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引言碳酸钠在拜耳液中积累是所有拜耳法氧化铝厂的一个共同问题。用苛性碱液从铝土矿中溶出三水或一水铝石或者它们二者是不希望有碳酸钠的,因为它在溶出过程中是不参于反应的。碳酸钠通常用下述方法清除:
Introduction The accumulation of sodium carbonate in Bayer liquor is a common problem for all Bayer alumina plants. Dissolving trihydrate or boehmite from bauxite using a caustic solution, or both, is undesirable as sodium carbonate because it is unreacted during the dissolution process. Sodium carbonate is usually removed by the following method: