A Study on Detoxication of Coal Briquette by Additives

첨가제에 의한 연탄제독에 관한 연구

  • Chang Tuwon (Inorganic Chemistry Lab, Korea Advanced Institute of Science & Technology) ;
  • Young Sun Uh (Inorganic Chemistry Lab, Korea Advanced Institute of Science & Technology) ;
  • Youn Soo Sohn (Inorganic Chemistry Lab, Korea Advanced Institute of Science & Technology)
  • 장두원 (한국과학기술연구원 무기화학연구실) ;
  • 어용선 (한국과학기술연구원 무기화학연구실) ;
  • 손연수 (한국과학기술연구원 무기화학연구실)
  • Published : 1986.02.20


A small scale combustion unit was built to evaluate the CO suppression effects by various chemical additives added to coal briquettes. Among the additives tested comprising various transition metal compounds with catalytic activities, natural minerals and oxidizing agents, the copper component has shown the best CO suppression effect, and in particular, copper oxide dispersed on porous supports such as ${\gamma}-Al_2O_3$ was most effective. For instance, 0.5% of copper added to coal briquettes in this way bas exhibited 1.4 % CO in the combustion gas at the ignition and beginning stage of combustion and 0.3 % CO at the final stage. The effects of calcium compounds on the fixation of sulfur in coal were also evaluated to reduce the contents of sulfur compounds in the combustion gases.



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