Application Type
Patents
Application SubType
PCT
(10) Registration Number and Date
Status
Filed-Accordance of filing date
(180) Expiration Date
(20) Filing Number and Date
PG P/2026/000007 2024.05.16
(40) Publication Number and Date
(86) PCT Filing Number and Date
(87) PCT Publication Number and Date
(85) National Entry Date
(30) Priority Details
(72) Inventor
(EN) CHOI, Heon Sik : Park-3101, 234 Beonyeong-ro, Nam-gu, Ulsan 44696 (KR)
(EN) JOO, Jae Hoon : 14-211, 18 Seoyeongnam 1-gil, Onsan-eup, Ulju-gun, Ulsan 45003 (KR)
(74) Representative Name
(EN) SPRUSON & FERGUSON : C/- REMARKS PACIFIC LIMITED, PO BOX 75, GORDONS, NATIONAL CAPITAL DISTRICT
(54) Title
(EN) METHOD FOR PRODUCING PALLADIUM FROM AG SLIME
(57) Abstract
(EN) --

Disclosed in an embodiment of the present invention is a method for producing palladium from an Ag slime, the method comprising: a gold separation step of preparing a separated filtrate in which palladium is leached by adding the Ag slime to an acid solution; a neutralization step of preparing a neutralized precipitate including palladium oxide by adding a neutralizing agent to the separated filtrate; a hydrochloric acid leaching step of preparing a hydrochloric acid leachate in which the palladium and platinum are leached, by adding hydrochloric acid to a filtrate including the neutralized precipitate; a chloride precipitation step of preparing a chloride precipitate containing the palladium by adding a precipitating agent to the hydrochloric acid leachate; and a purification step of recovering the palladium from the chloride precipitate.

(58) Citations
Document Type Date Action
Event NameDateStatus
Filing2024.05.16Filed
PCT National Phase Entry2024.05.16PCT National Phase
Filing2026.03.20Filed