Browsing EQ-Artigos by Issue Date
Now showing items 41-60 of 246
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Formulation of Laccase Nanobiocatalysts Based on Ionic and Covalent Interactions for the Enhanced Oxidation of Phenolic Compounds
(MDPI, 2017)Oxidative biocatalysis by laccase arises as a promising alternative in the development of advanced oxidation processes for the removal of xenobiotics. The aim of this work is to develop various types of nanobiocatalysts ... -
Effect of Free Ammonia, Free Nitrous Acid, and Alkalinity on the Partial Nitrification of Pretreated Pig Slurry, Using an Alternating Oxic/Anoxic SBR
(Hindawi, 2017)The effect of free ammonia (NH3 or FA), free nitrous acid (HNO2 or FNA), and total alkalinity (TA) on the performance of a partial nitrification (PN) sequencing batch reactor (SBR) treating anaerobically pretreated pig ... -
Recovery of phenolic compounds from Eucalyptus wood wastes using ethanol-salt-based aqueous two-phase systems
(Universidad del Bío-Bío, 2017)In this work the partition behavior of phenols using ethanol-salt-based aqueous two phase systems (ATPS) was evaluated. The aim was the recovery of phenolic compounds with antioxidant capacity from eucalyptus wood industrial ... -
Cometabolic enzymatic transformation of organic micropollutants under methanogenic conditions
(American Chemical Society, 2017-02-15)Anaerobic digestion (AD) has been shown to have the biological potential to decrease concentrations of several organic micropollutants (OMPs) in sewage sludge. However, the mechanisms and factors behind these biotransformations, ... -
Environmental assessment of biorefinery processes for the valorization of lignocellulosic wastes into oligosaccharides
(Elsevier, 2017-02-23)The European Commission is adopting strategies in order to “closing the loop” of product life cycles in industrial production systems through better recycling and re-use under the perspective of circular economy. One of ... -
Biomass aggregation influences NaN3 short-term effects on anammox bacteria activity
(IWA Publishing, 2017-03)The main bottleneck to maintain the long term stability of the partial nitritation-anammox processes, especially those operated at low temperatures and nitrogen concentrations is the undesirable development of nitrite ... -
Nitrite oxidizing bacteria suppression based on in-situ free nitrous acid production at mainstream conditions
(Elsevier, 2017-05-26)The application of autotrophic nitrogen removal processes in the main line of wastewater treatment plants will contribute to achieve its self-energy-sufficiency. However, the effective suppression of nitrite oxidizing ... -
Effects of Inoculum Type and Aeration Flowrate on the Performance of Aerobic Granular SBRs
(MDPI, 2017-07-19)Aerobic granular sequencing batch reactors (SBRs) are usually inoculated with activated sludge which implies sometimes long start-up periods and high solids concentrations in the effluent due to the initial wash-out of the ... -
Is SCENA a good approach for side-stream integrated treatment from an environmental and economic point of view?
(Elsevier BV, 2017-09-06)The environmental and economic benefits and burdens of including the first Short Cut Enhanced Nutrient Abatement (SCENA) into a real municipal wastewater treatment plant were evaluated using life cycle assessment (LCA) and ... -
Ionic liquids for low-tension oil recovery processes: Phase behavior tests
(Elsevier, 2017-10)Chemical flooding with surfactants for reducing oil-brine interfacial tensions (IFTs) to mobilize residual oil trapped by capillary forces has a great potential for Enhanced Oil Recovery (EOR). Surface-active ionic liquids ... -
Role of methanogenesis on the biotransformation of organic micropollutants during anaerobic digestion
(Elsevier, 2017-12-13)Several studies showed that some organic micropollutants (OMPs) are biotransformed during anaerobic digestion (AD). Yet, most of them aim at reporting removal efficiencies instead of understanding the biotransformation ... -
Comparative environmental Life Cycle Assessment of integral revalorization of vine shoots from a biorefinery perspective
(Elsevier, 2017-12-15)The use of vine shoots as feedstock in biorefining activities to obtain bioproducts under efficient and optimized conditions could be crucial to make future high added value compounds and processes more sustainable. In ... -
Laccase activity as an essential factor in the oligomerization of rutin
(MDPI, 2018)The enzyme-mediated polymerization of bioactive phenolic compounds, such as the flavonoid rutin, has gained interest due to the enhanced physico-chemical and biological properties of the products, which increases their ... -
Modeling photosynthetically active radiation from satellite-derived estimations over mainland Spain
(MDPI, 2018)A model based on the known high correlation between photosynthetically active radiation (PAR) and global horizontal irradiance (GHI) was implemented to estimate PAR from GHI measurements in this present study. The model ... -
Ionic Liquids derived from proline: application as surfactants
(Wiley, 2018)Ionic liquids derived from prolinium esters, previously described as fully green and stable, were found to decompose in the presence of water by ester hydrolysis. To avoid this problem, a new family of these biodegradable ... -
Blending based optimisation and pretreatment strategies to enhance anaerobic digestion of poultry manure
(Elsevier, 2018)Anaerobic digestion of poultry manure is limited by the excessive levels of nitrogen and the high concentration of dry matter. These limitations are usually overcome either by applying procedures to remove nitrogen or by ... -
Enrichment of nitrite-dependent anaerobic methane oxidizing bacteria in a membrane bioreactor
(Elsevier, 2018)The use of nitrite-dependent anaerobic methane oxidation (n-damo) processes could represent an innovative technology in order to minimize the environmental impact of anaerobic sewage effluents at low temperatures, since ... -
Understanding the sorption and biotransformation of organic micropollutants in innovative biological wastewater treatment technologies
(Elsevier, 2018)New technologies for wastewater treatment have been developed in the last years based on the combination of biological reactors operating under different redox conditions. Their efficiency in the removal of organic ... -
Trends in organic micropollutants removal in secondary treatment of sewage
(Springer, 2018)Organic micropollutants (OMPs) comprise a wide group of substances highly consumed in modern societies. There has been a growing social and scientific interest on OMPs in wastewaters in the twentyfirst century. This research ... -
Integrating granular activated carbon in the post-treatment of membrane and settler effluents to improve organic micropollutants removal
(Elsevier, 2018)Granular activated carbon (GAC) is applied as post-treatment technology in wastewater treatment plants (WWTPs) in order to increase the elimination of organic micropollutants (OMPs). However, the efficiency and life-time ...