Abstract
In the present investigation, tea factory waste, a major agro-industrial waste in tea factory was pyrolysed in a fixed-bed reactor with an aim to study the product distribution and their characterization and to identify the optimum condition for bio-oil yield. The investigated process variables were temperature (400-700°C) and heating rate (10 and 40°C/min). Chemical characterization of bio-oil was carried out using FTIR, NMR and GC-MS. Scanning electron microscopy (SEM) images of the obtained char was also taken. This investigation showed that the maximum bio-oil yield of 26.80% was obtained at a final temperature of 500°C, with a heating rate of 40°C/min. The heating value of the bio-oil is 29.11 MJ/kg. The study showed that tea factory waste have potential for conversion to bio-oil through the process of pyrolysis to supplement the petro-derived liquid fuel for transportation and the biochar produced can be used to sequester atmospheric carbon dioxide and for soil amendment.
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