화학공학소재연구정보센터
학회 한국공업화학회
학술대회 2017년 봄 (05/10 ~ 05/12, 광주 김대중컨벤센센터(Kimdaejung Convention Center))
권호 21권 1호
발표분야 화학공정
제목 Study on TNT waste concentration gradient by continuos drum ice crystallizer
초록 TNT waste is composed of 2,4,6-trinitrotoluene (TNT), hexahydro-1,3,5-trinitro-1,3,5-
triazine (RDX), and octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX). Because of the toxicity and carcinogenicity of TNT and RDX, these chemical substances need to be removed before TNT waste is discharged to the environment.  
In this study, Crystal freezing water is made to continuos drum ice crystallizer. The concentration of waste in wash column was confirmed by controlling of temperature. Concentration gradient difference is 135ppm at 30°C, 72ppm at 20°C, 54ppm at 40°C, and 1ppm at 50°C. 30°C is more efficiency than 20°C because initially crystal concentration difference is high. However, in case of 40°C hasn’t good efficiency because initially crystal that is melted by temperature control device cause concentration to decrease. Likewise, 50°C hasn’t good efficiency because high temperature cause crystal to rapidly melt.  
저자 이희원, 장효준, 김광주
소속 한밭대
키워드 TNT waste; Cooling crystallization
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