1 edition of Options for the Treatment and Solidification of Organic Radioactive Wastes (Technical Reports (International Atomic Energy Agency)) found in the catalog.
Options for the Treatment and Solidification of Organic Radioactive Wastes (Technical Reports (International Atomic Energy Agency))
January 1989 by International Atomic Energy Agency .
Written in English
|The Physical Object|
|Number of Pages||75|
Book Options. Format. Availability. Order No. List Price. Member Price. Print Book. Ships in Days. G $ $ Federal Regulation of Radioactive Wastes and Radiation Protection, Gaseous Waste Treatment, Liquid Waste Management, Incineration, Solidification, Packaging and Volume Reduction, The Disposal of Radioactive Material. approach that aims to minimize the amount of waste that find its way to a disposal site reducing waste, reusing materials, recycling, composting and recovering energy from waste-materials hierarchy of options where reducing waste and reuse materials are top -> compost organic waste & recycle -> use as energy resource -> treat and dispose. We have a national network of inorganic and organic hazardous waste facilities where the neutralisation of acidic and alkaline materials, de-watering of sludges and handling of low level radioactive materials is carried out. We also have a number of other specialist hazardous waste treatment . Paul Kalb has a MS Degree in Nuclear Engineering and Energy Policy from NY Institute of Technology and has been working at BNL on issues related to energy and the environment for over 30 years.
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Compared to other radioactive wastes, the volume of organic wastes generated is small; nevertheless they require a waste management strategy for safe handling, processing and final disposal. This report presents a review of the latest technical information available on options for the treatment and conditioning of organic radioactive wastes.
Options for the treatment and solidification of organic radioactive wastes. Vienna: International Atomic Energy Agency, (OCoLC) Material Type: Government publication, International government publication, Internet resource: Document Type: Book, Internet Resource: All Authors / Contributors: International Atomic Energy Agency, ISBN.
Epoxy resins have been used for the solidification ofradioactive wastes, but is currently being used only on some specialized waste. VINYLESTERMONOMERS The solidification ofaqueous wastes with vinyl estefstyrene (VES) binder requires high shear mixing to promote the formation ofa waste water-monomeremulsion.
The disadvantages of radioactive waste treatment with incineration are: off-gas filtering system are required to control radioactive discharges, thickening and dewatering wastes pretreatment may be required, is not economical for small solid waste plants and secondary waste volumes may be large (Chang, ; IAEA,and ; NEA, ).Cited by: 5.
The removal or destruction of organic materials present in rad-wastes is beneficial in a number of ways: it assists the safety case for disposal to a repository by removing concerns on gas generation, microbiological activity, void formation due to degradation and most importantly reduces mobilistion of radionuclides by chelants - a treatment.
Technical Reports Series No.Options for the Treatment and Solidification of Organic Radioactive Wastes, published in Since that time new developments have been reported for the processing and immobilization of organic radioactive waste and other radioactive waste which contains substantial amounts of organic components.
With the N, the organic waste solidification occurs in two steps. As the organic liquid travels moves through the polymer strands, the strands swell and immobilize the liquid. Then as the polymer-organic cure, over time, the polymer continues to collapse on the organic to create a.
Options for the Treatment and Solidification of Organic Radioactive Wastes book options as a part of the integrated radioactive waste management practice.
The main ai m from this work is to highlight the scientific community interest in im portant. There are various alternative waste treatment technologies, for example, physical treatment, chemical treatment, biological treatment, incineration, and solidification or stabilisation treatment.
These processes are used to recycle and reuse waste materials, reduce the volume and toxicity of a waste stream, or produce a final residual material that is suitable for disposal.
The selection of. Radioactive waste can be treated by thermal treatment, resulting in a robust end waste form with a high volume reduction factor (VRF). Not only is the VRF of importance but also the growing requirements for improved quality of the final waste form.
The molten salt waste from the pyroprocess is one of the problematic wastes to directly apply a conventional process such as vitrification or ceramization. This study suggested a novel method using a reactive material for metal chlorides at a molten temperature of salt waste, and then converting them into manageable product at a high temperature.
The inorganic composite, SAP (SiO2−Al2O3. Liquid organic radioactive wastes are generated from the use of radioisotopes in nuclear research centres and in medical and industrial applications. The volume of these wastes is small by comparison with aqueous radioactive wastes, for example; nevertheless, a strategy for the effective management of these wastes is necessary in order to.
The review discusses the transformation of waste to energy (WTE) through bioelectrochemical systems (BESs) treating organic waste, which makes up 47% of the total municipal solid waste generated.
Emphasis is given to the intermediate step—use of a leach bed reactor—to successfully convert WTE by explaining the constructional elements and. Radioactive wastes from fuel fabrication, nuclear reactor operation and decommissioning can also contain long-lived radionuclides.
Among the most important long-lived radionuclides in radioactive waste are 14 C, 99 Tc, I, , Pu and Np. Large amounts of long-lived fissile radionuclides can, in principle, create a critical.
It is shown that fused bagalt is suitable for immobilizing radioactive wastes having high specific activity. It has been found that recrystallization of the vitreous fused basalt phase improves the properties of the material, principally the mechanical strength and the chemical stability.
The calculated diffusion coefficients vary from 10−15 to 10−17 cm2/sec at temperatures of 30–70°C. Concrete is a major component in many low-level radioactive waste (LLW) disposal facilities.
The use of concrete is widespread because of its physical and structural properties and because it provides geochemical control on metal and radionuclide releases. Organic compounds are often disposed with radionuclides in LLW disposal facilities.
This study is based on evaluation of solidification methods for low-level radioactive liquid using natural zeolite. In classical method, LLW is decontaminated using zeolite and after the process spent zeolite becomes radioactive waste.
After decontamination process, zeolite waste is solidified using cement, sand and water. In this method; liquid radioactive waste was used instead of. High-Level Radioactive Wastes by Wm. Lennemann WHAT ARE HIGH-LEVEL WASTES The terms, low-level, medium- or intermediate-level and high-level radioactive wastes are being universally used, implying different concentrations of radionuclides or radioactivity in the waste.
These terms originated in the 's for operational purposes and generally. The most problematic waste streams include complex liquids such as organic (tri-butyl-phosphate TBP) solutions contaminated with Pu and U isotopes, mixed sludge types, high acid radioactive waste, H-3 tritium contaminated organic and aqueous streams, etc.
Environmental and economic challenges exist for the treatment and disposal of such waste. The volatilization of radionuclides during the stabiliza tion/solidification of radioactive wastes at high temperatures is one of the major problems to be considered in choosing suitable wasteforms, process, material systems, etc.
This paper reports a novel method to convert volatile wastes into nonvolatile compounds via a sol−gel process, which is different from the conventional method. Treatment Level C: Treatment to NRC requirements or recommendations for low-level radioactive waste solidification waste form stability requirements (Classes B and C LLW) for cement and noncement waste forms.
More stringent ANS leachability standards may be required at specific site, for example, Westinghouse Savannah River Company (WSRC).
Treatment Options Waste treatment technology is summarized in Section of the DOE Decommissioning Handbook (DOE, ). The major options are listed below.
Incineration is suitable for organic materials and mixed wastes. Abstract The review discusses the transformation of waste to energy (WTE) through bioelectrochemical systems (BESs) treating organic waste, which makes up 47% of the total municipal solid waste gen.
Organic polymer microencapsulation, specifically, is a useful method to encapsulate waste because it is well-suited for many types of applications, including liquid waste solidification; it exhibits a high degree of impermeability, and can quickly attain physical strength.
This work presents a comprehensive study for treatment and solidification of hazardous wastes; as major outcome, Portland cement was not only revealed as feasible and inexpensive material for. The volume of generated organic liquid radioactive wastes is small compared to other classes of radioactive waste.
Typical types of organic wastes, sources, and their characteristics are listed in Table 4. The features and limitations of different methods that are utilized in the treatment of organic liquid wastes are illustrated in Table 5.
Solid radioactive waste must be separated and labeled as combustible (plastics, paper, etc.) or noncombustible (glass, metal, etc.) Uncommon combustible materials include aluminum foil and soil.
Aqueous Liquid Radioactive Waste. Liquid radioactive waste must be separated and labeled according to whether it is aqueous (miscible in water) or. amount of solid radioactive waste has been generated in Egypt from a variety of nuclear technology applications in research, medicine, and industry.
The generated waste includes aqueous and organic liquid wastes, disused radioactive sources, ion-exchange resins, spent radionuclide generators, and large quantities of. This book provides a comprehensive and systematic reference on the various options available and under development for the treatment and immobilization of radioactive wastes.
The book opens with an introductory chapter on radioactive waste characterization and selection of conditioning technologies.
Treatment and Packaging. Intermediate Level Waste (ILW) may need treatment before being packaged for storage and disposal.
Treatment may involve super-compacting, cutting or ctive Waste Management (a subsidiary of the NDA) is responsible for preparing standards and specifications for ILW packages, and for providing advice to waste producers on the packaging of ILW.
Many books have been written on hazardous waste and nuclear waste separately, but none have combined the two subjects into one single-volume resource. "Hazardous and Radioactive Waste Treatment Technologies Handbook" covers the technologies, characteristics, and regulation of both hazardous chemical wastes and radioactive wastes.
The waste acceptance criteria define, among others, the quality of waste forms for disposal, and therefore will sometimes define appropriate treatment options. The selection of treatment options for spent ion exchange materials must consider their physical and chemical characteristics.
Environmental Pollution and Control, Third Edition focuses on the aspects of environmental engineering science and technology, including water pollution, wastewater, sludge treatment, and water pollution legislation. The book first elaborates on environmental and water pollution and measurement of water quality.
Discussions focus on chemical oxygen demand, bacteriological measurements, heavy. Such treatment could convert a chemical-radioactive-biological waste to a radioactive waste.
7.C.5 Future Trends in Management of Multihazardous Waste Multihazardous waste is becoming the focus of much attention by regulatory agencies, as well as by the laboratories that must deal with it. Get this from a library. Waste immobilization in glass and ceramic based hosts: radioactive, toxic and hazardous wastes.
[Ian W Donald] -- The safe storage in glass-based materials of both radioactive and non-radioactive hazardous wastes is covered in a single book, making it uniqueProvides a comprehensive and timely reference source at. treatment and ultimate disposal of both radioactive and chemically hazardous wastes.
Cement-based products, commonly referred to as grouts, are the predominant materials of choice because of their low processing costs, compatibility with a wide variety of disposal scenarios, and ability to meet stringent processing and performance requirements. An attempt is made to identify the main sources of low-level radioactive wastes that are generated in the United States.
To place the waste problem in perspective, rough estimates are given of the annual amounts of each generic type of waste that is generated.
Most of the wet solid wastes arise from the cleanup of gaseous and liquid radioactive streams prior to discharge or recycle. SOLID RADIOACTIVE WASTE LIQUID RADIOACTIVE WASTE WASTE GAS TO WASTE GAS DECAY TANK The chemical and volume control system (CVCS) on a pressurized water reactor is used to remove the activation products and fission products from the reactor coolant.
It w ill be used to show some of the sources of solid, liquid, and gaseous radioactive wastes. Hazardous-waste management - Hazardous-waste management - Treatment, storage, and disposal: Several options are available for hazardous-waste management.
The most desirable is to reduce the quantity of waste at its source or to recycle the materials for some other productive use. Nevertheless, while reduction and recycling are desirable options, they are not regarded as the final remedy to the.
ASME 15th International Conference on Environmental Remediation and Radioactive Waste Management September 8–12, Brussels, Belgium Incinerators, Organic compounds, Radioactive wastes, Water. Cadarache LOR (Liquides Organiques Radioactifs) Treatment by a Solidification Process Using NOCHAR Polymers.
Claire-Emilie Vaudey. If the waste characteristics are incompatible with the radwaste route specifications (presence of significant quantities of chlorine, fluorine, organic component etc or/and high activity limits), it is necessary to find an alternative solution that consists of a waste pre-treatment process.The treatment of liquid wastes of one category will normally result in two streams of other waste categories - a nearly equal volume of liquid waste of a lower specific activity and a much smaller volume of another category of waste (e.g.
a solid from a precipitation process). The composition of radioactive aqueous wastes covers a very wide range.Hazardous waste that is destined for land disposal must meet all applicable treatment standards prior to land disposal.
Treatment standards for hazardous wastes are found in the treatment standards table at Title 40 of the Code of Federal Regulations (CFR) in section A small portion of this table is shown below for purposes of illustration.