Now showing items 1-10 of 55
Is anaerobic digestion effective for the removal of organic micropollutants and biological activities from sewage sludge?
The occurrence of emerging organic micropollutants (OMPs) in sewage sludge has been widely reported; nevertheless, their fate during sludge treatment remains unclear. The objective of this work was to study the fate of ...
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, ...
Presence does not imply activity: DNA and RNA patterns differ in response to salt perturbation in anaerobic digestion
(BioMed Central, 2016-10-20)
Background The microbial community in anaerobic digestion is mainly monitored by means of DNA-based methods. This may lead to incorrect interpretation of the community parameters, because microbial abundance does not ...
Operation of an innovative WWTP with environmental objectives. A model-based analysis
Operation of wastewater treatment plants can be subjected to economic, energetic and/or environmental objectives, besides the compliance with effluent limits. As trade-offs between different objectives are frequently ...
Role of methanogenesis on the biotransformation of organic micropollutants during anaerobic digestion
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 ...
Laccase activity as an essential factor in the oligomerization of rutin
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 ...
Monitoring and diagnosis of energy consumption in wastewater treatment plants. A state of the art and proposals for improvement
In response to strong growth in energy intensive wastewater treatment, public agencies and industry began to explore and implement measures to ensure achievement of the targets indicated in the 2020 Climate and Energy ...
A metabolic model for targeted volatile fatty acids production by cofermentation of carbohydrates and proteins
Anaerobic mixed-culture fermentations are interesting processes to valorise organic wastes by converting them to volatile fatty acids. One of the main issues is that certain operational conditions (e.g. pH or different ...
A systematic methodology for the robust quantification of energy efficiency at wastewater treatment plants featuring Data Envelopment Analysis
This article examines the potential benefits of using Data Envelopment Analysis (DEA) for conducting energy-efficiency assessment of wastewater treatment plants (WWTPs). WWTPs are characteristically heterogeneous (in size, ...
Can nitrogen removal be a win-win situation?