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정수복 ( Soo Bok Jeong ),김완태 ( Wan Tae Kim ),채영배 ( Young Bae Chae ),임정한 ( Jung Han Rim ) 한국광물학회 2002 광물과 암석 (J.Miner.Soc.Korea) Vol.15 No.4
Dry-based processes such as crushing, milling, sieving, magnetic and gravity separation were employed in order to investigate the purification characteristics of bentonite. The CECs of Gampo 13 and 35 bentonites were estimated at 88.3 and 93.9 meq/100 g and the samples contained quartz and feldspar as impurity minerals. According to the physical properties of constituent minerals of bentonite, the purification techniques were adopted to enhance the grade of montmorillonite. High grade of montmorillonite could be obtained by the combination of each process. Consequently, the recovery of final products of Gampo 13 and 35 bentonite were 68.6 and 49.5%, and the CECs of them were 96.9 and 109.6 meq/100 g, respectively.
벤토나이트로부터 몬모릴로나이트의 선택적 분리를 위한 습식 고순도화
김완태 ( Wan Tae Kim ),채영배 ( Young Bae Chae ),정수복 ( Soo Bok Jeong ),임정한 ( Jung Han Rim ) 한국광물학회 2002 광물과 암석 (J.Miner.Soc.Korea) Vol.15 No.4
Wet purification process for the selective separation of montmorillonite from Gampo 13 and 35 bentonite ores was studied using physical processes such as ultrasonic scrubbing, decantation and centrifugation. Ultrasonic Scrubbing of Gampo 13 and 35 bentonite ores was revealed excellent result at 7 wt.% of slurry density and was almost finished within 30 minutes in the sample of Gampo 13 and 10 minutes in the sample of Gampo 35, respectively. After decantation, approximately 52 wt,% from the bentonite of Gampo 13 and 64wt.% from the bentonite of Gampo 35 were recovered as purified products and the CEC was reached up to 119.4 meq/100 g and 124.5 meq/100 g, respectively. Particle separation by centrifugation showed that most of the impurity minerals such as quartz and feldspar were removed within the condition of 1.000 rpm.
초전도 소자 병렬 연결에 따른 자속구속형 한류기의 전류제한 특성
박형민(Hyoung-Min Park),조용선(Yong-Sun Cho),최효상(Hyo-Sang Choi),오금곤(Geum-Kon Oh),정수복(Soo-Bok Jung),임성훈(Sung-Hun Lim),최명호(Myong-Ho Choi) 한국조명·전기설비학회 2007 한국조명·전기설비학회 학술대회논문집 Vol.2007 No.5월
We investigated the quench characteristics of a superconducting element, two superconducting elements in order to increase the current capacity of flux lock type SFCL. The flux-lock type SFCL consisted of the transformer with a primary winding and a secondary winding connected in parallel, and the superconducting element was connected with secondary winding in series. The applied voltage at that time was 160√3. We found that the parallel connection between the superconducting elements increased the power capacity and let quench characteristics improve through their mutual linkage.