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김수강 ( Su-gang Kim ),전호석 ( Ho-seok Jeon ),백상호 ( Sang-ho Baek ),김병곤 ( Byoung-gon Kim ) 한국광물학회 2015 광물과산업 Vol.28 No.-
In this study, it was carried out separation process research and development to be able to produce high-grade tungsten concentrate form tungsten taken form Mongolia. In order to reduce treatment cost and increase separation efficiency the jig separation at first was applied for recovering the concentrate. Which reground would make the degree of liberation increase. Which was treated by shaking table to reject the gangue minerals from the first concentrate. Because the heavier product contains not only ferberite but also cassiterite, the product was treated by further dry magnetic separation to obtain the ferberite concentrate. Finally, the high-grade ferberite concentrate of 67.63% WO3 could be obtained with recovery of 86.07% through the separation process developed in this study.
폐자동차(廢自動車) 라디에이터로부터 Nylon 회수(回收)를 위한 마찰하전정전선별(摩擦荷電靜電選別) 기술개발(技術開發)
백상호,전호석,김수강,이광훈,Baek, Sang-Ho,Jeon, Ho-Seok,Kim, Su-Gang,Lee, Kwang-Hoon 한국자원리싸이클링학회 2013 資源 리싸이클링 Vol.22 No.1
본 연구에서는 마찰하전정전선별을 적용하여 폐자동차 라디에이터의 Nylon을 회수하기 위한 재질분리 연구를 수행하였다. 시료(Nylon, PP glass)의 효율적인 재질분리를 위하여, 각각의 시료를 대상으로 다양한 하전재질에 따른 하전극성과 하전량을 faraday cage로 조사하였다. 그리고 시료를 분극할 수 있는 재질을 대상으로 기초 분리실험을 수행하여 하전재질을 선정하였다. 선정된 하전재질을 사용하여 연속처리가 가능한 마찰하전정전선별 장치를 개발하였으며, 다양한 조건별로 분리실험을 수행하여 시료의 회수 가능성을 확인하였다. The study on the recovery of Nylon from a radiator of End-of-Life Vehicle was conducted by using triboelectrostatic separation technique. For the effective separation of the sample(Nylon, PP glass), charge polarity and amount of each sample with various charging materials have been investigated by faraday cage. And then, charging material was selected as carrying out basic separation experiments with materials that can be possible to polarize samples. Finally, the continuos type triboelectrostatic separator was developed with selected charging material and the recovery possibility of the sample was confirmed as carrying out various separation experiments.
이광훈 ( Kwang Hoon Lee ),전호석 ( Ho Seok Jeon ),백상호 ( Sang Ho Baek ),김수강 ( Su Gang Kim ) 한국광물학회 2012 광물과산업 Vol.25 No.-
In this present work, the froth flotation of lithium ore from Boam mine located in Wooljin, Kyungbuk has been carried out to produce high-grade lithium concentrate, The sample ore-Lepidolite mainly contained silicate mineral (quartz, muscovite) and calcite. In consequences of the experiment, it has been possible to obtain relatively high-grade lithium while using anionic acid (oleic acid) to remove calcite before the froth flotation for lithium concentrate. Among the amines collectors (Armac-T, Armac-C, Armafloat-18, Armafloat-1597), Armac-T has been relatively effective than another ones. Under the optimum condition (collector : Armac-T 100g/t, frother :AF65 50g/t, depressants : Na_2SiO_3 600g/t and Lactic acid 100g/t, pulp density : 20%, pH 5.5, number of cleaning : 2), it has been obtained relatively high-grade lithium concentrate(Li_2O) with recovery of 80.3% and with grade of 4.33%.