[논문]초임계유체 공정과 분리기술의 응용

윤순도; 변헌수

doi:10.7464/ksct.2012.18.2.123

초임계유체 공정과 분리기술의 응용
Application of Separation Technology and Supercritical Fluids Process 원문보기

청정기술 = Clean technology, v.18 no.2 = no.57, 2012년, pp.123 - 143

윤순도 (전남대학교 공학대학 생명화학공학부) , 변헌수 (전남대학교 공학대학 생명화학공학부)

초록
AI-Helper

초임계유체기술은 최근 다양한 화학 산업 분야에서 새로운 관심을 모으고 있는 신기술의 하나라 할 수 있다. 초임계유체기술은 높은 용해성, 빠른 침투성, 빠른 물질 이동 등의 초임계유체 장점을 이용한 기술로써 친환경, 에너지 절감, 고효율성을 가진 현재로서 가장 효과적이고 실용적인 기술이라 하겠다. 이러한 특징을 가진 초임계유체기술을 이용한 응용 기술의 잠재력을 분석 및 평가하고 개발하는 것은 필수적이다. 따라서 본 총설에서는 초임계유체기술의 응용 측면에서 초임계유체내에서 고분자 중합 공정의 최적화를 위한 기초자료인 모노머/고분자의 고온 고압에서 초임계유체 내에서의 상거동 현상을 설명하고, 이러한 자료를 통해 초임계유체 내에서 특정물질을 분리 할 수 있는 분자인식고분자의 제조와 성능 평가에 대해 소개하였다.

Abstract ▼ AI-Helper

Supercritical fluid technology (SFT) is recently one of the most new techniques, which has been interested various fields of related chemical industries. SFT is the most effective and practical technology with eco-friendly, energy-savings, and high efficiency as the technique using the advantages of supercritical fluid such as high solvation power, solubility, mass transfer rate, and diffusion rate. Especially, it is necessary to analyze, evaluate, and develop the potential of application techniques using SFT with these characterizations. Therefore in this review, the phase behavior in supercritical fluid at high temperature and pressure of monomers/polymers for the optimization of polymerization process are briefly described, and the preparation of molecularly imprinted polymers (MIPs) in supercritical fluid using supercritical polymerization and the performance evaluation of MIPs are introduced.

주제어

질의응답

핵심어	질문	논문에서 추출한 답변
	초임계유체란?	초임계유체(Supercritical fluid; SCF)란 임계압력 및 입계온도 이상의 조건을 갖는 상태에 있는 물질로 정의되며, 일반적인 액체나 기체와는 다른 고유의 특성을 가진다. 초임계 상태의 물리적인 특성은 기체와 액체의 중간정도의 물성을 가지며, 상변화 없이도 약간의 압력, 온도 변화에 따라 물성을 변화시킬수 있으며, 표면장력이 없기 때문에 세공구조에도 쉽게 침투하고 확산력이 좋으며 물질전달 속도가 크다는 장점이 있다.
	초임계유체기술 크게 어떻게 분류되는가?	초임계유체기술은 크게 분리기술(separation technology), 반응기술(reaction technology), 재료기술(materials technology)의 3가지로 분류되며 뿌리 부분에 공통핵심기술이 자리 잡고 있다 (Figure 2). 분리․정제기술은 추출(extraction), 세정(cleaning), 분획(fractionation), 건조(drying) 등이 포함되며, 반응기술에는 초임계유체가 반응용매 또는 반응물로서 사용된다.
	초임계유체기술 중 분리, 정제기술에는 무엇이 포함되는가?	초임계유체기술은 크게 분리기술(separation technology), 반응기술(reaction technology), 재료기술(materials technology)의 3가지로 분류되며 뿌리 부분에 공통핵심기술이 자리 잡고 있다 (Figure 2). 분리․정제기술은 추출(extraction), 세정(cleaning), 분획(fractionation), 건조(drying) 등이 포함되며, 반응기술에는 초임계유체가 반응용매 또는 반응물로서 사용된다. 초임계수산화반응(supercritical water oxidation)에서는 물을 초임계상태로 하여 반응용매로서 사용하지만 초임계 가수반응(supercritical hydration) 또는 수화반응(supercritical hydrolysis)에서는 반응용매와 더불어 반응물로서 작용한다.

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저장형식	Text(ASCII format) Excel format RefWorks Direct Export RIS format (for Reference Manager, ProCite, EndNote), Scholar's Aids, Mendeley
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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