Technical process of making hydrochloric acid through distillation and acidation was discussed by taking pickling waste liquor from a chemical machine plant and iron tower plant as raw material.

• 以宝鸡瑞星化工机械厂和宝鸡铁塔厂的酸洗废液为原料，通过实验室小试，探索出了通过蒸馏浓缩以及浓缩液酸化制备盐酸的工艺条件；