目前我国有浓硝酸生产企业30多家,产品主要用于化学工业,其次用于冶金工业和医药工业。其中化学工业消费量约占浓硝酸消费量的69%;冶金工业消费量约占14%;医药工业消费量约占55%;其他方面消费量约占115%。在化学工业中,浓硝酸主要用于生产无机盐、化学肥料、染料等化工产品。预 At present, there are more than 30 concentrated nitric acid production enterprises in China. The products are mainly used in the chemical industry, followed by the metallurgical industry and the pharmaceutical industry. Among them, the consumption of the chemical industry accounts for about 69% of the consumption of concentrated nitric acid; the consumption of the metallurgical industry accounts for about 14%; the consumption of the pharmaceutical industry accounts for about 55%; the consumption of other aspects accounts for about 115%. In the chemical industry, concentrated nitric acid is mainly used to produce inorganic salts, chemical fertilizers, dyes and other chemical products. Pre