Cu2+ZSM-5 SEOLITIDA TOLUOL ADSORBSIYASINING DIFFERENSIAL ISSIQLIKLARI VA ENTROPIYASI

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Nashr qilingan: okt 26, 2023
Kalit so‘zlar:
seolit, silikalit, adsorbsiya, adsorbsion markazlar, issiqlik, entalpiya, erkin energiya, entropiya, mikrokalorimetr, toluol.

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Хаёт Бахронов
Tashkent University of Information Technologies named after Muhammad al-Khwarizmi
Ойбек Эргашев
Namangan Engineering and Technology Institute
Назирахон Эсонкулова
Namangan Engineering and Technology Institute
Фируза Рахматкариева
Institute of General and Inorganic Chemistry of the Academy of Sciences of the Republic of Uzbekistan
Ильмира Абсалямова
Tashkent University of Information Technologies named after Muhammad al-Khwarizmi

Annotatsiya

Ushbu maqolada CuZSM-5 zeolitida toluol adsorbsiyasining differentsial issiqliklari va entropiyasi natijalari keltirilgan. Adsorbsiyaning differentsial issiqligini o‘lchash uchun biz universal yuqori vakuumli adsorbsion qurilma va unga ulangan Tiana-Calve tipidagi DAK-1-1A differentsial modifikatsiyalangan mikrokalorimetrdan iborat tizimdan foydalandik, bu esa to‘g‘ridan-to‘g‘ri adsorbsion o‘zaro ta'sirning tabiati va kuchlarining ham miqdoran va ham sifatan tavsiflarini beradi. Adsorbsion-energiya xarakteristikalari o‘rtasidagi bog‘liqlik aniqlandi va butun to‘ldirish maydonida CuZSM-5 zeolitida toluol adsorbsiyasining molekulyar mexanizmi aniqlandi. CuZSM-5 zeolitida adsorbsiyalangan toluol Cu2+ kationi bilan birinchi koordinatsion sferada joylashib, dimer komplekslarni hosil qiladi. Zaryad zichligi adsorbsiya mexanizmiga, energiyasiga va adsorbsiyalangan molekulalar soniga sezilarli ta'sir ko‘rsatishi aniqlandi. CuZSM-5 seolitida toluol adsorbsiyasining oʻrtacha molyar entropiyasi seolitdagi toluol molekulalarining harakatchanligi suyuq fazadan past boʻlishini va qattiq fazaning harakatchanligiga yaqin ekanligini koʻrsatadi, bu esa toluol molekulalarining harakatchanligi kuchli tormozlanganligidan dalolat beradi.

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Qanday qilib iqtibos keltirish kerak
Бахронов, Х., Эргашев, О., Эсонкулова, Н., Рахматкариева, Ф., & Абсалямова, И. (2023). Cu2+ZSM-5 SEOLITIDA TOLUOL ADSORBSIYASINING DIFFERENSIAL ISSIQLIKLARI VA ENTROPIYASI. Farg’ona Davlat Universiteti, 29(2), 134. Retrieved from https://journal.fdu.uz/index.php/sjfsu/article/view/2388
Maqola
№. 2 (2023): FarDU ilmiy xabarlar jurnali (Aniq va tabiiy fanlar)
Bo‘lim
Kimyo
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Mualliflar biografiyasi

Хаёт Бахронов, Tashkent University of Information Technologies named after Muhammad al-Khwarizmi

доктор химических наук, доцент, Ташкентский Университет Информационных Технологии имени Мухаммада ал-Хоразмий

Ойбек Эргашев, Namangan Engineering and Technology Institute

доктор химических наук, профессор, Наманганский Инженерно-Технологический Институт

Назирахон Эсонкулова, Namangan Engineering and Technology Institute

базовый докторант, Наманганский Инженерно-Технологический Институт

Фируза Рахматкариева, Institute of General and Inorganic Chemistry of the Academy of Sciences of the Republic of Uzbekistan

доктор химических наук, старший научный сотрудник, Институт общей и неорганической химии АН РУЗ

Ильмира Абсалямова, Tashkent University of Information Technologies named after Muhammad al-Khwarizmi

ассистент, Ташкентский Университет Информационных Технологии имени Мухаммада ал-Хоразмий

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