Search results for "ECL"
showing 10 items of 1262 documents
Boloniya declaration and quality of higher education
2005
Considered in the present paper are the questions of further revision of higher education system in context of the main theses of Boloniya declaration.
Towards 100 % recycling of reclaimed asphalt in road surface courses: binder design methodology and case studies
2016
Reclaimed Asphalt (RA) has shown great potential to be reused in new asphalt mixtures, however its incorporation in top asphalt pavement layers is still very limited (10e30%). In fact, despite the advan- tages that its use implies, RA content in road pavement surface courses is still restricted in most countries due to mainly legislation limitations, but also some technical issues. This paper aims at being a step further to improve the latter by providing a methodology that allows producing fundamental inputs for confidently performing mix design of asphalt mixtures incorporating up to 100% RA. The methodology consists in an advanced preliminary binder's blend design that can be used with a…
An Investigation of Protection Devices Coordination Effects on Distributed Generators Capacity in Radial Distribution Systems
2013
In the recent years, with the concept of Smart Grid, there are a great interest in integration of renewable energy based distributed generation (DG) units at distribution level. Along with a number of benefits, penetration of DG units in the distribution system imposes some serious challenges; protection requirements turns up as one of the most critical challenge in DG integration. In this paper the possibility and the potentiality of occurring mis-coordination between protection devices in radial distribution network is studied. The impacts of protection devices coordination on DG capacity are investigated. The penetration level, number, and location of interconnected DGs are used as param…
The Labour Market Crisis in Romania Causes, Effects and Potential Solutions
2020
Abstract We are going through troubled times, with worldwide pandemic crises affecting us altogether: citizens, companies and states. This article presents analyses and solutions to the workforce crisis of December 2019 and the workplace crisis of March 2020. Things have escalated from a workforce crisis to a new stage, namely an accelerated loss of workplaces and to a workplace crisis. In a matter of weeks, the labour market has moved from one extreme to the other extremely fast because of a very rough natural phenomenon which could not have been predicted, i.e. the global pandemic crisis caused by the COVID-19 coronavirus. It goes without saying that we all wish to achieve a relative bala…
Measurements of organochloro compounds at a metal reclamation plant
1993
Abstract Kuusakoski Ltd is a metal reclamation company operating world wide. Metals recovered are mainly aluminium, copper and different steels. NaCl and KCl are used in processes. Sampling and emission analysis of PCP's, PCB's, PCDD/PCDF's and PAH's were made from seven processes at plant. Emissions indicate, that large part of chlorinated aromatic compounds are formed due to PVC-plastic in cables and car components. On the basis of this study, we suggest, that chlorinated benzenes, -naphtalens and -diphenyl ethers should also be measured in the emissions.
Wastewater treatment and reclamation : A review of pulp and paper industry practices and opportunities
2016
The pulp and paper (P&P) industry worldwide has achieved substantial progress in treating both process water and wastewater, thus limiting the discharge of pollutants to receiving waters. This review covers a variety of wastewater treatment methods, which provide P&P companies with cost-effective ways to limit the release of biological or chemical oxygen demand, toxicity, solids, color, and other indicators of pollutant load. Conventional wastewater treatment systems, often comprising primary clarification followed by activated sludge processes, have been widely implemented in the P&P industry. Higher levels of pollutant removal can be achieved by supplementary treatments, which…
Nutrient recovery from wastewater treatment by ultrafiltration membrane for water reuse in view of a circular economy perspective
2022
The study aims to recover nitrogen from wastewater by employing ultrafiltration membrane in water reuse for agriculture purpose. To such aim, a new reclaimed water quality index (RWQI) is proposed and applied including an innovative protocol for its assessment. Specifically, the influence of filtration and backwashing times for an ultrafiltration system aimed to nutrient recovery has been analyzed. The final goal was to pin down the trade-off between operation costs and effluent quality. Results show that backwashing time play a crucial role in reducing the operation costs; indeed, low values (i.e., 0.5 min) lead to an increase in the number of required chemical cleanings and consequently o…
Potential Benefits and Limitations of Enriched Environments and Cognitive Activity on Age-Related Behavioural Decline
2011
The main aim of this chapter is to review preclinical studies that have evaluated interventions which may aid in preventing or delaying age-related behavioural decline. Animal models of Environmental Enrichment (EE) are useful for evaluating the influence of cognitive, physical and social stimulation in mitigating cognitive decline at different ages. The EE paradigm has been proposed as a non-invasive treatment for alleviating age-related memory impairment and neurodegenerative diseases. While in this complex environment, rodents can be stimulated at different levels (physical, social, cognitive and sensorial), although a synergism between all these components is likely to play an important…