Mass exchange during simultaneous grinding and dissolution

Journal Article · Sun Mar 20 00:00:00 EST 1988 · J. Appl. Chem. USSR (Engl. Transl.); (United States)

OSTI ID:6339655

Aksel'rud, G A; Semenishin, E M; Kopyt, S Ya; Trotskii, V I

Extraction of ore components of interest has a number of disadvantages, one of which being low efficiency. Combining the grinding and dissolution steps in one apparatus makes the process more efficient. Adoption of this technology, however, requires theoretical and mathematical studies. This paper reports the kinetics of simultaneous grinding and dissolution of copper-containing minerals. Simultaneous grinding and dissolution accelerated several fold the mass transfer of components of interest in the interaction of malachite and azurite with sulfuric acid solutions. The complete dissolution time was determined by adding the experimental rates of dissolution and abrasion.

• OSTI ID: 6339655
• Journal Information: J. Appl. Chem. USSR (Engl. Transl.); (United States), Vol. 60:10; Other Information: Translated from Zh. Prikl. Khim.; 60: No. 10, 2257-2261(Oct 1987)
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
COPPER COMPOUNDS
MASS TRANSFER
COPPER ORES
COMMINUTION
MINERALS
DISSOLUTION
ORE PROCESSING
ENERGY EFFICIENCY
CHEMICAL REACTION KINETICS
INCLUSIONS
KINETIC EQUATIONS
MATHEMATICAL MODELS
PARTICLE SIZE
PULVERIZERS
SOLUBILITY
SOLVENT EXTRACTION
SULFURIC ACID
EFFICIENCY
EQUATIONS
EXTRACTION
HYDROGEN COMPOUNDS
INORGANIC ACIDS
KINETICS
ORES
PROCESSING
REACTION KINETICS
SEPARATION PROCESSES
SIZE
TRANSITION ELEMENT COMPOUNDS
320303* - Energy Conservation
Consumption
& Utilization- Industrial & Agricultural Processes- Equipment & Processes
400201 - Chemical & Physicochemical Properties