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一、概述二氧化碳为无色、无臭、不助燃的气体,又称碳酸气。近年来,作为一种有用气体逐渐被人们所认识,但迄今仍未把已发现的天然二氧化碳(以下以符号CO_2代表)作为一种新的矿种列入国家储量表。当今一些发达的工业国家,一方面利用工厂的废气或燃烧重油,人工生产液态二氧化碳,另方面十分重视开发利用天然CO_2资源。美国、日本、加拿大、苏联、南斯拉夫等国,把天然CO_2应用于国民经济的许多领域。如饮料工业,利用CO_2易溶于水的性质,用作发泡剂、充
First, an overview of carbon dioxide is colorless, odorless, non-combustion gas, also known as carbon dioxide. In recent years, as a useful gas has gradually become known, but so far found no natural carbon dioxide (represented by the symbol CO_2) as a new kind of mineral included in the State Reserve Table. At present, some developed industrial countries make use of the exhaust gas of factories or the burning of heavy oil to artificially produce liquid carbon dioxide. On the other hand, they attach great importance to the exploitation and utilization of natural CO 2 resources. The United States, Japan, Canada, the Soviet Union, Yugoslavia and other countries, the natural CO 2 used in many areas of the national economy. Such as the beverage industry, the use of CO2-soluble nature of the water, used as a blowing agent, filling