Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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A Study on the Calcium Ion Extraction for PCC Production

PCC 제조를 위한 칼슘이온 추출 조건에 관한 연구

  • Lee, Ye-Hwan (Department of Environmental Energy Engineering, Graduate School of Kyonggi University) ;
  • Lee, Sang Hyun (Department of Environmental Energy Engineering, Graduate School of Kyonggi University) ;
  • Hwang, In-Hyuck (Department of Environmental Energy Engineering, Graduate School of Kyonggi University) ;
  • Choi, Sung-Yeol (Department of Environmental Energy Engineering, Graduate School of Kyonggi University) ;
  • Lee, Sang Moon (Department of Environmental Energy Engineering, Kyonggi University) ;
  • Kim, Sung Su (Department of Environmental Energy Engineering, Kyonggi University)
  • 이예환 (경기대학교 일반대학원 환경에너지공학과) ;
  • 이상현 (경기대학교 일반대학원 환경에너지공학과) ;
  • 황인혁 (경기대학교 일반대학원 환경에너지공학과) ;
  • 최성열 (경기대학교 일반대학원 환경에너지공학과) ;
  • 이상문 (경기대학교 환경에너지공학과) ;
  • 김성수 (경기대학교 환경에너지공학과)
  • Received : 2017.10.13
  • Accepted : 2017.11.16
  • Published : 2018.02.10
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Abstract

In this study, we performed various extraction condition experiments such as types and concentrations of extractants, amounts of extraction sources, pretreatment processes, to optimize the calcium ion extraction for precipitated calcium carbonate (PCC) production. CaO was used as a calcium extraction source, The extraction amount of calcium ions and the particle size of CaO were determined by ICP and SEM results. As a result, 100% calcium ion was extracted when 2 M hydrochloric acid was used as an extractant, and the optimum amount of the extraction source was 6 g. On the other hand, it was confirmed that the reaction time, reaction temperature, particle milling and heat treatment process had no significant effect on the calcium ion extraction amount.

본 연구에서는 PCC (precipitated calcium carbonate) 제조에 있어 칼슘이온 추출 최적화를 위하여 추출 용제, 용제의 농도, 추출원의 투입량, 전처리 공정 등 다양한 추출 조건에 따른 실험을 수행하였다. 칼슘추출원으로 CaO를 사용하였으며, 칼슘이온의 추출량과 CaO의 입자크기를 확인하기 위하여 ICP와 SEM 분석을 수행하였다. 그 결과 2 M의 hydrochloric acid를 용제로 사용한 경우 100%의 칼슘이온이 추출되었으며, 추출원의 최적 투입량은 6 g으로 확인하였다. 반면 반응시간, 반응온도, 입자 분쇄 및 열처리 공정은 칼슘이온 추출량에 큰 영향이 없음을 확인하였다.

Keywords

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