Volume 9, Issue 2, June 2020, Page: 23-28
Charcoal Yield and Fixed Carbone Content of Jatropha Seed Cake Pyrolysis: Effect of Preheating Temperature, Extraction Pressure and Seed Form
Nsah-ko Tchoumboué, Laboratory of Renewable Energy, Department of Agricultural Engineering, Faculty of Agronomy and Agricultural Sciences, University of Dschang, Dschang, Cameroon
Lontsi Meli Raoul Gilles, Laboratory of Soil Science, Department of Soil Science, Faculty of Agronomy and Agricultural Sciences, University of Dschang, Dschang, Cameroon
Tangka Julius Kewir, Laboratory of Renewable Energy, Department of Agricultural Engineering, Faculty of Agronomy and Agricultural Sciences, University of Dschang, Dschang, Cameroon
Received: Mar. 7, 2020;       Accepted: Mar. 27, 2020;       Published: Apr. 23, 2020
DOI: 10.11648/j.ijrse.20200902.11      View  172      Downloads  42
Abstract
The pyrolysis characteristics of cake from whole, kernels and crushed jatropha seed (Charcoal yield, fixed Carbone content, mineral matter) were assessed. The pyrolysis process consisted in introducing into an oven, at 300°C for 15 minutes, a 25 ml ceramic crucible containing 5 g of cake (2% water content) coated in pre-weighed aluminum foil. The main results were as follow. The highest charcoal yield (75,76±1,53%) was obtained with cake from crushed seeds preheated at 100°C associated to the extraction pressure of 15000 pounds. The highest fixed Carbone (18,64%) was registered with biochar from kernels cake obtained at the preheating temperature/extraction pressure couple of 25°C-15000 Pounds. The highest mineral matter content (Mg, Ca, P and K) are recorded in charcoal from the kernel cake pyrolysis. Seed form significantly affected the cake yield and biochar yield. The pH of jatropha biochar (7,5-10) are alkaline which can be useful for acid soil fertilization in Cameroon.
Keywords
Extraction Conditions, Jatropha Cake, Charcoal Yield, Fixed Carbone Content, Mineral Matter
To cite this article
Nsah-ko Tchoumboué, Lontsi Meli Raoul Gilles, Tangka Julius Kewir, Charcoal Yield and Fixed Carbone Content of Jatropha Seed Cake Pyrolysis: Effect of Preheating Temperature, Extraction Pressure and Seed Form, International Journal of Sustainable and Green Energy. Vol. 9, No. 2, 2020, pp. 23-28. doi: 10.11648/j.ijrse.20200902.11
Copyright
Copyright © 2020 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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