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Table 1 Experimental setting and amount of used additives (GFH or 40% FeCl3 solution)

From: Hydrogen sulfide removal from geothermal fluids by Fe(III)-based additives

Experimental setting Type and amount of additive per volume thermal water Filtered and monitored
A_0 (no compressor) 0
A_1 500 mL GFH in 300 L (0.85 g/L) no
B_0 (no compressor) 0
B_1 500 mL GFH in 300 L (0.85 g/L) yes
C_0_1 (no compressor) 0
C_0_2 (compressor) 0
C_1_1 (compressor) 55 ml GFH in 300 L (0.094 g/L) yes
C_1_2 (compressor) 55 ml GFH in 300 L (total 0.187 g/L) yes
D_0 (compressor) 0 yes
D_1 50 mL GFH in 400 L (0.06 g/L) yes
E_0 (compressor) 0 yes
E_1 75 mL FeCl3 in 400 L yes