유기용제용 시료채취기 개발을 위한 활성탄 성능검정에 관한 연구

Development of an Sampling Tube for Organic Solvents and Study on the Adsorption Capacity of the Activated Charcoal

  • 배야성 (한성대 안전보건경영대학원 안전과학기술연구소) ;
  • 박두용 (한성대 안전보건경영대학원 안전과학기술연구소) ;
  • 임대성 (한성대 안전보건경영대학원 안전과학기술연구소) ;
  • 박병무 (한성대 안전보건경영대학원 안전과학기술연구소)
  • Bai, Ya Soung (Division of Industrial Hygiene Engineering Graduate School of Occupational Safety and Health Hansung University) ;
  • Park, Doo Young (Division of Industrial Hygiene Engineering Graduate School of Occupational Safety and Health Hansung University) ;
  • Lim, Dai Soung (Division of Industrial Hygiene Engineering Graduate School of Occupational Safety and Health Hansung University) ;
  • Park, Byung Moo (Division of Industrial Hygiene Engineering Graduate School of Occupational Safety and Health Hansung University)
  • 투고 : 2003.12.24
  • 심사 : 2005.02.21
  • 발행 : 2005.03.30

초록

Adsorption capacity for the charcoal were tasted in this study to verify the performance of them for the use of the sampling media in industrial hygiene field. Two set of experiments were conducted. The first experiment was to test performance of the tested charcoal tube that were assembled in the laboratory with the use of the GR grade charcoal. The other tests were investigate the adsorption capacity of the charcoal tested in this study and charcoals embedded in the commercial charcoal tubes. Known air concentration samples for benzene, toluene, and o-xylene were prepared by the dynamic chamber. 1. At low air concentration levels (0.1${\times}$TLV), there was no significant differences between the tested charcoal tubes and the SKC charcoal tubes. This implies that there is no defect with the adsorption capacity of the charcoal. 2. At high concentration with 60 minutes sampling, the breakthrough were found only in the tested charcoal while no breakthrough were shown in the SKC charcoal. 3. From the breakthrough tests for the charcoal, the micropore volume(Wo) were calculated by the curve fitting with the use of Dubinin/Radushkevich(D/R) adsorption isotherm equation. The calculated values were 0.687cc/g for SKC, 0.504cc/g for Sensidyne, and 0.419cc/g for the tested charcoal(Aldrich). 4. Adsorption capacities were obtained from the isotherm curves shown adsorption capacities at several levels of the challenge concentration. All range of the air concentration concerned in industrial hygiene, the SKC charcoal showed approximately two times of adsorption capacity compared to the tested charcoal.

키워드

참고문헌

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