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隔膜电解法原料可以得到固体的氢氧化钾!

发布来源:http://www.jinhao360.com    更新时间:2022-05-07 点击数:

氢氧化钾,是一种常见的无机碱,常温下为白色粉末或片状固体。性质与氢氧化钠相似,具强碱性及腐蚀性,极易吸收空气中水分而潮解,吸收二氧化碳而成碳酸钾,微溶于醚。当溶解于水、醇或用酸处理时产生大量热量。

Potassium hydroxide, a common inorganic base, is a white powder or flake solid at room temperature. Similar to sodium hydroxide in nature, it is strongly alkaline and corrosive. It is very easy to absorb water in the air and deliquesce. It absorbs carbon dioxide to form potassium carbonate, which is slightly soluble in ether. When dissolved in water, alcohol or treated with acid, a large amount of heat is generated.
作用:1、用于电镀、雕刻、石印术等。
Functions: 1. For electroplating, engraving, lithography, etc.
2、用作钾盐生产的原料,如高锰酸钾、碳酸钾等。
2. Used as raw materials for potassium salt production, such as potassium permanganate, potassium carbonate, etc.
3、在医药工业中,用于生产钾硼氢、安体舒通、沙肝醇、丙酸睾丸素、黄体酮、香兰素等。
3. In the pharmaceutical industry, it is used to produce potassium borohydride, spironolactone, saganol, testosterone propionate, progesterone, vanillin, etc.、氢氧化钾
4、在轻工业中用于生产钾肥皂、碱性蓄电池、化妆品(如冷霜、雪花膏和洗发膏)。
4. In light industry, it is used to produce potassium soap, alkaline battery and cosmetics (such as cold cream, snow cream and shampoo).
5、在染料工业中,用于生产还原染料,如还原蓝RSN等。
5. In the dye industry, it is used to produce vat dyes, such as vat blue RSN, etc.
6、用作分析试剂、皂化试剂、二氧化碳和水分的吸收剂。
6. It is used as an absorbent for analytical reagent, saponification reagent, carbon dioxide and water.
7、在纺织工业中,用于印染、漂白和丝光,并大量用作制造人造纤维、聚酯纤维的主要原料,也用于用于制造三聚氰胺染料。
7. In the textile industry, it is used for printing and dyeing, bleaching and mercerization, and is widely used as the main raw material for the manufacture of man-made fiber and polyester fiber. It is also used for the manufacture of melamine dyes.
8、还用于冶金加热剂和皮革脱脂等方面。
8. It is also used in metallurgical heating agent and leather degreasing.
隔膜电解法原料氯化钾在化盐槽溶化成饱和溶液,加热至90℃时分别加入碳酸钾、苛性钾、氯化钡除去钙、镁和硫酸根等杂质,经沉降除渣、盐酸中和、精制的含氯化钾280~315 g/L的氯化钾溶液经预热到70~75℃后进行电解,得氢氧化钾、氯气和氢气。隔膜法所得氢氧化钾浓度为10%~11%,需通过蒸发浓缩和冷却澄清,制得含45%~50%氢氧化钾溶液;也可继续在熬碱锅中浓缩,经脱色,制得固体氢氧化钾,或经制片成片状氢氧化钾产品。
Potassium chloride, the raw material of the diaphragm electrolysis method, is dissolved into a saturated solution in the salt tank. When heated to 90 ℃, potassium carbonate, caustic potassium and barium chloride are added respectively to remove impurities such as calcium, magnesium and sulfate. The 280 ~ 315 g / L potassium chloride solution containing potassium chloride is preheated to 70 ~ 75 ℃ for electrolysis to obtain potassium hydroxide, chlorine and hydrogen. The concentration of potassium hydroxide obtained by diaphragm method is 10% ~ 11%, which needs to be concentrated by evaporation and clarified by cooling to prepare a solution containing 45% ~ 50% potassium hydroxide; It can also continue to be concentrated in the alkali boiling pot and decolorized to prepare solid potassium hydroxide or flake potassium hydroxide products.

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