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。
2
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。
3
The key technique is a 3 step addition of zinc powder for removing impurities and mixed employment ofammonia and ammonium bicarbonate.