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calendar9 ноябр 2022
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TABIIY POLIMERLARGA SUN’IY ERITMALARDAGI Pb (II) IONLARINING SORBSIYA KINETIKASI

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MAQOLA ANNOTATSIYASI

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Ushbu ishda biologik chiqindi polimer hisoblangan soch tolalariga sun’iy eritmalar tarkibidagi qo‘rg‘oshin ionlarini yutilish kinetikasi o‘rganilgan. Bunda psevdo-birinchi va ikkinchi tartibli kinetik modellar yordamida kinetika o‘rganilgan bo‘lib, olingan natijalar faollangan soch tolalariga Pb(II) ionlarini yutilishi psevdo-ikkinchi tartibli kinetik modelga bo‘ysunishini ko‘rsatdi. Qo‘rg‘oshin maksimal yutilish sig‘imi 76,125 mg/g ni tashkil qilgan. Muvozanat holatidagi adsorbsiya mexanizmini ifodalash uchun Lengmyur va Freundlix izoterma modellaridan foydalanildi. Olingan natijalar asosida hisoblab topilgan izoterma parametrlari (R2=0,9333 va R2=0,9281) qiymati barcha izoterma modellariga mos kelganligi aniqlandi. Freundlix parametrlari qiymatiga ko‘ra n=2,74 bo‘lib, bu esa sorbsiya yuqori darajada borganligini ko‘rsatadi. Lengmyur tenglamasi bo‘yicha korrelatsion koeffitsiyenti R2 qiymati Pb(II) ionlari uchun 0,9333 ga teng va konsentratsiya o‘zgarishi adsorbsiya jarayoni Lengmyur monomolekulyar adsorbsiya nazariyasiga bo‘ysunishini (RL - qulay bo‘lishi) ko‘rsatadi. Bu esa faollangan soch tolalariga Pb(II) ionlari sorbsiyalanishini ko‘rsatadi.

MUALIFLAR

SH.Yarmanov

National University of Uzbekistan named after Mirzo Ulugbek

F.Xurramova

National University of Uzbekistan named after Mirzo Ulugbek

S.Zokirov

National University of Uzbekistan named after Mirzo Ulugbek

S.Botirov

National University of Uzbekistan named after Mirzo Ulugbek

A.Inxonova

National University of Uzbekistan named after Mirzo Ulugbek

Teglar

# кинетика# kinetics# адсорбент# adsorbent# kinetika# Ленгмюр# Langmuir# Lengmyur# Qo‘rg‘oshin ionlari(Pb2+)# soch tolasi# psevdo-birinchi tartib# psevdo-ikkinchi tartib# Ионы свинца (Pb2+)# волосяное волокно# псевдо-первый порядок# псевдо-второй порядок# Lead ions (Pb2+)# hair fiber# pseudo-first order# pseudo-second order

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Maqola idintifikatorlari

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