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Поисковый запрос: (<.>A=Linnikov, O. D.$<.>)
Общее количество найденных документов : 7
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1.
Инвентарный номер: нет.
   
   L 77


    Linnikov, O. D.
    Spontaneous crystallization of potassium chloride from aqueous and aqueous-ethanol solutions; part 3: model of the crystallization process [Текст] / O. D. Linnikov // Crystal Research and Technology. - 2006. - Vol. 41, № 10. - С. 988-996. - Библиогр. : с. 996 (19 назв.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ХЛОРИД КАЛИЯ -- КРИСТАЛЛИЗАЦИЯ
Аннотация: A model of spontaneous crystallization process was proposed. The model describes kinetics of the crystallization process after the end of the induction period. To test the model the published earlier data on crystallization and aggregation kinetics of potassium chloride at its spontaneous crystallization from supersaturated aqueous and aqueous-ethanol solutions were used. It was found excellent coincidence of the experimental and theoretical data on concentration of the salt and the total number of crystals in solution at crystallization. Somewhat change for the worse was at the theoretical calculations of crystal size distribution at the end of the crystallization process. It indicated that the ways of calculation of size of crystals and their weight fraction in deposit were very approximate. The model allows predicting with satisfactory accuracy kinetics of crystallization using such general parameters of potassium chloride as the specific surface energy and the height of the nucleus-bridges between crystals at coalescence. It needs further test of the model for other salts

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2.
Инвентарный номер: нет.
   
   P 93


   
    Production of gross tricalcium aluminate hexahydrate crystals [Текст] / O. D. Linnikov, V. A. Nikulin, V. L. Podbereznyi, M. A. Perestoronina, V. S. Chernoskutov // Tsvetnye Metally . - 2006. - № 2. - С. 49-51. - Библиогр. : с. 50 (20 назв.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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3.
Инвентарный номер: нет.
   
   L 77


    Linnikov, O. D.
    Spontaneous crystallization of sodium chloride from aqueous-ethanol solutions. Part 1. Kinetics and mechanism of the crystallization process [Текст] / O. D. Linnikov // Crystal Research and Technology. - 2006. - Vol. 41, № 1. - С. 10-17. - Библиогр. : с. 17 (12 назв.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ХЛОРИД НАТРИЯ -- КРИСТАЛЛИЗАЦИЯ
Аннотация: The kinetics of spontaneous crystallization of sodium chloride from aqueous-ethanol solutions were studied. During the crystallization the electrical conductance and optical transmission of the supersaturated solutions were measured automatically. For monitoring of the total surface of growing potassium chloride crystals at the crystallization the turbidimetric method was used. The growth rate and activation energy were determined. The crystal growth rate was proportional to supersaturation. When the volume fraction of ethanol in solution increased from 14.85 to 29.72%, the activation energy of the growth process did not change and was about 50 kJ⋅mol-1. Aggregation of the crystals was found. The aggregation kinetics of the crystals may be described approximately by the famous Smoluchowski equation for coagulation of colloidal particles

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4.
Инвентарный номер: нет.
   
   L 77


    Linnikov, O. D.
    Kinetics of Bulk Crystallization of Salts from Aqueous Solutions of Ethanol / O. D. Linnikov // Russian Journal of Applied Chemistry. - 2001. - Vol. 74, № 7. - P1106-1111 : il. - Bibliogr. : p. 1111 (16 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ЭТАНОЛ -- ВОДНЫЕ РАСТВОРЫ -- КИНЕТИКА КРИСТАЛЛИЗАЦИИ
Аннотация: The kinetics of crystallization of a number of salts from aqueous solutions of ethanol was studied under isothermal conditions on a setup enabling simultaneous automated recording of the electrical conductivity, optical transmission, and light scattering (at an angle of 90o to the incident light beam) of a supersaturated solution in salt crystallization. The rate coefficients of crystal growth were determined

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5.
Инвентарный номер: нет.
   
   L 77


    Linnikov, O. D.
    Effect of Seed on Supersaturation and Scale Growth in Flow-through Crystallizers and Evaporating Apparatus / O. D. Linnikov // Russian Journal of Applied Chemistry. - 2003. - Vol. 76, № 10. - P1568-1571 : il. - Bibliogr. : p. 1571 (6 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
КРИСТАЛЛИЗАТОРЫ -- ВЫПАРИВАНИЕ
Аннотация: The problem of choosing the most effective concentration of seed crystals for controlling the supersaturation and scale growth rate in flow-through crystallizers and evaporating apparatus is considered theoretically. Equations describing these processes are derived and compared with published experimental data

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6.
Инвентарный номер: нет.
   
   L 77


    Linnikov, O. D.
    Spontaneous crystallization of sodium chloride from aqueousethanol solutions. Part 2: Mechanism of aggregation and coalescence of crystals / O. D. Linnikov // Crystal Research and Technology. - 2006. - Vol. 41, № 2. - P138-144 : il. - Bibliogr. : p. 143-144 (20 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ХЛОРИД КАЛИЯ -- КОАЛЕСЦЕНЦИЯ -- КРИСТАЛЛИЗАЦИЯ
Аннотация: Published data on aggregation kinetics of sodium chloride crystals at its spontaneous crystallization from supersaturated aqueous-ethanol solutions were analysed. It was found that the crystals coalesced through contact nucleus-bridges between them according to the mechanism proposed by Polak. The kinetics of aggregation were described by the Smoluchowski equation for coagulation of colloidal particles. The kinetic coefficient of aggregation process depended on supersaturation, temperature of solution and other characteristics of the system. The specific surface energy of sodium chloride 0.95 mJ/m2 was found

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7.
Инвентарный номер: нет.
   
   L 77


    Linnikov, O. D.
    Spontaneous crystallization of sodium chloride from aqueousethanol solutions; Part 3: Examination of a model of the crystallization process / O. D. Linnikov // Crystal Research and Technology. - 2007. - Vol. 42, № 8. - P758-765 : il. - )Bibliogr. : p. 765 (13 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ХЛОРИД НАТРИЯ -- КРИСТАЛЛИЗАЦИЯ -- МОДЕЛИРОВАНИЕ
Аннотация: In the present work the examination of the proposed earlier model of spontaneous crystallization process was done. The model describes kinetics of the crystallization process after the end of the induction period. To test the model the published data on crystallization and aggregation kinetics of sodium chloride at its spontaneous crystallization from supersaturated aqueous-ethanol solutions were used. It was found an excellent coincidence of the experimental and theoretical data on concentration of the salt and the total number of crystals in solution at crystallization. The model allows predicting with satisfactory accuracy kinetics of crystallization using such general parameters of sodium chloride as the specific surface energy and the height of the nucleus-bridges between crystals at coalescence

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