RECOVERING METHOD OF CONCENTRATED PRECIOUS METAL BY USING BORON COMPOUNDS AND MANUFACTURING METHOD OF SLAG FOR CEMENT

• Main Authors: KIM, YOUNG JAE, PARK, HYUN SIK, KIM, MIN SEOK, HA, MIN CHUL
• Format: Patent
• Language: English; Korean
• Published: 19.09.2017
• Subjects: ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; FERROUS OR NON-FERROUS ALLOYS; LIME, MAGNESIA; METALLURGY; PRETREATMENT OF RAW MATERIALS; PRODUCTION AND REFINING OF METALS; REFRACTORIES; SLAG; TREATMENT OF ALLOYS OR NON-FERROUS METALS; TREATMENT OF NATURAL STONE

One embodiment of the present invention, the present invention provides a precious metal concentration and recovery method using a boron compound, comprising: a step of crushing a copper containing substance and preparing a mixture mixed with a gold concentrate; a step of thermally treating the prepared mixture to be oxidizing-roasted; a step of enabling the oxidizing roasted mixture to be molten and inputting the boron compound to generated slag; and a step of separating and recovering crude metal and the slag. 본 발명의 일 실시예는 구리 함유 물질을 파쇄하고, 금정광과 혼합한 혼합물을 마련하는 단계(단계 1); 상기 마련된 혼합물을 열처리하여 산화배소하는 단계(단계 2); 상기 산화배소된 혼합물을 용융시키고, 발생되는 슬래그에 붕소 화합물을 투입하는 단계(단계 3); 및 상기 단계 3이 수행된 슬래그 및 조금속을 분리 회수하는 단계(단계 4);를 포함하는, 붕소 화합물을 통한 귀금속 농축 회수방법을 제공한다.