Zobrazeno 1 - 10
of 25
pro vyhledávání: '"I. V. Surovtseva"'
Autor:
I. V. Surovtseva
Publikováno v:
Russian Journal of General Chemistry. 91:2737-2742
Publikováno v:
Coke and Chemistry. 61:153-164
The influence of oxidation of long-flame coal pieces (at 100–250°C for 5–40 h) on the yield and composition of the pyrolytic products, the emission dynamics of volatiles, and the properties and porous structure of the semicoke is studied.
Publikováno v:
Coke and Chemistry. 60:333-342
Coal may be regarded as an organic–mineral complex formed by the accumulation of sediments and their metamorphic transformation to sedimentary rock. On that basis, Kuznetsk Basin coal may be analyzed in terms of the corresponding genetic characteri
Publikováno v:
Coke and Chemistry. 60:47-54
The composition and properties of Kemorovo lignite are studied. Lignite is characterized by high moisture content and yield of volatiles, high chemical activity, and a high content of micro- and mesopores. The moisture absorption and moisture loss of
Publikováno v:
Coke and Chemistry. 60:7-16
Samples of Mongolian coal from the Khuden field are studied (specifically, technical and elementary analysis, heat of combustion, mineral characteristics, petrographic composition, clinkering properties, degree of oxidation, mechanical strength, and
Publikováno v:
Coke and Chemistry. 56:337-342
The influence of heat treatment (up to 1700°C) of coke and semicoke on their porous structure and properties is investigated. The micro- and macroporous structure of the reducing agents is studied by sorptional analysis and mercury porometry. High t
Publikováno v:
Coke and Chemistry. 56:319-325
The characteristics of lignite and long-flame coal from Kazakhstan are studied: its overall composition, the composition of its organic and mineral components, its petrographic composition, and its physicochemical properties (density, porosity, react
Publikováno v:
Coke and Chemistry. 56:343-348
The production of strong briquets from coke fines and coal is described. The following briquetting conditions are recommended: 1: 1 mixture of coke fines and coal; crushing of components to 1 mm or less; 8% binder; roasting of briquets at 600–900°
Publikováno v:
Coke and Chemistry. 56:235-241
Four macropetrographic types of long-flame coal are studied. Their thermal decomposition and the porous structure of the resulting semicoke are discussed.
Publikováno v:
Coke and Chemistry. 56:173-177
The change in pore structure of carbon reducing agents on reaction with silicon dioxide (on siliciding) at 1600–1700°C is studied. There is a sharp change in the fine pore structure of the silicided reducing agents. The reaction product of carbon