B. E. Abdikerim
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View article: Extraction of Noble Metals from Pyrite Cinders
Extraction of Noble Metals from Pyrite Cinders Open
When obtaining sulfuric acid from pyrite concentrates, a significant amount of waste is generated in the form of pyrite cinders that require disposal. The methods used in processing this raw material are, as a rule, the pyrometallurgical p…
View article: Modification of Natural Minerals with Technogenic Raw Materials
Modification of Natural Minerals with Technogenic Raw Materials Open
The presence of uranium-containing wastes from large provinces in the Republic of Kazakhstan significantly complicates the ecological situation, causing damage to the soil and hydrosphere due to the uncontrolled spread of large volumes of …
View article: Obtaining modified sorbents based on natural raw materials of Kazakhstan and research of their properties
Obtaining modified sorbents based on natural raw materials of Kazakhstan and research of their properties Open
With the huge explored reserves of potash salts in Kazakhstan, there is still no production of potash fertilizers, the demand for which is constantly growing. In this regard, research of processing of the largest Chelkar deposit ore into p…
View article: Research on sorption properties of phosphoric production slag-waste
Research on sorption properties of phosphoric production slag-waste Open
On the territory there are phosphorus-containing wastes - phosphorus slags, the basis of which is volostanite. The study of phosphorus slag as a uranium sorbent is of theoretical and practical interest. In the course of the research, compa…
View article: On methods of modifying natural minerals
On methods of modifying natural minerals Open
Recently, more and more attention is paid to the ecological safety of the republic due to the increased threat of environmental pollution by radionuclides, particularly by uranium, while the processing of uranium-containing raw materials g…
View article: Research of Organomineral Sorbents Based on Shungite of Kazakhstan
Research of Organomineral Sorbents Based on Shungite of Kazakhstan Open
Kazakhstan ranks second in the world in terms of natural uranium reserves and dominates in its production. Hydrometallurgical processing of uranium-containing raw materials generate a large amount of liquid technogenic waste, which are was…
View article: Uranium extraction with modified sorbents
Uranium extraction with modified sorbents Open
Hydrometallurgical processing of uranium-containing raw materials generates a significant amount of liquid industry-related waste, namely waste solutions that require disposal. Sorption is known as one of the most effective methods for pur…
View article: Revisiting the Kazakhstan natural sorbents modification
Revisiting the Kazakhstan natural sorbents modification Open
Kazakhstan ranks second in the world in natural uranium reserves and a leading position in its production. Hydrometallurgical processing of uranium raw materials results in a significant amount of liquid technogenic wastes containing radio…
View article: Processing of low quality ekibastuz coals ashes and natural diatomites to obtain alumina and foamed glass
Processing of low quality ekibastuz coals ashes and natural diatomites to obtain alumina and foamed glass Open
Analysis of technological solutions on complex processing Ekibastuz coals ashes displays efficiency of complex alkaline technologies. However their significant drawback is the necessity to utilize big volumes of alkaline-silicic solutions.…
View article: Kinetics of roasting of copper and iron sulfides with soda in a vibratory boiling layer
Kinetics of roasting of copper and iron sulfides with soda in a vibratory boiling layer Open
The kinetics of the roasting of iron and copper sulfides in a pulsating layer was studied, and the kinetic parameters of the processes were determined. The determination of the order of the roasting reactions and activation energy in the M…