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標(biāo)題: Titlebook: Denitration of Radioactive Liquid Waste; L. Cecille,S. Halaszovich Book 1986 ECSC, EEC, EAEC, Brussels and Luxembourg 1986 Precipitation.f [打印本頁(yè)]

作者: intensify    時(shí)間: 2025-3-21 19:48
書目名稱Denitration of Radioactive Liquid Waste影響因子(影響力)




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書目名稱Denitration of Radioactive Liquid Waste讀者反饋




書目名稱Denitration of Radioactive Liquid Waste讀者反饋學(xué)科排名





作者: cogent    時(shí)間: 2025-3-21 21:08
Radioactive Waste Management Serieshttp://image.papertrans.cn/d/image/265537.jpg
作者: ALT    時(shí)間: 2025-3-22 01:50

作者: defray    時(shí)間: 2025-3-22 05:21
Distributed Services with OpenAFS the nuclear fuel cycle, particularly in fuel reprocessing. These solutions contain free nitric acid and considerable amounts of nitrate salts. Denitration can be performed either thermally or in solution by chemical means. Various organic reductants such as formic acid, formaldehyde and sugar have
作者: 破布    時(shí)間: 2025-3-22 09:52

作者: 擺動(dòng)    時(shí)間: 2025-3-22 13:17

作者: 擺動(dòng)    時(shí)間: 2025-3-22 17:30

作者: Gratulate    時(shí)間: 2025-3-22 23:52
Okan Top?u,Umut Durak,Levent Yilmazhe topics which are discussed in this context, are the formation and reaction of explosive gases, the uncontrolled reaction of nitric acid with formic acid because of false operation conditions, the formation and reaction of an organic phase, and the catalytic effect of traces of rare earths or nobl
作者: 單純    時(shí)間: 2025-3-23 05:00

作者: 防御    時(shí)間: 2025-3-23 05:50

作者: commute    時(shí)間: 2025-3-23 10:57

作者: SEVER    時(shí)間: 2025-3-23 14:40
Bistatic Synthetic Aperture Radarubbed with nitric acid or alkaline solutions. In this way big volumes of secondary wastes containing high nitrate concentrations, which cannot be easily discharged, are obtained. The NOx catalytic abatement with selective ammonia reduction, which has been studied at the COMB/MEPIS-RIFIU Laboratory,
作者: 引起    時(shí)間: 2025-3-23 18:51

作者: SOW    時(shí)間: 2025-3-24 01:16

作者: 落葉劑    時(shí)間: 2025-3-24 04:54

作者: 使人煩燥    時(shí)間: 2025-3-24 09:06
Srinivas R. Vadali,Kyle T. Alfriendf three main steps: receiving of solutions and feeding, concentration in a kettle type evaporator, and absorption of NOx. This process is operated semi-continuously: concentration is performed at constant level (with denitration and NOx absorption) and evaporator is emptied by batch to the storage.
作者: Consequence    時(shí)間: 2025-3-24 10:45

作者: 鞭子    時(shí)間: 2025-3-24 17:47

作者: 使更活躍    時(shí)間: 2025-3-24 19:31
978-0-86010-854-2ECSC, EEC, EAEC, Brussels and Luxembourg 1986
作者: 難管    時(shí)間: 2025-3-25 03:03

作者: 加強(qiáng)防衛(wèi)    時(shí)間: 2025-3-25 03:54

作者: 客觀    時(shí)間: 2025-3-25 10:56
Alternative Organic Reductants for DenitrationHANFORD, USA. More than 12 moles nitric acid can be decomposed per mole sucrose. The decomposition is linerarly dependent on the concentration of sugar and the presence of iron increases the reaction rate. On account of the slow reaction, which does not give rise to foaming, a simple uncomplicated d
作者: 表主動(dòng)    時(shí)間: 2025-3-25 12:34

作者: 同謀    時(shí)間: 2025-3-25 16:24

作者: 舔食    時(shí)間: 2025-3-25 22:06

作者: 柏樹    時(shí)間: 2025-3-26 01:19
Denitration of Reprocessing Concentrate by Means of HCOOHts N.O and CO. may be released into the atmosphere..The process was subjected to testing on lab scale involving simulated and real medium-level waste concentrate, on semitechnical scale involving 50 1, and on pilot scale involving 200 1 batch volumes of simulated medium-level waste solutions. In the
作者: precede    時(shí)間: 2025-3-26 05:50

作者: regale    時(shí)間: 2025-3-26 10:28

作者: intrigue    時(shí)間: 2025-3-26 16:14

作者: 自戀    時(shí)間: 2025-3-26 18:07

作者: 命令變成大炮    時(shí)間: 2025-3-26 22:05
Reduction of Ru and Tc Volatility during Vitrification of HLLW by Denitrationrmation of oxidized compounds of certain elements. These include ruthenium and technetium with the volatile oxides RuO. and TC.O. corresponding to a high degree of oxidation. In addition to selective traps, various methods are available for limiting this volatilization to reduce the radioactive and
作者: 放逐某人    時(shí)間: 2025-3-27 03:40

作者: tenuous    時(shí)間: 2025-3-27 05:26
Conclusions and Opinion of the Scientific Secretariesg temperature or vice-versa. Although sugar and ethanolhave been proposed as alternatives, their respective advantages over formic acid and formaldehyde (lower cost for sugar and better efficiency for ethanol) do not appear, in most cases high enough to counteract their inherent drawbacks (longer re
作者: Cerebrovascular    時(shí)間: 2025-3-27 13:15
Book 1986 by chemical means in the course of solidification of MAW (medium active waste) and HAW (highly active waste), prior to feeding the calciner or melter. In particular, differences In the volatility of some components and aerosol formation during the vitrification step are of interest. Chemical rather
作者: 都相信我的話    時(shí)間: 2025-3-27 15:56
Industrial Application of Denitration of HLLW by Means of HCHOThe industrial experience has been gained for nearly 30 years in three reprocessing plants. The safety of the chemical process reaches very high standard thanks to the appropriated operating mode and efficient process control. Only very few incidents have been recorded. No alternative to this process is envisaged today.
作者: chisel    時(shí)間: 2025-3-27 21:34
Bistatic Synthetic Aperture Radarto consideration the following operational parameters: the catalyst bed temperature; the gas residence time; the vapour concentration; the NOx concentration; the gas velocity; the catalyst grain size distribution; the catalyst time-life. The best operational conditions have been selected for obtaining abatement yields of the order of 99.5%.
作者: Evocative    時(shí)間: 2025-3-28 00:07

作者: insidious    時(shí)間: 2025-3-28 06:00
Abatement of the NOx Evolved during Denitration of Reprocessing Concentrateto consideration the following operational parameters: the catalyst bed temperature; the gas residence time; the vapour concentration; the NOx concentration; the gas velocity; the catalyst grain size distribution; the catalyst time-life. The best operational conditions have been selected for obtaining abatement yields of the order of 99.5%.
作者: 圓錐體    時(shí)間: 2025-3-28 06:28
Conclusions and Opinion of the Scientific Secretaries high level waste during vitrification (in the rotary kiln according to the AVM process) which enables a significant reduction of Ru and Tc volatilities. However, for all the other applications, so far, formic acid and formaldehyde remain the most suitable reagents for denitrating adioactive liquid waste.
作者: BUDGE    時(shí)間: 2025-3-28 11:18

作者: 有惡意    時(shí)間: 2025-3-28 17:05
Okan Top?u,Umut Durak,Levent Yilmaz acid because of false operation conditions, the formation and reaction of an organic phase, and the catalytic effect of traces of rare earths or noble metals. Quantitative results were exemplified. The analysis is based on the reaction models of Holze et al. [3] and [4].
作者: 偏狂癥    時(shí)間: 2025-3-28 22:00

作者: contradict    時(shí)間: 2025-3-29 00:07
Implementation, Integration, and Testingeact with NO. and HNOp producing methylnitrite. The concentration of methylnitrite in the off gas during the first periode of denitration following the above mentioned procedure might reach ignition range..Experiments at ambiant temperature supplied the investigations of the reaction mechanism during the induction periode.
作者: 消極詞匯    時(shí)間: 2025-3-29 05:10
Nadjim Horri Ph.D.,Phil Palmer Ph.D. On the whole, the results of denitration experiments carried out on real waste at the technical scale agreed quite well with those previously achieved on simulates in demonstrating that plutonium can be quantitatively removed from denitration precipitate under certain operating conditions.
作者: 自負(fù)的人    時(shí)間: 2025-3-29 09:50
Economical Aspects of Denitration in the Management of Reprocessing Concentratee shielded drums (400 1) per year. It provides flexibility in the processing of MAW by not being limited to the maximum salt concentration rather to the activity limits. For MAWC the HCOOH-process is used.
作者: irradicable    時(shí)間: 2025-3-29 14:44
Denitration of reprocessing concentrates by means of HCHOeact with NO. and HNOp producing methylnitrite. The concentration of methylnitrite in the off gas during the first periode of denitration following the above mentioned procedure might reach ignition range..Experiments at ambiant temperature supplied the investigations of the reaction mechanism during the induction periode.
作者: creditor    時(shí)間: 2025-3-29 17:54
Denitration of HLLW for Actinide Partitioning On the whole, the results of denitration experiments carried out on real waste at the technical scale agreed quite well with those previously achieved on simulates in demonstrating that plutonium can be quantitatively removed from denitration precipitate under certain operating conditions.
作者: 安定    時(shí)間: 2025-3-29 20:39
Safety Aspects about Denitration acid because of false operation conditions, the formation and reaction of an organic phase, and the catalytic effect of traces of rare earths or noble metals. Quantitative results were exemplified. The analysis is based on the reaction models of Holze et al. [3] and [4].
作者: NIL    時(shí)間: 2025-3-30 01:09

作者: outer-ear    時(shí)間: 2025-3-30 05:50

作者: 沙發(fā)    時(shí)間: 2025-3-30 11:46
Chemical Reactions Involved in the Denitration Process with HCOOH and HCHO reacting mixture are also presented and discussed. These phenomena were showed to occur in presence of rather high amounts of noble metals (those existing in HLLW) and iron. At last, based on the various experimental data observed, a tentative reaction mechanism is proposed involving a reaction bet
作者: 真實(shí)的人    時(shí)間: 2025-3-30 13:59
Alternative Organic Reductants for Denitrationction rate depends on the concentration of nitric acid and nitrate salts. The molar ratio of alcohol to nitric acid is between 0.5 and 1. The off gas contains mainly of CO. and N.O. A selective precipitation of transuranium elements during denitration is possible by use of diethyl oxalate. In acid m
作者: Nmda-Receptor    時(shí)間: 2025-3-30 16:55

作者: 壁畫    時(shí)間: 2025-3-30 23:40
Application of Denitration/Oxalate Precipitation in the Petra Hot-Cell Facility. Off-gas and pressure measurements reliably detect the commencement and continuation of the process while electrical conductivity indicates the prevailing nitric acid concentration. After HAW addition, a reflux period of several hours is necessary to attain sufficiently low nitric/formic acid conce
作者: 我正派    時(shí)間: 2025-3-31 03:26
Reduction of Ru and Tc Volatility during Vitrification of HLLW by Denitrationm experimental conditions capable of reducing the total ruthenium and technetium volatility in industrial high level waste vitrification facilities to 1.5% and 8%, respectively, of the feed solution activity.
作者: 運(yùn)氣    時(shí)間: 2025-3-31 06:08





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