eprintid: 5455 rev_number: 2 eprint_status: archive userid: 1 dir: disk0/00/00/54/55 datestamp: 2023-11-09 16:17:11 lastmod: 2023-11-09 16:17:11 status_changed: 2023-11-09 16:01:43 type: article metadata_visibility: show creators_name: Naqvi, S.R. creators_name: Uemura, Y. creators_name: Yusup, S.B. title: Catalytic pyrolysis of paddy husk in a drop type pyrolyzer for bio-oil production: The role of temperature and catalyst ispublished: pub keywords: Biofuels; Catalysts; Drops; Ketones; Oxygen; Oxygenation; Phenols, Bio oil; Catalytic pyrolysis; Deoxygenations; Paddy husks; Physio-chemical properties, Pyrolysis note: cited By 88 abstract: The present research encompasses the impact of temperature and catalyst on the properties of bio-oils and on product yield for the pyrolysis of rice husk. Fast pyrolysis of paddy husks was conducted in a drop type pyrolyzer to study the influence of pyrolysis temperature 350-600 C on products yield and properties. In order to investigate the effect of catalyst, experiments were carried out for a wide range of ratios (0.5-2) of biomass at the pyrolysis temperature of 450 C. The presence of catalyst culminated in less bio-oil yield coupled with higher calorific values and high water contents in comparison to non-catalytic pyrolysis. Furthermore under dehydration and mild pyrolysis conditions the higher amount of catalyst resulted in bio-oil having high water and acidic contents. Oxygen removal degree was used to evaluate the oxygen content transferred from parent biomass to the obtained bio-oil. The ratio 0.5 showed the highest de-oxygenation degree (84.6). The bio-oil produced at this ratio contained high phenol, phenolic compounds and less carbonyl and acidic contents. The bio-oil characterization (with and without catalyst) was evaluated and reported in terms of CHN/O and GC-MS (phenol, phenol derivatives, ketones, furans and aliphatic compounds). © 2013 Elsevier B.V. date: 2014 publisher: Elsevier B.V. official_url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84896726907&doi=10.1016%2fj.jaap.2013.12.009&partnerID=40&md5=8015a537d5d2c9216a9c2ad14dfa0586 id_number: 10.1016/j.jaap.2013.12.009 full_text_status: none publication: Journal of Analytical and Applied Pyrolysis volume: 106 pagerange: 57-62 refereed: TRUE issn: 01652370 citation: Naqvi, S.R. and Uemura, Y. and Yusup, S.B. (2014) Catalytic pyrolysis of paddy husk in a drop type pyrolyzer for bio-oil production: The role of temperature and catalyst. Journal of Analytical and Applied Pyrolysis, 106. pp. 57-62. ISSN 01652370