Theoretical and Experimental Research in Order to Protect the Environment in Romania

Chivu, Oana Roxana; Semenescu, Augustin; Babiş, Claudiu; Iacobescu, Gabriel; Negoita, Olivia; Grădinaru, Sebastian

doi:10.37358/rc.17.8.5780

Cited by 3 publications

(3 citation statements)

References 3 publications

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“…At the other end of the ranking there are countries where the use of bags in 2010 was well above average -for example, 269 bags in Greece and 421 in Bulgaria [24]. Defending the environment in Romania, it is a subject of great significance both for the present and especially for the future [4].…”

Section: Resultsmentioning

confidence: 99%

The Influence of the Plastic Bags on the Environment

Tudor¹,

Marín²,

Vasca³

et al. 2018

Mat.Plast.

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It is known, as well as a rule, that plastic materials can not instictively and naturally degrade when released into the environment. Due to the persistence of plastics to degradation and also to propagation in industry, the problem of plastic pollution has progressed considerable in order to become a threat to global ecology, on land and sea. The present study presents a global mapping of actions brought in to reduce the use of plastic, plastic bags and foamed plastic products, followed by selected case studies from each region of the world, with more attention offered to the European Union countries and the strategies elaborated by them to provide a cleaner and safer environment.

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Section: Resultsmentioning

confidence: 99%

The Influence of the Plastic Bags on the Environment

Tudor¹,

Marín²,

Vasca³

et al. 2018

Mat.Plast.

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“…Starting from measured values of the investigated pollutants in environmental compartment [22][23][24][25][26] water the transfer of these hazardous pollutants in sediment, biota and air was achieved by modeling. To validate the model, also the measured values obtained for sediment samples were used, as these types of evidence have been worked as real samples in the laboratory.…”

Section: Model Parametersmentioning

confidence: 99%

A Fugacity Based Model for the Assessment of Pollutant Dynamic Evolution of VOCS and BTEX in the Olt River Basin (Romania)

Iordache¹,

Iordache²,

Şandru³

et al. 2019

Rev. Chim.

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An important tributary of the Danube River, the Olt River, was characterized in its middle and lower catchment in terms of volatile organic compounds (1,2 -dichloroethane and perchlorethylene) and volatile aromatic hydrocarbons (benzene, toluene and xylene isomers) to better assess their transfer in the environmental compartments (air, water, sediment and biota). A fugacity based calculation model was applied to establish the bio-concentration factors (BCFs) that relates the compounds concentration from sediment-, water- or air- to the biota based on experimental data. Thus, conclusive suggestions can be achieved for a rapid preliminary risk assessment as support tool for the preventive measures in the contaminated areas resulting from accidental chemical discharges or continuous pollution. For thus, water and sediment samples were collected and analyzed by gas chromatography for the selected compounds, the results being applied as input data for the model. The modeling revealed the tendency of the investigated compounds to transfer from water section to air. Simulated values obtained for section sediment as validation tool, are comparable and compatible with the values obtained by analytical measurements, and thus a rapid estimation of the pollution level in the environmental compartment of interest can be achieved based on a limited number of analytical measurements. Thus, by applying the fugacity model to estimate a pollution footprint, conclusive indications for a rapid environmental risk assessment can be achieved.

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“…Environmental protection is a matter of great importance that must be treated very seriously, both internationally as well as nationally [1].…”

mentioning

confidence: 99%

Optimization of Waste Inertization Systems Based on Chemically Bonded Phosphate Ceramics

Dumitrescu¹,

Andronescu²,

Mares³

2018

Rev. Chim.

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This paper presents the experimental results for optimization of the waste inertization systems based on Chemically Bonded Phosphate Ceramics (CBPCs). Through this process, the hazardous wastes containing heavy metals are transformed, by chemical reactions and binding in a solid matrix, into non-hazardous wastes. It was studied the obtaining mode of chemically bonded phosphate ceramics from magnesium oxide and potassium dihydrogen phosphate. Since the CBPCs system is a fast setting system it was studied the effect of retarders (boric acid and calcium lignosulphonate) used in concentrations of 1, 2 and 3% (based on the amount of magnesium oxide and potassium dihydrogen phosphate) above the setting process. It was determined the setting time and compressive strength of the obtained samples. The optimal variant has been established to obtain a suitable material in terms of both mechanical and compositional properties.

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Theoretical and Experimental Research in Order to Protect the Environment in Romania

Cited by 3 publications

References 3 publications

The Influence of the Plastic Bags on the Environment

The Influence of the Plastic Bags on the Environment

A Fugacity Based Model for the Assessment of Pollutant Dynamic Evolution of VOCS and BTEX in the Olt River Basin (Romania)

Optimization of Waste Inertization Systems Based on Chemically Bonded Phosphate Ceramics

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