Thermogravimetric pyrolysis for neem char using novel agricultural waste: a study of process optimization and statistical modeling

Siddiqui, M, Nizamuddin, S, Baloch, H, Mubarak, N, Tunio, M, Riaz, S, Shirin, K, Ahmed, Z and Hussain, M 2018, 'Thermogravimetric pyrolysis for neem char using novel agricultural waste: a study of process optimization and statistical modeling', Biomass Conversion and Biorefinery, vol. 8, no. 4, pp. 857-871.


Document type: Journal Article
Collection: Journal Articles

Title Thermogravimetric pyrolysis for neem char using novel agricultural waste: a study of process optimization and statistical modeling
Author(s) Siddiqui, M
Nizamuddin, S
Baloch, H
Mubarak, N
Tunio, M
Riaz, S
Shirin, K
Ahmed, Z
Hussain, M
Year 2018
Journal name Biomass Conversion and Biorefinery
Volume number 8
Issue number 4
Start page 857
End page 871
Total pages 15
Publisher Springer
Abstract Agricultural biomasses are the underutilized sources that have extraordinary potential to synthesize green and cost-effective chemicals. This research focuses on the utilization of novel agricultural residue, i.e., waste neem cake, to produce highly efficient, cost-effective, and environment-friendly fuel, i.e., neem char (NC), through thermogravimetric pyrolysis. To study the effects of process variable on char yield and higher heating value (HHV), statistical modeling was applied by central composite design of response surface methodology. Furthermore, chemical and structural characterization of neem cake and char were carried out by using Fourier transform infrared spectroscopy, scanning electron microscopy (SEM), and thermogravimetric analysis (TGA). The reaction temperature was the most prominent variable found from the ANOVA (analysis of variances) to affect char yield and its HHV. The optimal result was achieved with 21.46% char yield and HHV value of 6371 kcal/kg at 600 °C, 60 min, and 3 mm. The heating value of char was highly improved indicating the potential application of char as a high-energy renewable fuel. Further, the carbon content and fixed carbon values increased, whereas hydrogen, oxygen, volatile matters, and moisture content decreased in char after the pyrolysis process.
Subject Forestry Biomass and Bioproducts
Keyword(s) Waste neem cake
Neem char
Pyrolysis
Statistical approach
Response surface methodology
DOI - identifier 10.1007/s13399-018-0336-4
Copyright notice © Springer-Verlag GmbH Germany, part of Springer Nature 2018
ISSN 2190-6815
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