反应条件
sulfuric acid; water; sodium sulfate in water byproducts: H2O, CaSO3; reaction of a soln. of CaSO3 containing Na2SO4 and H2SO4 forming NaHSO3, Na2SO4, CaSO4; reaction of NaHSO3 with Na2SO4 and Ca(OH)2 forming Na2SO3, CaSO3, Na2SO4, H2O; reaction of Na2SO3 with CaSO3, Na2SO4, H2O, Ca(OH)2 forming NaOH, CaSO3, Na2SO4, H2O;; filtration and reprocessing of CaSO3; precipitation of Na2SO4 by evaporation; reprocessing NaOH;;
参考文献
Journal of the Society of Chemical Industry, London, , vol. 35, p. 155 - 155
Journal of the Society of Chemical Industry, London, , vol. 35, p. 1059 - 1059
Na: MVol., 181, page 542 - 544
EP12832 , ;
DE337183 , ;
