Production methods and uses of potassium hydroxide. Before introducing this part, we should first have a certain understanding of potassium hydroxide. What is potassium hydroxide? Potassium hydroxide is a kind of white solid substance, which belongs to strong alkali and has strong corrosiveness. Soluble in water.

在空氣中易吸收二氧化碳和水分，致使變質。通常用電解氯化鉀溶液，或將碳酸鉀和石灰乳反應而得。用于制取鉀鹽和鉀肥皂，還可作干燥劑等。

It is easy to absorb carbon dioxide and water in the air, causing deterioration. It is usually obtained by electrolysis of potassium chloride solution or by reaction of potassium carbonate with lime milk. It can be used to make potash salt and potash soap. It can also be used as desiccant.

由電解濃氯化鉀溶液或以碳酸鉀與石灰乳作用而制得。

It is prepared by electrolysis of concentrated potassium chloride solution or by the reaction of potassium carbonate and lime milk.

1、用作干燥劑、吸收劑，用于制草酸及各種鉀鹽，還用于電鍍、雕刻、石印術等。

1. It is used as desiccant, absorbent, oxalic acid and various potassium salts, electroplating, carving, lithography, etc.

2、主要用作鉀鹽生產的原料，如高錳酸鉀、碳酸鉀等。在醫藥工業中，用于生產鉀硼氫、安體舒通、沙肝醇、丙酸睪丸素等。在輕工業中用于生產鉀肥皂、堿性蓄電池、化妝品（如冷霜、雪花膏和洗發膏）。在染料工業中，用于生產還原染料，如還原藍RSN等。在電化學工業中，用于電鍍、雕刻等。在紡織工業中，用于印染、漂白和絲光，并大量用作制造人造纖維、聚酯纖維的主要原料。此外，還用于冶金加熱劑和皮革脫脂等方面。

2. It is mainly used as raw material for potassium salt production, such as potassium permanganate, potassium carbonate, etc. In the pharmaceutical industry, it is used to produce potassium borohydride, spironolactone, salganol, testosterone propionate, etc. It is used in light industry to produce potassium soap, alkaline battery, cosmetics (such as cold cream, snowcream and shampoo). In the dye industry, it is used to produce vat dyes, such as vat blue RSN. In the electrochemical industry, it is used for electroplating, carving, etc. In the textile industry, it is used for printing and dyeing, bleaching and mercerizing, and is widely used as the main raw material for manufacturing man-made fiber and polyester fiber. In addition, it is also used in metallurgical heating agent and leather degreasing.

3、化工基本原料，用于醫藥、日用化工等。

3. Chemical basic raw materials, used in medicine, daily chemical industry, etc.

4、用作分析試劑、皂化試劑、二氧化碳和水分的吸收劑。

4. It is used as an absorbent for analysis reagent, saponification reagent, carbon dioxide and water.

5、日化工業用作制造洗污肥皂、洗頭軟皂、雪花膏、冷霜、洗發膏等的原料。制藥工業用于制造黃體酮、香蘭素等原料。染料工業用于制造三聚氰胺染料。電池工業用于制造堿性蓄電池。

5. The daily chemical industry is used as raw materials for making dirty soap, shampoo soap, cream, cold cream, shampoo, etc. Pharmaceutical industry is used to manufacture progesterone, vanillin and other raw materials. The dye industry is used to make melamine dyes. The battery industry is used to make alkaline batteries.