
烧碱的制备工业上用电解饱和食盐水制取烧碱与氯气、氢气(俗称“氯碱工业”)2NaCl+2H2O2NaOH+H2↑+Cl2↑由石灰石、纯碱为原料制备烧碱CaCO3=高温=CaO+CO2↑CaO+H2O=Ca(OH)2Ca(OH)2+Na2CO3=CaCO3↓+2NaOH

烧碱的制备工业上用电解饱和食盐水制取烧碱与氯气、氢气(俗称“氯碱工业”)2NaCl+2H2O2NaOH+H2↑+Cl2↑由石灰石、纯碱为原料制备烧碱CaCO3=高温=CaO+CO2↑CaO+H2O=Ca(OH)2Ca(OH)2+Na2CO3=CaCO3↓+2NaOH