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TESKARI OSMOS MEMBRANALARI UCHUN GIDROFILLASHTIRUVCHI SIO₂ NANOZARRALAR: TEM/EDS TAVSIFI VA ZARRACHA O‘LCHAMLARINI TAHLIL QILISH

Fan yo'nalishi:Energiya (turli xil)Qayta tiklanadigan energiya, barqarorlik va atrof -muhit
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MAQOLA ANNOTATSIYASI

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Annotatsiya. Kremniy dioksidi (SiO₂) nanozarralari sintez qilinib, nanokompozit teskari osmos membranalarini modifikatsiyalash uchun ularning imkoniyatlari baholandi. Transmissiyali elektron mikroskopiya natijalari asosan kvazi-sferik birlamchi zarrachalar tarmoqlangan agregatlar hosil qilishini ko‘rsatdi, zarracha o‘lchamlari esa asosan 10–25 nm oralig‘ida joylashgan. Tasvirlarni miqdoriy tahlil qilish natijasida zarrachalarning qariyb 71% i 20 nm dan kichik ekani va o‘rtacha diametri 18.4 ± 14.7 nm ekanligi aniqlandi. Gauss va log-normal modellashtirish o‘lchamlar assimmetriyasi asosan agregatsiya bilan bog‘liqligini ko‘rsatdi, bu esa yadrolanish va o‘sishdan keyingi qisman klasterlash jarayonlariga mos keladi. Energiya-dispersiv rentgen spektroskopiyasi SiO₂ ning stoxiometrik tarkibini tasdiqladi va aralashmalar aniqlanmadi, bu yuqori kimyoviy tozalikka ishora qiladi. Kichik zarracha o‘lchami, ierarxik morfologiya va tarkibiy barqarorlik membrana gidrofilligini oshirish, oqimni tiklash koeffitsientini yaxshilash hamda organik ifloslanishga chidamlilikni kuchaytirish imkonini beradi, shu bilan birga tuzlarni ajratish samaradorligi saqlanadi. Ushbu natijalar barqaror suv tozalash uchun ilg‘or nanokompozit teskari osmos membranalarida SiO₂ nanozarralarini qo‘llashga mustahkam strukturaviy asos yaratadi. Materiallar va usullar. SiO₂ nanozarralari nam-kimyoviy usulda sintez qilindi va TEM hamda EDS yordamida morfologiyasi va element tarkibi o‘rganildi. Zarracha o‘lchamlarining taqsimoti TEM tasvirlari asosida ImageJ–OpenCV algoritmi orqali (Gauss filtrlash, Otsu bo‘yicha chegaralash va konturlarni aniqlash) hisoblandi. Ekvivalent diametrlar proyeksiya maydonidan aniqlandi, statistik tahlil uchun Gauss va log-normal modellar qo‘llandi. Natijalar.TEM tahlili SiO₂ nanozarral

MUALIFLAR

Science ID: DTN-0225-0076

Science ID: PTV-1225-0005

Science ID: FTN-0225-0170

Science ID: FBX-0825-0013

Science ID: FTN-0825-0025

Science ID: MTN-0225-0037

Science ID: FSN-0825-0069

Teglar

# analysis# properties# distribution# nanoparticles# particle# membrane# membranes# size# nanocomposite# reverse# hydrophilicity# osmosis# sio₂# tem# antifouling

Maqolani baholang

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Foydalanilgan adabiyotlar

The United Nations World Water Development Report 2025. – Paris: UNESCO, 2025. – DOI: 10.54679/UTAH5608.

Peyki A., Rahimpour A., Jahanshahi M. Preparation and characterization of thin film composite reverse osmosis membranes incorporated with hydrophilic SiO₂ nanoparticles // Desalination. – 2015. – Vol. 368. – P. 152–158.

Shen H., Wang S., Xu H., Zhou Y., Gao C. Preparation of polyamide thin film nanocomposite membranes containing silica nanoparticles via in-situ polymerization // Journal of Membrane Science. – 2018. – Vol. 565. – P. 146–156.

Muhamad M.S., Salim M.R., Lau W.J., Yusop Z., Ismail A.F. Removal of bisphenol A using PES–SiO₂ composite membranes // Environmental Technology. – 2016. – Vol. 37. – P. 2635–2645.

Potapov V., Fediuk R., Gorev D. Membrane concentration of hydrothermal SiO₂ nanoparticles // Separation and Purification Technology. – 2020. – Vol. 250.

Sadik A.F., Mostafa E.M., El-Sherif R.M. Advanced functionalization of polysulfone membranes with green-synthesized silica and silica–silver nanocomposites for water desalination // Asian Journal of Green Chemistry. – 2025.

Shayo G.M., Elimbinzi E., Fabian C., Shao G.N. Enhancing water quality at the point of use through fabrication of silver nanoparticle impregnated ceramic water filters // Journal of the Indian Chemical Society. – 2025.

Saleem H., Zaidi S.J. Nanoparticles in reverse osmosis membranes for desalination: A state-of-the-art review // Desalination. – 2020. – Vol. 475.

El-Gendi A., Wu H., Firdaous L., Gong G. Progress and exploring the impact of nanomaterials in membranes for water desalination // Journal of Materials Science. – 2026.

Yang Z., Yin J., Deng B. Enhancing water flux of thin-film nanocomposite membrane by incorporation of bimodal silica nanoparticles // AIMS Environmental Science. – 2016.

Porozhnyy M., Shkirskaya S., Butylskii D., Nikonenko V. Physicochemical and electrochemical characterization of Nafion-type membranes with embedded silica nanoparticles: Effect of functionalization // Electrochimica Acta. – 2021.

Rathinam K., Abraham S., Oren Y., Kasher R. Surface-induced silica scaling during brackish water desalination: The role of surface charge and specific chemical groups // Environmental Science & Technology. – 2019. – Vol. 53. – P. 134–143.

Abdurakhmonov O.E., Vertaeva D.A., Yurtov E.V. Chemical Synthesis of Magnetic Materials of the Nd₂Fe₁₄B–SiO₂ Alloy of Core–Shell Nanocomposites // Lecture Notes in Networks and Systems. – 2023. – Vol. 252. – P. 63–73.

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