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Environmental Health and Protection Commons™
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- Air pollutants (3)
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- Polish steelworks (2)
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Articles 1 - 7 of 7
Full-Text Articles in Environmental Health and Protection
Влияние На Окружающую Среду Технологии Непрерывного Литья, Marian Mazur, Marek Bogacki, Robert Oleniacz, Agnieszka Łopata
Влияние На Окружающую Среду Технологии Непрерывного Литья, Marian Mazur, Marek Bogacki, Robert Oleniacz, Agnieszka Łopata
Robert Oleniacz
This article presents a complex analysis of the impact of the technology of continuous casting of steel (CCS) on the rate of the air pollutant emissions from one of the Polish steel and iron plants. The emission sources occurring in the production process have been identified and their rate has been determined. The implementation of CCS has brought about significant changes in the production cycle of the steel plant and it also has caused an increase of the production effectiveness of steel products. The calculated environment effects have shown a considerable emission decrease of all pollutants in the scale of …
Ocena Funkcjonowania Instalacji Oczyszczania Gazów Odlotowych Z Procesu Grafityzacji Elektrod Węglowych W Sgl Carbon S.A. W Nowym Sączu, Marian Mazur, Robert Oleniacz, Marek Bogacki, Przemysław Szczygłowski
Ocena Funkcjonowania Instalacji Oczyszczania Gazów Odlotowych Z Procesu Grafityzacji Elektrod Węglowych W Sgl Carbon S.A. W Nowym Sączu, Marian Mazur, Robert Oleniacz, Marek Bogacki, Przemysław Szczygłowski
Robert Oleniacz
The paper presents a general analysis of the suitability of individual elements of the flue-gas treatment system used in SGL Carbon SA in Nowy Sacz (Poland) for the graphitization process carried out in new LWG furnaces (Castner type). The flue-gas treatment system consisted of two installations: catalytic afterburning and flue-gas desulfurization. The analysis of the suitability of various methods of flue-gas treatment was based primarily on the assessment of the effects of their application, including the reduction of concentrations of selected components in post-graphitizing gases. The work also summarizes the results of evaluation of the functioning of the whole flue-gas …
Likwidacja Strefy Ochronnej Wokół Huty Katowice W Dąbrowie Górniczej, Marian Mazur, Robert Oleniacz, Marek Bogacki
Likwidacja Strefy Ochronnej Wokół Huty Katowice W Dąbrowie Górniczej, Marian Mazur, Robert Oleniacz, Marek Bogacki
Robert Oleniacz
The paper presents the history of the creation, management and liquidation of the protective zone around the Katowice Steelworks and Coke "Przyjaźń" (originally belonging to the "Katowice Steelworks") in Dąbrowa Górnicza (Poland). This zone was created in 1978 on the basis of the air quality impact assessment performed for the steelworks on the assumption steel production capacity of 9 million tons/year and planned production of coke at 3.3 million tons/year. These production volumes have never been achieved. In the 80's and 90's of the 20th century were conducted studies and calculations aimed to verify the nuisance of these plants on …
Termiczne Przekształcanie Odpadów Medycznych W Instalacji Fluidalnej Firmy Seghers – Emisja Zanieczyszczeń Gazowych I Możliwości Jej Ograniczenia, Robert Oleniacz
Termiczne Przekształcanie Odpadów Medycznych W Instalacji Fluidalnej Firmy Seghers – Emisja Zanieczyszczeń Gazowych I Możliwości Jej Ograniczenia, Robert Oleniacz
Robert Oleniacz
The paper presents the results of measurements of concentrations and mass streams of selected components in the flue gases from the thermal treatment of medical waste in the Seghers incinerator based on fluidized bed reactor.
The tests were carried out at the measuring points located both before and after of the flue-gas cleaning system based on the injection of dry hydrated lime and carbon sorbent and a ceramic filter. In this way it was possible to determine the effectiveness of the removal of selected air pollutants in the dry cleaning system. Analysis of the results of measurements made it possible …
Dissolution Of Entrapped Dnapls In Variable Aperture Fractures: Experimental Data And Empirical Model, Sarah E. Dickson, Neil R. Thomson
Dissolution Of Entrapped Dnapls In Variable Aperture Fractures: Experimental Data And Empirical Model, Sarah E. Dickson, Neil R. Thomson
Sarah E Dickson
An appreciation of the dissolution from entrapped nonaqueous phase liquids (NAPLs) in fractures is essential as we attempt to understand and predict the fate of NAPLs present in fractured rock systems. Eight long-term dissolution experiments using 1,1,1-trichloroethane and trichloroethylene were conducted in two laboratory-scale dolomitic limestone variable aperture fractures under various conditions. Between 560 and 2600 fracture volumes of water were passed through the fractures resulting in the removal of 10−60% of the initial mass trapped. The effluent concentration profiles revealed three distinct and characteristic stages of dissolution: an initial pseudosteady stage, a transient stage, and a tailing stage. On …
Qsar Prioritization Of Chemical Inventories For Endocrine Disruptor Testing, Steven P. Bradbury, Patricia Schmeider, Ovanes Mekenyan, Gilman Veith
Qsar Prioritization Of Chemical Inventories For Endocrine Disruptor Testing, Steven P. Bradbury, Patricia Schmeider, Ovanes Mekenyan, Gilman Veith
Steven P. Bradbury
Binding affinity between chemicals and the estrogen receptor (ER) serves as an indicator of the potential to cause endocrine disruption through this receptor-mediated endocrine pathway. Estimating ER-binding affinity is, therefore, one strategic approach to reducing the costs of screening chemicals for potential risks of endocrine disruption. While measuring ER binding with in vitro assays may be the first choice in prioritizing chemicals for additional in vitro or in vivo estrogenicity testing, the time and costs associated with screening thousands of chemicals is prohibitive. Recent advances in 3D modeling of the reactivity of flexible structures make in silico methods for estimating …
Influence Of Suspended Solids On Acute Toxicity Of Carbofuran To Daphnia Magna: I. Interactive Effects, Steven P. Bradbury, Carl Herbrandson, Deborah L. Swackhamer
Influence Of Suspended Solids On Acute Toxicity Of Carbofuran To Daphnia Magna: I. Interactive Effects, Steven P. Bradbury, Carl Herbrandson, Deborah L. Swackhamer
Steven P. Bradbury
This study explored the effects on Daphnia magna from exposure to the pesticide carbofuran in combination with stress from suspended solids exposure. Our objective was to assess whether suspended solids affects the toxicodynamic response of D. magna to carbofuran. A series of laboratory experiments was performed where animals were exposed to carbofuran concentrations ranging from 0 to 160 mg/l in combination with suspended solids concentrations ranging from 0 to 10,000 mg/l. In the absence of suspended solids, effects of carbofuran were dose dependent and resulted in an EC(sub)50 of 92 mg/l. Exposure to suspended solids, up to extreme levels that …