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1.
ASSESSMENT OF THE EFFECT OF LITHIUM CHLORIDE ON THE PROPERTIES OF BOROPHOSPHATE GLASS DURING THE IMMOBILIZATION OF RADIOACTIVE WASTE FROM PYROCHEMICAL PROCESSING OF SPENT NUCLEAR ...
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(Not-set)
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The paper presents the results of the studies of a matrix based on borophosphate glass (BFS) with the addition of lithium chloride as a simulator of spent electrolyte, a type of radioactive waste formed ...
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2.
Influence of synthesis atmosphere on formation of pyrochlore matrices for HLWaste immobilisation
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(Environmental protection)
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Research has been carried out on the synthesis of ceramic matrices based on zirconium-enriched pyrochlore for the immobilization of high-level waste (HLW) by the method of self-propagating high-temperature ...
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3.
Basalt-based glass materials for immobilization of medium-active waste
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(Environmental protection)
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At temperatures of 1200 - 1400 ° C, samples were synthesized from liquid radioactive waste (LRW) and basalt with a mass content of LRW oxides up to 30%. The obtained glass materials, along with the glass ...
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4.
INFLUENCE OF THE RARE-EARTH FLUORIDES ADDITIVE ON THE STRUCTURE AND PROPERTIES OF THE BOROPHOSPHATE GLASSES
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(Not-set)
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In this work, we investigated borophosphate glasses with additions of 0.5 to 1.5 mol. % of rare-earth fluorides LnF3 (Ln = La, Ce, Nd), considered as simulants of radioactive waste from the now developing ...
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5.
ALUMINOBOROSILICATE GLASS FOR VITRIFICATION OF PERLITE-CONTAINING MATERIALS
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(Not-set)
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The aluminoborosilicate glass of basic composition was tested for the perlite-containing materials syntheses. The influence of the proportion of perlite filter powder in the initial mixture on the composition, ...
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6.
ASSESSMENT OF THE EFFECT OF THE FLINAK SALT ADDITIVE ON THE PROPERTIES OF BOROPHOSPHATE GLASSES
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(Not-set)
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... mol. % NaF–42 mol. % KF, as one of the types of radioactive waste from the developed molten salt nuclear reactors. The obtained glasses demonstrate a high percentage of FLiNaK inclusion, reaching 20…25 ...
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7.
BENTONITE AS THE BASIS OF A GEOPOLYMER BINDER
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(Not-set)
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The physicochemical characteristics of the commercial bentonite S-4205-02 (Bentovin), as well as its structural parameters, are given. Clay agglomerates were mainly up to 10…20 ?m in size. X-ray spectral ...
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8.
STRUCTURAL FEATURES AND PROPERTIES OF SODIUM-RUBIDIUM ALUMINOBOROSILICATE GLASSES WITH THE ZIRCONIUM ADDITION
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(Not-set)
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The structure of matrix materials synthesized quenching sodium-rubidium aluminoborosilicate melts with the zirconium addition was studied using vibrational spectroscopy. The significant influence of zirconium ...
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9.
Electrospinning Formation of Zirconia Fibers
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(Not-set)
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The possibility of obtaining ceramic fibers of zirconium oxide by electrospinning is considered. The factors influencing the fiber diameter and the presence of tape inclusions have been established. It ...
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10.
Use of improved glassy phosphate composition for water treatment
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(At the enterprises and institutes)
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The results of experiments on studying the properties of a glassy phosphate composition, modernized with copper-containing additives, are presented. The composition is designed to protect the surfaces ...
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11.
Phase composition, structure and hydrolysis resistance of sodium-alumo(ferro)phosphate glasses doped with rare-earth metals oxides
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(Science for glass production)
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The phase composition, structure and distribution of elements and hydrolytic stability of quenched and annealed sodium aluminum phosphate (NAF) and sodium aluminum iron phosphate (NAIP) glass materials ...
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12.
The influence of calcium, barium and strontium on thermal proper-ties of borosilicate glasses
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(Science for glass production)
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Differential scanning calorimetry was used to study the effect of calcium, barium and strontium oxides on the thermal properties of sodium borosilicate glasses. The thermal study data are compared with ...
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13.
Thermal study of rubidia and cesia borosilicate glasses
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(Science for glass production)
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The thermal properties of a series of synthesized rubidium and cesium borosilicate glasses have been studied by differential scanning calorimetry. The values ??of the glass transition and crystallization ...
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14.
Composite silver-containing iodine sorptive media based on high porous cellular ceramics
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(Environmental protection)
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... The thermal stability of some silver compounds has been studied. An assessment is made of the sorption capacity of the obtained composite sorbents containing various silver compounds in relation to radioactive ...
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15.
Titanium in the structure of alkali borosilicate glasses
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(Science for glass production)
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Using vibrational spectroscopy methods, a different effect of the addition of titanium on the structure of glasses of the K 2 O? B 2 O 3 ? SiO 2 , differing in the ratio of boron and alkali metal ...
