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140,000kl $9\%$니켈강식 액화천연가스 저장탱크의 안전성 평가
이수경,양병동,Lee Su Kyung,,Yang Byung Dong, 한국가스학회 2004 한국가스학회지 Vol.8 No.3
This study is to assess the safety of the process facilities and fire fighting facilities for LNG storage tank which is the main facility in the LNG receiving terminal. The LNG storage tank(capacity : 140,000kl, type : aboveground, inner tank $9\%$ Ni steel plate, outer tank : prestressed concrete) was designed by foreign country up to now, but it has designed by domestic technology as the fifth in the world is under construction now. 본 연구는 천연가스 생산기지를 구성하는 설비 가운데 핵심설비라 할 수 있는 LNG 저장탱크의 설계 기술을, 세계에서 다섯 번째로 국내 기술로 설계를 완료하여 건설 중에 있는, OO 생산기지 LNG 저장탱크(용량 ; 14만kl, 형식 : 지상식, $9\%$ Ni강 내조 $\cdot$ Prestressed Concrete 외조) 1기에 대한 공정설비의 설계 적합성과 탱크 외벽에 대한 소화설비의 설계 적합성에 관하여 연구하였다.
이화형,최병동,전양 한국목재공학회 1984 목재공학 Vol.12 No.3
The removal and readsorption effects of pine and oak bark grown in Korea on water pollution caused by heavy metal ions have been investigated. Bark saturated with heavy metal ions is refleshed with 0.1 N ammonium acetate and then its readsorption has been done. The results obtained are as follows: 1. Adsorption effect of pine bark is similiar to that of oak bark, and 20-40 meshed bark gives the best results. 2. 0.1 N amonium acetate of pH 7 shows more elutriative than the others such as pH 3 hydrochloric acid, pH 10 ammonium hydroxide and pH 7 water. 3 Pine bark refleshed with 0.1 N ammonium acetate gets two times as effective in adsorption as raw bark, and shows more effective than oak bark.