ADSORPTION PURIFICATION OF NATURAL GAS FROM SULFUR COMPOUNDS USING ACID-MODIFIED CLINOPTILOLITE

1Aripdjanov Oybek Yusupdjanovich 2Maxammatov Mirshoxid Maxmudjon ugli 3Mo'minov Bekmurod Qobil ugli

Authors

1Aripdjanov Oybek Yusupdjanovich 2Maxammatov Mirshoxid Maxmudjon ugli 3Mo'minov Bekmurod Qobil ugli Tashkent Institute of Chemical Technology Republic of Uzbekistan, Tashkent

Keywords:

Natural gas, Clinoptilolite, Adsorption, Sulfur compounds, Acid modification, Dealumination, Zeolites.

Abstract

This paper investigates the enhancement of the adsorption properties of natural clinoptilolite for the purification of natural gas from harmful sulfur-containing components, specifically hydrogen sulfide (H_2S) and organic sulfur compounds (mercaptans, COS). The study focuses on the acid modification process (dealumination) to optimize the pore structure and increase the dynamic capacity of the adsorbent. Experimental results demonstrate that modified clinoptilolite exhibits significant efficiency, comparable to synthetic zeolites, while offering substantial economic and environmental advantages. The industrial feasibility of the proposed sorbent was validated through pilot tests.

References

Kohl, A. L., & Nielsen, R. B. (1997). Gas Purification. 5th Edition. Gulf Professional Publishing. (Asl manba: Коуль А.Л., Ризенфельд Ф.К. Очистка газа. М.: Недра).

Breck, D. W. (1974). Zeolite Molecular Sieves: Structure, Chemistry, and Use. Wiley-Interscience. (Asl manba: Брек Д. Цеолитовые молекулярные сита. М.: Мир).

Mumpton, F. A. (1977). Mineralogy and Geology of Natural Zeolites. Mineralogical Society of America. Short Course Notes.

Stryuchkov, V. I. (1981). Technology for Purifying Natural Gas from Sulfur Compounds. Moscow: Nedra. (Asl manba: Стрючков В.И. Технология очистки природного газа от сернистых соединений. М.: Недра).

Tsitsishvili, G. V., Andronikashvili, T. G., Kirov, G. N., & Filizova, L. D. (1985). Natural Zeolites. Moscow: Khimiya. (Asl manba: Цицишвили Г.В. Природные цеолиты. М.: Химия).