BOPI 11 BR/2024 REPERTOIRE NUMERIQUE 20 (72) SANDOVAL, Scot Philip (US); TALLMAN, Stanberg Lee (US); SANDERS, William Duane (US); GEBREHIWOT, Ephrem Lemlem (US) et TYAB, Aron (US) (73) FREEPORT MINERALS CORPORATION, 333 North Central Avenue, PHOENIX, Arizona 85004 (US) (74) S.C.P AKKUM, AKKUM & Associates, No. 1777, rue 6.261, Yaoundé 2, Auditorium Jean Paul II boulevard, Face Brigade de Gendarmerie, Mbankolo, B.P. 4966, YAOUNDE (CM). (57) A method of acid mist suppression in copper electrowinning is described. In various embodiments, at least one liquid licorice root extract, powdered licorice root extract, or reconstituted licorice extract is added in an amount sufficient to the acidic electrolyte solution of the copper electrowinning process to suppress acid mist from the acidic electrolyte solution during the copper electrowinning process. In various embodiments, combinations of licorice extract and surfactant show synergies in acid mist suppression during copper electrowinning. Fig. 2 ________________________________________ (11) 21701 Consulter le mémoire (51) A01N 43/36 (2023.01) ; A01P 13/02 (2023.01) (21) 1202400130 - PCT/GB2023/051073 (22) 24/04/2023 (30) EP n° 22305609.4 du 25/04/2022 (54) Herbicide combinations, composition and method for controlling harmful plants.
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