신평 장림공단 皮革廢棄物을 이용한 活性炭 製造 및 特性
Preparation and Characterization of Activated Carbon Derived from Leather Waste Discharged from Shinpyung Changrim Industrial Complex
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초록
신평장림 공단에서 배출되는 피혁폐기물은 46.3%의 탄소를 함유하고 있으며 열중량분석에 의하면 500oC에서 중량손실이 약 50% 이었다. K2CO3을 이용한 화학적 활성화법으로 800oC에서 약 30 분간 질소분위기 중에서 피혁폐기물을 원료로 한 피혁폐기물 활성탄[leather waste chemically activated carbon, LW4AC]을 제조하였다. 피혁폐기물 활성탄의 요오드 값, 메틸렌블루 탈색력은 각각 968mg/g, 158mL/g이었다. K2CO3 와 피혁폐기물 혼합비[K2CO3/LW]가 증가할수록 세공부피가 발달함을 알 수 있었다.
Abstract
Leather waste discharged from Shinpyung Changrim Industrial Complex contained 46.3 percent of carbon, and weight loss of leather waste about 50 percent was observed at 500oC by thermogravimetric analysis. Chemically activated carbon [LW4AC] was made at activation temperature of 800oC during 30 minutes in electric furnace. Iodine value and decoloration of methylene blue was 968 mg/g and 158 mL/g, respectively. We found that pore volume was more developed according to the increase in the ratio of K2CO3/LW.
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