指出提高液氨质量的主要途径为优化汽提操作及改造气氨精制系统。
The results showed that the main ways of improving quality were optimizing the operation parameters of stripper and reconstructing the purified system of vapor-ammonia.
对传统中和尾气吸收装置进行改造，利用磷酸吸收中和尾气中的气氨，循环吸收液重新返回混酸系统使用。
The absorption device of neutralization tail gas is improved by phosphoric acid absorbing gas ammonia in neutralization tail gas and circulation absorption fluid returning to acid mixing unit.
大多数人造肥料中的氨来源于天然气。
Most conventional fertilizers rely on ammonia made from natural gas.
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