摘要
间接法生产浓硝酸过程中,存在原料稀硝酸用量大的问题。通过工艺及设备改造,降低了稀硝酸用量,提高了经济效益和社会效益。
The problem that the dosage of raw material dilute nitric acid is too lot existed in the production process of concentrated nitric acid by indirect method. Through modification of technology and equipments, to reduce the dosage of dilute nitric acid,improve the economic benefit and social benefit.
出处
《河北化工》
2013年第02X期49-52,共4页
Hebei Chemical Industry
关键词
硝酸
硝酸镁
浓缩塔
提馏段
脱水剂
nitric acid
magnesium nitrate
eoncentration tower
stripping section
dehydrating agent