Radioactive Waste Articles

There have been widespread concerns about solute transport problems in fractured media, e.g. the disposal of high-level radioactive waste in geological fractured rocks. Numerical simulation of particle tracking is gradually being employed to address these issues. Traditional predictions of radioactive waste transport using discrete fracture network (DFN) models often consider one particular ...

Aug. 3, 2017

By IWA Publishing

Cost effective and environmentally correct handling of radioactive wastewater Client: Dansk Dekommissionering, formerly known as Forskningscenter Risø. The Institution Dansk Dekommissionering was established in September 2003 with the purpose of taking over the responsibility for the nuclear facilities at the Risoe Research Centre. ...

Jun. 16, 2016

By Envotherm A/S

This paper presents new research and new cost calculations for carbon dioxide (CO2) disposal in Cuba and Lithuania, as well as lessons from the comparative assessment of CO2 and high–level Radioactive Waste (RW) disposal costs in several countries. Nuclear power and CO2 Capture and Disposal (CCD) ...

Oct. 28, 2014

By Inderscience Publishers

Reliable and cost–effective monitoring is an important part of making geological repositories safe, effective, and acceptable for radioactive waste disposal and carbon dioxide (CO2) storage. The major objectives of monitoring should include the evolution of disposal systems compared to the baseline data of the undisturbed site, as well as the validation of the assumptions and ...

Oct. 28, 2014

By Inderscience Publishers

The world community is seeking to move towards cleaner sources of energy for electricity generation to protect the environment. In addition to renewables, nuclear power and fossil fuel plants with carbon dioxide (CO2) capture and storage (CCS) are potential clean energy sources, if their wastes, i.e., radioactive material and CO2, are ...

Oct. 28, 2014

By Inderscience Publishers

This paper identifies the research paradigms in the area of radioactive waste management based on the technical reports retrieved from the International Nuclear Information System (INIS) from 1970 to 2012. The aim is to determine the volume of research output, the countries involved in the research; collaboration network has been studied at the micro level (individuals) and the macro level ...

Jun. 22, 2014

By Inderscience Publishers

After a short review of radioactive waste origins and inventories in Italy, the paper deals with the current major challenges that Italy has to cope with to pursue its radioactive waste sustainable management and safe disposal. Site restoration by Sogin of dismissed nuclear installations is part of the waste management challenge. The importance of assuring the highest levels of safety culture ...

Jan. 8, 2014

By Inderscience Publishers

The purchasing and procurement policy of the Italian Sogin company, which is engaged in the reclamation of nuclear sites and management of radioactive waste, helps to ensure safety and quality during all work stages so as to protect workers, citizens and the environment.Keywords: Sogin, Nucleco, nuclear decommissioning, radioactive waste, waste management and disposal, qualification system, ...

Jan. 8, 2014

By Inderscience Publishers

The present study is aimed at analysing the growth of literature on radioactive waste management. International Nuclear Information System (INIS) database is used as a data source to analyse the focused areas of this field for the period 1970–2011. Journal Citation Report–2010 is used for eliciting information related to journal impact factors. The database contained a total of 101,419 ...

May 29, 2013

By Inderscience Publishers

Since the commissioning of the 'El Cabril' Central Storage Facility for Low– and Intermediate–level Radioactive Waste (hereafter 'El Cabril'), most people living in nearby towns and villages have regarded this nuclear facility with a marked degree of rejection and distrust. This study examines the process of analysis, management and intervention specifically designed and implemented with a view ...

Jan. 31, 2013

By Inderscience Publishers

In the early 1970s after extensive characterisation of fallout the US Pacific Proving Grounds located at Enewetak Atoll began rehabilitation in preparation for the return of indigenous people who were relocated during the Cold War. Cleanup entailed removal and collection of ∼545 GBq of contaminated topsoil, vegetation, and debris (concrete and metal) that was subsequently entombed within an ...

Dec. 9, 2012

By Inderscience Publishers

For 20 years now, AVA has been delivering innovative mixers, dryers, and systems for environmental and processing technologies. The treatment of highly contaminated materials has always been one of our core competencies. For more than 10 years, AVA Technology has been applied for the processing of radioactive wastes. The application of AVA mixers and reactors may be divided into two main ...

Aug. 30, 2012

By AVA GmbH u. Co. KG

Scouring radioactive waste usually means just that. Scrub with soap and water, pails and brushes. Repeat. If it sounds messy, it is—and dangerous too for those exposed to dust and contaminated wastewater.  Hawaii-based CBI Polymers says it's come up with a better way to clean up nuclear waste. The firm's blue goo may not look high-tech; all you do is pour it. But as the superabsorbent ...

Dec. 6, 2011

By KT Chemicals, Inc.

The advance of the nuclear industry in all its forms coupled with growing concerns for possible environmental contamination has led to an increased interest in the quantification of radioisotopes in the environment. Radionuclides currently present in the environment originate from a variety of sources such as fallout from nuclear weapons testing, and in discharges from both nuclear and ...

Oct. 28, 2011

By PerkinElmer, Inc.

A two-stage installation for liquid radioactive waste (LRW) immobilisation is intended for LRW reprocessing with the objective to include radionuclides into solid vitreous matrix. Depending on the processing scheme of immobilisation, an installation for LRW immobilisation may include one or more devices. This paper describes a developed mathematical model of a two-stage installation for LRW ...

Jul. 28, 2011

By Inderscience Publishers

The present work is the second part of the authors' innovative method for radioactive wastewater-stream management, by volume reduction, by a mutual heating and humidification of a compressed dry air introduced through the wastewater. In this part, to determine the optimal operating conditions, a theoretical model describing volume reduction of the radioactive wastewater stream is achieved. A set ...

May 18, 2011

By Inderscience Publishers

The exponential growth in the knowledge base for radioactive waste management is a cause for concern in many national programmes. In Japan, this problem is exacerbated by a volunteering approach to siting of a deep geological repository, which requires particular flexibility in the tailoring of site characterisation plans, repository concepts and associated Performance Assessments (PAs). ...

May 18, 2011

By Inderscience Publishers

Supported Liquid Membrane (SLM) is an emerging trace metal pre-concentration technique. It has the ability to decontaminate radionuclides even from lean secondary effluent. SLM can be considered as a part of process intensification, which implies a closed loop operation. It has reduced space requirement as well as minimised secondary effluent generation and the number of unit steps. Proper ...

May 18, 2011

By Inderscience Publishers

A simple gamma technique based on using two identical detectors has been studied and applied to assay radwaste drums. The characterisation and performance of the measurement system are discussed for practical application. The results show that the proposed technique successfully solved the problem of assay of unusual radwaste drums (as released from Dalat Nuclear Reactor, Vietnam).Keywords: gamma ...

Sep. 30, 2010

By Inderscience Publishers

In an effort to reduce greenhouse emissions many nations and multi-national corporations are once again focusing on the development of safe radioactive sources for energy generation. After a hiatus of some 20 years commercial nuclear power plants are being developed globally to satisfy increasing global energy demands. Whether for generation of electrical power or in the production of fission ...

May 2, 2010

By Dynamic Adsorbents, Inc.