Gina Ghita

Institutul Naţional de Cercetare-Dezvoltare pentru Protecţia Mediului · Laboratories

Bisphenol A and its analogues represent a significant environmental and public health hazard, particularly affecting the endocrine systems of children and newborns. Due to the growing need for non-pathogenic biodegradation microbial agents as environmentally friendly and cost-effective solutions to eliminate endocrine disruptors, this study aimed t...

Environmental pollution with microplastic waste is a pressing problem of high importance world-wide. This paper is aiming at testing, on an experimental basis, by using a synthetic wastewater, a combined technology to remove the microplastic waste from wastewaters. The method involves a preliminary fragmentation of microplastics followed by the aer...

The presence of emerging pharmaceutical pollutants in the aquatic environment is generally related to anthropogenic activities such as domestic, industrial and hospital wastewater discharges and landfills. Special attention should be paid to the contamination of surface waters, as they are partly used for drinking water supply, since they directly...

In this study, the potential of soil contamination with heavy metals was evaluated, respectively Cd, Cu, Mn, Ni, Pb and Zn, in the area of the temporary municipal solid waste landfill located in the city of Botosani, Romania. The presence of heavy metals in the investigated area decreased in the sequence (mg/kg): Mn (860) > Zn (93.6) > Ni (48.9) >...

The presence of antibiotics in the aquatic environment can result in the emergence of antibiotic-resistant pathogens. In this paper, our aim was to identify, quantify and distribute macrolide antibiotics in the aquatic environment in the river basins of Arges-Vedea, Buzau-Ialomita and Dobrogea-Litoral and of the Danube River. In the Arges-Vedea riv...

Water pollution by emerging contaminants such as antibiotics is a major and current problem in the field of environmental protection. The presence of these micropollutants in surface waters, even in low concentrations, disturbs the ecological balance and leads to the selection and increase of the antibiotic resistant bacteria incidence, so that the...

Conservation and restoration of heritage structures represents a highlighted issue, the main challenge being to bring the cultural objective to its original state, or as close as possible to it by using eco-friendly materials with lover impact on the environment and human health. Within this study, the calcium zincate nanoparticles have been synthe...

Pharmaceuticals are a major group of emerging pollutants frequently identified in surface waters. The occurrence of pharmaceuticals as environmental pollutants is a problem involving multiple aspects and continue to cause new and serious challenges to ecosystems and human health. For example, antibiotics exert a selective pressure on bacterial comm...

Aquatic ecosystems provide many services for society including water for drinking, irrigation, and recreational activities. Emergent contaminants such as antibiotics that are present mainly in urban wastewater have a substantial impact on environment and human health, such as: potential genotoxic effects, disruption of aquatic ecosystems and develo...

Twenty-two groundwater sources mainly used for drinking purpose in Bucharest peri-urban area were investigated for assessment of physico-chemical and microbiological quality with a view to determining its potential risk to public health. Results of chemical analysis revealed that nitrites, sulphates and chlorides were below the permissible levels,...

Increasing anthropogenic influences on the environment has caused negative changes in natural ecosystems and soil contamination with potentially toxic metals has become a worrying issue at global level, due to the negative impact on the environment and human health. For the purpose of assessing soil contamination in the riparian areas of the Lower...

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Considering that the wetlands represent valuable water resources, functioning as authentic natural filters for water decontamination; and improve local air quality; it can also constitute important reserves of vegetable biomass, fish, timber, firewood, etc., being thus essential the protection of the wetlands of international importance. Another va...

Abstract. Electroplating sludge resulting from wastewater (washing wastewater and technological solutions) treatment is considered to be a hazardous waste, a mixture of hydroxides of the many heavy metals such us: iron, chromium, copper, nickel, cadmium or zinc. The metal compounds from electroplating sludge have a great economic value, thus, a num...

A study of precipitation chemistry was conducted from 2006 January to 2016 November in the Ciuc and Giurgeu basin, Eastern Carpathians, Romania. The results show that the natural precipitation in these areas is alkaline, with a volume weighted mean (VWM) of 6.49 and 6.88 in Ciuc and Giurgeu basin, respectively. NH4+ is the most potential species to...

Within this paper are evaluated some climatic factors which impact the hydrological responses in Susita catchment area. The Susita River is located in the Eastern part of Romania, between the Curvature Carpathians and the Lower Siret Plain, covering a surface of 370 km². The data used in this paper were provided by specialised institutions, such as...

The sewage network acts like a physical, chemical and biological reactor where microbial transformations occur, being a complex and extremely dynamic system. The mass transfer occurs between all the sewage subsystems: wastewater, sewage atmosphere, biofilm and sewage sediment. Using the sewage network as a 'pre-treatment step' contributes to improv...

Bala "problem" about navigation

The issue of hazardous industrial waste has always represented a challenge for both waste generators and researchers. The need to decrease the amount of industrial waste, impose a clear and firm strategy of re-use, to the detriment of disposal, under hazardous conditions for the environment and human health, most of the times. The galvanic sludge r...

Contribution to the strengthening of the bilateral cooperation between Romania and Norway, linked to improvement of knowledge and capacity of a number of experts and professionals in hazardous substances, by means of professional training: TARCHS PROJECT

This paper addresses the assessment of the Danube River water monitoring data obtained for the nutrients in the period 2013-2014 in order to achieve and/or maintain the environmental of the river for January-December period of each year in line with the provision of the Government elements of quality: N-NH 4 + , N-NO 2-, N-NO 3-, P-PO 4 3-, P t. Si...

The hydrological constructions performed for Bastroe Channel may affect anadromous migratory fish, such as sturgeon. This paper aims to establish the possible environmental consequences in the Danube Delta Biosphere Reserve and adjacent coastal zone, determined by the Bastroe project. A continuous sturgeon migration monitoring was performed in the...

Studies on precipitation chemistry were carried out from January 2006 to November 2016 at Miercurea Ciuc, Ciuc basin, and Joseni, Giurgeu basin, Eastern Carpathians, Romania. A total of 362 and 114 samples were collected at Miercurea Ciuc and Joseni, respectively, and were analyzed for pH, major cations and anions (NH4+, Na+, K+, Ca2+, Mg2+, Cl-, N...

The goal of this paper is to present an analysis of evolution in time and trends of air temperature, and the number of days with significant characteristics of the air temperature, in the city of Miercurea-Ciuc (Romania) for the 2006-2015 timeframe. The data were measured at an hourly basis by the Miercurea-Ciuc weather station, situated at an alti...

This study summarizes the results of a continuous measurements of gaseous pollutants, NO, NO2, NOx and O3 in the ambient air of Ciuc basin. The main objectives of this report were to characterize the concentration and temporal variations of ozone and its precursors in Ciuc basin; to discuss the relationship between ozone and atmospheric oxidation O...

Danube River is of particular importance for countries whose territories it crosses, both economically but in its impressive biodiversity too. Thus, it is important to know the distribution of pollutants in certain areas of interest, in order to mitigate their expansion and to decontaminate the pollution prone zones. In this study was assessed an a...

The hydrotechnical works carried out in order to improve navigation conditions on the Calarasi - Braila sector of Lower Danube, raise up the issue of the influence they might have on the environment. Therefore, it was necessary to undertake activities for monitoring the environmental factors. Considering the importance that it has in the aquatic ec...

This paper addresses the assessment of the Danube River water monitoring data obtained for the nutrient in the period 2013-2014 in order to achieve and/or maintain the environmental objectives of the Water Framework Directive (60/2000/CE). It has established the ecological status of the river for January-December period of each year in line with th...

The main objective is to analyze some physical-characteristics of the Șușița Catchment, such as climate, soil texture and land use type, having an impact in hydrological response of the catchment area. This analysis is useful in understanding the role of controlling factors in the hydrological processes taking place in the study area, such as sedim...

As part of the integrated monitoring system, monitoring of the air quality it is essential in areas where operating a cement factory, the atmosphere being the most common way of spreading pollutants derived from such industrial activity. To highlight the impact on the air of the activities that take place in the cement factory from Eastern Romania...

The main objective of this paper is the assessment of surface water quality polluted with various heavy metals (HM) using the quality indices and the information submitted may be useful for the competent authorities and the public. Cadmium (Cd), iron (Fe), manganese (Mn) and zinc (Zn) were determined from water samples of Socea Valley using the Ato...

Surface sediment samples were collected monthly from ten sites along the Danube River between Km 347 and Km 182, during May 2012 – August 2014, in order to assess heavy metal pollution status and adverse biological effects. Concentrations of six elements (Cu, Cr, Ni, Zn, Pb and Cd) were determined using AAS technique. Statistical analyses were perf...

There are many emerging contaminants with disrupting properties on the endocrine system, including some pesticides, pharmaceuticals and personal care products (PPCPs) that can get into water bodies through leaking due to pesticides use in farming, leaching from landfills or discharge of wastewater into water sources. In Romania, there is a lack of...

Heavy metals are considered dangerous contaminants due to the possibility of bioaccumulation and toxic effects on environment and human health. Six metals exhibiting a greater relevance to the aquatic ecosystem in terms of toxic effects (Cd, Cr, Cu, Zn, Ni and Pb) were analyzed from water samples collected monthly from ten sites, during May 2012-Ap...

As part of the integrated monitoring system, monitoring of the air quality is essential in areas where operating a cement factory, the atmosphere being the most common way of spreading pollutants derived from such industrial activity. To highlight the impact on air of the activities developed by the cement plant situated in the eastern part of Roma...

The topic of this paper is part of the current concerns to reduce the impact of pollutants on the aquatic environment by chemical treatment of wastewater in the context of sustainable development for improving quality of life. Suspended solids can lead to deposition of sludge and the occurrence of anaerobic fermentation with negative effects on the...

Distribution and variability of chlorophyll-a were investigated in this study, in relation to nutrient concentrations (total nitrogen-TN, total phosphorus-TP) and hydro-meteorological conditions. The ratio and sum between TN and TP were also studied. Water samples were collected monthly, during September 2012 - August 2014, from left and right bank...

The hydrotechnical works carried out in order to improve navigation conditions on the Calarasi – Braila sector of the Lower Danube, raise up the issue of the influence they might have on the environment. Therefore, it was necessary to undertake activities for monitoring the environmental factors. Considering the importance that it has in the aquati...

This paper presents the development of a method to determine heavy metals as arsenic (As), cadmium (Cd) and nickel (Ni) in PM 10 suspended particulate matters, according to the European standards EN 12341:2014 and EN 14902:2005 concerning measuring methods for heavy metals in air. PM 10 suspended particulate matter samples are retained on the filte...

Heavy metal pollution of sediments may have significant effects on environment and human health. Evaluation of heavy metal contamination (Zn, Cu, Ni, Pb, Cd, Cr) of 758 samples of surface sediments collected from the Danube River between Km 347 and Km 182 during May 2012 - April 2015 has been studied to represent the spatial distribution of heavy m...

The Danube River is a transboundary water body traversing many populated areas along its course and therefore is highly vulnerable to heavy metal pollution due to urbanization and industrialization. In this study, sixteen sites were sampled along the Danube River between Km 347 and Km 182 during September 2012-August 2014 for assessment of heavy me...

Adsorption is a fundamental process in physico-chemical treatment of municipal wastewater. Activated carbon is the most efficient adsorbent for this application. Physico-chemical systems using active carbon absorption, produce consistently high levels of treatment and have a high degree of stability and reliability. Advantages of this treatment com...

The Danube river, the most important European river serves as a resource for various water uses and, therefore, environmental quality of the Danube river basin is under great pressure from a diverse range of human activities. Although water is usually employed as a pollution indicator by trace metals, sediments are also considered to be important i...

Biological treatment process modelling is a complex process in which biochemical and hydrodynamic factors are in a strong interdependence. Mathematical models that are known at present and describe the activated sludge treatment processes do not consider the influence of hydrodynamic factors. This paper presents modelling and simulation of organic...

Many people consider that the sewerage system is just a simple transport system for wastewater, Some biological, chemical and physical processes take place in the urban sewerage system. These processes modify wastewater characteristics during its transportation towards the treatment plant. This paper shows the results of mulliphase fluid flow insid...