22 research outputs found
ΠΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ ΡΠ½ΠΈΠ²Π΅ΡΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΡΠ»ΡΡΡΠ°Π·Π²ΡΠΊΠΎΠ²ΠΎΠ³ΠΎ ΡΠ΅Π°ΠΊΡΠΎΡΠ° Π΄Π»Ρ ΠΏΠ΅ΡΠ΅ΡΠ°Π±ΠΎΡΠΊΠΈ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΎΠ² ΡΡΠ΄ ΡΠ΅Π΄ΠΊΠΎΠ·Π΅ΠΌΠ΅Π»ΡΠ½ΡΡ ΠΌΠ΅ΡΠ°Π»Π»ΠΎΠ²
In recent years, heavy industry has rapidly increased interest in rare earth metals (REE). At the same time, new tasks on completeness of extraction and quality (purity) of REE are set. Providing new requirements for the quality of rare-earth metals can be achieved by two modern methods of ore processing. The first method is traditional leaching, but with the use of modern ultrasonic reactors of a through passage type of domestic production. The second method is leaching with the use of expensive imported impregnated sorbents that require special disposal after the deposition process of the desired fraction of material. The disadvantage of ultrasonic devices for processing of rare-earth metals is that the assigned parameters of the working chamber (length and diameter) are calculated for a specific type of ore being processed. Therefore, ultrasonic reactors operating in the metallurgical industry cannot be used to process all types of REE ores. The aim of the work is to study the efficiency of processing concentrates of ores containing rare earth elements by leaching using a universal ultrasonic reactor suitable for processing various concentrates containing rare earth elements. In this work, alkaline ore processing is carried out in an ultrasonic reactor of a special design, which allows regulation of the dimensions of the reactor working space this makes it possible to configure the reactor for highly efficient ore processing at different initial concentrations of valuable components. As shown by the results of the experiments, the extraction of rareearth metals and other valuable components of the ore in the ultrasonic reactor of this design is not less than 98.3%.Π ΠΏΠΎΡΠ»Π΅Π΄Π½ΠΈΠ΅ Π³ΠΎΠ΄Ρ Π² ΡΡΠΆΠ΅Π»ΠΎΠΉ ΠΏΡΠΎΠΌΡΡΠ»Π΅Π½Π½ΠΎΡΡΠΈ ΡΡΡΠ΅ΠΌΠΈΡΠ΅Π»ΡΠ½ΠΎ Π²ΠΎΠ·ΡΠΎΡ ΠΈΠ½ΡΠ΅ΡΠ΅Ρ ΠΊ ΡΠ΅Π΄ΠΊΠΎΠ·Π΅ΠΌΠ΅Π»ΡΠ½ΡΠΌ ΠΌΠ΅ΡΠ°Π»Π»Π°ΠΌ (Π ΠΠ). ΠΠ΄Π½ΠΎΠ²ΡΠ΅ΠΌΠ΅Π½Π½ΠΎ ΠΏΠΎΡΡΠ°Π²Π»Π΅Π½Ρ Π½ΠΎΠ²ΡΠ΅ Π·Π°Π΄Π°ΡΠΈ ΠΏΠΎ ΠΏΠΎΠ»Π½ΠΎΡΠ΅ ΠΈΠ·Π²Π»Π΅ΡΠ΅Π½ΠΈΡ ΠΈ ΠΊΠ°ΡΠ΅ΡΡΠ²Ρ (ΡΠΈΡΡΠΎΡΠ΅) ΡΠ°ΠΌΠΈΡ
Π ΠΠ. ΠΠ±Π΅ΡΠΏΠ΅ΡΠ΅Π½ΠΈΠ΅ Π½ΠΎΠ²ΡΡ
ΡΡΠ΅Π±ΠΎΠ²Π°Π½ΠΈΠΉ ΠΊ ΠΊΠ°ΡΠ΅ΡΡΠ²Ρ Π ΠΠ ΠΌΠΎΠΆΠ΅Ρ Π±ΡΡΡ Π΄ΠΎΡΡΠΈΠ³Π½ΡΡΠΎ Π΄Π²ΡΠΌΡ ΡΠΎΠ²ΡΠ΅ΠΌΠ΅Π½Π½ΡΠΌΠΈ ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌΠΈ ΠΏΠ΅ΡΠ΅ΡΠ°Π±ΠΎΡΠΊΠΈ ΡΡΠ΄Ρ. ΠΠ΅ΡΠ²ΡΠΉ ΡΠΏΠΎΡΠΎΠ± - ΡΡΠ°Π΄ΠΈΡΠΈΠΎΠ½Π½ΠΎΠ΅ Π²ΡΡΠ΅Π»Π°ΡΠΈΠ²Π°Π½ΠΈΠ΅, Π½ΠΎ Ρ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ΠΌ ΡΠΎΠ²ΡΠ΅ΠΌΠ΅Π½Π½ΡΡ
ΡΠ»ΡΡΡΠ°Π·Π²ΡΠΊΠΎΠ²ΡΡ
ΡΠ΅Π°ΠΊΡΠΎΡΠΎΠ² ΠΏΡΠΎΡ
ΠΎΠ΄Π½ΠΎΠ³ΠΎ ΡΠΈΠΏΠ° ΠΎΡΠ΅ΡΠ΅ΡΡΠ²Π΅Π½Π½ΠΎΠ³ΠΎ ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΡΡΠ²Π°. ΠΡΠΎΡΠΎΠΉ ΡΠΏΠΎΡΠΎΠ± - Π²ΡΡΠ΅Π»Π°ΡΠΈΠ²Π°Π½ΠΈΠ΅ Ρ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ΠΌ Π΄ΠΎΡΠΎΠ³ΠΈΡ
ΠΈΠΌΠΏΠΎΡΡΠ½ΡΡ
ΠΈΠΌΠΏΡΠ΅Π³Π½ΠΈΡΠΎΠ²Π°Π½Π½ΡΡ
ΡΠΎΡΠ±Π΅Π½ΡΠΎΠ², ΡΡΠ΅Π±ΡΡΡΠΈΡ
ΡΠΏΠ΅ΡΠΈΠ°Π»ΡΠ½ΠΎΠΉ ΡΡΠΈΠ»ΠΈΠ·Π°ΡΠΈΠΈ ΠΏΠΎΡΠ»Π΅ ΠΏΡΠΎΠ²Π΅Π΄Π΅Π½ΠΈΡ ΠΏΡΠΎΡΠ΅ΡΡΠ° ΠΎΡΠ°ΠΆΠ΄Π΅Π½ΠΈΡ Π½ΡΠΆΠ½ΠΎΠΉ ΡΡΠ°ΠΊΡΠΈΠΈ ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»Π°. ΠΠ΅Π΄ΠΎΡΡΠ°ΡΠΊΠΎΠΌ ΡΠ»ΡΡΡΠ°Π·Π²ΡΠΊΠΎΠ²ΡΡ
Π°ΠΏΠΏΠ°ΡΠ°ΡΠΎΠ² Π΄Π»Ρ ΠΎΠ±ΡΠ°Π±ΠΎΡΠΊΠΈ Π ΠΠ ΡΡΠ΄ ΡΠ²Π»ΡΠ΅ΡΡΡ ΡΠΎ, ΡΡΠΎ Π½Π°Π·Π½Π°ΡΠ΅Π½Π½ΡΠ΅ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΡ ΡΠ°Π±ΠΎΡΠ΅ΠΉ ΠΊΠ°ΠΌΠ΅ΡΡ (Π΄Π»ΠΈΠ½Π° ΠΈ Π΄ΠΈΠ°ΠΌΠ΅ΡΡ) ΡΠ°ΡΡΡΠΈΡΡΠ²Π°ΡΡΡΡ Π΄Π»Ρ ΠΊΠΎΠ½ΠΊΡΠ΅ΡΠ½ΠΎΠ³ΠΎ Π²ΠΈΠ΄Π° ΠΎΠ±ΡΠ°Π±Π°ΡΡΠ²Π°Π΅ΠΌΠΎΠΉ ΡΡΠ΄Ρ, ΠΏΠΎΡΡΠΎΠΌΡ Π΄Π΅ΠΉΡΡΠ²ΡΡΡΠΈΠ΅ Π² ΠΌΠ΅ΡΠ°Π»Π»ΡΡΠ³ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΏΡΠΎΠΌΡΡΠ»Π΅Π½Π½ΠΎΡΡΠΈ ΡΠ»ΡΡΡΠ°Π·Π²ΡΠΊΠΎΠ²ΡΠ΅ ΡΠ΅Π°ΠΊΡΠΎΡΡ Π½Π΅Π»ΡΠ·Ρ ΠΏΡΠΈΠΌΠ΅Π½ΡΡΡ Π΄Π»Ρ ΠΎΠ±ΡΠ°Π±ΠΎΡΠΊΠΈ Π²ΡΠ΅Ρ
Π²ΠΈΠ΄ΠΎΠ² ΡΡΠ΄ Π ΠΠ. Π¦Π΅Π»ΡΡ ΡΠ°Π±ΠΎΡΡ ΡΠ²Π»ΡΠ΅ΡΡΡ ΠΈΠ·ΡΡΠ΅Π½ΠΈΠ΅ ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΠΈ ΠΏΠ΅ΡΠ΅ΡΠ°Π±ΠΎΡΠΊΠΈ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΎΠ² ΡΡΠ΄, ΡΠΎΠ΄Π΅ΡΠΆΠ°ΡΠΈΡ
ΡΠ΅Π΄ΠΊΠΎΠ·Π΅ΠΌΠ΅Π»ΡΠ½ΡΠ΅ ΡΠ»Π΅ΠΌΠ΅Π½ΡΡ, ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ Π²ΡΡΠ΅Π»Π°ΡΠΈΠ²Π°Π½ΠΈΡ Ρ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ΠΌ ΡΠ½ΠΈΠ²Π΅ΡΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΡΠ»ΡΡΡΠ°Π·Π²ΡΠΊΠΎΠ²ΠΎΠ³ΠΎ ΡΠ΅Π°ΠΊΡΠΎΡΠ°, ΠΏΡΠΈΠ³ΠΎΠ΄Π½ΠΎΠ³ΠΎ Π΄Π»Ρ ΠΏΠ΅ΡΠ΅ΡΠ°Π±ΠΎΡΠΊΠΈ ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ
ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΎΠ², ΡΠΎΠ΄Π΅ΡΠΆΠ°ΡΠΈΡ
ΡΠ΅Π΄ΠΊΠΎΠ·Π΅ΠΌΠ΅Π»ΡΠ½ΡΠ΅ ΡΠ»Π΅ΠΌΠ΅Π½ΡΡ. Π ΡΠ°Π±ΠΎΡΠ΅ ΡΠ΅Π»ΠΎΡΠ½Π°Ρ ΠΎΠ±ΡΠ°Π±ΠΎΡΠΊΠ° ΡΡΠ΄Ρ ΠΎΡΡΡΠ΅ΡΡΠ²Π»ΡΠ΅ΡΡΡ Π² ΡΠ»ΡΡΡΠ°Π·Π²ΡΠΊΠΎΠ²ΠΎΠΌ ΡΠ΅Π°ΠΊΡΠΎΡΠ΅ ΡΠΏΠ΅ΡΠΈΠ°Π»ΡΠ½ΠΎΠΉ ΠΊΠΎΠ½ΡΡΡΡΠΊΡΠΈΠΈ, Π΄ΠΎΠΏΡΡΠΊΠ°ΡΡΠ΅ΠΉ ΡΠ΅Π³ΡΠ»ΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ ΡΠ°Π·ΠΌΠ΅ΡΠΎΠ² ΡΠ°Π±ΠΎΡΠ΅Π³ΠΎ ΠΏΡΠΎΡΡΡΠ°Π½ΡΡΠ²Π° ΡΠ΅Π°ΠΊΡΠΎΡΠ°. ΠΡΠΎ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΠ΅Ρ ΠΎΡΡΡΠ΅ΡΡΠ²Π»ΡΡΡ Π½Π°ΡΡΡΠΎΠΉΠΊΡ ΡΠ΅Π°ΠΊΡΠΎΡΠ° Π½Π° Π²ΡΡΠΎΠΊΠΎΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΡΡ ΠΎΠ±ΡΠ°Π±ΠΎΡΠΊΡ ΡΡΠ΄Ρ ΠΏΡΠΈ ΡΠ°Π·Π»ΠΈΡΠ½ΠΎΠΉ ΠΈΡΡ
ΠΎΠ΄Π½ΠΎΠΉ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΠΈ ΡΠ΅Π½Π½ΡΡ
ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½ΡΠΎΠ². ΠΠ°ΠΊ ΠΏΠΎΠΊΠ°Π·Π°Π»ΠΈ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΠΏΡΠΎΠ²Π΅Π΄Π΅Π½Π½ΡΡ
ΡΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠΎΠ², ΠΈΠ·Π²Π»Π΅ΡΠ΅Π½ΠΈΠ΅ Π ΠΠ ΠΈ Π΄ΡΡΠ³ΠΈΡ
ΡΠ΅Π½Π½ΡΡ
ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½ΡΠΎΠ² ΡΡΠ΄Ρ Π² ΡΠ»ΡΡΡΠ°Π·Π²ΡΠΊΠΎΠ²ΠΎΠΌ ΡΠ΅Π°ΠΊΡΠΎΡΠ΅ ΡΠ°ΠΊΠΎΠΉ ΠΊΠΎΠ½ΡΡΡΡΠΊΡΠΈΠΈ ΡΠΎΡΡΠ°Π²Π»ΡΠ΅Ρ Π½Π΅ ΠΌΠ΅Π½Π΅Π΅ 98,3 %
ΠΡΡΠΎΠΊΠΎΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ½ΡΠΉ ΠΎΠ±ΠΆΠΈΠ³ ΡΡΠ΄Ρ ΠΌΠ΅ΡΡΠΎΡΠΎΠΆΠ΄Π΅Π½ΠΈΡ Π’ΠΎΠΌΡΠΎΡ ΠΈ Π΅Π³ΠΎ ΠΎΡΠΎΠ±Π΅Π½Π½ΠΎΡΡΠΈ
Research on kinetics of change of phosphorus, niobium, vanadium and titanium content during high-temperature roasting of ore from Tomtor field mixed with active additives: bicarbonate (NaHCO3), sodium carbonate (Na2CO3), alkalis (ΠΠΠ, NaOH) is conducted. An equation of ore roasting kinetics is proposed and values of constant rate of high-temperature ore roasting for phosphorus, niobium, vanadium and the titanium under various conditions are calculated. Relationships of constant rate of high-temperature ore roasting in the atmosphere of air oxygen, argon and molecular chlorine to the temperature of roasting and content of active additives are obtained. It is established that in the atmosphere of air oxygen, ore roasting is most effective with additions of NaHCO3, Na2CO3, NaOH, taken with the ratio (1:1). It is shown that roasting of ore in admixture with carbonates and alkalis can translate into a solution for subsequent leaching at minimum 95.0% of phosphorus and 44.0% of vanadium contained in the original ore. It is established that the greatest rate of roasting in the atmosphere of oxygen is characterized by ore roasting in a mixture of NaHCO3 and NaOH. The constant rates of that process for phosphorus and vanadium are calculated. It is established that filter cake forming after ore roasting requires further processing because it contains high concentrations of vanadium and other valuable metals.ΠΡΠΎΠ²Π΅Π΄Π΅Π½Ρ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΊΠΈΠ½Π΅ΡΠΈΠΊΠΈ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΡ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ ΡΠΎΡΡΠΎΡΠ°, Π½ΠΈΠΎΠ±ΠΈΡ, Π²Π°Π½Π°Π΄ΠΈΡ ΠΈ ΡΠΈΡΠ°Π½Π° ΠΏΡΠΈ Π²ΡΡΠΎΠΊΠΎΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ½ΠΎΠΌ ΠΎΠ±ΠΆΠΈΠ³Π΅ ΡΡΠ΄Ρ ΠΌΠ΅ΡΡΠΎΡΠΎΠΆΠ΄Π΅Π½ΠΈΡ Π’ΠΎΠΌΡΠΎΡ Π² ΡΠΌΠ΅ΡΠΈ Ρ Π°ΠΊΡΠΈΠ²Π½ΡΠΌΠΈ Π΄ΠΎΠ±Π°Π²ΠΊΠ°ΠΌΠΈ: Π±ΠΈΠΊΠ°ΡΠ±ΠΎΠ½Π°ΡΠΎΠΌ (NaHCO3), ΠΊΠ°ΡΠ±ΠΎΠ½Π°ΡΠΎΠΌ Π½Π°ΡΡΠΈΡ (Na2CO3), ΡΠ΅Π»ΠΎΡΠ°ΠΌΠΈ (ΠΠΠ, NaOH). ΠΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½ΠΎ ΡΡΠ°Π²Π½Π΅Π½ΠΈΠ΅ ΠΊΠΈΠ½Π΅ΡΠΈΠΊΠΈ ΠΎΠ±ΠΆΠΈΠ³Π° ΡΡΠ΄Ρ ΠΈ ΡΠ°ΡΡΡΠΈΡΠ°Π½Ρ Π·Π½Π°ΡΠ΅Π½ΠΈΡ ΠΏΠΎΡΡΠΎΡΠ½Π½ΠΎΠΉ ΡΠΊΠΎΡΠΎΡΡΠΈ Π²ΡΡΠΎΠΊΠΎΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ½ΠΎΠ³ΠΎ ΠΎΠ±ΠΆΠΈΠ³Π° ΡΡΠ΄Ρ Π΄Π»Ρ ΡΠΎΡΡΠΎΡΠ°, Π½ΠΈΠΎΠ±ΠΈΡ, Π²Π°Π½Π°Π΄ΠΈΡ ΠΈ ΡΠΈΡΠ°Π½Π° ΠΏΡΠΈ ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ
ΡΡΠ»ΠΎΠ²ΠΈΡΡ
. ΠΠΎΠ»ΡΡΠ΅Π½Ρ Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡΠΈ ΠΏΠΎΡΡΠΎΡΠ½Π½ΠΎΠΉ ΡΠΊΠΎΡΠΎΡΡΠΈ Π²ΡΡΠΎΠΊΠΎΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ½ΠΎΠ³ΠΎ ΠΎΠ±ΠΆΠΈΠ³Π° ΡΡΠ΄Ρ Π² Π°ΡΠΌΠΎΡΡΠ΅ΡΠ΅ ΠΊΠΈΡΠ»ΠΎΡΠΎΠ΄Π° Π²ΠΎΠ·Π΄ΡΡ
Π°, Π°ΡΠ³ΠΎΠ½Π° ΠΈ ΠΌΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½ΠΎΠ³ΠΎ Ρ
Π»ΠΎΡΠ° ΠΎΡ ΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΡ ΠΎΠ±ΠΆΠΈΠ³Π° ΠΈ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ Π°ΠΊΡΠΈΠ²Π½ΡΡ
Π΄ΠΎΠ±Π°Π²ΠΎΠΊ. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ Π² Π°ΡΠΌΠΎΡΡΠ΅ΡΠ΅ ΠΊΠΈΡΠ»ΠΎΡΠΎΠ΄Π° Π²ΠΎΠ·Π΄ΡΡ
Π° ΠΎΠ±ΠΆΠΈΠ³ ΡΡΠ΄Ρ ΠΏΡΠΎΡ
ΠΎΠ΄ΠΈΡ Π½Π°ΠΈΠ±ΠΎΠ»Π΅Π΅ ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎ Ρ Π΄ΠΎΠ±Π°Π²ΠΊΠ°ΠΌΠΈ NaHCO3, Na2CO3, NaOH, Π²Π·ΡΡΡΠΌΠΈ Π² ΡΠΎΠΎΡΠ½ΠΎΡΠ΅Π½ΠΈΠΈ (1:1). ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ ΠΎΠ±ΠΆΠΈΠ³ ΡΡΠ΄Ρ Π² ΡΠΌΠ΅ΡΠΈ Ρ ΠΊΠ°ΡΠ±ΠΎΠ½Π°ΡΠ°ΠΌΠΈ ΠΈ ΡΠ΅Π»ΠΎΡΠ°ΠΌΠΈ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΠ΅Ρ ΠΏΠ΅ΡΠ΅Π²ΠΎΠ΄ΠΈΡΡ Π² ΡΠ°ΡΡΠ²ΠΎΡ ΠΏΡΠΈ ΠΏΠΎΡΠ»Π΅Π΄ΡΡΡΠ΅ΠΌ Π²ΡΡΠ΅Π»Π°ΡΠΈΠ²Π°Π½ΠΈΠΈ Π½Π΅ ΠΌΠ΅Π½Π΅Π΅ 95,0% ΡΠΎΡΡΠΎΡΠ° ΠΈ 44,0% Π²Π°Π½Π°Π΄ΠΈΡ, ΡΠΎΠ΄Π΅ΡΠΆΠ°ΡΠΈΡ
ΡΡ Π² ΠΈΡΡ
ΠΎΠ΄Π½ΠΎΠΉ ΡΡΠ΄Π΅. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ Π½Π°ΠΈΠ±ΠΎΠ»ΡΡΠ΅ΠΉ ΡΠΊΠΎΡΠΎΡΡΡΡ Π² Π°ΡΠΌΠΎΡΡΠ΅ΡΠ΅ ΠΊΠΈΡΠ»ΠΎΡΠΎΠ΄Π° Π²ΠΎΠ·Π΄ΡΡ
Π° Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΠ·ΡΠ΅ΡΡΡ ΠΎΠ±ΠΆΠΈΠ³ ΡΡΠ΄Ρ Π² ΡΠΌΠ΅ΡΠΈ Ρ NaHCO3 ΠΈ NaOH. Π Π°ΡΡΡΠΈΡΠ°Π½Ρ ΠΏΠΎΡΡΠΎΡΠ½Π½ΡΠ΅ ΡΠΊΠΎΡΠΎΡΡΠΈ ΡΡΠΎΠ³ΠΎ ΠΏΡΠΎΡΠ΅ΡΡΠ° Π΄Π»Ρ ΡΠΎΡΡΠΎΡΠ° ΠΈ Π²Π°Π½Π°Π΄ΠΈΡ. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ ΠΎΠ±ΡΠ°Π·ΡΡΡΠΈΠΉΡΡ ΠΏΠΎΡΠ»Π΅ ΠΎΠ±ΠΆΠΈΠ³Π° ΡΡΠ΄Ρ ΠΊΠ΅ΠΊ, ΡΡΠ΅Π±ΡΠ΅Ρ Π΄ΠΎΠΏΠΎΠ»Π½ΠΈΡΠ΅Π»ΡΠ½ΠΎΠΉ ΠΏΠ΅ΡΠ΅ΡΠ°Π±ΠΎΡΠΊΠΈ, ΠΏΠΎΡΠΊΠΎΠ»ΡΠΊΡ ΡΠΎΠ΄Π΅ΡΠΆΠΈΡ Π²ΡΡΠΎΠΊΠΈΠ΅ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΠΈ Π²Π°Π½Π°Π΄ΠΈΡ ΠΈ Π΄ΡΡΠ³ΠΈΡ
ΡΠ΅Π½Π½ΡΡ
ΠΌΠ΅ΡΠ°Π»Π»ΠΎΠ²
ΠΠ‘Π‘ΠΠΠΠΠΠΠΠΠ ΠΠ ΠΠΠ£ΠΠΠΠΠ’Π ΠΠ§ΠΠ‘ΠΠΠΠ Π Π₯ΠΠΠΠΠ-ΠΠΠΠΠ ΠΠΠ¬ΠΠΠΠ Π‘ΠΠ‘Π’ΠΠΠΠ Π Π£ΠΠ« ΠΠΠ‘Π’ΠΠ ΠΠΠΠΠΠΠ― Π’ΠΠΠ’ΠΠ
A study of the particle size distribution, mineral and chemical composition of the complex scandium-rare-earth-niobium Tomtor ore deposit has been conducted. It is shown that the basis of the ore is comprised of phosphates, carbonates and niobates. The main identified minerals are the minerals of crandallite group (gorceixite, goyazite and florencite), pyrochlore and monazite, in addition, clearly identified boehmite, apatite, and quartz. A group of other minerals includes siderite, kaolinite, rutile and some other minerals. It is established that the investigated ore belongs to a mineral variety of the pyrochlore-monazite-crandallite ores of phosphate-rare-metal type with a predominance of crandallite minerals (50%) and relatively low content of pyrochlore (~7%) in its composition. Based on the content of niobium oxide Nb2O5 (~4%) in a sample, the ore can be attributed to the second class according to the accepted classification, i.e. the rich niobium ores, containing from 3,5 to 9% Nb2O5. Tomtor ore deposit is also rich in the mineral content of rare earth elements. On the basis of the conducted research the conclusion about practical impossibility of beneficiation of βTomtorβ ore deposits by traditional methods and economic feasibility of ore processing by the combined pyro - and hydrometallurgy methods is made.ΠΡΠΎΠ²Π΅Π΄Π΅Π½Ρ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π³ΡΠ°Π½ΡΠ»ΠΎΠΌΠ΅ΡΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ, ΠΌΠΈΠ½Π΅ΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΈ Ρ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΡΠΎΡΡΠ°Π²Π° ΡΡΠ΄Ρ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠ½ΠΎΠ³ΠΎ ΡΠΊΠ°Π½Π΄ΠΈΠΉ-ΡΠ΅Π΄ΠΊΠΎΠ·Π΅ΠΌΠ΅Π»ΡΠ½ΠΎ-Π½ΠΈΠΎΠ±ΠΈΠ΅Π²ΠΎΠ³ΠΎ ΠΌΠ΅ΡΡΠΎΡΠΎΠΆΠ΄Π΅Π½ΠΈΡ Π’ΠΎΠΌΡΠΎΡ. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ ΠΎΡΠ½ΠΎΠ²Ρ ΡΡΠ΄Ρ ΡΠΎΡΡΠ°Π²Π»ΡΡΡ ΡΠΎΡΡΠ°ΡΡ, Π½ΠΈΠΎΠ±Π°ΡΡ ΠΈ ΠΊΠ°ΡΠ±ΠΎΠ½Π°ΡΡ. ΠΡΠ½ΠΎΠ²Π½ΡΠΌΠΈ ΠΈΠ΄Π΅Π½ΡΠΈΡΠΈΡΠΈΡΠΎΠ²Π°Π½Π½ΡΠΌΠΈ ΠΌΠΈΠ½Π΅ΡΠ°Π»Π°ΠΌΠΈ ΡΠ²Π»ΡΡΡΡΡ ΠΌΠΈΠ½Π΅ΡΠ°Π»Ρ ΠΊΡΠ°Π½Π΄Π°Π»Π»ΠΈΡΠΎΠ²ΠΎΠΉ Π³ΡΡΠΏΠΏΡ (Π³ΠΎΡΡΠ΅ΠΉΡΠΊΠΈΡ, Π³ΠΎΡΡΠΈΡ ΠΈ ΡΠ»ΠΎΡΠ΅Π½ΡΠΈΡ), ΠΏΠΈΡΠΎΡ
Π»ΠΎΡ ΠΈ ΠΌΠΎΠ½Π°ΡΠΈΡ, ΠΊΡΠΎΠΌΠ΅ ΡΠΎΠ³ΠΎ, ΡΠ΅ΡΠΊΠΎ ΠΈΠ΄Π΅Π½ΡΠΈΡΠΈΡΠΈΡΠΎΠ²Π°Π½Ρ Π±Π΅ΠΌΠΈΡ, Π°ΠΏΠ°ΡΠΈΡ ΠΈ ΠΊΠ²Π°ΡΡ. Π Π³ΡΡΠΏΠΏΡ ΠΏΡΠΎΡΠΈΡ
ΠΌΠΈΠ½Π΅ΡΠ°Π»ΠΎΠ² Π²Ρ
ΠΎΠ΄ΡΡ ΡΠΈΠ΄Π΅ΡΠΈΡ, ΠΊΠ°ΠΎΠ»ΠΈΠ½ΠΈΡ, ΡΡΡΠΈΠ» ΠΈ Π½Π΅ΠΊΠΎΡΠΎΡΡΠ΅ Π΄ΡΡΠ³ΠΈΠ΅ ΠΌΠΈΠ½Π΅ΡΠ°Π»Ρ. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ ΠΈΡΡΠ»Π΅Π΄ΡΠ΅ΠΌΠ°Ρ ΡΡΠ΄Π° ΠΎΡΠ½ΠΎΡΠΈΡΡΡ ΠΊ ΠΌΠΈΠ½Π΅ΡΠ°Π»ΡΠ½ΠΎΠΉ ΡΠ°Π·Π½ΠΎΠ²ΠΈΠ΄Π½ΠΎΡΡΠΈ ΠΏΠΈΡΠΎΡ
Π»ΠΎΡ-ΠΌΠΎΠ½Π°ΡΠΈΡ-ΠΊΡΠ°Π½Π΄Π°Π»Π»ΠΈΡΠΎΠ²ΡΡ
ΡΡΠ΄ ΡΠΎΡΡΠ°ΡΠ½ΠΎ-ΡΠ΅Π΄ΠΊΠΎΠΌΠ΅ΡΠ°Π»Π»ΡΠ½ΠΎΠ³ΠΎ ΡΠΈΠΏΠ° Ρ ΠΏΡΠ΅ΠΎΠ±Π»Π°Π΄Π°Π½ΠΈΠ΅ΠΌ Π² Π΅Π΅ ΡΠΎΡΡΠ°Π²Π΅ ΠΌΠΈΠ½Π΅ΡΠ°Π»ΠΎΠ² Π³ΡΡΠΏΠΏΡ ΠΊΡΠ°Π½Π΄Π°Π»Π»ΠΈΡΠ° (Π±ΠΎΠ»Π΅Π΅ 50%) ΠΈ ΠΎΡΠ½ΠΎΡΠΈΡΠ΅Π»ΡΠ½ΠΎ Π½Π΅Π²ΡΡΠΎΠΊΠΈΠΌ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΠ΅ΠΌ ΠΏΠΈΡΠΎΡ
Π»ΠΎΡΠ° (~7%). ΠΠΎ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ Π² ΠΏΡΠΎΠ±Π΅ ΠΎΠΊΡΠΈΠ΄Π° Π½ΠΈΠΎΠ±ΠΈΡ Nb2O5 (~4%) ΡΡΠ΄Π° ΠΏΠΎ ΠΏΡΠΈΠ½ΡΡΠΎΠΉ ΠΊΠ»Π°ΡΡΠΈΡΠΈΠΊΠ°ΡΠΈΠΈ ΠΌΠΎΠΆΠ΅Ρ Π±ΡΡΡ ΠΎΡΠ½Π΅ΡΠ΅Π½Π° ΠΊΠΎ Π²ΡΠΎΡΠΎΠΌΡ ΡΠΎΡΡΡ, Ρ.Π΅. ΠΊ Π±ΠΎΠ³Π°ΡΡΠΌ Π½ΠΈΠΎΠ±ΠΈΠ΅Π²ΡΠΌ ΡΡΠ΄Π°ΠΌ, ΡΠΎΠ΄Π΅ΡΠΆΠ°ΡΠΈΠΌ ΠΎΡ 3,5 Π΄ΠΎ 9% Nb2O5. Π ΡΠ΄Π° ΠΌΠ΅ΡΡΠΎΡΠΎΠΆΠ΄Π΅Π½ΠΈΡ Π’ΠΎΠΌΡΠΎΡ ΡΠ°ΠΊΠΆΠ΅ Π±ΠΎΠ³Π°ΡΠ° ΠΏΠΎ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ ΠΌΠΈΠ½Π΅ΡΠ°Π»ΠΎΠ² ΡΠ΅Π΄ΠΊΠΎΠ·Π΅ΠΌΠ΅Π»ΡΠ½ΡΡ
ΡΠ»Π΅ΠΌΠ΅Π½ΡΠΎΠ². ΠΠ° ΠΎΡΠ½ΠΎΠ²Π°Π½ΠΈΠΈ ΠΏΡΠΎΠ²Π΅Π΄Π΅Π½Π½ΡΡ
ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΉ ΡΠ΄Π΅Π»Π°Π½ Π²ΡΠ²ΠΎΠ΄ ΠΎ ΠΏΡΠ°ΠΊΡΠΈΡΠ΅ΡΠΊΠΎΠΉ Π½Π΅Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΠΈ ΠΎΠ±ΠΎΠ³Π°ΡΠ΅Π½ΠΈΡ ΡΡΠ΄Ρ ΠΌΠ΅ΡΡΠΎΡΠΎΠΆΠ΄Π΅Π½ΠΈΡ Π’ΠΎΠΌΡΠΎΡ ΡΡΠ°Π΄ΠΈΡΠΈΠΎΠ½Π½ΡΠΌΠΈ ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌΠΈ ΠΈ ΡΠΊΠΎΠ½ΠΎΠΌΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΎΠΏΡΠ°Π²Π΄Π°Π½Π½ΠΎΡΡΠΈ ΠΏΠ΅ΡΠ΅ΡΠ°Π±ΠΎΡΠΊΠΈ ΡΡΠ΄Ρ ΠΊΠΎΠΌΠ±ΠΈΠ½ΠΈΡΠΎΠ²Π°Π½Π½ΡΠΌΠΈ ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌΠΈ ΠΏΠΈΡΠΎΠΈ Π³ΠΈΠ΄ΡΠΎΠΌΠ΅ΡΠ°Π»Π»ΡΡΠ³ΠΈΠΈ
Π‘Π²Π΅ΡΡ Π²ΡΡΠΎΠΊΠΎΠΌΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½ΡΠΉ ΠΏΠΎΠ»ΠΈΡΡΠΈΠ»Π΅Π½ (Π‘ΠΠΠΠ) ΠΊΠ°ΠΊ ΠΎΡΠ½ΠΎΠ²Π° ΠΊΠ»Π΅ΡΠΎΡΠ½ΠΎΠ³ΠΎ ΠΌΠ°ΡΡΠΈΠΊΡΠ° Π΄Π»Ρ ΡΠΎΠ·Π΄Π°Π½ΠΈΡ 3D ΠΊΠ»Π΅ΡΠΎΡΠ½ΠΎΠΉ ΠΊΡΠ»ΡΡΡΡΡ
The study is devoted to the development of an artificial material based on the ultrahigh-molecular weight polyethylene (UHMWPE) with a porous or cellular 3D structure as a cellular matrix β a framework for growing cell cultures. The development of such matrix provides support for neuronal cell culture under conditions that mimick those that exist in the living body. Typically, in vitro cellular studies are conducted in a 2D format, which limits intercellular interactions, morphology, differentiation, survival, signaling responses, gene expression and proliferation that are found in vivo. Here, we propose to use UHMWPE as a material of the cellular matrix, the ultra-high molecular weight polyethylene. UHMWP is a bioinert substance, wich allows forming a system of open connected pores needed to provide cellular life conditions with supply of nutrients and oxygen as well as the removal of waste products, the possibility of intercellular communication, etc. As a result, the use of UHMWPE as a cellular matrix will allow to study the processes occurring in cells in the 3D environment.Π Π°Π±ΠΎΡΠ° ΠΏΠΎΡΠ²ΡΡΠ΅Π½Π° Π°Π½Π°Π»ΠΈΠ·Ρ ΡΠ²ΠΎΠΉΡΡΠ² ΠΈΡΠΊΡΡΡΡΠ²Π΅Π½Π½ΠΎΠ³ΠΎ ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»Π° Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ ΡΠ²Π΅ΡΡ
Π²ΡΡΠΎΠΊΠΎΠΌΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½ΠΎΠ³ΠΎ ΠΏΠΎΠ»ΠΈΡΡΠΈΠ»Π΅Π½Π° (Π‘ΠΠΠΠ) Ρ ΠΏΠΎΡΠΈΡΡΠΎΠΉ ΠΈΠ»ΠΈ ΡΡΠ΅ΠΈΡΡΠΎΠΉ 3D-ΡΡΡΡΠΊΡΡΡΠΎΠΉ, ΠΊΠΎΡΠΎΡΡΠΉ ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΠ΅ΡΡΡ Π² ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ ΠΊΠ»Π΅ΡΠΎΡΠ½ΠΎΠ³ΠΎ ΠΌΠ°ΡΡΠΈΠΊΡΠ° β ΠΊΠ°ΡΠΊΠ°ΡΠ° Π΄Π»Ρ Π²ΡΡΠ°ΡΠΈΠ²Π°Π½ΠΈΡ ΠΊΡΠ»ΡΡΡΡΡ ΠΊΠ»Π΅ΡΠΎΠΊ. Π Π°Π·ΡΠ°Π±ΠΎΡΠΊΠ° ΡΠ°ΠΊΠΎΠ³ΠΎ ΠΊΠ°ΡΠΊΠ°ΡΠ° ΠΎΠ±Π΅ΡΠΏΠ΅ΡΠΈΠ²Π°Π΅Ρ ΠΊΡΠ»ΡΡΠΈΠ²ΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ ΠΊΠ»Π΅ΡΠΎΡΠ½ΠΎΠΉ ΠΊΡΠ»ΡΡΡΡΡ Π² ΡΡΠ»ΠΎΠ²ΠΈΡΡ
, ΠΏΡΠΈΠ±Π»ΠΈΠΆΠ΅Π½Π½ΡΡ
ΠΊ ΡΠ΅ΠΌ, ΠΊΠΎΡΠΎΡΡΠ΅ ΡΡΡΠ΅ΡΡΠ²ΡΡΡ Π² ΠΆΠΈΠ²ΠΎΠΌ ΠΎΡΠ³Π°Π½ΠΈΠ·ΠΌΠ΅. ΠΠ°ΠΊ ΠΏΡΠ°Π²ΠΈΠ»ΠΎ, ΠΊΠ»Π΅ΡΠΎΡΠ½ΡΠ΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ in vitro ΠΏΡΠΎΠ²ΠΎΠ΄ΡΡ Π² 2D-ΡΠΎΡΠΌΠ°ΡΠ΅, ΠΊΠΎΡΠΎΡΡΠΉ ΠΏΠΎ ΡΠ²ΠΎΠ΅ΠΉ ΠΏΡΠΈΡΠΎΠ΄Π΅ ΠΎΠ³ΡΠ°Π½ΠΈΡΠΈΠ²Π°Π΅Ρ ΠΌΠ΅ΠΆΠΊΠ»Π΅ΡΠΎΡΠ½ΡΠ΅ Π²Π·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡΠ²ΠΈΡ, ΠΌΠΎΡΡΠΎΠ»ΠΎΠ³ΠΈΡ, Π΄ΠΈΡΡΠ΅ΡΠ΅Π½ΡΠΈΡΠΎΠ²ΠΊΡ, Π²ΡΠΆΠΈΠ²Π°Π΅ΠΌΠΎΡΡΡ, ΡΠΈΠ³Π½Π°Π»ΡΠ½ΡΠ΅ ΠΎΡΠ²Π΅ΡΡ, ΡΠΊΡΠΏΡΠ΅ΡΡΠΈΡ Π³Π΅Π½ΠΎΠ² ΠΈ ΠΏΡΠΎΠ»ΠΈΡΠ΅ΡΠ°ΡΠΈΡ, Π½Π°Π±Π»ΡΠ΄Π°Π΅ΠΌΡΠ΅ in vivo. Π ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»Π° ΠΊΠ»Π΅ΡΠΎΡΠ½ΠΎΠ³ΠΎ ΠΌΠ°ΡΡΠΈΠΊΡΠ° ΠΏΡΠ΅Π΄Π»Π°Π³Π°Π΅ΡΡΡ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°ΡΡ Π±ΠΈΠΎΠΈΠ½Π΅ΡΡΠ½ΡΠΉ ΡΠ²Π΅ΡΡ
Π²ΡΡΠΎΠΊΠΎΠΌΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½ΡΠΉ ΠΏΠΎΠ»ΠΈΡΡΠΈΠ»Π΅Π½ (Π‘ΠΠΠΠ), ΠΊΠΎΡΠΎΡΡΠΉ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΠ΅Ρ ΡΡΠΎΡΠΌΠΈΡΠΎΠ²Π°ΡΡ ΡΠΈΡΡΠ΅ΠΌΡ ΠΎΡΠΊΡΡΡΡΡ
ΡΠ²ΡΠ·Π°Π½Π½ΡΡ
ΠΏΠΎΡ Ρ ΡΠ΅Π»ΡΡ ΠΎΠ±Π΅ΡΠΏΠ΅ΡΠ΅Π½ΠΈΡ ΠΊΠ»Π΅ΡΠΎΡΠ½ΠΎΠΉ ΠΆΠΈΠ·Π½Π΅Π΄Π΅ΡΡΠ΅Π»ΡΠ½ΠΎΡΡΠΈ β βΠΏΠΎΠ΄Π²ΠΎΠ΄β ΠΏΠΈΡΠ°Π½ΠΈΡ ΠΈ ΠΊΠΈΡΠ»ΠΎΡΠΎΠ΄Π°, ΡΠ΄Π°Π»Π΅Π½ΠΈΠ΅ ΠΏΡΠΎΠ΄ΡΠΊΡΠΎΠ² ΠΆΠΈΠ·Π½Π΅Π΄Π΅ΡΡΠ΅Π»ΡΠ½ΠΎΡΡΠΈ, Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΡ ΠΎΡΡΡΠ΅ΡΡΠ²Π»Π΅Π½ΠΈΡ ΠΌΠ΅ΠΆΠΊΠ»Π΅ΡΠΎΡΠ½ΡΡ
ΡΠ²ΡΠ·Π΅ΠΉ ΠΈ Ρ.Π΄. Π ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ΅ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ Π‘ΠΠΠΠ Π² ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ ΠΊΠ»Π΅ΡΠΎΡΠ½ΠΎΠ³ΠΎ ΠΌΠ°ΡΡΠΈΠΊΡΠ° ΠΏΠΎΠ·Π²ΠΎΠ»ΠΈΡ ΠΈΠ·ΡΡΠΈΡΡ ΠΏΡΠΎΡΠ΅ΡΡΡ, ΠΏΡΠΎΡΠ΅ΠΊΠ°ΡΡΠΈΠ΅ Π² ΠΊΠ»Π΅ΡΠΊΠ°Ρ
Π² ΡΡΠ»ΠΎΠ²ΠΈΡΡ
3D-ΡΡΠ΅Π΄Ρ
ΠΠ‘Π‘ΠΠΠΠΠΠΠΠΠ ΠΠ ΠΠΠ£ΠΠΠΠΠ’Π ΠΠ§ΠΠ‘ΠΠΠΠ Π Π₯ΠΠΠΠΠ-ΠΠΠΠΠ ΠΠΠ¬ΠΠΠΠ Π‘ΠΠ‘Π’ΠΠΠΠ Π Π£ΠΠ« ΠΠΠ‘Π’ΠΠ ΠΠΠΠΠΠΠ― Π’ΠΠΠ’ΠΠ
A study of the particle size distribution, mineral and chemical composition of the complex scandium-rare-earth-niobium Tomtor ore deposit has been conducted. It is shown that the basis of the ore is comprised of phosphates, carbonates and niobates. The main identified minerals are the minerals of crandallite group (gorceixite, goyazite and florencite), pyrochlore and monazite, in addition, clearly identified boehmite, apatite, and quartz. A group of other minerals includes siderite, kaolinite, rutile and some other minerals. It is established that the investigated ore belongs to a mineral variety of the pyrochlore-monazite-crandallite ores of phosphate-rare-metal type with a predominance of crandallite minerals (50%) and relatively low content of pyrochlore (~7%) in its composition. Based on the content of niobium oxide Nb2O5 (~4%) in a sample, the ore can be attributed to the second class according to the accepted classification, i.e. the rich niobium ores, containing from 3,5 to 9% Nb2O5. Tomtor ore deposit is also rich in the mineral content of rare earth elements. On the basis of the conducted research the conclusion about practical impossibility of beneficiation of βTomtorβ ore deposits by traditional methods and economic feasibility of ore processing by the combined pyro - and hydrometallurgy methods is made.ΠΡΠΎΠ²Π΅Π΄Π΅Π½Ρ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π³ΡΠ°Π½ΡΠ»ΠΎΠΌΠ΅ΡΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ, ΠΌΠΈΠ½Π΅ΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΈ Ρ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΡΠΎΡΡΠ°Π²Π° ΡΡΠ΄Ρ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠ½ΠΎΠ³ΠΎ ΡΠΊΠ°Π½Π΄ΠΈΠΉ-ΡΠ΅Π΄ΠΊΠΎΠ·Π΅ΠΌΠ΅Π»ΡΠ½ΠΎ-Π½ΠΈΠΎΠ±ΠΈΠ΅Π²ΠΎΠ³ΠΎ ΠΌΠ΅ΡΡΠΎΡΠΎΠΆΠ΄Π΅Π½ΠΈΡ Π’ΠΎΠΌΡΠΎΡ. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ ΠΎΡΠ½ΠΎΠ²Ρ ΡΡΠ΄Ρ ΡΠΎΡΡΠ°Π²Π»ΡΡΡ ΡΠΎΡΡΠ°ΡΡ, Π½ΠΈΠΎΠ±Π°ΡΡ ΠΈ ΠΊΠ°ΡΠ±ΠΎΠ½Π°ΡΡ. ΠΡΠ½ΠΎΠ²Π½ΡΠΌΠΈ ΠΈΠ΄Π΅Π½ΡΠΈΡΠΈΡΠΈΡΠΎΠ²Π°Π½Π½ΡΠΌΠΈ ΠΌΠΈΠ½Π΅ΡΠ°Π»Π°ΠΌΠΈ ΡΠ²Π»ΡΡΡΡΡ ΠΌΠΈΠ½Π΅ΡΠ°Π»Ρ ΠΊΡΠ°Π½Π΄Π°Π»Π»ΠΈΡΠΎΠ²ΠΎΠΉ Π³ΡΡΠΏΠΏΡ (Π³ΠΎΡΡΠ΅ΠΉΡΠΊΠΈΡ, Π³ΠΎΡΡΠΈΡ ΠΈ ΡΠ»ΠΎΡΠ΅Π½ΡΠΈΡ), ΠΏΠΈΡΠΎΡ
Π»ΠΎΡ ΠΈ ΠΌΠΎΠ½Π°ΡΠΈΡ, ΠΊΡΠΎΠΌΠ΅ ΡΠΎΠ³ΠΎ, ΡΠ΅ΡΠΊΠΎ ΠΈΠ΄Π΅Π½ΡΠΈΡΠΈΡΠΈΡΠΎΠ²Π°Π½Ρ Π±Π΅ΠΌΠΈΡ, Π°ΠΏΠ°ΡΠΈΡ ΠΈ ΠΊΠ²Π°ΡΡ. Π Π³ΡΡΠΏΠΏΡ ΠΏΡΠΎΡΠΈΡ
ΠΌΠΈΠ½Π΅ΡΠ°Π»ΠΎΠ² Π²Ρ
ΠΎΠ΄ΡΡ ΡΠΈΠ΄Π΅ΡΠΈΡ, ΠΊΠ°ΠΎΠ»ΠΈΠ½ΠΈΡ, ΡΡΡΠΈΠ» ΠΈ Π½Π΅ΠΊΠΎΡΠΎΡΡΠ΅ Π΄ΡΡΠ³ΠΈΠ΅ ΠΌΠΈΠ½Π΅ΡΠ°Π»Ρ. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ ΠΈΡΡΠ»Π΅Π΄ΡΠ΅ΠΌΠ°Ρ ΡΡΠ΄Π° ΠΎΡΠ½ΠΎΡΠΈΡΡΡ ΠΊ ΠΌΠΈΠ½Π΅ΡΠ°Π»ΡΠ½ΠΎΠΉ ΡΠ°Π·Π½ΠΎΠ²ΠΈΠ΄Π½ΠΎΡΡΠΈ ΠΏΠΈΡΠΎΡ
Π»ΠΎΡ-ΠΌΠΎΠ½Π°ΡΠΈΡ-ΠΊΡΠ°Π½Π΄Π°Π»Π»ΠΈΡΠΎΠ²ΡΡ
ΡΡΠ΄ ΡΠΎΡΡΠ°ΡΠ½ΠΎ-ΡΠ΅Π΄ΠΊΠΎΠΌΠ΅ΡΠ°Π»Π»ΡΠ½ΠΎΠ³ΠΎ ΡΠΈΠΏΠ° Ρ ΠΏΡΠ΅ΠΎΠ±Π»Π°Π΄Π°Π½ΠΈΠ΅ΠΌ Π² Π΅Π΅ ΡΠΎΡΡΠ°Π²Π΅ ΠΌΠΈΠ½Π΅ΡΠ°Π»ΠΎΠ² Π³ΡΡΠΏΠΏΡ ΠΊΡΠ°Π½Π΄Π°Π»Π»ΠΈΡΠ° (Π±ΠΎΠ»Π΅Π΅ 50%) ΠΈ ΠΎΡΠ½ΠΎΡΠΈΡΠ΅Π»ΡΠ½ΠΎ Π½Π΅Π²ΡΡΠΎΠΊΠΈΠΌ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΠ΅ΠΌ ΠΏΠΈΡΠΎΡ
Π»ΠΎΡΠ° (~7%). ΠΠΎ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ Π² ΠΏΡΠΎΠ±Π΅ ΠΎΠΊΡΠΈΠ΄Π° Π½ΠΈΠΎΠ±ΠΈΡ Nb2O5 (~4%) ΡΡΠ΄Π° ΠΏΠΎ ΠΏΡΠΈΠ½ΡΡΠΎΠΉ ΠΊΠ»Π°ΡΡΠΈΡΠΈΠΊΠ°ΡΠΈΠΈ ΠΌΠΎΠΆΠ΅Ρ Π±ΡΡΡ ΠΎΡΠ½Π΅ΡΠ΅Π½Π° ΠΊΠΎ Π²ΡΠΎΡΠΎΠΌΡ ΡΠΎΡΡΡ, Ρ.Π΅. ΠΊ Π±ΠΎΠ³Π°ΡΡΠΌ Π½ΠΈΠΎΠ±ΠΈΠ΅Π²ΡΠΌ ΡΡΠ΄Π°ΠΌ, ΡΠΎΠ΄Π΅ΡΠΆΠ°ΡΠΈΠΌ ΠΎΡ 3,5 Π΄ΠΎ 9% Nb2O5. Π ΡΠ΄Π° ΠΌΠ΅ΡΡΠΎΡΠΎΠΆΠ΄Π΅Π½ΠΈΡ Π’ΠΎΠΌΡΠΎΡ ΡΠ°ΠΊΠΆΠ΅ Π±ΠΎΠ³Π°ΡΠ° ΠΏΠΎ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ ΠΌΠΈΠ½Π΅ΡΠ°Π»ΠΎΠ² ΡΠ΅Π΄ΠΊΠΎΠ·Π΅ΠΌΠ΅Π»ΡΠ½ΡΡ
ΡΠ»Π΅ΠΌΠ΅Π½ΡΠΎΠ². ΠΠ° ΠΎΡΠ½ΠΎΠ²Π°Π½ΠΈΠΈ ΠΏΡΠΎΠ²Π΅Π΄Π΅Π½Π½ΡΡ
ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΉ ΡΠ΄Π΅Π»Π°Π½ Π²ΡΠ²ΠΎΠ΄ ΠΎ ΠΏΡΠ°ΠΊΡΠΈΡΠ΅ΡΠΊΠΎΠΉ Π½Π΅Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΠΈ ΠΎΠ±ΠΎΠ³Π°ΡΠ΅Π½ΠΈΡ ΡΡΠ΄Ρ ΠΌΠ΅ΡΡΠΎΡΠΎΠΆΠ΄Π΅Π½ΠΈΡ Π’ΠΎΠΌΡΠΎΡ ΡΡΠ°Π΄ΠΈΡΠΈΠΎΠ½Π½ΡΠΌΠΈ ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌΠΈ ΠΈ ΡΠΊΠΎΠ½ΠΎΠΌΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΎΠΏΡΠ°Π²Π΄Π°Π½Π½ΠΎΡΡΠΈ ΠΏΠ΅ΡΠ΅ΡΠ°Π±ΠΎΡΠΊΠΈ ΡΡΠ΄Ρ ΠΊΠΎΠΌΠ±ΠΈΠ½ΠΈΡΠΎΠ²Π°Π½Π½ΡΠΌΠΈ ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌΠΈ ΠΏΠΈΡΠΎΠΈ Π³ΠΈΠ΄ΡΠΎΠΌΠ΅ΡΠ°Π»Π»ΡΡΠ³ΠΈΠΈ
ΠΡΡΠΎΠΊΠΎΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ½ΡΠΉ ΠΎΠ±ΠΆΠΈΠ³ ΡΡΠ΄Ρ ΠΌΠ΅ΡΡΠΎΡΠΎΠΆΠ΄Π΅Π½ΠΈΡ Π’ΠΎΠΌΡΠΎΡ ΠΈ Π΅Π³ΠΎ ΠΎΡΠΎΠ±Π΅Π½Π½ΠΎΡΡΠΈ
Research on kinetics of change of phosphorus, niobium, vanadium and titanium content during high-temperature roasting of ore from Tomtor field mixed with active additives: bicarbonate (NaHCO3), sodium carbonate (Na2CO3), alkalis (ΠΠΠ, NaOH) is conducted. An equation of ore roasting kinetics is proposed and values of constant rate of high-temperature ore roasting for phosphorus, niobium, vanadium and the titanium under various conditions are calculated. Relationships of constant rate of high-temperature ore roasting in the atmosphere of air oxygen, argon and molecular chlorine to the temperature of roasting and content of active additives are obtained. It is established that in the atmosphere of air oxygen, ore roasting is most effective with additions of NaHCO3, Na2CO3, NaOH, taken with the ratio (1:1). It is shown that roasting of ore in admixture with carbonates and alkalis can translate into a solution for subsequent leaching at minimum 95.0% of phosphorus and 44.0% of vanadium contained in the original ore. It is established that the greatest rate of roasting in the atmosphere of oxygen is characterized by ore roasting in a mixture of NaHCO3 and NaOH. The constant rates of that process for phosphorus and vanadium are calculated. It is established that filter cake forming after ore roasting requires further processing because it contains high concentrations of vanadium and other valuable metals.ΠΡΠΎΠ²Π΅Π΄Π΅Π½Ρ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΊΠΈΠ½Π΅ΡΠΈΠΊΠΈ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΡ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ ΡΠΎΡΡΠΎΡΠ°, Π½ΠΈΠΎΠ±ΠΈΡ, Π²Π°Π½Π°Π΄ΠΈΡ ΠΈ ΡΠΈΡΠ°Π½Π° ΠΏΡΠΈ Π²ΡΡΠΎΠΊΠΎΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ½ΠΎΠΌ ΠΎΠ±ΠΆΠΈΠ³Π΅ ΡΡΠ΄Ρ ΠΌΠ΅ΡΡΠΎΡΠΎΠΆΠ΄Π΅Π½ΠΈΡ Π’ΠΎΠΌΡΠΎΡ Π² ΡΠΌΠ΅ΡΠΈ Ρ Π°ΠΊΡΠΈΠ²Π½ΡΠΌΠΈ Π΄ΠΎΠ±Π°Π²ΠΊΠ°ΠΌΠΈ: Π±ΠΈΠΊΠ°ΡΠ±ΠΎΠ½Π°ΡΠΎΠΌ (NaHCO3), ΠΊΠ°ΡΠ±ΠΎΠ½Π°ΡΠΎΠΌ Π½Π°ΡΡΠΈΡ (Na2CO3), ΡΠ΅Π»ΠΎΡΠ°ΠΌΠΈ (ΠΠΠ, NaOH). ΠΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½ΠΎ ΡΡΠ°Π²Π½Π΅Π½ΠΈΠ΅ ΠΊΠΈΠ½Π΅ΡΠΈΠΊΠΈ ΠΎΠ±ΠΆΠΈΠ³Π° ΡΡΠ΄Ρ ΠΈ ΡΠ°ΡΡΡΠΈΡΠ°Π½Ρ Π·Π½Π°ΡΠ΅Π½ΠΈΡ ΠΏΠΎΡΡΠΎΡΠ½Π½ΠΎΠΉ ΡΠΊΠΎΡΠΎΡΡΠΈ Π²ΡΡΠΎΠΊΠΎΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ½ΠΎΠ³ΠΎ ΠΎΠ±ΠΆΠΈΠ³Π° ΡΡΠ΄Ρ Π΄Π»Ρ ΡΠΎΡΡΠΎΡΠ°, Π½ΠΈΠΎΠ±ΠΈΡ, Π²Π°Π½Π°Π΄ΠΈΡ ΠΈ ΡΠΈΡΠ°Π½Π° ΠΏΡΠΈ ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ
ΡΡΠ»ΠΎΠ²ΠΈΡΡ
. ΠΠΎΠ»ΡΡΠ΅Π½Ρ Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡΠΈ ΠΏΠΎΡΡΠΎΡΠ½Π½ΠΎΠΉ ΡΠΊΠΎΡΠΎΡΡΠΈ Π²ΡΡΠΎΠΊΠΎΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ½ΠΎΠ³ΠΎ ΠΎΠ±ΠΆΠΈΠ³Π° ΡΡΠ΄Ρ Π² Π°ΡΠΌΠΎΡΡΠ΅ΡΠ΅ ΠΊΠΈΡΠ»ΠΎΡΠΎΠ΄Π° Π²ΠΎΠ·Π΄ΡΡ
Π°, Π°ΡΠ³ΠΎΠ½Π° ΠΈ ΠΌΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½ΠΎΠ³ΠΎ Ρ
Π»ΠΎΡΠ° ΠΎΡ ΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΡ ΠΎΠ±ΠΆΠΈΠ³Π° ΠΈ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ Π°ΠΊΡΠΈΠ²Π½ΡΡ
Π΄ΠΎΠ±Π°Π²ΠΎΠΊ. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ Π² Π°ΡΠΌΠΎΡΡΠ΅ΡΠ΅ ΠΊΠΈΡΠ»ΠΎΡΠΎΠ΄Π° Π²ΠΎΠ·Π΄ΡΡ
Π° ΠΎΠ±ΠΆΠΈΠ³ ΡΡΠ΄Ρ ΠΏΡΠΎΡ
ΠΎΠ΄ΠΈΡ Π½Π°ΠΈΠ±ΠΎΠ»Π΅Π΅ ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎ Ρ Π΄ΠΎΠ±Π°Π²ΠΊΠ°ΠΌΠΈ NaHCO3, Na2CO3, NaOH, Π²Π·ΡΡΡΠΌΠΈ Π² ΡΠΎΠΎΡΠ½ΠΎΡΠ΅Π½ΠΈΠΈ (1:1). ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ ΠΎΠ±ΠΆΠΈΠ³ ΡΡΠ΄Ρ Π² ΡΠΌΠ΅ΡΠΈ Ρ ΠΊΠ°ΡΠ±ΠΎΠ½Π°ΡΠ°ΠΌΠΈ ΠΈ ΡΠ΅Π»ΠΎΡΠ°ΠΌΠΈ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΠ΅Ρ ΠΏΠ΅ΡΠ΅Π²ΠΎΠ΄ΠΈΡΡ Π² ΡΠ°ΡΡΠ²ΠΎΡ ΠΏΡΠΈ ΠΏΠΎΡΠ»Π΅Π΄ΡΡΡΠ΅ΠΌ Π²ΡΡΠ΅Π»Π°ΡΠΈΠ²Π°Π½ΠΈΠΈ Π½Π΅ ΠΌΠ΅Π½Π΅Π΅ 95,0% ΡΠΎΡΡΠΎΡΠ° ΠΈ 44,0% Π²Π°Π½Π°Π΄ΠΈΡ, ΡΠΎΠ΄Π΅ΡΠΆΠ°ΡΠΈΡ
ΡΡ Π² ΠΈΡΡ
ΠΎΠ΄Π½ΠΎΠΉ ΡΡΠ΄Π΅. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ Π½Π°ΠΈΠ±ΠΎΠ»ΡΡΠ΅ΠΉ ΡΠΊΠΎΡΠΎΡΡΡΡ Π² Π°ΡΠΌΠΎΡΡΠ΅ΡΠ΅ ΠΊΠΈΡΠ»ΠΎΡΠΎΠ΄Π° Π²ΠΎΠ·Π΄ΡΡ
Π° Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΠ·ΡΠ΅ΡΡΡ ΠΎΠ±ΠΆΠΈΠ³ ΡΡΠ΄Ρ Π² ΡΠΌΠ΅ΡΠΈ Ρ NaHCO3 ΠΈ NaOH. Π Π°ΡΡΡΠΈΡΠ°Π½Ρ ΠΏΠΎΡΡΠΎΡΠ½Π½ΡΠ΅ ΡΠΊΠΎΡΠΎΡΡΠΈ ΡΡΠΎΠ³ΠΎ ΠΏΡΠΎΡΠ΅ΡΡΠ° Π΄Π»Ρ ΡΠΎΡΡΠΎΡΠ° ΠΈ Π²Π°Π½Π°Π΄ΠΈΡ. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ ΠΎΠ±ΡΠ°Π·ΡΡΡΠΈΠΉΡΡ ΠΏΠΎΡΠ»Π΅ ΠΎΠ±ΠΆΠΈΠ³Π° ΡΡΠ΄Ρ ΠΊΠ΅ΠΊ, ΡΡΠ΅Π±ΡΠ΅Ρ Π΄ΠΎΠΏΠΎΠ»Π½ΠΈΡΠ΅Π»ΡΠ½ΠΎΠΉ ΠΏΠ΅ΡΠ΅ΡΠ°Π±ΠΎΡΠΊΠΈ, ΠΏΠΎΡΠΊΠΎΠ»ΡΠΊΡ ΡΠΎΠ΄Π΅ΡΠΆΠΈΡ Π²ΡΡΠΎΠΊΠΈΠ΅ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΠΈ Π²Π°Π½Π°Π΄ΠΈΡ ΠΈ Π΄ΡΡΠ³ΠΈΡ
ΡΠ΅Π½Π½ΡΡ
ΠΌΠ΅ΡΠ°Π»Π»ΠΎΠ²
Production of nanostructured shape memory alloy for the aerospace industry by rolling method
A technology has been developed for obtaining high-strength nanostructured titanium nickelide by intensive plastic deformation in rolling mills. An alternative to powder metallurgy is proposed a technological solution for obtaining a material with a nanostructure, bypassing the stage of directly obtaining powders and their compacting. Experimental data are obtained and theoretical conclusions are drawn about the relationship between the evolution of the defect structure and the nature of the change in the mechanical properties of titanium nickelide under the influence of intense plastic deformations. The offered technology is realized on the usual industrial equipment without use of special expensive installations. Β© 2021, Univelt Inc. All rights reserved
ΠΠΎΠ²ΡΡΠ΅Π½ΠΈΠ΅ ΡΡΠ΅ΠΏΠ΅Π½ΠΈ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΡ Π»ΠΈΡΠ΅ΠΉΠ½ΡΡ ΡΠ»Π°ΠΊΠΎΠ² ΠΏΡΠΈ ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΡΡΠ²Π΅ ΡΠΏΠ»Π°Π²ΠΎΠ² Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ ΠΌΠ΅Π΄ΠΈ
Shape optimization of nickel anodes used in the production of galvanic coatings of rocket engine
Production of electroplates of rocket engines traditionally uses hot-rolled sheet nickel anodes, the main disadvantages of which are: small specific surface, high volume of anode scrap formation. The purpose of the study is to investigate and develop the process of cathode electroforming of spherical deposits and their subsequent usage as soluble nickel anodes. A laboratory setup and cathode mount of original design was developed for the generation of spherical deposits. Cathode deposits of spherical shape with 0.9-1.2 cm diameter and fine profile and surface quality were obtained as a result of the experiment. Utilizing spherical anodes in nickel electroplate coating production showed that this process is accompanied by 98-99% dissolution of loaded anode mass with the reduction of specific cost almost by 25%. Β© 2020, Univelt Inc. All rights reserved
Production nickel composite materials reinforced with ultrafine powders, obtained from aerospace industry waste
First developed and studied composite materials on a metal substrate (matrix) obtained by the electrodeposition of aerospace industry nickel waste of the elec-trolytes-suspensions based sulfate, chloride, acetate and methanesulfonateon containing ultrafine powders kaolin and bentonite clays. It was established that by using ultrafine powders on electrolyte suspensions, metal matrix composites (MMCs) reinforced by ultrafine uniform-sized elements are produced. New MMCs from electrolyte suspensions with addition of nanosize powders of kaolin and bentonite were obtained as a result of the conducted experiments and had been thoroughly studied. The effect of kaolin and bentonite nanosize powder additive concentration on substrate porosity and its electrochemical properties (corrosion resistance, electrochemical activity) had been established. It was shown that porosity, corrosion resistance and electrochemical activity of MMC are determined by the grain size of ultrafine elements and their concentration in the electrolyte suspension. Consumption of organic additives for the electrolytes that provide the required surface quality of MMC was determined and optimized. Β© 2020, Univelt Inc. All rights reserved