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New catalysts have been developed and studied for the synthesis of acetaldehyde and acetone in combination with acetylene hydration. The composition of the feedstock CCP catalyst used in the acetaldehyde synthesis was analyzed and identified. Based on the analysis results, active cadmium oxide was separated from the CCP catalyst composition, and new BCC-1, BCC-2, BCC-3, BCC-4, BCC-5, BCC-6, BCC-7, BCC-8, BCC-9 catalysts were prepared. These catalysts were tested, and during the acetaldehyde synthesis process, the BCC-7 catalyst yielded a high efficiency (65.7%). Optimal conditions were determined for the synthesis of acetaldehyde and acetone. Bentonite mineral was used as a core in the preparation of this catalyst. There are different brands of bentonite mineral, and Bentonite (PBG) brand mineral was used for BCC-7 catalyst. The high content of aluminum oxide in this mineral increases the strength of the catalyst.

The article presents the results of the yield of pyridine derivatives obtained on the basis of a catalyst of various compositions and, at the same time, the efficiency of new catalytic systems for the synthesis of pyridine derivatives is investigated. “Angren kaolin” (Uzbekistan) was used to develop catalytic systems. The development and implementation of new catalytic systems leads to a decrease in the problems associated with the purchase of catalysts from abroad and will entail economic benefits for the republic. To solve the problems, the following research methods were used: spectral analysis, microscopic analysis, potentiometric method, physicochemical methods of analysis, and methods of preparing catalysts.The catalysts have been developed with different ratios of starting components. The efficiency of heterogeneous catalysts was determined by the synthesis of pyridine derivatives at the facilities of JSC “Navoiyazot”. It was found that among the monocomponent catalysts, the CK-13 brand catalyst ((CdO-13.0%, kaolin-87.0%) (2-methylpyridine-41.2%, 4- methylpyridine-22.4%) was more efficient) with a yield of 63.6%, and among two-component catalysts of the CChK-13 brand (CdO-13.0%, Cr2O3-5.0%, kaolin-82.0%) (2-methylpyridine-45.4%, 4-methylpyridine - 24.8%)) with a yield of 70.2%. And also the influence of peptizers on the yield of finished products was studied.

The article shows the importance of obtaining new composition of heavy drilling fluids based on composite chemical reagents from local raw materials and industrial wastes for drilling oil and gas wells. In the process of building oil and gas wells to maintain the stability of the walls, to prevent the flow of salts, and to prevent the penetration of formation fluids into the well, it becomes necessary to increase the density of the drilling fluid, which can be accomplished by introducing components with increased density. For obtaining and stabilization heavy drilling fluid were investigated and recommended new compositions of powder water soluble gossypol resin and carboxymetylcellylose sodium and other minerals. Stabilization indexes and their determination in the drilling process of oil and gas wells have been investigated. The result of research have been implemented in the drilling process of oil and gas wells with abnormally high reservoir pressure.