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Received November 27, 2002
Accepted February 28, 2003
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Thermal and Catalytic Degradation of Waste High-density Polyethylene (HDPE) Using Spent FCC Catalyst
Kyong-Hwan Lee†
Sang-Gu Jeon
Kwang-Ho Kim
Nam-Sun Noh
Dae-Hyun Shin
Jaehyeon Park
Younghwa Seo1
Jurng-Jae Yee2
Geug-Tae Kim3
Clean Energy Research Department, Korea Institute of Energy Research, 71-2 Jang dong, Yusong ku, Daejeon 305-343, Korea 1Dept. of Environmental Engineering, Suwon Science College, Suwon 445-742, Korea 2Faculty of Architectural Design & Engineering, Dong-A University, Busan 604-714, Korea 3Dept. of Chemical and Polymer Engineering, Hannam University, Daejeon 306-791, Korea
khwanlee@kier.re.kr
Korean Journal of Chemical Engineering, July 2003, 20(4), 693-697(5), 10.1007/BF02706909
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Abstract
Thermal and catalytic degradation using spent fluid catalytic cracking (FCC) catalyst of waste high-density polyethylene (HDPE) at 430 ℃ into fuel oil were carried out with a stirred semi-batch operation. The product yield and the recovery amount, molecular weight distribution and paraffin, olefin, naphthene and aromatic (PONA) distribution of liquid product by catalytic degradation using spent FCC catalyst were compared with those by thermal degradation. The catalytic degradation had lower degradation temperature, faster liquid product rate and more olefin products as well as shorter molecular weight distributions of gasoline range in the liquid product than thermal degradation. These results confirmed that the catalytic degradation using spent FCC catalyst could be a better alternative method to solve a major environmental problem of waste plastics.
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