesized through several different methods, but one common approach is the oxidation of cyclohexane. Cyclohexane can be obtained by hydroge
nation of benzene, which in turn is derived from the syngas produced during coal gasification. The oxidation of cyclohexane involves the use of nitric acid, which reacts with the cyclohexane to form adipic acid.
react to中文翻译 After the adipic acid is obtained, it is combined with hexamethylenediamine, another key component in nylon 66 production. Hexamethylenediamine is a diamine compound that is commonly derived from adiponitrile, which is obtained from butadiene. Butadiene, in turn, can be produced from the syngas obtained during coal gasification. The combination of adipic acid and hexamethylenediamine forms a polyamide, which is then polymerized to produce nylon 66.
Once the nylon 66 is formed, it can be processed into various products, such as fibers, films, and plastics. These products have a wide range of applications, including in the textile, automotive, and electrical industries.
中文回答:
煤炭是许多国家广泛使用的能源来源,也可以作为各种行业的原材料之一。其中一个行业就是尼龙66的生产,这是一种合成聚合物,具有许多应用。从煤炭合成尼龙66的过程包括几个步骤。
首先,煤炭经过煤气化过程。在这个过程中,煤炭在没有空气的情况下加热,产生一种气体混合物,主要是一氧化碳和氢气。这种气体混合物被称为合成气或合成气体,是生产各种化学品(包括尼龙66)的重要中间体。
接下来,合成气被转化为己二酸,这是尼龙66生产的关键组成部分。己二酸可以通过几种不同的方法合成,但常见的方法是对环己烷进行氧化。环己烷可以通过苯的加氢得到,而苯则是从煤气化过程中获得的合成气产生的。环己烷的氧化涉及使用硝酸,它与环己烷反应形成己二酸。
获得己二酸后,它与己六胺(尼龙66生产的另一个关键组成部分)结合。己六胺是一种二胺化合物,通常由己二腈得到,而己二腈则是从丁二烯获得的。丁二烯又可以从煤气化过程中获得的合成气生成。己二酸和己六胺的结合形成聚酰胺,然后聚合形成尼龙66。
一旦尼龙66形成,它可以加工成各种产品,如纤维、薄膜和塑料。这些产品具有广泛的应用,包括纺织、汽车和电气行业等。
翻译完毕。
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