During the process of producing amido-dye, a lot of iron mud containing organic compounds are produced, which pollute the environment seriously and result in resource waste.
氨基染料生产过程中产生大量含有机物的铁泥，对环境造成严重污染并造成资源的极大浪费。
2
The difference of ammonia, amido, amino group and quaternary ammonium salt, some common wrong expressions on them, and the valence state of phosphorus in some of its oxyacid were pointed out.