同时考虑了热水饱和塔所能回收的蒸汽量，进而得到需要添加的蒸汽量计算式，并对此数学模型进行工程实施处理。
Allowing for the retrivable stream amount in the saturation column of hot water, a calculating formula of stream amount addition is also proposed.
为了更好地解决饱和温度下蒸汽凝结水的热量回收利用问题，设计了一种渐缩流通面积换热器。
To more efficiently make use of the heat from the condensed water at saturated temperature, one kind of heat exchangers with gradually shrunk flowing area was developed.
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。
The waste-acid via salting out with NaHSO4 saturated solution to remove organic impurity among it, then carry on recycle use.
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