Dametken Fischer
YOU?
Author Swipe
View article: Structural, Sorption, and Regeneration Properties of Poly(methacrylic acid): Poly(4-vinylpyridine) Interpolymer Systems for the Recovery of Rhenium and Molybdenum
Structural, Sorption, and Regeneration Properties of Poly(methacrylic acid): Poly(4-vinylpyridine) Interpolymer Systems for the Recovery of Rhenium and Molybdenum Open
The sorption, structural, and thermal properties of the interpolymer system based on polymethacrylic acid (PMAA) and poly-4-vinylpyridine (P4VP) were studied at different component ratios for the extraction of rhenium (ReO4−) and molybdenu…
View article: Removal of Hexavalent Chromium Ions from Industrial Effluents Using Natural and Modified Diatomite, Taurite, Lewatit M500, and Activated Carbon
Removal of Hexavalent Chromium Ions from Industrial Effluents Using Natural and Modified Diatomite, Taurite, Lewatit M500, and Activated Carbon Open
Hexavalent chromium Cr (VI) compounds present in ilmenite concentrate not only pose significant environmental hazards due to their toxicity but also complicate further processing, interfering with technological operations in industrial pro…
View article: The use of diatomites in industrial production technologies
The use of diatomites in industrial production technologies Open
General information on the distribution and reserves of diatomites in the world and Kazakhstan is presented, and their physical and chemical properties and applications are described. Diatomites have several valuable properties: high poros…
View article: Wastewater treatment from hydrogen sulphide using iron-containing coagulant
Wastewater treatment from hydrogen sulphide using iron-containing coagulant Open
The increase of sulphate content in natural water sources due to anthropogenic causes leads to a corresponding increase of sulphate and sulphide concentrations in wastewater. Biochemical reactions occurring in sewage systems of sulphate re…
View article: Extraction of gold from gravity-flotation concentrates via surfactant and oxidation reagents
Extraction of gold from gravity-flotation concentrates via surfactant and oxidation reagents Open
The focus of this work is to establish a hydrometallurgical technique for efficiently extracting gold from the aggregated gold-rich concentrate produced by a mining facility in one of Kazakhstan's deposits. The leaching techniques applied …
View article: INVESTIGATION OF THE EFFICIENCY OF RHENIUM ION SORPTION USING ION-EXCHANGE RESINS POLYACRYLIC ACID: POLY-4-VINYLPYRIDINE IN VARIOUS RATIOS
INVESTIGATION OF THE EFFICIENCY OF RHENIUM ION SORPTION USING ION-EXCHANGE RESINS POLYACRYLIC ACID: POLY-4-VINYLPYRIDINE IN VARIOUS RATIOS Open
This study is devoted to the study of the efficiency of sorption of rhenium ions using ion-exchange resins containing polyacrylic acid (PAK) and poly-4-vinylpyridine (P4VP) in various composition ratios. Goals and objectives. To investigat…
View article: Influence of Current Duty Cycle and Voltage of Micro-Arc Oxidation on the Microstructure and Composition of Calcium Phosphate Coating
Influence of Current Duty Cycle and Voltage of Micro-Arc Oxidation on the Microstructure and Composition of Calcium Phosphate Coating Open
The micro-arc oxidation (MAO) technique was employed to produce calcium phosphate coatings on titanium surfaces using an electrolyte composed of hydroxyapatite and calcium carbonate in an aqueous solution of orthophosphoric acid. The coati…
View article: Prediction of the formation of low-molecular components, particles, and condensed phases during thermal destruction of oil-contaminated soil
Prediction of the formation of low-molecular components, particles, and condensed phases during thermal destruction of oil-contaminated soil Open
In this study, thermodynamic modelling of the process of thermal destruction of oil-contaminated soil of Ozenmunaigas JSC, which includes compounds such as carbon, silicon, aluminum, iron, calcium, magnesium, sodium, potassium, chromium, p…
View article: On the Question of the Complex Processing of Pyrite Cinders
On the Question of the Complex Processing of Pyrite Cinders Open
A complex processing variant for pyrite cinders, i.e., the technogenic waste generated in the production of sulfuric acid, was proposed. This method provided preliminary chemical activation of the initial raw materials that comprised therm…