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49
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Introduction
George Barjoveanu currently works at the Department of Environmental Engineering and Management, Gheorghe Asachi Technical University of Iasi.
His main research interests include:
Life cycle assessment
Water Resources management
Sustainability performance assessment
Emergent pollutants
Current institution
Additional affiliations
September 2012 - present
October 2012 - present
Publications
Publications (49)
This study evaluates the environmental impacts of end-of-life vehicle (ELV) management in Romania using a life-cycle assessment (LCA). It focuses on the current scenario of ELV waste generation and models current ELV practices like reuse, recycling, energy recovery, and final disposal with the goal of understanding the environmental impacts and ben...
Contaminated sediments may induce long-term risks to humans and ecosystems due to the accumulation of priority and emerging inorganic and organic pollutants having toxic and bio-accumulation properties that could become a secondary pollution source. This study focused on the screening of novel bio-based materials to be used in the decontamination o...
Pharmaceuticals and heavy metals pose significant risks to human health and aquatic ecosystems, necessitating their removal from water and wastewater. A promising alternative for this purpose involves their removal by adsorption on composite sorbents prepared using a conventional layer-by-layer (LbL) method or an innovative coacervate direct deposi...
Intensive rearing of different animals has led to significant amounts of farming animal derived wastes, such as chicken manure, an important biodegradable waste that is still frequently applied in direct land fertilization as a method of disposal. Unfortunately, this is not a sustainable treatment option for chicken manure due to its intrinsic prop...
A significant environmental impact associated to the intensive rearing of poultry is caused by the large quantities of chicken manure produced and the frequent use of inadequate waste treatment practices such as direct spreading on land or landfilling. Chicken manure may be valorised by using biological processes, with the condition of mixing it wi...
Currently, the management of polyethylene terephthalate (PET) trays waste is still challenging since this packaging affects the consolidate recycling of PET bottles. It is important to separate PET trays from the PET bottle waste stream to avoid its contamination during recycling process and to recover a higher amount of PET. Hence, the present stu...
This life cycle assessment (LCA) study focused on comparing the environmental performances of two types of synthesis strategies for polyethyleneimine (PEI) coated silica particles (organic/inorganic composites). The classic layer-by-layer and the new approach (one-pot coacervate deposition) were the two synthesis routes that were tested for cadmium...
The need to limit climate change and to improve air quality clearly is a driver for technology and policy changes in the transport sector. This study investigates how this technology shift at the European level ages personal car fleets at the regional level in Romania through second-hand imports. It also asks what how the situation will evolve in t...
This chapter explores the investigation of the environmental performance of novel materials used in water/wastewater treatment. This is needed from the earlier stages in their life cycle in order to gain a comprehensive image of their environmental impacts compared to their technical benefits for reducing water pollution.
The chapter presents the u...
The article deals with an original approach, based on sustainability, to select the best reactive capping alternatives for the remediation of contaminated sediments from Mar Piccolo (Italy), one of the most polluted marine ecosystems in Europe. Experimental tests were conducted to assess the capping effectiveness in contaminant sequestration and de...
Waste biomass from forestry and wood processing industries is a source to obtain fine chemicals, and its processing is a good example of circular economy, but it generates secondary environmental impacts. the main objective of this study was to analyse the environmental performances of laboratory scale processes for polyphenols extraction from spru...
Considering a sustainable approach to the production of novel materials used for water treatment processes, this study presents the development and implementation of prospective life cycle assessment (LCA) as an environmental support tool to identify and quantify the potential environmental impacts during the design, synthesis and testing of innova...
Drinking water treatment aims to avoid or minimize some risks to human health and to provide adequate water quality by removing physical, chemical and biological contaminants. However, treatment processes require increasing efforts in terms of technology, chemicals and energy inputs, which generate increased secondary environmental impacts and adde...
The presence of emerging pollutants in the aquatic environment in relatively small concentrations and the fact that they cannot be removed by conventional water/wastewater treatment processes bring new challenges in terms of adequate selection of technologies from the technical, economical and environmental
points of view. Generally, literature dis...
Considering the recent pressures in the energy sector at global level, in close relation with the conventional fuel availability, climate change, public interest and the overall debate for more sustainable energy sources, there is an acute need for instruments, capable to identify and measure in a coherent framework how various changes in the energ...
Packaging waste (PW) is a waste stream that has been given special consideration at the European level, the generated PW in European Union accounting for approximately 80 million tons each year, with some variations in 2008-2009 due to the economic crisis. The PW legislation has been introduced since 1985, but over the decades, several amendments a...
The main goal of water treatment is to avoid human health risks and to provide sufficient and good quality water for drinking, industrial purposes, and other economic activities by removing chemical and biological contaminants through water treatment processes. However, these processes require increasing efforts in terms of technology, chemicals an...
Introduction and study objectives
Relatively recently, the concept of the circular economy has been developed as a new paradigm for resources management, at European level. Thus, new legislation is currently developed and implemented with the scope of closing the life cycle of products by enhancing recycling and reuse to minimize resources use int...
Wastewater recycling and reuse represent common practices in several parts of the world, particularly in
those with an existing water deficit. Since conventional wastewater treatment plants are not able to
efficiently remove priority micropollutants and pathogens, there is a need of more adequate treatment
technologies. Advanced processes, like mem...
Purpose
Wastewater treatment plants produce high environmental impacts on receiving water bodies and pose economic burdens on municipalities or industrial facilities. Their overall operational costs and achieved effluent quality depend very much on the influent type, presence of priority pollutants, treatment technology and required effluent qualit...
Environmental assessments are often approached in an integrated manner, taking into consideration the decision-making processes, the stakeholders’ roles and the preservation of environmental components and human health. An environmental impact and risk assessment (EIRA) methodology could respond to the new challenges in water resources management s...
The use of membrane separation like ultrafiltration for reuse of reclaimed water has become an increasingly attractive option, especially nowadays when water quality and water scarcity are stringent issues. In this study, a secondary effluent from Iasi municipal wastewater treatment plant (MWWTP) was treated in a laboratory-scale ultrafiltration eq...
Water is essential for development and its use for the industrial and agricultural sector has grown to exceed natural supplies in many parts of the world. Businesses have became more aware of the water-related risks of their products, facilities and/or supply chain and started to consider the water accounting tools useful for identifying the “hotsp...
Abstract
Purpose
The main objective of this paper is to analyse through life cycle assessment (LCA), the entire water services system in Iasi City (Romania): a representative city for the problems faced by the water services sector in Romania. Furthermore, the study is aimed at demonstrating the usefulness of the LCA approach as a support instrume...
This study presents the development and use of a hydraulic-coupled water quality model for the simulation of Biochemical Oxygen Demand (BOD) concentrations in the Bahlui River, a small river located in northeastern Romania. This river experiences the typical pollution problems for many Romanian water bodies: heavy pollution from both diffuse and po...
The increased concentrations of priority pollutants in wastewaters have imposed the completion of conventional treatment with advanced treatment stages (such as catalytic oxidation, membrane processes, adsorption, ion exchange, etc.) for their removal by chemical degradation and/or physical separation. In this study, 4-chlorophenol (4-CP) is propos...
Water and its sustainable use is closely connected to developments in other fields, such as industry, agriculture and services, energy, nature conservation and health. The pressures imposed by the higher water demands, quality of discharges and climate change raise new water challenges which can be overcome only by coordinated efforts of multiple s...
Sustainable water resources management represents a key development direction which includes several challenges to be tackled, such as: development and implementation of strategic and integrated activities for water resources management processes according to the principles of the European Water Framework Directive, solving water availability and p...
This paper presents and discusses the possibility of using the life cycle assessment (LCA) methodology as a support instrument in water resources management. Traditionally, water is considered in LCA studies as a transport media for other impact generators and not as an impact category itself (i.e. damaged environmental component). In this context,...
Integrated water resources management is an important challenge in the countries with historic water pollution problems, enhanced by the occurrence of extreme climate phenomena, and by the insufficient stakeholder coordination and co-operation. In Romania, although the main problems that agricultural activities pose to water resources in the Prut r...
This paper presents a study on the integration of two advanced treatment processes for the removal of priority organic processes from wastewaters: catalytic oxidation (Fenton homogenous process) followed by ultra filtration. The aim of this study was to assess the removal efficiency for 4-chlorophenol (used as model pollutant), as well as the decre...
This paper is aimed at analyzing the institutional capacity of a water services provider in Iasi County (situated in north-eastern Romania) for meeting a series of strict environmental objectives in the context of European legislation and the accession of Romania to the European Union. The major challenges that have to be overcome in the next five...
The occurrence of priority organic pollutants in wastewaters streams and the environment has raised intensive scientific debates about their effects and the possible abatement technologies. This paper presents some results on the performance of ultrafiltration for the removal of 4-chlorophenol and 2.4-dichlorophenol from synthetic wastewaters. A la...
Sustainable water management is based onto an integrated approach that considers, among the others aspects, strategic planning, operational practices and infrastructure development, the last one being the most important challenge in this field for Romania because of the severe problems related to the outdated treatment infrastructure. Wastewater tr...
Mathematical modeling of the ultrafiltration (UF) process is motivated by the complexity of retention phenomena that occur during the UF in conjunction with the complexity of wastewater matrices submitted to ultrafiltration, as well as by the need to predict the process behavior in extreme conditions, such as high pollution loads for UF-membrane cl...
Mathematical modeling of the ultrafiltration (UF) process is motivated by the complexity of retention phenomena that occur during the UF in conjunction with the complexity of wastewater matrices submitted to ultrafiltration, as well as by the need to predict the process behavior in extreme conditions, such as high pollution loads for UF-membrane cl...
NOVELTY - The invention relates to an ultrafiltration-ultrasound treatment process for purifying waste waters in the textile industry, performed by using a phase of ultrasound treatment for producing a fine dispersion of chemical agent particles in the aqueous solution, which enters through a pipe (1), into an ultrasound treatment bath (2), followe...
Given the urgent need for reliable assessment instruments that can contribute to decision making processes within sustainable water resources management and reported capabilities of the Life cycle assessment (LCA) in this field, this paper presents the state-of-art regarding LCA methodology use in the analysis and evaluation of water supply and was...
Textile industry is one of the most pollutant and water consuming industries. Large quantities of water are required in materials preparation and dyeing, so consumption and waste generation have become serious concerns for textile manufacturers and finishers. Textile effluents are characterized by high values of quality indicators such as BOD and C...
Ultrafiltration (UF) represents an important option for the advanced wastewater treatment as it offers good performances from both technical and economical points of view, for the removal of suspended solids, colloids and some of the organic compounds present in different effluents. The occurrence of priority organic pollutants in wastewaters strea...
Ultrafiltration (UF) represents an important option for the advanced wastewater treatment as it offers good performances from both technical and economical points of view, for the removal of suspended solids, colloids and some of the organic compounds present in different effluents. The occurrence of priority organic pollutants in wastewaters strea...
Mathematical modelling represents a key tool in designing or scaling-up ultrafiltration processes and installations with high technical and economical efficiencies due to the complexity of the phenomena underlying the membrane separation processes. Modelling of the ultrafiltration processes is usually difficult because of these phenomena that occur...
The pulp and paper industry is confronted with more stringent regulations related to water consumption, wastewater treatment and recycling. The production process and the wastewater treatment process specific conditions are in close connection with the wastewater flows and pollution loads. This study presents an overview of membrane processes in co...
Sustainable development is nowadays more than a future objective; it is also a management process. Therefore it is important to be able to assess changes in those aspects of sustainable development, which are found important. This type of assessments relies, among others, on the use of sustainable development indicators. One of the objectives of th...
Due to the continuous deterioration of water quality, as well to the intensive and unbalanced usage of water in different regions and industries, not correlated enough with the adoption of coherent recycling and reuse practices, the future availability of water is threatened in many regions. Because of that, at the dawn of the third millennium, wat...
