نتایج جستجو برای: nuclear wastes

تعداد نتایج: 250582  

2011
L. Thomé S. Moll A. Debelle F. Garrido G. Sattonnay J. Jagielski Robert G. Elliman

Due to outstanding physicochemical properties, ceramics are key engineering materials in many industrial domains. The evaluation of the damage created in ceramics employed in radiative media is a challenging problem for electronic, space, and nuclear industries. In this latter field, ceramics can be used as immobilization forms for radioactive wastes, inert fuel matrices for actinide transmutat...

Journal: :Applied and environmental microbiology 2000
A Venkateswaran S C McFarlan D Ghosal K W Minton A Vasilenko K Makarova L P Wackett M J Daly

Immense volumes of radioactive wastes, which were generated during nuclear weapons production, were disposed of directly in the ground during the Cold War, a period when national security priorities often surmounted concerns over the environment. The bacterium Deinococcus radiodurans is the most radiation-resistant organism known and is currently being engineered for remediation of the toxic me...

2013
S. Chitra K. Paramasivan P. K. Sinha

Ethylenediaminetetraacetic acid (EDTA) is a chelating agent that has been used for decontamination purposes in nuclear industry. The presence of EDTA in decontamination wastes can cause complexation of the cations resulting into interferences in their removal by various treatment processes such as chemical precipitation, ion exchange etc. Further, it might also impart elevated leachability of c...

Journal: :Environmental science & technology 2010
J E Campbell E Block

Rapid escalation in biofuels consumption may lead to a trade regime that favors exports of food-based biofuels from tropical developing countries to developed countries. There is growing interest in mitigating the land-use impacts of these potential biofuels exports by converting biorefinery waste streams into cellulosic ethanol, potentially reducing the amount of land needed to meet production...

2017
Ikechukwu K. Ukaegbu Kelum A. A. Gamage

Radioactive sources exist in environments or contexts that influence how they are detected and localised. For instance, the context of a moving source is different from a stationary source because of the effects of motion. The need to incorporate this contextual information in the radiation detection and localisation process has necessitated the integration of radiological and contextual sensor...

2001
Charles Madic

For more than 10 years, a revival of the interest for the partitioning of high active nuclear wastes (HAWs) exists worldwide in connection with possible improvements of the management of the HAWs actually produced and with futuristic nuclear fuel cycles. The main aim of the partitioning processes is to separate, from the complex mixtures of HAWs, the long-lived radionuclides (LLRNs), belonging ...

2004
V. H. Varel D. N. Miller A. D. Lindsay

Wastes generated from the production of cattle and swine in confined facilities create the potential for surface and groundwater pollution, emission of greenhouse gases, transmission of pathogens to food and water sources, and odor. It is our hypothesis that something which inhibits microbial fermentation in livestock wastes will be beneficial to solving some of the environmental problems. Our ...

Journal: :Water science and technology : a journal of the International Association on Water Pollution Research 2006
D Bolzonella P Pavan S Mace F Cecchi

This paper presents a comparison of dry anaerobic digestion reactors fed with differently sorted municipal organic solid wastes. One reactor was fed with source sorted organic wastes and a second reactor was fed with mixed organic wastes consisting of grey wastes, mechanically selected municipal solid wastes and sludge. The two reactors utilised the same process (Valorga) and operational condit...

2016
Zahida Nasreen Sakhawat Ali Shumaila Usman Saima Nazir Ammara Yasmeen

The edible mushroom Pleurotus ostreatus has been studied as a potential crop to reduce agricultural solid wastes and increase mushroom production. P. ostreatus cultivated on various agricultural wastes singly i.e. rice straw (RS), rice husk (RH) wheat straw (WH), barley straw (BS), and cotton wastes (CW). The biological efficiency (B.E) was 25.61, 9.51, 22.6, 21.628 and 25.78 % while rounding u...

2017

Every industrial unit generates wastes along with the processed goods. These wastes actually represent loss of the valuable material and energy from the production processes and investment in the pollution control. Usual approach followed by the industries, to cope with the problem of wastes and pollution, is use of waste treatment systems as end-of-pipe remedies. The remedies adopted often res...

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