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[Chemical Knowledge]：Properties and Uses of Carbon Dioxide

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The nature and use of carbon dioxide in the field of chemical production raw materials

Abstract

This paper details the nature and use of carbon dioxide in the field of chemical production raw materials. Through the description of the physical and chemical properties of carbon dioxide, as well as its specific application in the chemical production process, the importance of carbon dioxide is clarified. At the same time, this paper also discusses the environmental protection and sustainability of carbon dioxide, as well as the possible future development direction.

keywords: carbon dioxide, chemical production, raw materials, properties, uses

1. introduction

carbon dioxide is a colorless, odorless, non-flammable gas, widely exists in nature. In the field of chemical production raw materials, carbon dioxide has many important properties and uses. This article will discuss in detail the application of carbon dioxide in these areas.

2. the nature of carbon dioxide

1. physical properties: carbon dioxide at room temperature is a colorless, odorless gas, density than air. At low temperatures, carbon dioxide can condense into a solid (dry ice) with a high latent heat.
2. Chemical properties: Carbon dioxide is an acidic oxide that can react with alkali to form salt and water. In addition, carbon dioxide is also reductive and can be reduced to carbon under certain conditions.

to 3. the use of carbon dioxide in chemical production of raw materials

1. urea production: urea is an important nitrogen fertilizer, its production process requires the use of carbon dioxide. Carbon dioxide reacts with ammonia to form ammonium carbamate, which is then dehydrated to form urea.
2. Carbonate production: Carbon dioxide can react with alkali to form carbonate. For example, calcium carbonate is a commonly used filler and building material and can be produced by reacting carbon dioxide with calcium hydroxide.
3. Carbonate Production: Carbon dioxide can react with alcohols to form carbonates. Carbonate is an important solvent and plasticizer, which is widely used in chemical industry, medicine and other fields.
4. Polymer production: carbon dioxide can be used as a monomer for polymer production, and polymer compounds such as polycarbonate can be generated by polymerization reaction.

4. environmental protection and sustainable

With the improvement of people's awareness of environmental protection, the emission and utilization of carbon dioxide has attracted more and more attention. The carbon dioxide waste gas generated in the chemical production process can be captured and recycled to achieve emission reduction and resource utilization, and improve the sustainability of production. The future development direction of

5.

With the progress of science and technology, the application of carbon dioxide in the field of chemical production raw materials will continue to expand. In the future, researchers can explore more efficient and environmentally friendly carbon dioxide utilization technologies, further improve the conversion rate and utilization rate of carbon dioxide, and promote the green development of the chemical industry.

6. Conclusion

In short, carbon dioxide has a wide range of applications in the field of chemical production raw materials. Through the understanding of the nature of carbon dioxide and rational use, we can develop more high value-added chemical products, while improving the environmental protection and sustainability of production. In the future, with the continuous progress of technology, the application of carbon dioxide in the field of chemical production raw materials will be more extensive.

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