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甲酸常见问题讲解

来源:http://www.jnjdbc.cn/ 日期:2020-07-30 发布人:guanli
  甲酸(HCOOH)是一种有机酸,它的酸性比碳酸强,比盐酸弱,有刺激性气味和较强的腐蚀性。蚂蚁、蚊虫叮咬时会分泌出甲酸,所以甲酸又俗称蚁酸。以下是常见的甲酸问题,希望能为大家普及甲酸的相关知识:
  Formic acid (HCOOH) is an organic acid, which is stronger than carbonic acid and weaker than hydrochloric acid, with pungent smell and strong corrosivity. Formic acid is secreted when ants and mosquitoes bite, so formic acid is also known as formic acid. The following are common formic acid problems, hoping to popularize relevant knowledge of formic acid for everyone:
  1、人被蚊虫叮咬后会痒痛,可以涂抹下列物质中的肥皂水消除。
  1. People will itch after being bitten by mosquitoes, which can be eliminated by smearing soapy water in the following substances.
  2、白蚂蚁除了会蛀蚀木头以外,它分泌的蚁酸还会腐蚀很多建筑材料,如铜栏杆、钢筋、大理石等。
  2. In addition to eating wood, the ant acid secreted by white ants can also corrode many building materials, such as copper railings, steel bars, marble, etc.
  3、使用浓硫酸作催化剂,在加热的条件下,甲酸分解得到一种常见的有毒气体和另一种氧化物
  3. Using concentrated sulfuric acid as catalyst, formic acid decomposes into a common toxic gas and another oxide under heating conditions
       甲酸
  传统产方法主要有:甲酸钠法、甲酰胺法、丁烷(或轻油)液相氧化法和甲酸甲酯水解法四种。
  The traditional production methods include sodium formate method, formamide method, butane (or light oil) liquid phase oxidation method and methyl formate hydrolysis method.
  甲酸制备新工艺介绍
  Introduction of new process for preparation of formic acid
  在新技术路线开发方面,其主要研发路线有:甲酸前体——甲酸甲酯制备技术、甲醛一步法直接氧化催化生成甲酸、CO2直接加氢制取甲酸、合成气直接制甲酸。其中,甲醇羰基化制甲酸甲酯工艺和甲醇催化脱氢制甲酸甲酯工艺近年来国内外研究较多,并有很多已经工业化。
  In terms of the development of new technology routes, the main research and development routes are as follows: preparation technology of formic acid precursor methyl formate, one-step direct oxidation and catalysis of formaldehyde to formic acid, direct hydrogenation of CO2 to formic acid, and direct synthesis of formic acid from syngas. Among them, carbonylation of methanol to methyl formate and catalytic dehydrogenation of methanol to methyl formate have been widely studied at home and abroad in recent years, and many of them have been industrialized.
  以上是关于甲酸常见问题的相关内容介绍,相信大家都了解了,想要了解更多知识欢迎关注我们的网站。
  The above is about formic acid FAQ related content introduction, I believe you all understand, want to know more, welcome to pay attention to our website.
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