Systematic Study of Geothermal Brine Reinjection for SaltPower Generation Purposes: Citric Acid as a Potential Iron Control Agent

•Geothermal energy and osmotic power unit;•Reinjection of geothermal brine;•Application of citric acid to avoid scaling and improve the reinjection well;•Isothermal titration calorimetry;•Core flooding experiments with brine and sandstone;