Topsoil radiological characterisation of L-54M reactor surroundings preliminary to decommissioning operations

Mossini, Eros; Codispoti, Luca Saverio Angelo; Giola, Marco; Castelli, Leonida; Macerata, Elena; Porta, Alessandro; Campi, Fabrizio

doi:10.1016/j.jenvrad.2017.11.026

Cited by 6 publications

(5 citation statements)

References 3 publications

(4 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Recently, preliminary radiological characterization of the site has started to obtain a preliminary estimation of radionuclide inventory and volume of radioactive waste that will likely arise from forthcoming decommissioning operations [7]. In 2015, an environmental radiological characterization was carried out to assess unrealistic contamination of the surrounding area and obtain the reference radiological blank [8]. In 2016, Politecnico di Milano joined the IAEA collaborative research project on irradiated GRAphite Processing Approaches (GRAPA) [9].…”

Section: Politecnico DI Milano Carried Out Several Activities Accordimentioning

confidence: 99%

MCNP model of L-54 M nuclear research reactor: development and preliminary verification

Parma

Rossi

Mossini

et al. 2018

J Radioanal Nucl Chem

Self Cite

View full text Add to dashboard Cite

Since shutdown , Politecnico di Milano managed L-54M nuclear research reactor according to deferred dismantling strategy. Recently, decommissioning activities have been started with preliminary radiological characterization, even though a more extended campaign would be required. In this work, a Monte Carlo N-Particle 3D model of the reactor has been proficiently developed to estimate graphite stack activation. To verify the model accuracy, several simulated criticality data have been satisfactorily compared with experimental ones, validating this computational approach as valid support to forthcoming radiological characterization campaign.

show abstract

Section: Politecnico DI Milano Carried Out Several Activities Accordimentioning

confidence: 99%

MCNP model of L-54 M nuclear research reactor: development and preliminary verification

Parma

Rossi

Mossini

et al. 2018

J Radioanal Nucl Chem

Self Cite

View full text Add to dashboard Cite

show abstract

“…The performances were created using the Experience Economy theoretical framework. It emerged in the last 30years as the dominant engine of economic activity it was propounded by Pine and Gilmore and states that "Work is Theatre and every business a stage" (Pine II et al, 2019). In other words, all businesses must orchestrate memorable events for their customers.…”

Section: Description Of Tourist Theatre Experiential Performancesmentioning

confidence: 99%

“…The authors draw from a mix of varied examples to demonstrate their theory. They urge managers to look beyond traditional pricing factors like time and cost and consider charging for the value of transformation that an experience offers (Pine II et al, 2019).…”

Section: Description Of Tourist Theatre Experiential Performancesmentioning

confidence: 99%

Beyond Watt Market Roundabout Audiences: Redesigning Tourists Oriented Theatres in Calabar

Yta

2020

pdr

View full text Add to dashboard Cite

Calabar, a coastal town in South-South Nigeria, has had a long-standing history of cultural tourist-oriented theatre performances. And today, its image as a tourist city has grown in leaps because of the Christmas Festival (A 32-day entertainment art and cultural events) it hosts annually plus other tourism products or attractions that complement the festival. Carnival seems to be a major attraction. Other attractions are not emphasized. This study explored how tourism-oriented theatres can be developed to add to existing attractions and increase varieties for tourists. The study used a combination of research methods including experiential theatre performances, participant observation, and focus group discussion. Findings show that local culture and arts and creative industries i.e., theatre can be used to promote destinations and enhance their attractiveness. They can help build the image of the city and promote indigenous arts and culture. This research significantly models the utility of theatre in the service of tourism and urban development. Some key recommendations this research makes include, the collaboration of the tourism industry, the performing arts sectors, and private business owners. Creating demand and market for specially packaged theatre products for tourists working with travel agencies to ensure that theatre is taken from the mainstream to the tourists.

show abstract

“…Although the decommissioning of nuclear power plants has been extensively studied [6][7][8][9][10][11][12][13], far less research has been done to examine the decommissioning of coal, oil, and natural gas-burning plants [4,14].…”

Section: Introductionmentioning

confidence: 99%

Column Leaching Tests to Valorize a Solid Waste from the Decommissioning of Coal-Fired Power Plants

et al. 2019

View full text Add to dashboard Cite

Solid waste from the decommissioning of coal-fired power plants collected from a power plant in Spain (Puertollano, Ciudad Real) was subjected to acid leaching tests in columns to evaluate the leachability of several valuable and toxic metals (Al, Ca, Fe, K, Mg, Na, Ti, V, Cr, Mn, Ni, and Zn). First, the contaminated waste, delivered by a national company, was chemically characterized. Second, column-leaching tests were conducted using two different acid solutions (nitric and sulfuric acid). The effect of the leaching agent concentration and time of leaching were examined. The results of column leaching tests showed that different concentrations of the acid solutions leached different proportions of Al, Fe, Mg, Mn, Ni, V, and Zn, which were leached by acid solutions from the solid waste sample. In general, use of sulfuric acid at pH 0.5 resulted in better leaching. Next, a comparison between three different configurations (one single stage without recirculation, one single stage with total recirculation of leachate and leaching in two consecutive stages: one with total recirculation of leachate and another one with acid set to a pH value of 0.5 and without recirculation) was performed. At the end of the experiments, all leaching methods resulted in comparable yields for Al (0.36–0.48%), Fe (5.99–6.40%), Mg (4.43–5.11%), Mn (2.71–2.83%), Ni (12.08–12.75%), V (0.08–0.34%), and Zn (23.62–25.28%). However, better results were obtained when two consecutive stages were carried out. Additionally, the effect of forced aeration on leachability was studied. Finally, this investigation showed that hydrometallurgical treatment of contaminated solid by means of acid leaching followed by basic leaching and a water wash between these stages was a potentially feasible method for reducing hazardous levels of the residue.

show abstract

Topsoil radiological characterisation of L-54M reactor surroundings preliminary to decommissioning operations

Cited by 6 publications

References 3 publications

MCNP model of L-54 M nuclear research reactor: development and preliminary verification

MCNP model of L-54 M nuclear research reactor: development and preliminary verification

Beyond Watt Market Roundabout Audiences: Redesigning Tourists Oriented Theatres in Calabar

Column Leaching Tests to Valorize a Solid Waste from the Decommissioning of Coal-Fired Power Plants

Contact Info

Product

Resources

About