Enhanced bioaromatics synthesis via catalytic co-pyrolysis of cellulose and spent coffee ground over microporous HZSM-5 and HY
- Authors
- Lee, Hyung Won; Farooq, Abid; Jang, Seong-Ho; Kwon, Eilhann E.; Jae, Jungho; Lam, Su Shiung; Jung, Sang-Chul; Park, Young-Kwon
- Issue Date
- May-2020
- Publisher
- ACADEMIC PRESS INC ELSEVIER SCIENCE
- Keywords
- Catalytic co-pyrolysis; Spent coffee ground; Cellulose; HZSM-5; Synergistic production of aromatic hydrocarbon
- Citation
- Environmental Research, v.184, pp.1 - 7
- Indexed
- SCIE
SCOPUS
- Journal Title
- Environmental Research
- Volume
- 184
- Start Page
- 1
- End Page
- 7
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/190749
- DOI
- 10.1016/j.envres.2020.109311
- ISSN
- 0013-9351
- Abstract
- Catalytic co-pyrolysis (CCP) of spent coffee ground (SCG) and cellulose over HZSM-5 and HY was characterized thermogravimetrically, and a catalytic pyrolysis of two samples was conducted using a tandem micro reactor that directly connected with gas chromatography-mass spectrometry. To access the more fundamental investigations on CCP, the effects of the zeolite pore structure, reaction temperature, in-situ/ex-situ reaction mode, catalyst to feedstock ratio, and the SCG and cellulose mixing ratio were experimentally evaluated. The temperature showing the highest thermal degradation rate of cellulose with SCG slightly delayed due to the interactions during the thermolysis of two samples. HZSM-5 in reference to HY produced more aromatic hydrocarbons from CCP. With respect to the reaction temperature, the formation of aromatic hydrocarbons increased with the pyrolytic temperature. Moreover, the in-situ/ex-situ reaction mode, catalyst/feedstock, and cellulose/SCG ratio were optimized to improve the aromatic hydrocarbon yield.
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