Abstract: The aim of using electrocoagulation process to remove Mercurochrome dye from wastewater was studied. Zinc electrodes were used in an electrolysis cell with a capacity of 300 ml and the effect of the following factors was studied: initial dye concentration (10-25 ppm), voltage (10-30…

Keywords: electrocoagulation, zinc electrode, mercurochrome dye, wastewater treatment

DOI: 10.65382/2221-8688-2026-1-72-84

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NANO-STRUCTURED VERMICULITE CLAY FOR HIGH-PERFORMANCE ADSORPTION OF MALACHITE GREEN DYE: STRUCTURAL CHARACTERIZATION AND REGENERATION POTENTIAL

Aseel M. Aljeboree¹, Ali Fawzi Al-Hussainy², Usama S. Altimari³, Shaima Abd⁴, Zainab A. Alhassan⁵, Ayad F. Alkaim¹

This study employed nanoclay as a low-cost, environmentally friendly adsorbent for the effective removal of malachite green (MG) dye from aqueous solutions. The nanoclay was characterized using XRD, FESEM, TEM, TGA, and FTIR. Structural and morphological analyses confirmed a porous, multilayered structure that was enhanced…

Keywords: Vermiculite, Clay, Dye, Malachite green, Nano, Removal, Regeneration

DOI: 10.65382/2221-8688-2026-4-619-634

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ELECTROCHEMICAL AND SPECTROPHOTOMETRIC STUDY OF OLANZAPINE IN THE BUFFER SOLUTION AND THE EFFECT OF THE SOLVENT ON ITS COMPLEX FORMATION ABILITY

Irine Gurgenidze^1*, Shukri Japaridze¹, Nino Nizharadze², Nino Imnadze², Elizaveta Tskhakaia^1,3, Tamar Paikidze¹, Maia Tsintsadze^1,4, Dimitri Lochoshvili¹, Nino Gabitashvili⁴, Lela Kvnikadze^1,3

The electrochemical and spectrophotometric behavior of Olanzapine (OLZ) was studied for its optimal concentration ratio towards citrate buffer solution, the half-wave potential of a mercury dropping electrode, and electrochemical and spectrophotometric calibration curves for the qualitative and quantitative determination of OLZ. The influence of various…

Keywords: olanzapine, carbonaceous materials as adsorbents, voltammetrical study, spectrophotometrical study, complex formation, donor atom

DOI: 10.65382/2221-8688-2027-1-170-180

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CATALYSTS AND CATALYTIC PROCESSES FOR THE PRODUCTION OF HYDROGEN-RICH GAS FOR FUEL CELL FEEDING

S.D. Badmaev, V.D. Belyaev, M.V. Konishcheva, A.V. Kulikov, A.A. Pechenkin, D.I. Potemkin, V.N. Rogozhnikov, P.V. Snytnikov, V.A. Sobyanin

The paper considers new approaches to the preparation of structured catalysts and peculiarities of the processes for the production of hydrogen-rich gas from hydrocarbons and dimethyl ether for fuel cell feeding applications. The results of the studies of structured catalyst for CO removal from reformate…

DOI: 10.32737/2221-8688-2019-2-193-204

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INVESTIGATION OF PURIFICATION PROCESS OF OIL-CONTAMINATED SOILS

G.S. Hasanov, V.G. Valiyev, N.F. Aliyeva, E.A. Aliyev

The work deals with the purification process of the oil-contaminated soils. Methods of intensification of molecular surface phenomena when exposed to oil-polluted soil were shown. Removal of the oil pollutant from the surface of mineral particles is a result of a complex action of molecular-…

DOI: 10.32737/2221-8688-2019-4-626-632

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EFFECT OF COMPLEX MODIFIERS ON PROPERTIES OF CEMENT SYSTEMS

A.A. Guvalov, S.İ. Abbasova

The management of the rheological properties of the cement systems and the kinetics of solidification by the use of specially designed complex modifiers has been proved. Modification of cement systems was made possible by the use of a complex modifier (CM) obtained as a result…

DOI: 10.32737/2221-8688-2020-1-26-32

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SYNTHESIS AND INDUSTRIAL APPLICATION OF PROTECTIVE LAYER CATALYSTS BASED ON KAOLIN FOR HYDROCLEAN INSTALLATIONS

M.P. Yunusov, Sh.B. Djalalova, Kh.A. Nasullaev, Z.A. Teshabaev, Sh.T. Gulomov, B.B. Rakhimjanov

The dynamics of the accelerated formation of corrosion products of equipment in the process of obtaining diesel and oil fractions from sour oil with a high concentration of resinous asphaltic substances and derivatives of petroleum acids are investigated in this work. The following experimental data…

DOI: 10.32737/2221-8688-2020-3-325-335

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SYNTHESIS OF COBALT AND COPPER NANOFERRITES BY A SOL-GEL METHODUSING PLANTS AND THEIR CATALYTIC ACTIVITY

S.M. Zulfugarova^*, G.R. Azimova, Z.F. Aleskerova

Abstract. This brief review presents an analysis of data from the past five years on the "green" synthesis and catalytic activity of cobalt and copper nanoferrites, which are characterized by a wide range of applications. Due to their large reserves, availability, and abundance, plants are…

Keywords: green synthesis, cobalt and copper nanoferrites, sol-gel method

DOI: 10.65382/2221-8688-2026-3-465-475

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