High Temperature Corrosion of Inconel 600 in NaCl-KCl Molten Salts

Table 2

Chemical reactions and equilibrium constants for the Fe-Cr-Ni-Cl-O system.

Number	Reaction
		700^°C	800^°C	900^°C
1	Cr(s) + Cl2 =	15.2418	13.2619	11.7406
2	Fe(s) + Cl2 = FeCl2(l)	11.8886	10.4408	9.2427
3	Ni(s) + Cl2 =	8.5735	7.0918	5.8697
4	2Fe(s) + O2 = 2FeO(s)	22.3934	19.7013	17.4531
5	2Ni(s) + O2 = 2NiO(s)	16.3501	13.9913	12.0392
6	6FeO(s) + O2 = 2	18.7011	15.8875	13.5643
7	3FeCl2(l) + 2O2 = + 3Cl2	7.2749	6.1735	5.2338
8	4 + O2 = 6	10.9159	8.4684	6.4435
9	2 + 4Cl2 = 4 + 3O2	−33.7821	−30.4114	−27.1388
10	2 + 4Cl2 = 4FeCl2(l) + 3O2	−13.3384	−11.0541	−9.1263
11	4Cr(s) + 3O2 = 2	94.7492	83.4590	74.1012
12	2FeO(s) + 2Cl2 = 2FeCl2(L) + O2	1.3838	1.1802	1.0322
13	2NiO(s) + 2Cl2 = 2 + O2	0.7969	0.1923	−0.2999
14	2 + Cl2 = 2	5.0434	3.6087	2.1961
15	2FeCl2(L) + Cl2 = 2FeCl3(L)	0.9457	0.5304	0.1967
16	2 + 6Cl2 = 4 + 3O2	−23.6952	−23.1939	−22.7465
17	2 + 6Cl2 = 4FeCl3(L) + 3O2	−11.4470	−9.9933	−8.7329