Zobrazeno 1 - 10
of 42
pro vyhledávání: '"O. A. Tareeva"'
Publikováno v:
Химия в интересах устойчивого развития. 30:274-280
Publikováno v:
Chemistry for Sustainable Development. 30:383-387
Autor:
O. A. Tareeva, E. P. Lokshin
Publikováno v:
Theoretical Foundations of Chemical Engineering. 55:808-815
A new technology has been considered to process monazite concentrate by treating it by a phosphoric acid solution in the presence of strong acid cation exchange resin. The end products are a carbonate of hydroxide concentrate of rare-earth elements (
Autor:
O. A. Tareeva, E. P. Lokshin
Publikováno v:
Russian Metallurgy (Metally). 2020:964-970
The nitric acid decomposition of an eudialyte concentrate by sorption conversion is studied. This method is based on the interaction of the concentrate with a low concentrated solution of HNO3 in the presence of sulfonic cation-exchange resin. During
Autor:
O. A. Tareeva, E. P. Lokshin
This paper summarizes the findings of the research aimed at the development of a new method for the integrated processing of naturally occurring and anthropogenic rare-earth raw materials based on the decomposition of rare-earth element (REE) concent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27e3718bf583e033ba6cb012bbed4dd9
https://doi.org/10.37614/978.5.91137.455.6
https://doi.org/10.37614/978.5.91137.455.6
Autor:
O. A. Tareeva, E. P. Lokshin
Publikováno v:
Theoretical Foundations of Chemical Engineering. 53:688-692
The possibility of using sorption by sulfocationite in order to extract zirconium from nitrate and sulfuric acidic solutions has been shown. The sorption of zirconium from sulfuric solutions is much more effective than from nitrate solutions. Zirconi
Publikováno v:
Russian Journal of Applied Chemistry. 90:522-527
It is shown that REEs and thorium can be separated directly in the course of a sorption conversion of the phosphate rare-earth concentrate precipitated in nitric acid processing of the Khibiny apatite concentrate by introduction of compounds containi
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 677:022086
Cereals are an integral part of the feed rations of farm animals. When dry feeding, the grains are crushed. Grain grinding can be performed in various ways, such as crushing, splitting, abrasion, and impact. Different equipment is used for this purpo
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 640:072019
The article reflects the degree of adequacy of the use of G-distribution and the constructed mathematical model of adaptive control, which allows increasing the productivity of conveyor-ring milking machines of the “Karusel” type. This paper disc
Publikováno v:
Theoretical Foundations of Chemical Engineering. 50:857-862
It has been shown that the processes of the recovering rare earth elements from phosphogypsum using agitation leaching by solutions that contain 2–10 wt % H2SO4 have poor economic prospects.