The aim of this study was to develop nanofibers containing nanoparticles with potential for the biological fixation of CO together with the microalgae Chlorella fusca LEB 111. An electrospinning technique was used for the production of polymeric nanofibers with different concentrations of iron oxide nanoparticles: 0, 2, 4, 6, 8, and 10% (w v). Nanofibers with a nanoparticle concentration of 4% (w v) were selected for use in the microalgal cultivation due to their smaller diameter (434 nm), high specific surface area (13.8 m g) and higher CO adsorption capacity (164.2 mg g). The microalgae C. fusca LEB 111 presented a higher CO biofixation rate of 216.2 mg L d when cultivated with these nanofibers. The results demonstrated the potential of electrospun nanofibers as physical adsorbents of CO since they can increase the contact time between the gas and the microorganism and consequently increase the CO biofixation by the microalgae.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1016/j.biortech.2018.11.054 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
A novel blue-green infrastructure for providing potential drinking water source from urban stormwater through a sustainable physical-biological treatment.
Water Res
December 2024
Faculty of Applied Science, School of Engineering, University of British Columbia Okanagan Campus, Kelowna, British Columbia V1V 1V7, Canada.
In this research, a sustainable blue-green infrastructure (BGI) was developed to efficiently remove contaminants from stormwater through a combined use of modified porous asphalt (PA) and microalgae cultivation to provide a potential drinking water (DW) source. According to the results, the modified PA with powder activated carbon (PAC) could successfully reduce the level of total suspended solids (TSS), turbidity, polycyclic aromatic hydrocarbons (PAHs), oil and grease to below the DW standards but failed to efficiently remove some heavy metals (HMs) and nutrient pollutants. The results revealed that the treated stormwater was an appropriate medium for microalgae cultivation.
View Article and Find Full Text PDFPollution control and biodiesel production with microalgae: new perspectives on the use of flat panel photobioreactors regarding variation in volume application rate.
Environ Sci Pollut Res Int
October 2024
Institute of Technology Engineering Department, Federal Rural University of Rio de Janeiro, Campus SeropédicaSeropédica, Rio de Janeiro, RJ, 23890-000, Brazil.
In the present study, the microalga Arthrospira platensis DHR 20 was cultivated in vertical flat-plate photobioreactors (FPBRs) to bioremediate anaerobically digested cattle wastewater (ACWW) and used as a growth substrate. The final objective was to evaluate the properties of the oil extracted from this biomass to determine its potential for biodiesel production. The process was divided into five phases, varying the volume of the applied substrate: 1 L (Phase I), 5 L (Phase II), 10 L (Phase III), 15 L (Phase IV), and 20 L (Phase V).
View Article and Find Full Text PDFEnhancing microalgae-based biofuels production, wastewater treatment and bio-products generation by synergistic effect of iron and zinc addition to real municipal wastewater.
J Environ Manage
November 2024
Department of Civil and Environmental Engineering, Seoul National University, 151-744, Seoul, South Korea. Electronic address:
The feasibility of microalgae-based biofuel production is still unclear due to the high cost and energy consumption. In order to be competitive with traditional fuels, the price per unit biofuel produced should be reduced by improving microalgal cells quality for higher biofuels productivity as well as enhancing microalgae other advantages such as wastewater treatment (WWT) and CO bio-fixation. In this research, the synergistic effect of iron (Fe) and zinc (Zn) addition to municipal wastewater (MWW) on Chlorella sorokiniana Pa.
View Article and Find Full Text PDFMicroalgae-mediated biofixation as an innovative technology for flue gases towards carbon neutrality: A comprehensive review.
J Environ Manage
July 2024
Department of Bioprocess Engineering and Biotechnology, Federal University of Paraná, Centro Politécnico, CP 19011, Curitiba, PR, 81531-908, Brazil.
Microalgae-mediated industrial flue gas biofixation has been widely discussed as a clean alternative for greenhouse gas mitigation. Through photosynthetic processes, microalgae can fix carbon dioxide (CO) and other compounds and can also be exploited to obtain high value-added products in a circular economy. One of the major limitations of this bioprocess is the high concentrations of CO, sulfur oxides (SOx), and nitrogen oxides (NOx) in flue gases, according to the origin of the fuel, that can inhibit photosynthesis and reduce the process efficiency.
View Article and Find Full Text PDFCarbon neutrality in wastewater treatment plants: An integrated biotechnological-based solution for nutrients recovery, odour abatement and CO conversion in alternative energy drivers.
Chemosphere
April 2024
Sanitary Environmental Engineering Division (SEED), Department of Civil Engineering, University of Salerno, Via Giovanni Paolo II, 84084, Fisciano, Italy.
Wastewater treatment plants play a crucial role in water security and sanitation, ensuring ecosystems balance and avoiding significant negative effects on humans and environment. However, they determine also negative pressures, including greenhouse gas and odourous emissions, which should be minimized to mitigate climate changes besides avoiding complaints. The research has been focused on the validation of an innovative integrated biological system for the sustainable treatment of complex gaseous emissions from wastewater treatment plants.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!