Eventos Anais de eventos
COBEM 2017
24th ABCM International Congress of Mechanical Engineering
Modeling a genset emissions fixation column and microalgae growth enhancement in large scale photobioreactor
Submission Author:
Johana Guadalupe Blanco Martinez , PR
Co-Authors:
GUstavo Finger, Yago Kovara, Wellington Balmant, André Bellin Mariano, JOSÉ VIRIATO COELHO VARGAS, Johana Guadalupe Blanco Martinez
Presenter: Johana Guadalupe Blanco Martinez
doi://10.26678/ABCM.COBEM2017.COB17-0800
Abstract
Flue gas from several industrial activities is damaging the environment, causing greenhouse effect, global warming, respiratory problems and changing life style in big urban centers. The microalgae cultures appear as solution for mitigation of such gases since their metabolism needs several chemical compounds that are present in these gases, such as nitrogen, phosphorus, carbon and sulfur. Furthermore, microalgae biomass has commercial value due to its high lipid and protein content, having potential commercialization utilization in the industry of biofuels, aliments, pharmaceutical and cosmetic. In order to optimize the process of mitigation of flue gases in microalgae culture to obtain as much biomass as possible, this work develops a mathematical model for genset emissions fixation column, and for predicting the influence of those emissions on microalgae biomass growth in a compact photobioreactor. This mathematical model employs a volume element model (VEM) for subdivide column purification where CO2, NO2, SO2 are diluted, and subdivide compact tubular photobioreactor of microalgae culture. A microalgae culture with 3000 L.h-1 of volumes is capable to minimize 99 % of flue gases until a 40000 L.h-1 gas flow, and with a 35000 L.h-1 gas flow obtain the best microalgae grown (0.87 g.L-1). Within this model is possible to analyze a wide range of parameters, such as gas flow rate, concentration rate and exposition time of flue gas to obtain the maximum microalgae biomass growth in culture specific volumes.
Keywords
mathematical model, flue gases, column purification, microalgae culture, photobioreactor
