CO2 gasification process performance for energetic valorization of microalgae

G. Soreanu, M. Tomaszewicz, M. Fernandez-Lopez, J.L. Valverde, J. Zuwała and L. Sanchez-Silva

Energy, 2017, vol. 119, issue C, 37-43

Abstract: In this study, CO2 gasification process of a marine biomass (Nannochloropsis gaditana microalgae char) has been evaluated. The experiments have been carried out according to a central composite design (CCD), by using a high-pressure thermogravimetric analyzer (HP-TGA). The effect of temperature, total pressure and gasifying agent volume concentration on the CO2 gasification process was studied. Within the CCD studied range, the process performance, expressed as reactivity and gasification rate at 50% conversion, was positively influenced by the increase of temperature and pressure, while CO2 concentration effect was negligible. Empirical models describing the gasification performance as a function of temperature and pressure are presented and discussed. The proposed models allow a more realistic approach of the microalgae gasification process, in comparison with other models where the catalytic effect is often neglected. This study reveals useful process aspects for the development and implementation of microalgae CO2 gasification at industrial scale.

Keywords: Microalgae; HP-TGA; Gasification; Reactivity; Experimental design (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

Downloads: (external link)
http://www.sciencedirect.com/science/article/pii/S0360544216318515
Full text for ScienceDirect subscribers only

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:119:y:2017:i:c:p:37-43

DOI: 10.1016/j.energy.2016.12.046

Access Statistics for this article

Energy is currently edited by Henrik Lund and Mark J. Kaiser

More articles in Energy from Elsevier
Bibliographic data for series maintained by Catherine Liu ().