This paper about the technics is to use the material of haloid liquid, ammonium bicarbonate and ammonia to preparate the super light MgO.
本研究所述的工艺是采用卤水、碳酸氢铵和氨水为原料，生产特级轻质氧化镁的方法。
By revamping the cooling water flow path, the aqua ammonia titer and degree of carbonation are effectively decreased, and the output of ammonium bicarbonate is increased.
通过对冷却水流程的改造，有效降低了氨水滴度和碳化度，提高了碳酸氢铵的产量。
The key technique is a 3 step addition of zinc powder for removing impurities and mixed employment of ammonia and ammonium bicarbonate.
三段控温添加锌粉除杂以及氨水与碳酸氢铵复配作为沉淀剂是技术关键。
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