Abdrakhimov V
Abdrakhimov V

Абдрахимов В.З. Abdrakhimov V
Doctor of Technical Sciences, Professor, Samara State University of Economics, Samara, Russian Federation



Publications

Nanotehnologija the use of Aluminium-containing Raw Materials in the Petrochemical Industry to Produce High -performance Brick
Issue: №2 2020
read more

The reduction in the reserves of traditional natural raw materials makes us look for new ways to replace it with different types of waste. At the same time, the costs of exploration, construction and operation of quarries are excluded, and significant land plots are exempt from the impact of negative anthropogenic factors. The experience of advanced foreign countries has shown the technical feasibility of this direction and its application as a tool for protecting the natural environment from pollution. On the basis of inter-shale clay and high-alumina nanotehnologija raw materials petrochemical spent catalyst IM-2201 NovoKuibyshev petrochemical plant derived ceramic brick with high physicalmechanical properties without the use of traditional natural materials. Using nanotechnogenic petrochemicals – spent catalyst IM-2201, containing more than 70% A12O3, a ceramic brick was obtained that corresponds to the M200 brand. It is possible to build load-bearing walls of the lower floors of high-rise buildings (15 floors or more) from M200 ceramic bricks. Innovative proposals for the use of industrial waste: interslant clay and spent catalyst in the production of high-strength ceramic earthquake-resistant bricks with high strength and frost resistance have been developed. The absolute advantage of using multi-tonnage waste of the spent IM-2201 catalyst and inter-shale clay for the waste of oil shale is 
the unloading of the environmental situation.

The Influence of Nanotechnogenic Raw Materials on the Drying Properties and Physical and Mechanical Properties of Ceramic Bricks
Issue: №1 2020
read more

 When obtaining ceramic bricks only from low-melting clay with the number of plasticity less than 12 without the use of thinners, there is a sharp drop in the limiting shear stress in the temperature range of 20-80oC, which contributes to the appearance of cracks and 
deformation curvatures of products. The use of nanotechnogenic raw materials as a thinner does not contribute to a sharp drop in the ultimate shear stress of the semi-finished brick in the temperature range of 2080oC, eliminates the appearance of cracks and increases the physical and mechanical performance of the finished product. Studies have shown that in order to improve the drying properties of the ceramic mass, the system «nanotechnogenic raw materials-fusible clay-water» is more homogeneous in relation to the system «clay-water». The analysis of the ultimate shear stress in hot forming conditions showed that the function of dependence of plastic strength on molding humidity PM =f (W,t) than the function of dependence of plastic strength on temperature PM =f(t) acquires special importance in this case.



The Use of Annealed Aluminum Salt Slag to Obtain a High Strength Antiseismic Brick
Issue: №5 2019
read more

Taking into account the reduction of reserves of traditional natural raw materials, it is necessary to find new ways to replace it with different types of waste. The experience of advanced foreign countries has shown the technical feasibility of this area and the use of more as a tool to protect the environment from pollution. In the present work, instead of dehydrated clay, it is proposed to use burnt salt aluminum slag as a otoschitel. Highstrength earthquake-resistant brick M200 was obtained on the basis of inter-shale clay and burnt salt aluminum slag without the use of natural traditional raw materials. Proposed zaparovanny way of dressing aluminum oxide aluminum salt slag. Salt aluminum slags are fired at a temperature of 900-920 ° C to the content of losses during calcination not more than 4%. After firing of salt aluminum slags in the temperature range 900-920 ° C, their chemical composition was significantly enriched with aluminum oxide. The resulting ceramic brick corresponded to the brand 200, from which, thanks to the use of burnt salt aluminum slags, it is possible to erect bearing walls of the lower floors of buildings of higher floors (15 floors or more). Innovative proposals have been developed for the use of waste products: inter-shale clay and burnt salt aluminum slag in the production of high-strength ceramic earthquake-resistant bricks.
High-strength earthquake-resistant brick M175-200 was obtained on the basis of inter-shale clay and burnt salt aluminum slag without the use of natural traditional raw materials. The burnt salt aluminum slag containing more than 70% A1 2O3 increases durability and frost resistance of products of a ceramic brick. The absolute advantage of the use of multi-tonnage waste of salt aluminum slag and inter-shale clay – waste oil shale is unloading the environmental situation.