n.酸化作用(酰代)

In the first step KHSO4 is formed from KCl by acidulation using sulphuric acid. 从氯化钾中获取硫酸钾的第一步是通过使用硫酸进行酸化处理。

The dephosphorizing effect by a series filtration, repulping (acidulation) and water washing process in WPA production is studied. 对湿法磷酸生产流程中串联再浆(酸化)水洗的降磷效果进行了实验研究。

The performance of the second stage acidulation process of Qin Ping phosphate rock with mixed acid of sulphuric acid and phosphoric acid was studied. 采用四川清平磷矿，研究了硫磷混酸分解磷矿第2阶段的酸解反应特性。

Results showed that both soil salt accumulation and acidulation in topsoil were evident and the amounts of main soil nutrients are increased. 结果表明，随着连作年限的增加，温室土壤盐分表聚和酸化现象明显，土壤主要养分含量有增加的趋势。

A kinetic property of acidulation process of waste product of iron pyrite is studied, kinetic data of acidulation process are measured. 研究了硫铁矿渣酸解过程的动力学特性，测定了反应过程的动力学数据。