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Applied Chemistry for Engineering, Vol.29, No.2, 248-251, April, 2018
커피 잔류물을 함유한 폐종이컵의 촉매 열분해
Catalytic Pyrolysis of Waste Paper Cup Containing Coffee Residuals
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초록
고정층 반응기와 파이롤라이저-가스크로마토그래피/질량분석기를 이용하여 커피 잔류물이 함유된 폐종이컵의 열분해 및 촉매 열분해를 진행하였다. 커피 잔류물이 함유된 종이컵의 무촉매 열분해에서는 많은 양의 오일이 가스 및 촤와 함께 형성되었다. HZSM-5와 HY 촉매의 사용에 따른 추가적인 분해 반응에 의해 오일의 양은 줄고 가스의 양은 증가 하였다. HZSM-5와 HY의 산촉매 특성 때문에 커피 잔류물이 함유된 종이컵의 촉매 파이롤라이저-가스크로마토그래피/질량분석기 분석은 생성오일 중 방향족 화합물의 선택도를 증가시켰다. HY보다 강한 산세기와 중간 기공을 가진 HZSM-5의 특성으로 인해, HZSM-5상에서 커피 잔류물이 함유된 종이컵을 촉매 열분해한 경우 HY를 사용한 경우보다 휠씬 더 많은 양의 방향족 화합물이 생성되었다.
Catalytic pyrolysis of the waste paper cup containing coffee residual (WPCCCR) was performed using a fixed bed reactor and pyrolyzer-gas chromatography/mass spectrometry (Py-GC/MS). Non-catalytic pyrolysis of WPCCCR produced a large amount of oil together with gas and char. The use of both HZSM-5 and HY decreased the yields of oil and increased the yield of gas due to the additional catalytic cracking. Owing to the acidic catalytic properties of HZSM-5 and HY, catalytic Py-GC/MS analysis of WPCCCR increased the selectivity to aromatic hydrocarbons in product oil. Owing to properties of HZSM-5 having a stronger acidity and medium pore size, the catalytic pyrolysis of WPCCR over HZSM-5 produced much larger amounts of aromatic hydrocarbons than that of using HY.
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