Study on chlorination of molybdenum trioxide mixed with carbon black

Estudio de la composición de una fase gaseosa por FTIR. Cloración de MoO3 en presencia de carbón de fructosa

“…Ojeda y sus colaboradores [2] estudiaron la cloración del MoO 3 en presencia de carbón black y propusieron la formación de MoO 2 Cl 2 y CO 2 como productos de la reacción, y la formación del intermediario Cl* entre el cloro y el carbón. Djona et.…”

Infrared study of the carbochlorination of MoO3 with gaseous chlorine below 703 K

“…MoO 3 chlorination with carbon, not only raises the reaction rate but also decrease the activation energy [11]. Several researchers investigated the chlorination and carbochlorination reaction of molybdenum oxide with the aim of developing efficient recovery processes that enhance metal extraction from alternative sources such as industrial waste and low-grade ores [11][12][13]. An amorphous carbon, such as sucrose carbon, consisting of small polycyclic aromatic carbon sheets with a high density of active sites is a promising solid for metal recovery process, synthesis and catalysis.…”

“…Chlorination and carbochlorination studies available in the literature were conducted using gravimetric and thermogravimetric techniques to obtain kinetic parameters, and possible reaction mechanisms. These studies were focused on the overall reaction through analysis of the condensed reaction products, thermodynamic calculations and mass change generated during the reaction [13][14][15][16]. The composition of gaseous phase in a carbochlorination process is complex; CO, CO 2 , and COCl 2 gases can be formed as well as metal chlorides and/or oxychlorides [17][18][19].…”

“…The MoO 3 carbochlorination using black carbon was studied by Ojeda et al [13]. In their study formation of MoO 2 Cl 2 and CO 2 as reaction products was assumed, and a reaction intermediate formed by the interaction between chlorine and carbon was proposed.…”

Reaction kinetics of direct hydrogen reduction of molybdenum disulfide in the presence of lime: A single pellet experimental investigation

“…These factors have motivated several researchers to consider new and alternative processes to produce Mo metal from molybdenite concentrate. Among the proposed methods, leaching [2][3][4], electro-oxidation [5][6][7][8][9][10], bioleaching [11][12][13], and chlorination [14,15], appear to be potential routes for treating molybdenite concentrates. However, another concept for extraction of metals from their sulfides is their direct reduction in the presence of a suitable metal oxide with desulfurizing capability [16][17][18][19][20][21][22][23].…”