نتایج جستجو برای: hexadecyltrimethylammonium bromide

تعداد نتایج: 17323  

Journal: :Water 2021

Carbamazepine (CBZ) is the most frequently detected pharmaceutical residues in aquatic environments effluent by wastewater treatment plants. Batch and column experiments were conducted to evaluate removal of CBZ from ultra-pure water plant (WWTP) using raw zeolitic tuff (RZT) surfactant modified zeolite (SMZ). Point zero net charge (pHpzc), X-ray diffraction (XRD), fluorescence (XRF), Fourier T...

Journal: :Journal of water process engineering 2022

In the present study, we investigated comparatively role of hexadecyltrimethylammonium bromide (HDTMA) in enhancing adsorption and photocatalytic activity BiPO4 coated montmorillonite (M-BiPO4), smectite (S-BiPO4). Montmorillonite has large interlayer spacing compared to smectite. Firstly, it was found that simple hybridization with clays led enhance visible light response. The co-fixation HDTM...

Journal: :Colloids and Surfaces A: Physicochemical and Engineering Aspects 2022

Aggregation of the nanoparticles is a natural phenomena due to various biological and physical parameters but these aggregates are highly unstable. If would have been stable then it might be useful for some biomedical applications. To study optical properties photothermal heat generation metal nanopartilces, we present forced synthesis small gold nanorods in mixture Dulbecco's Modified Eagle's ...

Journal: :Journal of Colloid and Interface Science 2021

Nanoconfined water exhibits various interesting properties, which are not only of fundamental importance but also practical use. Because reverse micelles (RMs) provide versatile ways to prepare nanoconfined water, the understanding their physicochemical properties is essential for developing efficient applications. Although in RMs could be affected by its interaction with RM interface, details ...

Journal: :Sains Malaysiana 2021

In this study, a series of mesoporous silica nanoparticle (MSN) was successfully synthesized using different ionic liquids (ILs) as template. Five ILs and surfactant with alkyl side chains types anion namely 1-dodecyl-3-methylimidazolium iodide ([C12mim][I]), 3-diethylamino propanol vanillate (DV), 2-butylamino ethanol salicylate (BS), (DS), 1-butyl-3-methylimidazolium bis(trifluoromethylsulfon...

Journal: :Frontiers in Materials 2022

The photocatalytic process over semiconducting oxide surfaces has attracted worldwide attention as a potentially efficient, environmentally friendly, and low-cost method for wastewater treatment. This study presents straightforward, inexpensive, rapid route the synthesis of nickel (NiO) its composites with zinc (NiO/ZnO) copper (NiO/CuO) nanoparticles through chemical precipitation using cappin...

Journal: :تحقیقات نظام سلامت 0
بیژن بینا استاد، مرکز تحقیقات محیط زیست و گروه بهداشت محیط، دانشکده بهداشت دانشگاه علوم پزشکی اصفهان، اصفهان، ایران افشین ابراهیمی استادیار، مرکز تحقیقات محیط زیست و گروه بهداشت محیط، دانشکده بهداشت دانشگاه علوم پزشکی اصفهان، اصفهان، ایران امیر محمدی انشجوی کارشناسی ارشد، کمیته تحقیقات دانشجویی، گروه بهداشت محیط، دانشکده بهداشت و مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران محمد مهدی امین دانشیار، مرکز تحقیقات محیط زیست و گروه بهداشت محیط، دانشکده بهداشت دانشگاه علوم پزشکی اصفهان، اصفهان، ایران حمیدرضا پورزمانی دانشجوی کارشناسی ارشد، کمیته تحقیقات دانشجویی، دانشکده بهداشت و مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران.

background: natural organic compounds are known as precursors in the formation of disinfection byproducts. the aim of this study was to evaluate of effect of modified cationic surfactant nano zeolite in the removal of humic acid (ha) from water. materials and methods: nano zeolite (clinoptilolite) was modified by cationic surfactant solution hexadecyltrimethylammonium bromide (hdtma-br), in dos...

2018
Jiang Zhu Xuelian Yan Jiang Cheng

Antimony sulfide (Sb2S3) has been applied in photoelectric devices for a long time. However, there was lack of information about Sb2S3 quantum dots (QDs) because of the synthesis difficulties. To fill this vacancy, water-soluble Sb2S3 QDs were prepared by hot injection using hexadecyltrimethylammonium bromide (CTAB) and sodium dodecyl sulfate (SDS) mixture as anionic-cationic surfactant, alkano...

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