氢氧化钾别名苛性钾、苛性碱和钾灰等,化学式为KOH。从它的别称可以知道氢氧化钾具有的特性:强碱性和腐蚀性。氢氧化钾易溶于水,并且放出大量的热,非常容易吸收空气中的水分而发生潮解,并且还会吸收空气中的二氧化碳变成碳酸钾。
Potassium hydroxide is also known as caustic potash, caustic soda and potassium ash, and its chemical formula is KOH. From its nickname, we can know the characteristics of potassium hydroxide: strong alkalinity and corrosivity. Potassium hydroxide is easily soluble in water and emits a lot of heat. It is very easy to absorb moisture in the air and cause deliquescence. It also absorbs carbon dioxide in the air and turns it into potassium carbonate.
氢氧化钾清洗其实是利用它的强碱性去疏松,乳化和分散金属设备内的沉积物,从而达到对设备污垢清洗的目的,但是碱清洗不能除去一般水垢和金属腐蚀物质。
In fact, potassium hydroxide cleaning is to use its strong alkalinity to remove looseness, emulsify and disperse deposits in metal equipment, so as to achieve the purpose of cleaning equipment dirt. However, alkali cleaning cannot remove general scale and metal corrosion substances.
氢氧化钾除油污就是碱与水的反应,以下是纯碱水解的化学式:
Removal of oil contamination by potassium hydroxide is the reaction of alkali and water. The following is the chemical formula of soda ash hydrolysis:
一级水解:Na2CO3+H2O=NaHCO3+NaOH
Primary hydrolysis: Na2CO3+H2O=NaHCO3+NaOH
二级水解:NaHCO3+H2O=H2CO3+NaOH
Secondary hydrolysis: NaHCO3+H2O=H2CO3+NaOH
因为氢氧化钾的水解反应,所以所以氢氧化钾常用于以下几个方面:
Because of the hydrolysis reaction of potassium hydroxide, potassium hydroxide is commonly used in the following aspects:
(1)除去系统或表面的油污;
(1) Remove the oil stain on the system or surface;
(2)与酸交替使用,除去硫酸钙及矽酸钙等酸清洗难于去除的污垢;
(2) It can be used alternately with acid to remove dirt that is difficult to remove by acid cleaning, such as calcium sulfate and calcium silicate;
(3)酸洗之后用碱洗,用于中和水及设备内残留的酸,从而减少金属设备的腐蚀。
(3) After acid cleaning, alkali cleaning is used to neutralize water and residual acid in equipment, so as to reduce corrosion of metal equipment.
其中氢氧化钾除油污原理其实就是简单的化学原理,因为油污是一种脂类物质,从它的化学组成成分上分析,他们是脂肪酸和甘油酯。这些物质在遇到碱、酸、酶后会发生水解反应,水解后则会生成甘油和脂肪酸,而这些甘油和脂肪酸就会被水溶解,冲洗掉,这就人们说的除油污了。更多相关产品的内容就来我们网站
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Among them, the principle of removing oil stain by potassium hydroxide is actually a simple chemical principle, because oil stain is a kind of lipid substance. According to its chemical composition, they are high-class fatty acids and glycerides. These substances will undergo hydrolysis reaction after encountering alkali, acid and enzyme. After hydrolysis, they will generate glycerol and higher fatty acids, which will be dissolved by water and washed away, which is called degreasing. More relevant product content will come to our website http://www.jinhao360.com Consult!