Skip to main content

Science – Society – Technology

Table 4 Pre-experiment III: mixing a 40% FeCl3 solution with thermal water in different ratios

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

Mixing ratio FeCl3 added (mg/L) pH Suspension color Hydrogen sulfide (mg/L)
1: 100 2000 1.3 Red nm
1: 1000 200 2.8 nm
1:10,000 20 (0.4 mM) 6.9 Black nm
1:4000 50 6.1 2.2
1:8000 25 6.17 5