Studies on the Physico-chemical Properties of Vitrified Forms of the Low- and Intermediate-level Radioactive Waste

${\cdot}$저준위 방사성폐기물 유리고화체의 물리${\cdot}$화학적 특성 연구

  • Kim, Cheon-Woo (Nuclear Environment Technology Institute, Korea Hydro & Nuclear Power Co., LTD) ;
  • Park, Byoung-Chul (Nuclear Environment Technology Institute, Korea Hydro & Nuclear Power Co., LTD) ;
  • Kim, Hyang-Mi (Nuclear Environment Technology Institute, Korea Hydro & Nuclear Power Co., LTD) ;
  • Kim, Tae-Wook (Nuclear Environment Technology Institute, Korea Hydro & Nuclear Power Co., LTD) ;
  • Choi, Kwan-Sik (Nuclear Environment Technology Institute, Korea Hydro & Nuclear Power Co., LTD) ;
  • Park, Jong-Kil (Nuclear Environment Technology Institute, Korea Hydro & Nuclear Power Co., LTD) ;
  • Shin, Sang-Woon (Nuclear Environment Technology Institute, Korea Hydro & Nuclear Power Co., LTD) ;
  • Song, Myung-Jae (Nuclear Environment Technology Institute, Korea Hydro & Nuclear Power Co., LTD)
  • 김천우 (한국수력원자력(주) 원자력환경기술원) ;
  • 박병철 (한국수력원자력(주) 원자력환경기술원) ;
  • 김향미 (한국수력원자력(주) 원자력환경기술원) ;
  • 김태욱 (한국수력원자력(주) 원자력환경기술원) ;
  • 최관식 (한국수력원자력(주) 원자력환경기술원) ;
  • 박종길 (한국수력원자력(주) 원자력환경기술원) ;
  • 신상운 (한국수력원자력(주) 원자력환경기술원) ;
  • 송명재 (한국수력원자력(주) 원자력환경기술원)
  • Published : 2001.01.01

Abstract

In order to vitrify the Ion-Exchange Resin(IER), Dry Active Waste(DAW), and borate concentrate generated from the commercial nuclear facilities, the glass formulation study based on the their compositions was performed. Two glasses named as RG-1 and DG-1 were formulated as the candidate glasses for the vitrification of hte IER and DAW, respectively. A glass named as MG-1 was also formulated as a candidate glass for the vitrification of the mixed wastes containing the IER, DAW, and borate concentrate. The process parameters, product qualities, and economics were evaluated for the candidate glasses and confirmed experimentally for the some properties. The glass viscosity and electrical conductivity as the process parameters were in the desired ranges. the product qualities such as glass density, chemical durability, phase stability, etc. were satisfactory. In case of vitrifying the wastes using our developed glass formulation study, the volume reduction factors for the IER, DAW and mixed wastes were evaluated as 21, 89 and 75, respectively.

원자력발전소에서 발생하는 폐수지, 잡고체, 붕산폐액을 유리화 하기 위하여 폐기물별 조성을 바탕으로 유리조성 연구를 수행하였다. 폐수지, 잡고체를 각각 유리화 할 수 있는 두 개 의 후보유리 RG-1과 DG-1 그리고 폐수지, 잡고체, 붕산폐액을 혼합하여 처리할 수 있는 후보유리 MG-1을 개발하였다. 각 후보유리에 대해 운전변수, 고화체 품질, 가용 효과를 평가하였으며 일부 특성들은 실험실적으로 확인하였다. 운전 변수 가운데 유리의 점도와 전기 전도도는 세 후보유리 모두 적정운전 범위값 내에 만족하였으며 밀도, 화학적 견고성, 상안정성 등 고화체의 품질 또한 우수하였다. 개발한 유리 조성 연구를 바탕으로 폐수지, 잡고체, 혼합폐기물을 유리화 할 경우 감용비는 각각 21, 89, 75로 평가되었다.

Keywords