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[Chemical Knowledge]：Properties and Uses of Pure Calcium Oxide

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Pure calcium oxide is an important raw material for chemical production, which has a wide range of properties and uses. The following is a paper on the properties and uses of pure calcium oxide for your reference:

Introduction

Pure calcium oxide is a common inorganic compound with high reactivity and stability, and is widely used in the field of raw materials for chemical production. This article will introduce the properties and uses of pure calcium oxide in detail, in order to provide reference for the production and research in related fields.

properties

pure calcium oxide is a white powdery substance with high chemical activity, easy to react with water and acid to generate the corresponding calcium salt and hydrogen. The melting point of pure calcium oxide is 2572 ℃, and the boiling point is 2850 ℃. It has a higher melting point and boiling point, so it has better heat resistance and stability. In addition, pure calcium oxide also has good optical and electrical properties, can be used in the manufacture of optical glass and electronic devices.

uses

1. Chemical production

Pure calcium oxide has a wide range of uses in chemical production and can be used as raw materials to manufacture many important chemicals. For example, pure calcium oxide can react with hydrochloric acid to generate calcium chloride, which can be used to manufacture bleaching powder, refrigerants, fireproof materials, etc.; react with sulfuric acid to generate calcium sulfate, which can be used to manufacture building materials, ceramics, etc.; react with sodium carbonate to generate calcium carbonate, which can be used to manufacture glass, rubber, plastics, etc.

2.
in the field of environmental protection
pure calcium oxide has good absorption performance and can be used to treat waste gas, waste water and other environmental protection fields. For example, pure calcium oxide can be used as an adsorbent to adsorb acid gases in waste gas; it can also be used as a neutralizing agent to adjust the pH value of wastewater to meet environmental standards.

3. pharmaceutical industry

pure calcium oxide in the pharmaceutical industry has a wide range of uses, can be used as raw materials or excipients for the manufacture of many drugs. For example, pure calcium oxide can be used as a calcium supplement for the prevention and treatment of calcium deficiency; it can also be used as an antacid agent for the treatment of gastric hyperacidity.

4. Food industry

pure calcium oxide can be used as a food additive in the food industry, mainly used to adjust the pH of food and provide calcium. For example, some biscuits, bread and other foods will add an appropriate amount of pure calcium oxide to adjust the pH of the dough and improve the nutritional value of the food.

conclusion

pure calcium oxide as an important raw material for chemical production, has a wide range of properties and uses. Pure calcium oxide plays an important role in chemical production, environmental protection, pharmaceutical industry and food industry. Therefore, strengthening the research on the properties and uses of pure calcium oxide will help to improve the production efficiency and application effect of pure calcium oxide, and promote the development of related fields.

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