Chemistry & Chemical Technology. – 2011. – Vol. 5, No. 1

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The scientific-technical journal

It is the scientific-technical journal in English in Ukraine discussing actual problems of chemistry and chemical technology. Compared with other chemical journals Ch&ChT is publishing materials of both theoretical and practical values in such fields as analytical, general organic, physical and inorganic chemistry; chemistry of high molecular compounds; materials science and engineering; chemical kinetics and catalysis; technology of inorganic substances; technology of organic synthesis products; chemical technology of processing of combustible minerals; processes and apparatus of chemical and food productions; biotechnology and ecology.

Chemistry & Chemical Technology : [the scientific-technical journal] / Lviv Polytechnic National University ; editor-in-chief M. Bratychak. – Lviv : Publishing House of Lviv Polytechnic National University, 2011. – Volume 5, number 1. – 122, IV p. : ill.

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Author: search.filters.author.Bratychak, MichaelSubject: search.filters.subject.brown coal

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    Kinetic regularities of high-sulphuric brown coal oxidative desulphurization
    (Publishing House of Lviv Polytechnic National University, 2011) Pysh’yev, Serhiy; Gunka, Volodymyr; Bratychak, Michael; Grytsenko, Yurij
    The process of high-sulphuric brown coal oxidative desulphurization has been studied. The effect of grain size and oxidant linear rate on the process parameters has been determined. During the process the main part of pyritic sulphur is converted into hydrogen sulphide resulting in forming the gases with H2S high content which may be utilized or processed by the known methods. Вивчено процес оксидаційного знесірчування високосірчистого бурого вугілля. Встановлено вплив крупності зерна і лінійної швидкості руху оксиданту на процес. Показано, що основна кількість піритної сірки в ході процесу перетворюється у сірководень, внаслідок чого отримуються гази з порівняно високим вмістом H2S, які можна утилізувати або переробляти відомими методами.