waste-acid recycle use 废酸循环利用
dilute acid recycle 稀酸回收
recycle of waste acid 废酸处理及利用
boron acid recycle system 硼酸再循环系统
Without acid leaked and corrosion, it is easy to recycle and no pollution.
无漏液、漏酸、无腐蚀，回收方便，不污染环境。
At the same time, by taking acid testing, work curve scope testing, co-exist elements effect, recycle test, a fast analysis method for molybdenum in steel has been established.
同时，通过酸度试验、工作曲线线性范围测定、共存元素影响、回收试验等，建立了钢中钼的快速分析方法。
The waste-acid via salting out with NaHSO4 saturated solution to remove organic impurity among it, then carry on recycle use.
通过硫酸氢钠饱和溶液盐析废酸，除去其中的有机杂质，使回收得到的硫酸重新投入循环生产中。
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