水热体系中Na2SO4/K2SO4 溶解度的热力学计算

张为, 周丽, 唐红峰, 李和平, 王力

Thermodynamic Calculation of Solubility of Na2SO4/K2SO4 in Hydrothermal Fluids

Wei Zhang, Li Zhou, Hongfeng Tang, Heping Li, Li Wang

表3 Na2SO4 和K2SO4 体积性质计算的参数

Table 3 Parameters for the volumetric properties calculation of Na2SO4 and K2SO4

参数 Na2SO4 K2SO4 m r 1.5 1.0 a 1 9.69382688×102 1.10686112×103 a 2 2.83105828×10-1 -5.98247606×10-1 a 3 -9.00393580×10-4 5.96259241×10-4 a 4 2.57624184×10-6 2.39804594×10-6 a 5 -1.43199512×100 -2.71085716×100 a 6 7.37402186×10-3 1.41493666×10-2 a 7 -1.17539062×10-5 -2.08587301×10-5 a 8 -4.86834961×10-4 5.43596750×10-3 a 9 8.87142143×10-2 4.61245819×10-3 a 10 2.75966178×10-7 -1.21299746×10-5 a 11 2.13350752×10-4 -5.55380818×10-3 a 12 -1.36823713×10-2 6.41685688×10-2 a 13 -2.95936943×10-7 1.44544684×10-5