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Physical Chemistry Research، جلد ۱۲، شماره ۱، صفحات ۱۰۹-۱۱۹
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عنوان انگلیسی Steam Regeneration of Exhausted Activated Carbon Used in Natural Gas Dehydration by a Triethylene Glycol Unit
چکیده انگلیسی مقاله This study investigated the optimization of regeneration of exhausted activated carbon (EAC) by hydrocarbons used in natural gas dehydration plants. Various methods were used including chemical, thermal, and steam regeneration. The experimental results demonstrated the effectiveness of steam regeneration of EAC at low temperatures, which was further enhanced by pre-regenerating EAC with dilute acid (2.5% hydrochloric acid). In addition, an evaluation of the regenerated activated carbon (RAC)’s performance against hydrocarbons from exhausted triethylene glycol (ETEG) was conducted using three parameters: the iodine number in EAC, the refractive index, and the density of triethylene glycol (TEG) regenerated for testing the adsorption capacity. The results showed that the adsorption capacity of RAC to hydrocarbons from ETEG increased with rising temperature, resulting in highly pure, hydrocarbon-free TEG suitable for use in natural gas TEG dehydration plants. The optimized steam regeneration method with dilute acid pre-treatment demonstrated significant potential for improving the efficiency and sustainability of natural gas dehydration processes. These findings have important implications for the design and operation of steam regeneration units in industrial settings. Moreover, this study contributes to the growing body of research on sustainable and cost-effective methods for hydrocarbon removal in the gas processing industry.
کلیدواژه‌های انگلیسی مقاله Steam regeneration,Exhausted activated carbon,Iodine number,Triethylene Glycol,Regeneration efficiency
نویسندگان مقاله Djamila Brahimi |
Department of Process Engineering, Faculty of Technology, University Amar Telidji of Laghouat, BP 37G route of Ghardaïa, Laghouat 03000, Algeria

Abbas Allali |
Department of Process Engineering, Faculty of Technology, University Amar Telidji of Laghouat, BP 37G route of Ghardaïa, Laghouat 03000, Algeria. Sonatrach, Oil & Gas Exploration and Services, Rhourde El Baguel, Hassi Messaoud (Ouargla), Algeria

Youcef Bounadja |
Department of Process Engineering, Faculty of Technology, University Amar Telidji of Laghouat, BP 37G route of Ghardaïa, Laghouat 03000, Algeria

Mohamed Hassen Sellami |
Process Engineering Laboratory (PEL), Kasdi Merbah University, Ouargla 30000, Algeria

نشانی اینترنتی https://www.physchemres.org/article_170309_605ed76b47bd5b0ceb64436d24286394.pdf
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