Browsing by Author "Martí Gregorio, Vicenç"
Now showing items 1-20 of 30
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Activation process of air stable nanoscale zero-valent iron particles
(2017-07-15)
Article
Open AccessNanoscale Zero Valent Iron (nZVI) represents a promising material for subsurface water remediation technology. However, dry, bare nZVI particles are highly reactive, being pyrophoric when they are in contact with air. The ... -
Assessing the environmental risk of silver nanoparticles in aquatic ecosystems
(2022)
Conference report
Open AccessAs well known, silver nanoparticles (AgNPs) are being increasingly used in many different sectors due to their particular biocidal characteristics. The existence of these substances in many day life products leads to the ... -
Assessment of the water chemical quality improvement based on human health risk indexes: Application to a drinking water treatment plant incorporating membrane technologies
(Elsevier, 2016-01-01)
Article
Open AccessA methodology has been developed in order to evaluate the potential risk of drinking water for the health of the consumers. The methodology used for the assessment considered systemic and carcinogenic effects caused by ... -
Changes of heavy metal and PCB contents in surficial sediments of the Barcelona harbour after the opening of a new entrance
(2009-11)
Article
Restricted access - publisher's policyThe Barcelona harbour is one of the biggest and most important in commercial and passenger traffic in the Mediterranean Sea. In 2003, construction works for the enlargement of the port were carried out with the opening ... -
Customized screen-printed electrodes based on Ag-nanoseeds for enhanced electroanalytical response towards Cd(II), Pb(II) and As(V) in aqueous samples
(MDPI AG, 2021-06-30)
Article
Open AccessElectrochemical analysis based on screen-printed electrodes (SPEs) represents a great alternative to conventional analytical methods such as ICP-MS or LC-MS due to their portability, sensitivity, selectivity, and ... -
Determination of the equilibrium formation constants of two U(VI)-peroxide complexes at alkaline pH
(2011)
Article
Open AccessThe formation of uranyl-peroxide complexes was studied at alkaline media by using UV-Visible spectrophotometry and the STAR code. Two different complexes were found at a H2O2/U(VI) ratio lower than 2. A graphical method ... -
Direct As(V) Determination Using Screen-Printed Electrodes Modified with Silver Manoparticles
(2020-06-30)
Article
Open AccessCarbon-nanofiber-based screen-printed electrodes modified with silver nanoparticles (Ag-NP-SPCNFEs) were tested in a pioneering manner for the direct determination of As(V) at low µg L–1 levels by means of differential ... -
Ecological screening indicators of stress and risk for the Llobregat river water
(Elsevier, 2013-12-15)
Article
Restricted access - publisher's policyThe objective of this article is to develop and apply several simple and rough indicators for river aquatic ecosystems assessment in order to screen potential chemical stressors. Several indicators, based on toxicity (PNEC) ... -
Effects of enhanced denitrification on hydrodynamics and microbial community structure in a soil column system
(2014-03-01)
Article
Restricted access - publisher's policyEnhanced heterotrophic denitrification by adding glucose was investigated by means of a soil column experiment which simulated the groundwater flow. The carbon-to-nitrogen ratio was the main factor determining denitrification ... -
Environmental risk assessment of silver nanoparticles in 2 aquatic ecosystems using fuzzy logic
(2022-06-11)
Article
Open AccessThe rapid development of nanotechnology has stimulated the use of silver nanoparticles (AgNPs) in various fields that leads to their presence in different ecosystem compartments, in particular aquatic ecosystems. Several ... -
Environmental risk assessment of silver nanoparticles in aquatic ecosystems using fuzzy logic
(2022-06-11)
Article
Open AccessThe rapid development of nanotechnology has stimulated the use of silver nanoparticles (AgNPs) in various fields that leads to their presence in different ecosystem compartments, in particular aquatic ecosystems. Several ... -
High reactive nano zero-valent iron produced via wet milling through abrasion by alumina
(2019-06-15)
Article
Open AccessThe performance of new nano zero-valent iron (nZVI) particles produced by a promising new milling method in organic solvent was examined. The basic feature of the new process involves the addition of abrasive alumina ... -
Human Health Risk Assessment of a landfill based on volatile organic compounds emission, immission and soil gas concentration measurements
(2014-10-01)
Article
Restricted access - publisher's policyA Human Health Risk Assessment (HHRA) was required for a closed landfill located in Cerdanyola del Valles (Barcelona, Spain). The FIHRA had two objectives, to evaluate the present risk of the identified receptors in the ... -
Hydroxyapatite coatings on calcite powder for the removal of heavy metals from contaminated water
(2021-05-27)
Article
Open AccessAn approach for the remediation of heavy metal-contaminated wastewater that is gaining increasing attention is the application of hydroxyapatite (HAP)-based particles. HAP is conventionally synthesized through wet chemical ... -
Improvement of phosphate adsorption kinetics onto ferric hydroxide by size reduction
(2021-05-31)
Article
Open AccessBall milling and ultra-sonication size reduction procedures were applied to granular ferric hydroxide (GFH) to obtain two micro-sized adsorbents. These two adsorbents and GFH were investigated to improve the removal of ... -
Improvements in nanoscale zero-valent iron production by milling through the addition of alumina
(2016-06-02)
Article
Open AccessA new milling procedure for a cost-effective production of nanoscale zero-valent iron for environmental remediation is presented. Conventional ball milling of iron in an organic solvent as Mono Ethylene Glycol produces ... -
Modelling enhanced groundwater denitrification in batch micrococosm tests
(2010)
Article
Restricted access - publisher's policyIn the last few years, enhanced in situ denitrification has gained a lot of interest as a reliable bioremediation option to remove nitrate from groundwater. However, denitrification modelling in the subsurface environment ... -
Monte carlo simulation as a tool to show the influence of the human factor into the quantitative risk assessment
(2016-07)
Article
Open AccessThe frequency of occurrence of an accident is a key aspect in the risk assessment field. Vari- ables such as the human factor (HF), which is a major cause of undesired events in process industries, are usually not considered ... -
Nitrate and nitrite reduction by ferrous iron minerals in polluted groundwater: Isotopic characterization of batch experiments
(2020-08-20)
Article
Open AccessSince nitrate (NO3-) has been related to human health and environmental problems, safe and sustainable strategies to remediate polluted water bodies must be investigated. This work aims to assess the feasibility of using ... -
On-line measurement of water quality at Besòs estuary: effect s of storm and heavy rain episodes
(2021)
Conference report
Open AccessOnly 40 % of European Union surface waters (rivers, lakes and transitional and coastal waters) are in good ecological status and only 38 % are in good chemical status (EEA, 2018). Ecological status is based on biological ...
