THERMODYNAMIC FUNCTIONS OF THE REDUCTION REACTIONS OF TITANOMAGNETITE CONCENTRATE OF ADZHINAUR SANDSTONES BY NATURAL GAS
Journal Title: Azerbaijan Chemical Journal - Year 2016, Vol 0, Issue 4
Abstract
The temperature dependences of Gibbs free energy have been calculated for reduction reactions of pellets fluxed with Na2CO3 of titanomagnetite concentrate of Adzhinaur sandstones by natural gas, to determine the optimal temperature range for producing the iron powder through magnetite and wustite Fe3O4 + CH4 = 3FeO + CO + 2H2 , FeO + CH4 = Fe + CO + 2H2 , Fe3O4 + CH4 = 3Fe + CO2 + 2H2O . It was revealed that the equilibria of the final total reaction shifts to the right side, starting with the 1010 K ( <0).
Authors and Affiliations
A. N. Mammadov, A. M. Gasimova
THERMODYNAMIC PARAMETERS OF PROCESSING COBALT-CONTCAINING ORES AND OF IVESTIGATION OF CONDITIONS OF SEPARATION COBALT FROM SOLUTION
Kinetics of separation of Co by dissolution of cobalt ores was studied. Using of methods chemical analysis decomposition of cobalt, iron, calcium, manganese and magnesium oxides to simple chlorides with thermal consequen...
PHASE EQUILIBRIA IN THE PbLa2S4–PbBi2S4 SYSTEM
There have been studied phase equilibria and constructed T–x projection of PbLa2S4–PbBi2S4 system state diagram. Creation of quater sulfide PbLaBiS4 melting congruently at 1025 K has been establihed. Compound PbLaBiS4 ha...
MULTI-3D MODELING OF THE LIQUIDUS AND IMMISCIBILITY SURFACES IN THE Cu–Pb–Te SYSTEM
Based on thermodynamic calculations and analysis of experimental literature data the fields of the primary crystallization of the phases, the types and coordinates of non- and monovariant equilibria in the Cu–Pb–Te syste...
NONSTOICHIOMETRY IN PbCuSbS3 COMPOUND
The CuSbS2–PbS system has been studied in the interval 0–100 mol.% PbS composition and its diagram state has been ploted. The formation of the quartenary compound PbCuSbS3 congruently melting at 1125±5 K has been pr...
SYNTHESIS AND ELECTROPHYSICAL PROPERTIES OF SOLID SOLUTIONS (SnTe)1-x (Ag2Te)x (x = 0.01, 0.02, 0.05)
By the methods of physicochemical analysis (DTA, RFA, MSA, as well as measurement of microhardness and density) was investigated the nature of the chemical interaction in the system (SnTe)1-x(Ag2Te)x (x=0.01, 0.02, 0.05)...