A risk analysis model for radioactive wastes

Külahçı, Fatih

doi:10.1016/j.jhazmat.2011.04.083

Cited by 13 publications

(6 citation statements)

References 21 publications

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“…However, path coefficients approach has not yet applied to the study on soil potassium. The potassium absorb efficiency of plant root is affected by multiple factors [26], so it is not suitable to make estimation by use a single parameter [27]–[29]. The above mentioned studies focused on qualitatively descriptive analysis of single factor or multifactor, and failed to quantitatively disclose the dynamic process of potassium status [30].…”

Section: Introductionmentioning

confidence: 99%

Evaluating Status Change of Soil Potassium from Path Model

Chen

2013

PLoS ONE

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The purpose of this study is to determine critical environmental parameters of soil K availability and to quantify those contributors by using a proposed path model. In this study, plot experiments were designed into different treatments, and soil samples were collected and further analyzed in laboratory to investigate soil properties influence on soil potassium forms (water soluble K, exchangeable K, non-exchangeable K). Furthermore, path analysis based on proposed path model was carried out to evaluate the relationship between potassium forms and soil properties. Research findings were achieved as followings. Firstly, key direct factors were soil S, ratio of sodium-potassium (Na/K), the chemical index of alteration (CIA), Soil Organic Matter in soil solution (SOM), Na and total nitrogen in soil solution (TN), and key indirect factors were Carbonate (CO3), Mg, pH, Na, S, and SOM. Secondly, path model can effectively determine direction and quantities of potassium status changes between Exchangeable potassium (eK), Non-exchangeable potassium (neK) and water-soluble potassium (wsK) under influences of specific environmental parameters. In reversible equilibrium state of , K balance state was inclined to be moved into β and χ directions in treatments of potassium shortage. However in reversible equilibrium of , K balance state was inclined to be moved into θ and λ directions in treatments of water shortage. Results showed that the proposed path model was able to quantitatively disclose moving direction of K status and quantify its equilibrium threshold. It provided a theoretical and practical basis for scientific and effective fertilization in agricultural plants growth.

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Section: Introductionmentioning

confidence: 99%

Evaluating Status Change of Soil Potassium from Path Model

Chen

2013

PLoS ONE

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“…Weibull distributions with b [ 1 have a failure rate that increases with time, also known as wear-out failure ( Fig. 7; Külahcı 2011). The lognormal distribution is closely related to the normal distribution (Evans et al 2000).…”

Section: Risk Assessmentsmentioning

confidence: 99%

Proposals for risk assessment of major cations in surface water and deep sediment: iso-cation curves, probabilities of occurrence and non-occurrence of cations

Külahçı

2016

Environ Earth Sci

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Spatial analysis and stochastic risk analysis methodologies are proposed for the characterisation of major cations (Mg, Ca, K, Na and Zn) in deep sediments and surface waters of the Keban Reservoir, Turkey. Curves denoted as ''iso-cation curves'' were drawn using the spatial analysis of the major cations. Spatial diagrams and risk assessment allowed significant conclusions about the nature of the variations in cation concentration in the reservoir. Major cations are measured at 20 different locations within the reservoir, and their comparisons are presented through both spatial distribution and risk analysis models for each ion. Their collective behaviour was also analysed by comparing spatial diagrams of surface water and deep sediment concentrations. Finally, the iso-cation curves and achievement of the occurrence and/or non-occurrence cation probabilities in any research area can be generalised to other the environment sciences. This calculation can be extended easily to cover all pollutants at micro-and macroscales.

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“…Initially, Atlas ( 2001 ) and Pusch et al ( 2002 ) assessed the risks posed by the storage, treatment, and disposal of hazardous wastes, and determined whether such risky facilities were distributed in ethnic or low-income areas, and they provided recommendations to maximize the environment equity. Afterwards, many scholars conducted risk assessment and investigation on the management process of hazardous waste through certain analytical methods or models, so as to understand the weak links in the management process and design improvement plan (Mohanty & Codell, 2004 ; Ajdari et al, 2009 ; Garrick et al, 2010 ; Külahcı, 2011 ; Zhang et al, 2012 ; Li et al, 2012 ; Das, Gupta, & Mazumder, 2012a , 2012b , 2012c ).…”

Section: Detailed Analysis Of the Contentmentioning

confidence: 99%

Reverse logistics research of municipal hazardous waste: a literature review

Xin

Wang

et al. 2021

Environ Dev Sustain

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The reverse logistics of municipal hazardous waste (RLMHW) have received close attention from researchers and practitioners alike, given the essential impact of safe transportation and effective management of hazardous waste on public health and environmental sustainability. There are a great number of studies in the extant literature on RLMHW, with many and diverse research topics; however, a concise and complete overview of the research works already conducted in this particular area is conspicuous by its absence. This paper strives to fill the gap through the conduct of rigorous systematic literature review of RLMHW in the past three decades, and then establish a framework of studies on RLMHW. The main contributions of this study are as follows: (1) to identify the trend of journals publishing research papers on RLMHW; (2) to extract the main topics in studies on RLMHW; (3) to locate the most popular research areas of RLMHW; (4) to summarize the methods adopted in studies on RLMHW; (5) to identify research deficiencies in certain categories of RLMHW; and (6) to establish the future research directions of RLMHW. The main implications of the study are to offer a better understanding of RLMHW by systematic crystallization of archival data in a systematic chronological order across central issues. This study contributes to scholarly debate in this field by serving as a snapshot paper to document the development of the field and gives input to policymakers in process design and policy making in the domain of RLMHW.

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A risk analysis model for radioactive wastes

Cited by 13 publications

References 21 publications

Evaluating Status Change of Soil Potassium from Path Model

Evaluating Status Change of Soil Potassium from Path Model

Proposals for risk assessment of major cations in surface water and deep sediment: iso-cation curves, probabilities of occurrence and non-occurrence of cations

Reverse logistics research of municipal hazardous waste: a literature review

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