Page 38 - Special Issue Modern Trends in Scientific Research and Development, Case of Asia

International Journal of Trend in Scientific Research and Development (IJTSRD)
Special Issue on Modern Trends in Scientific Research and Development, Case of Asia
Available Online: www.ijtsrd.com e-ISSN: 2456 – 6470

Problems and Solutions of Natural Gas

Purification from Acidic Components

1
Obidov Hamid , Akhmedov Vohid
2
1 Trainee Researcher of the Department of Chemistry of the
Bukhara Institute of Engineering and Technology, Bukhara, Uzbekistan
2 Associate Professor of the Department of Chemistry of the
Bukhara Institute of Engineering and Technology, Bukhara, Uzbekistan

ABSTRACT above-mentioned resolutions and the resolution "on
Natural, organo mineral, synthetic and composite sorbents measures to accelerate the development of the chemical
are used all over the world to purify oil and gases from industry", as well as other regulations related to this activity,
acidic components, and their production increases every is an urgent task today[5-6]. Many scientists have carried out
year. 55% of them are used for cleaning natural and research on improving technologies for cleaning natural and
industrial gases from sulfur-containing organic compounds, secondary gases from sulfur compounds with composite
mercaptans, carbonyl sulfide, carbon disulfide, carbon sorbents. Y. Axelrod, S. Blank, A. Cole, H. Man, A. Afanasiev, D.
dioxide and other sulfur-containing compounds. Kemplbel, V. Rogozin, V. Mastek, A. Lunin, E. Dillon, Yu. g.

Frolov, A.A. Alimov, B. N. Khamidov, M. P. Yunusov, V. P.

KEYWORDS: industrial gases, sulfur-containing organic Guro, S. M. Turobzhonov, G. Rakhmatkariev and others. At
compounds, mercaptans, carbonyl sulfide, carbon disulfide, the same time, scientific research is currently underway to
carbon dioxide obtain new effective additives based on secondary resources
and production waste for the synthesis of composite
INTRODUCTION sorbents, as well as the use of these additives to improve the
Today in the world developed technology of synthesis of new anticorrosion of equipment with a high absorption volume,
types of nanostructured sorbents, their use for the
low absorption and desorption temperature, low foaming,
purification of acid gas mixtures produced in the processing low consumption of absorbents, ensuring a longer service
of oil and gas, stability of the physico-chemical properties of life, technological, practical, environmental and economic
sorbents and improve environmental conditions in aspects of new composite sorbents based on diethanolamine
processing factories , scientific research recycling of and methyl diethanolamine have been studied.
sorbents[1]. In recent years, our country has focused on
methods for cleaning natural and exhaust gases from sulfur- METHOD
containing organic compounds, mercaptans, carbonyl sulfide However, in all cases, the main focus is on cleaning up sulfur
(COS), carbon monoxide, carbon disulfide (CS2) and sulfide compounds, and little attention is paid to cleaning up natural
esters (RSR), as well as in the oil and gas processing industry gas from gas deposits with high levels of carbon monoxide.
[2-4].Certain results are being achieved in the development MDEA was selected as the most suitable absorbent for
of new high-performance composite absorbers for gas
natural gases that together contain sulfur compounds and
purification and in the improvement of purification carbon monoxide. The best way to solve this problem is to
technologies. The strategy of actions for further development chemically absorb carbon monoxide before natural gas
of the Republic of Uzbekistan defines the tasks "to raise the enters the absorbent. This, in turn, not only reduces
industry to a qualitatively new level, deep processing of local corrosion, but also reduces the consumption of MDEA by 2
raw materials, acceleration of production of finished times. In this work, the physical and chemical properties of
products, development of new types of products and sorbents were used, and their structure was studied by IR
technologies". In this regard, scientific research is aimed at spectroscopy, potentiometry, photocolorimetry, gas
creating new composite absorbers with different functional chromatography, thermogravimetry, and other modern
groups intended for cleaning gases from high-sulfur methods of analysis.
components in natural gas processing and chemical
industries. Decree of the President of the Republic of
RESULT
Uzbekistan dated February 7, 2017 №.PD-4947 "On the It is also possible to reduce the carbon monoxide content of
strategy of actions for the development of Uzbekistan for gas supplied to the population to 0.1-0.3% instead of the
2017-2021", №. PD-4891 dated April 6, 2017 "on critical 3
current 1.6%. If 1 million m of gas is produced per day in
analysis of the volume and composition of goods (works, gas fields, the amount of carbon monoxide in it will be
services), deepening localization of import-substituting 16,000 m . If this amount of methane gas is used instead of
3
production", №. PD-3689 dated may 21, 2018. "On additional carbon monoxide, the same amount of methane gas will
measures to improve mechanisms for introducing
burn:
innovations in industries and sectors of the economy", CH4 + 2O2 = CO2 + 2H2O + 878 kJ
September 21, 2018 №. PD-5544 "on approval of the
strategy for innovative development of the Republic of In this case, you can get 627142 kJ of heat. It is not difficult to
Uzbekistan for 2019-2021", 2018 №. PD-3983 dated October
understand how long it will last for a car, apartment or other
25 of the Republic of Uzbekistan. The implementation of the room. If 16,000 m of carbon monoxide is converted to the
3

ID: IJTSRD35816 | Special Issue on Modern Trends in Scientific Research and Development, Case of Asia Page 33