Design and Performance of Paste Rock Systems for Improved Mine Waste Management

2008 ◽  
Author(s):  
Gordon Wilson ◽  
Ben Wickland ◽  
Iozsef Miskolczi
Keyword(s):  
Waste Management ◽  
Mine Waste ◽  
And Performance

Review and performance of four models to assess the fate of radionuclides and heavy metals in surface soil

1997 ◽  
Vol 77 (3) ◽  
pp. 333-344 ◽  
Author(s):  
M. I. Sheppard ◽  
D. E. Elrick ◽  
S. R. Peterson
Keyword(s):  
Environmental Impact ◽  
Waste Management ◽  
Chemical Exchange ◽  
Nuclear Industry ◽  
Hydrodynamic Dispersion ◽  
Model Parameters ◽  
Validation Data ◽  
Soil Transport ◽  
And Performance ◽  
The Impact

The nuclear industry uses computer models to calculate and assess the impact of its present and future releases to the environment, both from operating reactors and from existing licensed and planned waste management facilities. We review four soil models varying in complexity that could be useful for environmental impact assessment. The goal of this comparison is to direct the combined use of these models in order to preserve simplicity, yet increase the rigor of Canadian environmental assessment calculations involving soil transport pathways. The four models chosen are: the Soil Chemical Exchange and Migration of Radionuclides (SCEMR1) model; the Baes and Sharp/Preclosure PREAC soil model, both used in Canada's nuclear fuel waste management program; the Convection-Dispersion Equation (CDE) model, commonly used in contaminant transport applications; and the Canadian Standards Association (CSA) derived release limit model used for normal operations at nuclear facilities. We discuss how each model operates, its timestep and depth increment options and the limitations of each of the models. Major model assumptions are discussed and the performance of these models is compared quantitatively for a scenario involving surface deposition or irrigation. A sensitivity analysis of the CDE model illustrates the influence of the important model parameters: the amount of infiltrating water, V; the hydrodynamic dispersion coefficient, D; and the soil retention or partition coefficient, Kd. The important parameters in the other models are also identified. This work shows we need tested, robust, mechanistic unsaturated soil models with easily understood and measurable inputs, including data for the sensitive or important model parameters for Canada's priority contaminants. Soil scientists need to assist industry and its regulators by recommending a selection of models and supporting them with the provision of validation data to ensure high-quality environmental risk assessments are carried out in Canada. Key words: Soil transport models, environmental impact assessments, model structure, complexity and performance, radionuclides 137Cs, 90Sr, 129I

A Review of Progress in the Canadian Nuclear Fuel Waste Management Program

1985 ◽  
Vol 50 ◽  
Author(s):  
R. B. Lyon ◽  
L. H. Johnson
Keyword(s):  
Waste Management ◽  
Nuclear Fuel ◽  
Management Program ◽  
Selection Methods ◽  
Transportation Fuel ◽  
Waste Immobilization ◽  
Fuel Storage ◽  
And Performance ◽  
Nuclear Fuel Waste ◽  
Made In

AbstractThe Canadian Nuclear Fuel Waste Management Program is reviewed, illustrating the progress that has been made in assessing the concept of disposal of nuclear fuel waste in plutonic rock of the Canadian Shield. Research is being conducted into used fuel storage and transportation, fuel waste immobilization, site characterization and selection methods, and performance assessment modelling. Details of achievements in these areas are outlined, and results of the most recent interim assessment are discussed.

scholarly journals Analisis Bibliometrik dari Penelitian Bank Sampah untuk Pengelolaan Persampahan : 2008 – 2018 (Bibliometric Analysis of Waste Bank Research for Solid Waste Management: 2008 – 2018)

2019 ◽  
Author(s):  
Laili Fitria
Keyword(s):  
Waste Management ◽  
Success Factors ◽  
Solid Waste Management ◽  
Community Based ◽  
Environmental Care ◽  
Waste Bank ◽  
And Performance ◽  
Number Of Citations ◽  
Management Changes

AbstractThe concept of waste management through a waste bank was first researched in Thailand in 2008. It is known that waste banks can minimize the volume of waste that will be disposed of to landfill. Waste banks also create economic opportunities and can improve the quality of the environment. This research was conducted to find out how to manage waste through a waste bank. Scientific articles indexed by Dimensions (2008-2018) were analyzed by the systematic library review (SLR) method. The parameters analyzed include aspects of the number of articles published, journal choice, article writer, author's institution and country of origin, author collaboration, and the number of citations. The results of the analysis are visualized with the VOSviewer application. There are 99 scientific articles known and can be known by authors, institutions and any country in the world that study waste banks for waste management. Publications on waste banks tend to experience a significant increase from 2016 to 2018. Popular research topics are community-based waste management, changes in environmental care behavior, and performance evaluation and success factors for waste banks.Keywords: bibliometric, systematic literature review, VOSviewer, waste bank.AbstrakKonsep pengelolaan sampah melalui bank sampah pertama kali diteliti di Thailand pada tahun 2008. Diketahui bahwa bank sampah bisa meminimalkan volume limbah yang akan dibuang ke TPA. Bank sampah juga menciptakan peluang ekonomi dan bisa meningkatkan kualitas lingkungan. Penelitian ini dilakukan untuk mengetahui bagaimana pengelolaan sampah melalui bank sampah. Artikel ilmiah yang terindeks Dimensions (2008-2018) dianalisis dengan metode tinjauan pustaka sistematis (SLR). Parameter yang dianalisis meliputi aspek jumlah artikel yang terbit, pilihan jurnal, penulis artikel, institusi penulis serta asal negara, kolaborasi penulis, dan jumlah kutipan. Hasil analisa tersebut divisualisasikan dengan aplikasi VOSviewer. Diketahui ada 99 artikel ilmiah dan bisa diketahui penulis, institusi dan negara mana saja di dunia yang meneliti mengenai bank sampah dalam pengelolaan sampah. Publikasi mengenai bank sampah cenderung mengalami peningkatan yang signifikan dari tahun 2016 hingga 2018. Topik popular penelitian adalah manajemen pengelolaan sampah berbasis masyarakat, perubahan perilaku peduli lingkungan, serta evaluasi kinerja dan faktor keberhasilan bank sampah. Kata kunci: bank sampah, bibliometrik, tinjauan pustaka sistematis, VOSviewer.

scholarly journals Community Participation and Performance of Waste Segregation Program in Malacca: Towards Sustainable Waste Management

2019 ◽  
Vol 266 ◽  
pp. 02003
Author(s):  
Khalid Yusof ◽  
Faridah Ismail ◽  
Julitta Yunus ◽  
Norhafezah Kasmuni ◽  
Rohaslinda Ramele@Ramli ◽  
...  
Keyword(s):  
Waste Management ◽  
Solid Waste ◽  
Community Participation ◽  
Current Practice ◽  
Solid Waste Management ◽  
New Approach ◽  
Housing Area ◽  
Waste Segregation ◽  
And Performance

This paper reviews the current practice and challenges of community participation on waste segregation program in Jasin Malacca since 2015-2017. The Solid Waste Management and Public Cleansing (Act 672) which came into force on 1st September 2011, is Governments’ effort to provide a systematic, coordinated, effective and efficient solid waste management system in Malaysia including Malacca.. Since then, there has been significance increase on the amount recycle waste collected. However, the community participation on solid waste segregation and recycling program still at low level due to lack of awareness, attitude and exposure on the advantages of recycling in the long term. Thirty preliminary questionnaires were distributed randomly at resident’s housing area in Jasin and analysed through Average Index (AI) method. The result obtained shows the current challenges of the community in performing the waste segregation at source. From the result, further study will be conducted to discover new approach on promoting waste segregation which could provide the basis for success of 3R program in Malacca.

Guidelines for Mine Waste Dump and Stockpile Design

2017 ◽  
Keyword(s):  
Site Selection ◽  
Mine Waste ◽  
Open Pit ◽  
Economic Damage ◽  
Waste Dump ◽  
Analysis And Design ◽  
Waste Dumps ◽  
Mine Waste Dump ◽  
And Performance ◽  
Construction Operation

Guidelines for Mine Waste Dump and Stockpile Design is a comprehensive, practical guide to the investigation, design, operation and monitoring of mine waste dumps, dragline spoils and major stockpiles associated with large open pit mines. These facilities are some of the largest man-made structures on Earth, and while most have performed very well, there are cases where instabilities have occurred with severe consequences, including loss of life and extensive environmental and economic damage. Developed and written by industry experts with extensive knowledge and experience, this book is an initiative of the Large Open Pit (LOP) Project. It comprises 16 chapters that follow the life cycle of a mine waste dump, dragline spoil or stockpile from site selection to closure and reclamation. It describes the investigation and design process, introduces a comprehensive stability rating and hazard classification system, provides guidance on acceptability criteria, and sets out the key elements of stability and runout analysis. Chapters on site and material characterisation, surface water and groundwater characterisation and management, risk assessment, operations and monitoring, management of ARD, emerging technologies and closure are included. A chapter is also dedicated to the analysis and design of dragline spoils. Guidelines for Mine Waste Dump and Stockpile Design summarises the current state of practice and provides insight and guidance to mine operators, geotechnical engineers, mining engineers, hydrogeologists, geologists and other individuals that are responsible at the mine site level for ensuring the stability and performance of these structures. Readership includes mining engineers, geotechnical engineers, civil engineers, engineering geologists, hydrogeologists, environmental scientists, and other professionals involved in the site selection, investigation, design, permitting, construction, operation, monitoring, closure and reclamation of mine waste dumps and stockpiles.

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