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[Chemical Knowledge]：The difference between lime construction and chemical industry

Read： 1075 Time：18months ago Source：Transform the World with Simplicity

Lime is an important building material, which is widely used in construction industry and chemical industry. However, lime differs in construction use and chemical use. This article will detail the difference between lime construction and chemical use.

lime in the construction industry is mainly used to manufacture lime mortar and lime gypsum products. Lime mortar is a material commonly used in construction for masonry and stucco. It has good adhesion and durability, and plays an important role in the building structure. Lime gypsum products, including gypsum board and gypsum decorations, are widely used in interior decoration. These lime products are widely used in the construction industry and can provide good fire and sound insulation effects.

lime is also used in the chemical industry. In chemical processes, lime is often used as a reactant and neutralizing agent. The alkaline nature of lime makes it play an important role in acid-base neutralization reactions. For example, lime can be used to neutralize wastewater and acidic soils to adjust the pH. In addition, lime is also used in the production of fertilizers and industrial raw materials, such as lime kilns and limestone.

Although lime plays an important role in both the construction and chemical industries, there are some differences in its use and nature. Lime used in construction is mainly non-hydrated lime, while lime used in chemical industry is mainly hydrated lime. Non-hydrated lime is a dry, powdery substance that reacts chemically when water is added, releasing heat. Hydrated lime is a powder or gelatinous substance that can be used directly in chemical reactions. Lime for construction generally requires high purity to ensure the quality and performance of building materials. Lime for chemical industry requires relatively low purity, and the main consideration is the effect of chemical reaction.

In addition, lime for construction needs to go through a series of processing processes, such as the selection of limestone ore, the firing of hydrated lime and the preparation of hydrated lime. Lime for chemical use is generally processed through simpler processes, such as limestone mining and lime processing.

To sum up, the difference between lime construction and chemical use is mainly reflected in the use and nature. Lime for construction is mainly used to manufacture lime mortar and lime gypsum products, while lime for chemical industry is mainly used for chemical reaction and neutralization. In addition, the purity requirements and processing technology of the two are also different. Understanding these differences can better understand the application of lime in the construction and chemical industry, and provide reference for the work in related fields.

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