Browsing by Author "Passos, Fabiana Lopes del Rei"
Now showing items 1-20 of 29
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Algal biomass: physical pretreatments
(Elsevier, 2015)
Part of book or chapter of book
Restricted access - publisher's policy -
Anaerobic digestion of microalgal biomass after ultrasound pretreatment
(2014-11-01)
Article
Restricted access - publisher's policyHigh rate algal ponds are an economic and sustainable alternative for wastewater treatment, where microalgae and bacteria grow in symbiosis removing organic matter and nutrients. Microalgal biomass produced in these systems ... -
Biogas from algae via anaerobic digestion
(Springer, 2016)
Part of book or chapter of book
Restricted access - publisher's policy -
Biogas production from algae biomass grown in high rate ponds for wastewater treatment
(Universitat Politècnica de Catalunya. Escola Tècnica Superior d'Enginyers de Camins Canals i Ports de Barcelona, 2011-11-15)
Conference lecture
Open AccessHigh rate ponds are wastewater treatment systems that combine heterotrophic bacteria and microalgae communities in a symbiosis relation, which triggers a series of reactions that eliminates pollutants from the water. ... -
Can high rate algal ponds be used as post-treatment of UASB reactors to remove micropollutants?
(2020-06)
Article
Open AccessThe present study evaluated the removal capacity of a UASB-HRAP treatment system, combining anaerobic and microalgae-based, aerobic treatment, for eleven organic micropollutants present in raw sewage, including pharmaceuticals, ... -
Co-digestion strategies to enhance microalgae anaerobic digestion: a review
(2019-09)
Article
Open AccessMicroalgae biorefineries for the production of biofuels and high-value products have captured the attention of academia and industry. Implementing an anaerobic digestion step can enhance resource recovery from microalgae ... -
Comparing pretreatment methods for improving microalgae anaerobic digestion: Thermal, hydrothermal, microwave and ultrasound
(2015-11-01)
Article
Open AccessThe anaerobic digestion of microalgae is hindered by its complex cell wall structure and composition. Thus, several pretreatment methods have been used for increasing microalgae anaerobic biodegradability. Since the methane ... -
Comparing pretreatment methods to improve the methane yield of microalgae grown in wastewater
(2013)
Conference report
Restricted access - publisher's policyMicroalgae have recently drawn attention as a potential resource for biofuels generation. In the short term, anaerobic digestion seems the most viable downstream process. Still, microalgae cell wall restrains the hydrolysis, ... -
Enhancement of anaerobic digestion performance: which pretreatment for which waste?
(Mines Albi, 2014)
Conference report
Restricted access - publisher's policyWhen properly designed, pretreatment may enhance the methane potential and/or anaerobic digestion rate, allowing better digester performance. The purpose of this paper is to give guidelines and present a rationale on ... -
Enzymatic pretreatment of microalgae using fungal broth from Trametes versicolor and commercial laccase for improved biogas production
(Elsevier, 2016-11)
Article
Open AccessCoupling microalgae production to wastewater treatment can reduce the costs of microalgae production for non-food bioproducts and energy consumption for wastewater treatment. Furthermore, microalgae anaerobic digestion can ... -
Gravel composition related to clogging development in horizontal subsurface flow constructed wetlands
(Internatinal Water Association (IWA), 2010)
Conference report
Restricted access - publisher's policy -
Harvesting microalgae from wastewater treatment systems with natural flocculants: Effect on biomass settling and biogas production
(2015-05-01)
Article
Open AccessResearch on new sources of bioenergy is nowadays driving attention to microalgae. Cost-effective biomass harvesting and thickening pose a challenge for massive microalgae production for biofuels. In this study, ... -
Impact of low temperature pretreatment on the anaerobic digestion of microalgal biomass
(2013-06)
Article
Restricted access - publisher's policyThe aim of this study was to investigate the effect of low temperature pretreatment on the anaerobic digestion of microalgal biomass grown in wastewater. To this end, microalgae were pretreated at low temperatures (55, 75 ... -
Influence of hydrothermal pretreatment on microalgal biomass anaerobic digestion and bioenergy production
(2015-01-01)
Article
Open AccessMicroalgal biomass grown in wastewater treatment raceway ponds may be valorised producing bioenergy through anaerobic digestion. However, pretreatment techniques seem to be necessary for enhancing microalgae methane yield. ... -
Integrated microalgal biorefinery for carotenoids and bioenergy recovery
(ITU Press, 2024)
Conference report
Restricted access - publisher's policyThis study aimed to evaluate the potential of microalgae grown in wastewater to recover carotenoids and biogas in a biorefinery approach. To this end, two pilot raceway ponds treating real wastewater were operated with a ... -
Mechanical resistance properties of gravel used in subsurface flow constructed wetlands: implications for clogging
(2011-05-05)
Article
Restricted access - publisher's policyGravel constitutes the filter medium in subsurface flow constructed wetlands (SSF CWs) and its porosity and hydraulic conductivity decrease over time (clogging), limiting the lifespan of the systems. Using gravel of poor ... -
Microalgae conversion to biogas: Thermal pretreatment contribution on net energy production
(2014-06-17)
Article
Restricted access - publisher's policyMicroalgal biomass harvested from wastewater treatment high rate algal ponds may be valorised through anaerobic digestion producing biogas. However, microalgae anaerobic biodegradability is limited by their complex cell ... -
Microalgae production in wastewater treatment systems, anaerobic digestion and modelling using ADM1
(2015-07-01)
Article
Open AccessAn integrated microalgae-based system for urban wastewater treatment, microalgae production and bioenergy generation through anaerobic digestion was evaluated over a period of one year. The pilot HRAP was effective at ... -
Nature-based solutions for wastewater treatment and bioenergy recovery: a comparative Life Cycle Assessment
(Elsevier, 2023-07)
Article
Restricted access - publisher's policyThe aim of this study was to assess the environmental impacts of up-flow anaerobic sludge blanket (UASB) reactors coupled with high rate algal ponds (HRAPs) for wastewater treatment and bioenergy recovery using the Life ... -
Optimisation of high rate algal ponds performance for post-treatment of upflow anaerobic sludge blanket reactor effluents
(Elsevier, 2024-07)
Article
Restricted access - publisher's policyUpflow anaerobic sludge blanket (UASB) reactors are widely used for wastewater treatment in tropical regions, yet the resulting effluent requires further post-treatment to meet the quality standards for a safe discharge ...
