28 documents found, page 1 of 3
Assessment of the potential of sunflower grown in metal-contaminated soils for ...
Marques, Ana P. G. C.; Paulo, Ana; Caetano, Nídia S.Environmental biotechnology needs solutions that are associated with a low budget and cleaner remediation, and which are connected to resources and energetic valorization, to be able to encourage a circular bioeconomy. A prospective resolution for heavy-metal-contaminated soils is the application of phytoremediation approaches merged with bioenergy generation using the resulting biomass. Sunflower (Helianthus a...
Life cycle assessment of renewable energy technologies
Caetano, Nídia S.; Martins, Florinda F.; Oliveira, Gisela MartaRenewable energy technologies (RETs) are based on energy sources that can be renewed in the human lifetime scale. However, similar to their fossil-based counterparts, RETs can also be harmful to the environment, due to the need of using natural resources (e.g., metals, minerals) that are limited in nature and whose extraction and processing to the use state carry a high environmental burden. Life cycle assessme...
Evaluation of the conversion potential of maize stover from soil phytoremediati...
Caetano, Nídia S.; Santos, Mariana; Marques, Ana P.This work aimed to evaluate the conversion potential of maize stover (MS) from phytoremediation of heavy metals contaminated soil to bioethanol. Thus, MS was submitted to an acid pretreatment with 3% (v/v) H2SO4, HCl, HNO3 or CH3COOH at 85 °C for 48 hours. An enzymatic hydrolysis step with Accellerase or Ultraflo was applied at 50 °C for 13 hours. Finally, Saccharomyces cerevisiae was used to ferment the glucos...
The potential of bioaugmentation-assisted phytoremediation derived maize biomas...
Paulo, Ana M.; Caetano, Nídia S.; Marques, Ana P. G. C.Anthropogenic behaviors are causing the severe build-up of heavy metal (HM) pollutants in the environment, particularly in soils. Amongst a diversity of remediation technologies, phytoremediation is an environmentally friendly technology that, when coupling tolerant plants to selected rhizospheric microorganisms, can greatly stimulate HM decontamination of soils. Maize (Zea mays) is a plant with the reported ca...
Trends on communication, educational assessment, sustainable development, educa...
Balbín, Ana María; Caetano, Nídia S.; Conde, Miguel Ángel; Costa, Paulo Gomes da; Felgueiras, Carlos; Fidalgo-Blanco, Ángel; Fonseca, DavidThe 10th edition of the Technological Ecosystems for Enhancing Multiculturality (TEEM 2022) brings together researchers and postgraduate students interested in combining different aspects of the technology applied to knowledge society development, with particular attention to educational and learning issues. This volume includes contributions related to communication, educational assessment, sustainable develop...
Phytomanagement of Zn- and Cd-Contaminatedsoil: Helianthus annuus biomass produ...
Paulo, Ana M.S.; Caetano, Nídia S.; Castro, Paula M. L.; Marques, Ana P.G.C.Mining and industrial activity are contributing to the increase in heavy metal (HM) pollution in soils. Phytoremediation coupled to selected rhizosphere microbiota is an environmentally friendly technology designed to promote HM bioremediation in soils. In this study, sunflower (Helianthus annuus L.) was used together with Rhizophagus irregularis, an arbuscular mycorrhizal fungi (AMF), and Cupriavidus sp. strai...
The potential of bioaugmentation-assisted phytoremediation derived maize biomas...
Paulo, Ana M.S.; Caetano, Nídia S.; Marques, Ana P.G.C.Anthropogenic behaviors are causing the severe build-up of heavy metal (HM) pollutants in the environment, particularly in soils. Amongst a diversity of remediation technologies, phytoremediation is an environmentally friendly technology that, when coupling tolerant plants to selected rhizospheric microorganisms, can greatly stimulate HM decontamination of soils. Maize (Zea mays) is a plant with the reported ca...
Trends on communication, educational assessment, sustainable development, educa...
Balbín, Ana María; Caetano, Nídia S.; Conde, Miguel A.; Costa, Paulo; Felgueiras, Carlos; Fidalgo-Blanco, Ángel; Fonseca, David; Gamazo, AdrianaThe 10th edition of the Technological Ecosystems for Enhancing Multiculturality (TEEM 2022) brings together researchers and postgraduate students interested in combining different aspects of the technology applied to knowledge society development, with particular attention to educational and learning issues. This volume includes contributions related to communication, educational assessment, sustainable develop...
The potential for energetic valorization of energetic crops derived from phytor...
Marques, Ana P. G. C.; Paulo, Ana M.; Caetano, Nídia S.; Castro, Paula M. L.There are presently more than 3 million contaminated sites all over EU, according to the EEA (report 25186 EN). Heavy metal contamination is of particular concern, as metals are not degradable. Soil remediation is becoming a priority and several methods are constantly being tested an implemented. From these, phytoremediation has proven to be an attractive low cost alternative as it acts by establishing a vegeta...
PHYTOENERGY: energetic valorisation of phytoremediation derived biomass
Marques, Ana P. G. C.; Caetano, Nídia S.There are presently more than 3 million contaminated sites all over EU, according to the EEA (report 25186 EN), with the contamination with heavy metals being of particular concern, as they are not degradable. Soil recovery is thus becoming an urgency and diverse approaches can be applied. From these, phytoremediation has shown to be an attractive low cost alternative as it promotes the establishment of a veget...