化工学报 ›› 2022, Vol. 73 ›› Issue (10): 4335-4344.DOI: 10.11949/0438-1157.20220894
任思颖(), 于旭东(), 罗军, 冯霞, 赵志星, 姚智豪
收稿日期:
2022-06-27
修回日期:
2022-08-22
出版日期:
2022-10-05
发布日期:
2022-11-02
通讯作者:
于旭东
作者简介:
任思颖(1997—),女,硕士研究生,rensiyingc413@126.com
基金资助:
Siying REN(), Xudong YU(), Jun LUO, Xia FENG, Zhixing ZHAO, Zhihao YAO
Received:
2022-06-27
Revised:
2022-08-22
Online:
2022-10-05
Published:
2022-11-02
Contact:
Xudong YU
摘要:
采用等温溶解平衡法研究了298.2 K三元体系Li+,
中图分类号:
任思颖, 于旭东, 罗军, 冯霞, 赵志星, 姚智豪. 298.2 K四元体系Li+, K+,
Siying REN, Xudong YU, Jun LUO, Xia FENG, Zhixing ZHAO, Zhihao YAO. Phase equilibria of aqueous quaternary system Li+, K+,
编号 | 密度/(g·cm-3) | 液相组成, w(B)/% | 湿固相组成, w(B)/% | 平衡固相① | ||
---|---|---|---|---|---|---|
w(LiCl) | w(NH4Cl) | w(LiCl) | w(NH4Cl) | |||
1, a | 1.0790 | 0.00 | 28.43 | — | — | NH4Cl |
2 | 1.0890 | 1.69 | 26.19 | 0.88 | 61.59 | NH4Cl |
3 | 1.0847 | 2.68 | 25.70 | 0.32 | 89.20 | NH4Cl |
4 | 1.0891 | 4.16 | 23.89 | 0.97 | 81.29 | NH4Cl |
5 | 1.0910 | 5.75 | 22.01 | 0.55 | 93.35 | NH4Cl |
6 | 1.0887 | 7.21 | 20.48 | 0.71 | 92.92 | NH4Cl |
7 | 1.0983 | 9.07 | 18.60 | 0.80 | 92.73 | NH4Cl |
8 | 1.1087 | 12.07 | 16.00 | 6.99 | 51.86 | NH4Cl |
9 | 1.1179 | 15.66 | 12.71 | 7.53 | 58.55 | NH4Cl |
10 | 1.1348 | 20.33 | 9.01 | 10.08 | 55.75 | NH4Cl |
11 | 1.1613 | 25.33 | 7.13 | 13.71 | 51.05 | NH4Cl |
12 | 1.1883 | 29.99 | 5.32 | 3.04 | 90.54 | NH4Cl |
13 | 1.1927 | 30.59 | 4.97 | 23.11 | 29.27 | NH4Cl |
14 | 1.2021 | 31.72 | 4.78 | 27.41 | 18.82 | NH4Cl |
15 | 1.2088 | 33.69 | 4.69 | 29.22 | 16.86 | NH4Cl |
16 | 1.2185 | 34.74 | 4.53 | 29.58 | 18.37 | NH4Cl |
17, E1 | 1.2275 | 35.47 | 4.53 | 31.07 | 17.07 | NH4Cl + SS1 |
18 | 1.2384 | 37.88 | 4.55 | 32.94 | 19.07 | SS1 |
19 | 1.2514 | 39.94 | 4.47 | 36.92 | 13.80 | SS1 |
20 | 1.2629 | 41.91 | 3.63 | 41.40 | 10.01 | SS1 |
21 | 1.2697 | 43.22 | 2.69 | 44.48 | 7.75 | SS1 |
22 | 1.2749 | 43.91 | 2.38 | 46.43 | 8.73 | SS1 |
23, E2 | 1.2780 | 44.79 | 2.01 | 48.60 | 9.92 | SS1 + LiCl·H2O |
24 | 1.2862 | 45.57 | 0.85 | 51.85 | 0.58 | LiCl·H2O |
25 | 1.2864 | 45.69 | 0.61 | 53.27 | 0.68 | LiCl·H2O |
26, b | 1.2891 | 45.86 | 0.00 | — | — | LiCl·H2O |
表 1 三元体系Li+, NH4+ // Cl--H2O 298.2 K固液相平衡数据
Table 1 Solid-liquid phase equilibria data of the ternary system Li+, NH4+ // Cl--H2O at 298.2 K
编号 | 密度/(g·cm-3) | 液相组成, w(B)/% | 湿固相组成, w(B)/% | 平衡固相① | ||
---|---|---|---|---|---|---|
w(LiCl) | w(NH4Cl) | w(LiCl) | w(NH4Cl) | |||
1, a | 1.0790 | 0.00 | 28.43 | — | — | NH4Cl |
2 | 1.0890 | 1.69 | 26.19 | 0.88 | 61.59 | NH4Cl |
3 | 1.0847 | 2.68 | 25.70 | 0.32 | 89.20 | NH4Cl |
4 | 1.0891 | 4.16 | 23.89 | 0.97 | 81.29 | NH4Cl |
5 | 1.0910 | 5.75 | 22.01 | 0.55 | 93.35 | NH4Cl |
6 | 1.0887 | 7.21 | 20.48 | 0.71 | 92.92 | NH4Cl |
7 | 1.0983 | 9.07 | 18.60 | 0.80 | 92.73 | NH4Cl |
8 | 1.1087 | 12.07 | 16.00 | 6.99 | 51.86 | NH4Cl |
9 | 1.1179 | 15.66 | 12.71 | 7.53 | 58.55 | NH4Cl |
10 | 1.1348 | 20.33 | 9.01 | 10.08 | 55.75 | NH4Cl |
11 | 1.1613 | 25.33 | 7.13 | 13.71 | 51.05 | NH4Cl |
12 | 1.1883 | 29.99 | 5.32 | 3.04 | 90.54 | NH4Cl |
13 | 1.1927 | 30.59 | 4.97 | 23.11 | 29.27 | NH4Cl |
14 | 1.2021 | 31.72 | 4.78 | 27.41 | 18.82 | NH4Cl |
15 | 1.2088 | 33.69 | 4.69 | 29.22 | 16.86 | NH4Cl |
16 | 1.2185 | 34.74 | 4.53 | 29.58 | 18.37 | NH4Cl |
17, E1 | 1.2275 | 35.47 | 4.53 | 31.07 | 17.07 | NH4Cl + SS1 |
18 | 1.2384 | 37.88 | 4.55 | 32.94 | 19.07 | SS1 |
19 | 1.2514 | 39.94 | 4.47 | 36.92 | 13.80 | SS1 |
20 | 1.2629 | 41.91 | 3.63 | 41.40 | 10.01 | SS1 |
21 | 1.2697 | 43.22 | 2.69 | 44.48 | 7.75 | SS1 |
22 | 1.2749 | 43.91 | 2.38 | 46.43 | 8.73 | SS1 |
23, E2 | 1.2780 | 44.79 | 2.01 | 48.60 | 9.92 | SS1 + LiCl·H2O |
24 | 1.2862 | 45.57 | 0.85 | 51.85 | 0.58 | LiCl·H2O |
25 | 1.2864 | 45.69 | 0.61 | 53.27 | 0.68 | LiCl·H2O |
26, b | 1.2891 | 45.86 | 0.00 | — | — | LiCl·H2O |
编号 | 密度/ (g·cm-3) | 液相组成, w(B)/% | J(B)/(g·(100 g S)-1) | 平衡固相① | ||||||
---|---|---|---|---|---|---|---|---|---|---|
w(LiCl) | w(KCl) | w(NH4Cl) | w(H2O) | J(LiCl) | J(KCl) | J(NH4Cl) | J(H2O) | |||
1,A | 1.1039 | 0.00 | 6.18 | 24.91 | 68.91 | 0.00 | 19.88 | 80.12 | 221.65 | NH4Cl + SS2 |
2 | 1.1036 | 0.92 | 6.05 | 23.80 | 69.23 | 2.99 | 19.66 | 77.35 | 224.99 | NH4Cl + SS2 |
3 | 1.1066 | 1.93 | 5.75 | 22.67 | 69.65 | 6.36 | 18.94 | 74.70 | 229.49 | NH4Cl + SS2 |
4 | 1.1120 | 3.24 | 5.71 | 21.46 | 69.59 | 10.65 | 18.78 | 70.57 | 228.84 | NH4Cl + SS2 |
5 | 1.1191 | 5.59 | 5.54 | 18.81 | 70.06 | 18.67 | 18.50 | 62.83 | 234.00 | NH4Cl + SS2 |
6 | 1.1179 | 7.48 | 5.60 | 16.96 | 69.96 | 24.90 | 18.64 | 56.46 | 232.89 | NH4Cl + SS2 |
7 | 1.1231 | 9.54 | 5.25 | 14.83 | 70.38 | 32.21 | 17.72 | 50.07 | 237.61 | NH4Cl + SS2 |
8 | 1.1296 | 11.21 | 4.85 | 13.76 | 70.18 | 37.59 | 16.26 | 46.15 | 235.35 | NH4Cl + SS2 |
9 | 1.1354 | 13.11 | 4.88 | 11.71 | 70.30 | 44.14 | 16.43 | 39.43 | 236.70 | NH4Cl + SS2 |
10,B | 1.1294 | 0.00 | 11.42 | 21.84 | 66.74 | 0.00 | 34.34 | 65.66 | 200.66 | SS2 + SS3 |
11 | 1.1332 | 0.62 | 11.29 | 21.28 | 66.81 | 1.87 | 34.02 | 64.11 | 201.30 | SS2 + SS3 |
12 | 1.1326 | 1.64 | 10.69 | 20.67 | 67.00 | 4.97 | 32.39 | 62.64 | 203.03 | SS2 + SS3 |
13 | 1.1299 | 3.38 | 10.04 | 19.01 | 67.57 | 10.42 | 30.96 | 58.62 | 208.36 | SS2 + SS3 |
14 | 1.1331 | 5.45 | 9.25 | 16.82 | 68.48 | 17.29 | 29.35 | 53.36 | 217.26 | SS2 + SS3 |
15 | 1.1366 | 7.32 | 8.43 | 15.43 | 68.82 | 23.48 | 27.04 | 49.48 | 220.72 | SS2 + SS3 |
16 | 1.1381 | 9.35 | 8.10 | 13.77 | 68.78 | 29.95 | 25.94 | 44.11 | 220.31 | SS2 + SS3 |
17 | 1.1401 | 11.08 | 7.55 | 12.16 | 69.21 | 35.99 | 24.52 | 39.49 | 224.78 | SS2 + SS3 |
18,F1 | 1.1450 | 14.10 | 5.91 | 10.57 | 69.42 | 46.10 | 19.33 | 34.57 | 227.01 | SS2 + SS3 |
19 | 1.1392 | 14.63 | 5.10 | 10.36 | 69.91 | 48.62 | 16.95 | 34.43 | 232.34 | NH4Cl + SS2 + SS3 |
20 | 1.1552 | 16.91 | 4.82 | 9.65 | 68.62 | 53.89 | 15.36 | 30.75 | 218.67 | SS3 + NH4Cl |
21 | 1.1605 | 19.90 | 4.13 | 8.07 | 67.90 | 61.99 | 12.87 | 25.14 | 211.53 | SS3 + NH4Cl |
22 | 1.1725 | 22.94 | 3.32 | 6.74 | 67.00 | 69.52 | 10.06 | 20.42 | 203.03 | SS3 + NH4Cl |
23 | 1.1710 | 24.72 | 2.88 | 6.18 | 66.22 | 73.18 | 8.53 | 18.29 | 196.03 | SS3 + NH4Cl |
24 | 1.1923 | 28.08 | 2.56 | 5.30 | 64.06 | 78.13 | 7.12 | 14.75 | 178.24 | SS3 + NH4Cl |
25 | 1.2166 | 31.44 | 2.44 | 4.69 | 61.43 | 81.51 | 6.33 | 12.16 | 159.27 | SS3 + NH4Cl |
26,C | 1.1697 | 0.00 | 23.74 | 3.40 | 72.86 | 0.00 | 87.47 | 12.53 | 268.46 | KCl + SS3 |
27 | 1.1655 | 0.76 | 22.90 | 3.34 | 73.00 | 2.82 | 84.82 | 12.36 | 270.30 | KCl + SS3 |
28 | 1.1582 | 1.92 | 21.34 | 3.32 | 73.42 | 7.21 | 80.31 | 12.48 | 276.17 | KCl + SS3 |
29 | 1.1575 | 4.02 | 18.79 | 3.24 | 73.95 | 15.43 | 72.13 | 12.44 | 283.91 | KCl + SS3 |
30 | 1.1572 | 5.03 | 17.48 | 3.19 | 74.30 | 19.57 | 68.01 | 12.42 | 289.05 | KCl + SS3 |
31 | 1.1547 | 5.71 | 16.85 | 3.16 | 74.28 | 22.20 | 65.50 | 12.30 | 288.77 | KCl + SS3 |
32 | 1.1541 | 6.52 | 15.86 | 3.13 | 74.49 | 25.55 | 62.19 | 12.26 | 292.07 | KCl + SS3 |
33 | 1.1495 | 7.73 | 14.52 | 3.10 | 74.65 | 30.49 | 57.30 | 12.21 | 294.47 | KCl + SS3 |
34 | 1.1488 | 9.20 | 13.17 | 3.10 | 74.53 | 36.11 | 51.73 | 12.16 | 292.64 | KCl + SS3 |
35 | 1.1481 | 10.70 | 11.25 | 3.03 | 75.02 | 42.84 | 45.01 | 12.15 | 300.26 | KCl + SS3 |
36 | 1.1489 | 11.66 | 10.43 | 2.88 | 75.03 | 46.70 | 41.76 | 11.54 | 300.53 | KCl + SS3 |
37 | 1.1490 | 12.77 | 9.56 | 2.84 | 74.83 | 50.74 | 37.98 | 11.28 | 297.22 | KCl + SS3 |
38 | 1.1498 | 14.37 | 8.16 | 2.82 | 74.65 | 56.69 | 32.17 | 11.14 | 294.46 | KCl + SS3 |
39 | 1.1499 | 15.25 | 7.41 | 2.69 | 74.65 | 60.14 | 29.25 | 10.61 | 294.49 | KCl + SS3 |
40 | 1.1525 | 16.61 | 6.68 | 2.27 | 74.44 | 64.99 | 26.14 | 8.87 | 291.31 | KCl + SS3 |
41 | 1.1708 | 19.05 | 4.15 | 2.16 | 74.64 | 75.11 | 16.39 | 8.50 | 294.30 | KCl + SS3 |
42 | 1.1809 | 22.10 | 3.05 | 1.76 | 73.09 | 82.14 | 11.31 | 6.55 | 271.63 | KCl + SS3 |
43 | 1.2018 | 28.67 | 2.71 | 1.88 | 66.74 | 86.18 | 8.17 | 5.65 | 200.62 | KCl + SS3 |
44,D | 1.2734 | 44.39 | 3.52 | 0.00 | 52.09 | 92.65 | 7.35 | 0.00 | 108.72 | KCl + LiCl·H2O |
表2 四元体系Li+, K+, NH4+ // Cl- - H2O 298.2 K固液相平衡数据
Table 2 Solid-liquid phase equilibrium data of the quaternary system Li+, K+, NH4+ // Cl- - H2O at 298.2 K
编号 | 密度/ (g·cm-3) | 液相组成, w(B)/% | J(B)/(g·(100 g S)-1) | 平衡固相① | ||||||
---|---|---|---|---|---|---|---|---|---|---|
w(LiCl) | w(KCl) | w(NH4Cl) | w(H2O) | J(LiCl) | J(KCl) | J(NH4Cl) | J(H2O) | |||
1,A | 1.1039 | 0.00 | 6.18 | 24.91 | 68.91 | 0.00 | 19.88 | 80.12 | 221.65 | NH4Cl + SS2 |
2 | 1.1036 | 0.92 | 6.05 | 23.80 | 69.23 | 2.99 | 19.66 | 77.35 | 224.99 | NH4Cl + SS2 |
3 | 1.1066 | 1.93 | 5.75 | 22.67 | 69.65 | 6.36 | 18.94 | 74.70 | 229.49 | NH4Cl + SS2 |
4 | 1.1120 | 3.24 | 5.71 | 21.46 | 69.59 | 10.65 | 18.78 | 70.57 | 228.84 | NH4Cl + SS2 |
5 | 1.1191 | 5.59 | 5.54 | 18.81 | 70.06 | 18.67 | 18.50 | 62.83 | 234.00 | NH4Cl + SS2 |
6 | 1.1179 | 7.48 | 5.60 | 16.96 | 69.96 | 24.90 | 18.64 | 56.46 | 232.89 | NH4Cl + SS2 |
7 | 1.1231 | 9.54 | 5.25 | 14.83 | 70.38 | 32.21 | 17.72 | 50.07 | 237.61 | NH4Cl + SS2 |
8 | 1.1296 | 11.21 | 4.85 | 13.76 | 70.18 | 37.59 | 16.26 | 46.15 | 235.35 | NH4Cl + SS2 |
9 | 1.1354 | 13.11 | 4.88 | 11.71 | 70.30 | 44.14 | 16.43 | 39.43 | 236.70 | NH4Cl + SS2 |
10,B | 1.1294 | 0.00 | 11.42 | 21.84 | 66.74 | 0.00 | 34.34 | 65.66 | 200.66 | SS2 + SS3 |
11 | 1.1332 | 0.62 | 11.29 | 21.28 | 66.81 | 1.87 | 34.02 | 64.11 | 201.30 | SS2 + SS3 |
12 | 1.1326 | 1.64 | 10.69 | 20.67 | 67.00 | 4.97 | 32.39 | 62.64 | 203.03 | SS2 + SS3 |
13 | 1.1299 | 3.38 | 10.04 | 19.01 | 67.57 | 10.42 | 30.96 | 58.62 | 208.36 | SS2 + SS3 |
14 | 1.1331 | 5.45 | 9.25 | 16.82 | 68.48 | 17.29 | 29.35 | 53.36 | 217.26 | SS2 + SS3 |
15 | 1.1366 | 7.32 | 8.43 | 15.43 | 68.82 | 23.48 | 27.04 | 49.48 | 220.72 | SS2 + SS3 |
16 | 1.1381 | 9.35 | 8.10 | 13.77 | 68.78 | 29.95 | 25.94 | 44.11 | 220.31 | SS2 + SS3 |
17 | 1.1401 | 11.08 | 7.55 | 12.16 | 69.21 | 35.99 | 24.52 | 39.49 | 224.78 | SS2 + SS3 |
18,F1 | 1.1450 | 14.10 | 5.91 | 10.57 | 69.42 | 46.10 | 19.33 | 34.57 | 227.01 | SS2 + SS3 |
19 | 1.1392 | 14.63 | 5.10 | 10.36 | 69.91 | 48.62 | 16.95 | 34.43 | 232.34 | NH4Cl + SS2 + SS3 |
20 | 1.1552 | 16.91 | 4.82 | 9.65 | 68.62 | 53.89 | 15.36 | 30.75 | 218.67 | SS3 + NH4Cl |
21 | 1.1605 | 19.90 | 4.13 | 8.07 | 67.90 | 61.99 | 12.87 | 25.14 | 211.53 | SS3 + NH4Cl |
22 | 1.1725 | 22.94 | 3.32 | 6.74 | 67.00 | 69.52 | 10.06 | 20.42 | 203.03 | SS3 + NH4Cl |
23 | 1.1710 | 24.72 | 2.88 | 6.18 | 66.22 | 73.18 | 8.53 | 18.29 | 196.03 | SS3 + NH4Cl |
24 | 1.1923 | 28.08 | 2.56 | 5.30 | 64.06 | 78.13 | 7.12 | 14.75 | 178.24 | SS3 + NH4Cl |
25 | 1.2166 | 31.44 | 2.44 | 4.69 | 61.43 | 81.51 | 6.33 | 12.16 | 159.27 | SS3 + NH4Cl |
26,C | 1.1697 | 0.00 | 23.74 | 3.40 | 72.86 | 0.00 | 87.47 | 12.53 | 268.46 | KCl + SS3 |
27 | 1.1655 | 0.76 | 22.90 | 3.34 | 73.00 | 2.82 | 84.82 | 12.36 | 270.30 | KCl + SS3 |
28 | 1.1582 | 1.92 | 21.34 | 3.32 | 73.42 | 7.21 | 80.31 | 12.48 | 276.17 | KCl + SS3 |
29 | 1.1575 | 4.02 | 18.79 | 3.24 | 73.95 | 15.43 | 72.13 | 12.44 | 283.91 | KCl + SS3 |
30 | 1.1572 | 5.03 | 17.48 | 3.19 | 74.30 | 19.57 | 68.01 | 12.42 | 289.05 | KCl + SS3 |
31 | 1.1547 | 5.71 | 16.85 | 3.16 | 74.28 | 22.20 | 65.50 | 12.30 | 288.77 | KCl + SS3 |
32 | 1.1541 | 6.52 | 15.86 | 3.13 | 74.49 | 25.55 | 62.19 | 12.26 | 292.07 | KCl + SS3 |
33 | 1.1495 | 7.73 | 14.52 | 3.10 | 74.65 | 30.49 | 57.30 | 12.21 | 294.47 | KCl + SS3 |
34 | 1.1488 | 9.20 | 13.17 | 3.10 | 74.53 | 36.11 | 51.73 | 12.16 | 292.64 | KCl + SS3 |
35 | 1.1481 | 10.70 | 11.25 | 3.03 | 75.02 | 42.84 | 45.01 | 12.15 | 300.26 | KCl + SS3 |
36 | 1.1489 | 11.66 | 10.43 | 2.88 | 75.03 | 46.70 | 41.76 | 11.54 | 300.53 | KCl + SS3 |
37 | 1.1490 | 12.77 | 9.56 | 2.84 | 74.83 | 50.74 | 37.98 | 11.28 | 297.22 | KCl + SS3 |
38 | 1.1498 | 14.37 | 8.16 | 2.82 | 74.65 | 56.69 | 32.17 | 11.14 | 294.46 | KCl + SS3 |
39 | 1.1499 | 15.25 | 7.41 | 2.69 | 74.65 | 60.14 | 29.25 | 10.61 | 294.49 | KCl + SS3 |
40 | 1.1525 | 16.61 | 6.68 | 2.27 | 74.44 | 64.99 | 26.14 | 8.87 | 291.31 | KCl + SS3 |
41 | 1.1708 | 19.05 | 4.15 | 2.16 | 74.64 | 75.11 | 16.39 | 8.50 | 294.30 | KCl + SS3 |
42 | 1.1809 | 22.10 | 3.05 | 1.76 | 73.09 | 82.14 | 11.31 | 6.55 | 271.63 | KCl + SS3 |
43 | 1.2018 | 28.67 | 2.71 | 1.88 | 66.74 | 86.18 | 8.17 | 5.65 | 200.62 | KCl + SS3 |
44,D | 1.2734 | 44.39 | 3.52 | 0.00 | 52.09 | 92.65 | 7.35 | 0.00 | 108.72 | KCl + LiCl·H2O |
图8 298.2 K下氯化钾晶体(a),共饱点F1[(b)、(c)],氯化铵晶体(d),共饱点F2[(e)、(f)]的SEM图
Fig.8 SEM images of KCl crystals (a), the invariant point F1[(b), (c)], NH4Cl crystals (d) and the invariant point F2[(e), (f)]
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