Iodine behavior in containment : the reaction of iodine with surfaces : draft

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)

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Book Synopsis Iodine behavior in containment : the reaction of iodine with surfaces : draft by : H. E. Sims

Download or read book Iodine behavior in containment : the reaction of iodine with surfaces : draft written by H. E. Sims and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Iodine behavior in containment : quantifying the effects of organic reactions : draft

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)

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Book Synopsis Iodine behavior in containment : quantifying the effects of organic reactions : draft by : R. Fluke

Download or read book Iodine behavior in containment : quantifying the effects of organic reactions : draft written by R. Fluke and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Behavior of Iodine in Reactor Containment Systems

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ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Behavior of Iodine in Reactor Containment Systems by : G. W. Keilholtz

Download or read book Behavior of Iodine in Reactor Containment Systems written by G. W. Keilholtz and published by . This book was released on 1965 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Iodine Behavior in Containment Under LWR Accident Conditions

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis Iodine Behavior in Containment Under LWR Accident Conditions by :

Download or read book Iodine Behavior in Containment Under LWR Accident Conditions written by and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The description of containment iodine behavior in reactor accident sequences requires an understanding of iodine volatility effects, deposition and revaporization/resuspension (from surfaces and aerosols), chemical changes between species, and mass transport. The experimental work in this program has largely centered on the interactions of iodine in or with water pools. The formation of volatile iodine, as I2 or organic iodides, is primarily dependent on radiation and solution pH. Lower pH results in increased formation of volatile iodine species; thus, for example, a pH of 3.05 resulted in a conversion of I− to I2 that was more than two orders of magnitude greater than tests run at pH 6.1 or 6.8. The formation or organic iodides involving water pools has been linked to the presence of iodine as I2, the solution/gas contact, and to the type of organic material.

Behavior of Iodine in the Nuclear Safety Pilot Plant Model Containment Vessel

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ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Behavior of Iodine in the Nuclear Safety Pilot Plant Model Containment Vessel by :

Download or read book Behavior of Iodine in the Nuclear Safety Pilot Plant Model Containment Vessel written by and published by . This book was released on 1964 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Chemistry and Transport of Iodine in Containment

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ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.3/5 (126 download)

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Book Synopsis Chemistry and Transport of Iodine in Containment by : E. C. Beahm

Download or read book Chemistry and Transport of Iodine in Containment written by E. C. Beahm and published by . This book was released on 1986 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Iodine Behavior in Containment Under LWR Accident Conditions

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ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.:/5 (2 download)

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Book Synopsis Iodine Behavior in Containment Under LWR Accident Conditions by : S. J. Wisbey

Download or read book Iodine Behavior in Containment Under LWR Accident Conditions written by S. J. Wisbey and published by . This book was released on 1986 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Global Model for Iodine Behaviour in Reactor Containment

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (133 download)

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Book Synopsis Global Model for Iodine Behaviour in Reactor Containment by : Anandhi Narayanan

Download or read book Global Model for Iodine Behaviour in Reactor Containment written by Anandhi Narayanan and published by . This book was released on 2000 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this thesis was to develop a mechanistic model to simulate iodine behaviour within the containment structure of a nuclear generating station. The model included both aqueous and gas phase radiolysis and interfacial mass transfer. Validation of the model was conducted for each phase separately and the combined model was applied to a few reactor accident scenarios. The aqueous model successfully reflected various experimental data over a wide range in pH, iodide concentration, temperature, and dose rate. The incorporation of gas phase chemistry served to determine the dominant chemical forms of gaseous iodine. In addition, it was observed that hydrogen, likely to be present in the containment atmosphere, would hinder the elimination of molecular iodine. Finally, the interaction of iodine with nitrogen oxides was significant when compared to reactions with ozone. Hence, the deposition of ozone onto surfaces did not impact iodine behaviour. The development of this model will serve as a useful tool for reactor safety assessments.

Iodine Chemical Forms in LWR Severe Accidents

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (245 download)

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Book Synopsis Iodine Chemical Forms in LWR Severe Accidents by : Charles F. Weber

Download or read book Iodine Chemical Forms in LWR Severe Accidents written by Charles F. Weber and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Chemistry and Mass Transport of Iodine in Containment

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Total Pages : pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis Chemistry and Mass Transport of Iodine in Containment by :

Download or read book Chemistry and Mass Transport of Iodine in Containment written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: TRENDS is a computer code for modeling behavior of iodine in containment. It tracks both chemical and physical changes and features such as calculation of radiation dose rates in water pools, radiolysis effects, hydrolysis, and deposition/revaporization on aerosols and structural surfaces. Every attempt has been made to account for all significant processes. Reaction rate constants for iodine hydrolysis and radiolysis were obtained by a variable algorithm that gives values closely modeling experimental data. TRENDS output provides the distribution of iodine in containment and release from containment as a function of time during a severe accident sequence. Initial calculations with TRENDS have shown that the amount of volatile iodine released from containment is sensitive to the value of the liquid-gas (evaporation) mass transport coefficient for I2. 7 refs., 4 figs., 3 tabs.

The reaction of iodine with surfaces

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Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)

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Book Synopsis The reaction of iodine with surfaces by : A. M. Deane

Download or read book The reaction of iodine with surfaces written by A. M. Deane and published by . This book was released on 1990 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Assessment of Iodine Behaviour in Reactor Containment Buildings from a Chemical Perspective

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Publisher : Pinawa, Man. : Whiteshell Nuclear Research Establishment
ISBN 13 :
Total Pages : 77 pages
Book Rating : 4.:/5 (159 download)

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Book Synopsis Assessment of Iodine Behaviour in Reactor Containment Buildings from a Chemical Perspective by : Atomic Energy of Canada Limited

Download or read book Assessment of Iodine Behaviour in Reactor Containment Buildings from a Chemical Perspective written by Atomic Energy of Canada Limited and published by Pinawa, Man. : Whiteshell Nuclear Research Establishment. This book was released on 1981 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Impact of Organic Compounds on Iodine Behaviour Under Conditions Relating to Nuclear Reactor Accidents

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Book Rating : 4.:/5 (133 download)

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Book Synopsis The Impact of Organic Compounds on Iodine Behaviour Under Conditions Relating to Nuclear Reactor Accidents by : Fariborz Taghipour

Download or read book The Impact of Organic Compounds on Iodine Behaviour Under Conditions Relating to Nuclear Reactor Accidents written by Fariborz Taghipour and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The impact of organic compounds on iodine behaviour was investigated under a range of post-accident chemical conditions expected in a reactor containment structure. A bench scale apparatus installed in the irradiation chamber of a Gammacell was used to provide continuous measurement of iodine volatilization rates from 10-6 to 10 -4 CsI solutions with pH values from 5 to 9. The rate of production of volatile iodine was evaluated in the presence of 10-3 M concentrations of various alkyl halides, carbonyls, and aromatics; the three classes of organic compounds most likely present in containment. Iodo-organics and molecular iodine in the gas and liquid phases of the irradiated samples were analyzed using gas chromatography, mass spectrometry, and UV spectrophotometry. A model was developed that simulates the radiation chemistry of iodine in the presence of organic compounds and evaluated against the experimental results. The results indicated that organic compounds can be classified into groups, based on their distinct effects on iodine behaviour. Iodine volatilization increased significantly, up to two orders of magnitude, in the presence of carbonyls and alkyl chlorides, while it decreased in the presence of aromatics. Gas and liquid phase analysis indicated that chloro-iodo organics and alkyl iodides are the major types of volatile iodo-organics formed in the presence of alkyl chlorides and carbonyls, respectively, while no volatile iodo-organics are formed in the presence of aromatics. Molecular iodine measurements in the systems showed that I2 concentration increases in the presence of alkyl chlorides and decreases in the presence of carbonyls and aromatics. The kinetic-based model, containing a mechanistic description of iodine chemistry and generic semi-mechanistic reactions for various classes of organics, provided a reasonable prediction of the experimental results. The majority of the model and experimental results were in agreement within an order of magnitude. The results of this research will assist in predicting and reducing the radiological consequences of reactor accidents. In particular, the results indicate the advantage of maintaining basic pH and avoiding alkyl halide or ketone based solutions in post-accident reactor containment, in order to reduce radioactive iodine volatility, and hence, improve reactor safety.

Energy Research Abstracts

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ISBN 13 :
Total Pages : 852 pages
Book Rating : 4.3/5 (129 download)

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Book Synopsis Energy Research Abstracts by :

Download or read book Energy Research Abstracts written by and published by . This book was released on 1990 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt:

AEC Authorizing Legislation

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ISBN 13 :
Total Pages : 1008 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis AEC Authorizing Legislation by : United States. Congress. Joint Committee on Atomic Energy

Download or read book AEC Authorizing Legislation written by United States. Congress. Joint Committee on Atomic Energy and published by . This book was released on 1967 with total page 1008 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Hearings and Reports on Atomic Energy

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ISBN 13 :
Total Pages : 974 pages
Book Rating : 4.2/5 (828 download)

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Book Synopsis Hearings and Reports on Atomic Energy by : United States. Congress. Joint Committee on Atomic Energy

Download or read book Hearings and Reports on Atomic Energy written by United States. Congress. Joint Committee on Atomic Energy and published by . This book was released on 1967 with total page 974 pages. Available in PDF, EPUB and Kindle. Book excerpt:

AEC Authorizing Legislation, Fiscal Year 1968

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ISBN 13 :
Total Pages : 908 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis AEC Authorizing Legislation, Fiscal Year 1968 by : United States. Congress. Joint Committee on Atomic Energy

Download or read book AEC Authorizing Legislation, Fiscal Year 1968 written by United States. Congress. Joint Committee on Atomic Energy and published by . This book was released on 1967 with total page 908 pages. Available in PDF, EPUB and Kindle. Book excerpt: