SYNTHESIS OF ETHYLENE SERIES HYDROCARBONS FROM MONOCHLOROMETHANE
Keywords:
methane, ethylene, propylene, pyrolysis, monochloromethane, silicon aluminum magnesium phosphate, hydrogen chloride, oxychlorination.
Abstract
Thermal analysis of the catalysts obtained for the pyrolysis process of methyl chloride was carried out in the Q-1500D derivatograph. The pore structure of the samples was studied using the low-temperature nitrogen adsorption method in the NOVA 1200 E device. The specific surface of the samples was determined by the BET method, and the average mesopore size was determined by the BJH method. The main products are C2-C4 unsaturated hydrocarbons. There were also few by-products, mostly saturated open-chain hydrocarbons (C1-C4). To implement the process, the activity of catalysts such as YuKS, Fe2O3 (YuKSFe), SiO2 (YuKSSi), (YuKSMg) was studied and the following order of activity was determined: YuKSMg > YuKSFe > YuKSSi > YuKS. As a result of the research, a technological scheme for producing monochloromethane and obtaining ethylene and propylene was created for the implementation of the process, and the results were analyzed.
References
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2. Rozanov V.N., Treger Yu.A. Razrabotka prosessov polucheniya xlormetanov.// Nauchnыye trudы NII «Sintez». -M., 1996. -S. 176.
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4. Zhao T-S., Takemoto T., Tsubaki N. Direct synthesis of propylene and light olefins from dimethyl ether catalyzed by modified H-ZSM-5//Catalysis Communications.-2006.-V.7.-P. 647.
5. Shevchuk V.U., Abadjev S.S., Pzix I.P., Krupey T.I. Polucheniye nepredelnыx uglevodorodov iz metana cherez metilxlorid. // Ximiya tverdogo topliva. -1993. -№ 2. -S. 89.
6. Treger Yu.A., Rozanov V.N., Timoshenko A.V. Polucheniye nizshix olefinov iz prirodnogo gaza cherez sintez i piroliz xloristogo metila // Gazoximiya, 2010, № 2. S. 44–50.
7. Wei Y., Zhang D., Liu Z., Su B-L. Highly efficient catalytic conversion of chloromethane to light olefins over HSAPO-34 as studied by catalytic testing and in situ FTIR. //Journal of Catalysis. -2006. -V. 238. -P. 46.
8. Treger Yu.A., Rozanov V.N., Lunkov S.A., Murashova O.P., Dasayeva G.S. Kataliticheskiy piroliz metilxlorida dlya polucheniya etilena i propilena. // Kataliz v promыshlennosti, 2009. -№ 2. -S. 14.
9. Moiseyev I.I. Gaz i etilen. Alternativa nefti – yest // Chem. J. (Ximicheskiy jurnal). 2008. № 4. S. 28–31.
10. Wei Y., Zhang D. Highly efficient catalytic conversion of chloromethane to light olefins over HSAPO-34 as studied by catalytic testing and in situ FTIR // J. Catal. 2006. V. 238. № 1. P. 46–57.
11. Svelle S., Aravinthan S., Bjørgen M., Lillerud K.-P., Kolboe S., Dahl I.M., Olsbye U. The methyl halide to hydrocarbon reaction over H-SAPO-34 // J. Catalysis. 2006. V. 241. № 2. P. 243–254.
12. Wei Y., Zhang D. Methyl halide to olefins and gasoline over zeolites and SAPO catalysts: A new route of MTO and MTG // Chin. J. Catal. 2012. V. 33. № 1. P. 11–21.
13. Wei Y., Zhang D., Xu L., Chang F. Synthesis, characterization and catalytic performance of metal-incorporated SAPO-34 for chloromethane transformation to light olefins // Catalysis Today. 2008. V. 131. P. 262–269.
14. Izadbakhsh A., Farhadi F., Khorasheh F., Sahebdelfar S., Asadi M., Feng Y.Z. // Effect of SAPO-34’s composition on its physico-chemical properties and deactivation in MTO process // Appl. Catal. A:General. 2009. V. 364. P. 48–56
15. Treger Yu.A., Rozanov V.N., Flid M.R. Kataliticheskiy sposob pererabotki metana. // Zayavka № 2008115140/04 (016915) ot 22.04.2008 g.
16. Treger Yu.A., Rozanov V.N., Timoshenko A.V. Polucheniye nizshix olefinov iz prirodnogo gaza cherez sintez i piroliz xloristogo metila // Gazoximiya, 2010, № 2. S. 44–50.
17. Aslanov,S.C.,Buxorov,A.Q.,Fayzullayev,N.I.Catalytic synthesisof С2-С4-alkenes from dimethyl ether//InternationalJournalof Engineering TrendsandTechnology,202,69(4),str.67–75
18. Fayzullaev N. I. et al. Catalytic change of C1-C4-alkanes //International Journal of Control and Automation. – 2020. – T. 13. – №. 2. – S. 827-835.
19. Omanov, B.S., Fayzullaev, N.I., Xatamova, M.S. Vinyl acetate production technology//International Journal of Advanced Science and Technology, 2020, 29(3), str. 4923–4930
20. Tursunova, N.S., Fayzullaev, N.I. Kinetics of the reaction of oxidative dimerization of methane//International Journal of Control and Automation, 2020, 13(2), str. 440–446.
Published
2024-03-30
How to Cite
Normurot FAYZULLAYEV, Jonibek JAVHAROV, & Nurbek ERGASHEV. (2024). SYNTHESIS OF ETHYLENE SERIES HYDROCARBONS FROM MONOCHLOROMETHANE. News of the NUUz, 3(3.1), 449-452. https://doi.org/10.69617/uzmu.v3i3.1.1891
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