Research into fluoric waste treatment with sedimentation of calcium salts 钙盐沉淀法处理含氟废水的研究
2.
Chemical industry : sodium carbonate ( the production of hydrochloric acid , hypo - fluoric acid and secondary chemicals ) ; the production of fluoride and chemical fertilizers ; circulation of reaction liquid in gas absorption tower ; grease extraction ( sulfuric acid ) ; reclamation and regeneration system of waste acid ; transportation of strong acids between chemical plants and vehicles 化学工业:碳酸钠化工业(盐酸、次氟酸、二次化学品的生产) ;氟化物、化学肥料的生产;气体吸收塔反应液体循环;油脂提炼(硫酸) ;废酸类的回收及再生系统;化工厂和运输车辆间的强酸类输送。