Reaction kinetics for the production of methylene urea from synthetic human urine


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/70625

Title:	Reaction kinetics for the production of methylene urea from synthetic human urine
Authors:	Kabore, Steve Browse this author
	Ito, Ryusei Browse this author
	Funamizu, Naoyuki Browse this author →KAKEN DB
Keywords:	Polymerization
	Urea
	Formaldehyde
	Fertilizer
Issue Date:	Jun-2016
Publisher:	Elsevier
Journal Title:	Journal of environmental chemical engineering
Volume:	4
Issue:	2
Start Page:	2510
End Page:	2517
Publisher DOI:	10.1016/j.jece.2016.04.028
Abstract:	The production of methylene urea from human urine is an important contribution to the world demand of nitrogen fertilizer. In this study, a simplified reaction model was proposed. The kinetics parameters at room temperature were assessed and the reaction constants k(1), k(2), k(3), k(4) were evaluated and determined for the different parts of the proposed reaction model. The relationship between the Formaldehyde/Urea (F/U ratio) and the recovery of nitrogen was also evaluated based on the contribution of the by-products from the reaction. The optimum F/U condition to maximize the recovery of nitrogen was determined.
Rights:	© 2016. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Rights:	http://creativecommons.org/licenses/by-nc-nd/4.0/
Type:	article (author version)
URI:	http://hdl.handle.net/2115/70625
Appears in Collections:	工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 伊藤竜生

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