Raziyeh Zandipak
Young Researchers and Elite Club, Hamadan Branch, Islamic Azad University, Hamadan, Iran
[ 1 ] - Adsorption of Co(II) ions from aqueous solutions using NiFe2O4 nanoparticles
In this study, NiFe2O4 nanoparticles (NiFe2O4 NPs) were prepared through co-precipitation method and subsequently used for the removal of Co(II) ions from aqueous solutions. The NiFe2O4 NPs were characterized by transmission electron microscopy (TEM), X-ray diffraction spectrometry (XRD), and Brunauer-Emmett-Teller (BET) surface area analysis. In batch tests, the effects of variables such as pH...
[ 2 ] - Removal of Cr(VI) Ions from Aqueous Solutions Using Nickel Ferrite Nanoparticles: Kinetic and Equilibrium Study
Background & Aims of the Study: Heavy metals are the most important and main pollutants because of their accumulation and high toxicity even at very low dose and cause serious hazards to ecological system as well as human health. Thus, their removal has been challenged from drinking water and industrial waters with different technologies. The purpos...
[ 3 ] - ارزیابی کارایی سبوس برنج در تصفیه پسابهای حاوی فلزات سنگین
زمینه و هدف: سبوس برنج بهعنوان یک ماده زاید جامد آلی از توانایی بالایی در حذف فلزات سنگین از پساب برخوردار است و می‌تواند در تصفیه پسابهای صنعتی که از مهمترین منابع آلاینده آب و خاک به فلزات سنگین هستند، بسیار مفید و کارآمد باشد. این مطالعه با هدف بررسی حذف فلزات سنگین کروم سه ظرفیتی و مس دو ظرفیتی از محلول‌های حاوی این فلزات انجام یافت. روش برسی: با اضافه کردن سبوس برنج به محیط واکنش، مقدا...
[ 4 ] - Removal of Anionic Dyes (Direct Blue 106 and Acid Green 25) from Aqueous Solutions Using Oxidized Multi-Walled Carbon Nanotubes
Background and purpose:The presence of dyes in wastewaters may cause serious problems for the environment because of their high toxicity to aquatic organisms and unfavorable aesthetical impact. In the present study, multi-walled carbon nanotubes (MWCNTs) were used for removal of anionic dyes Direct Blue 106 (DB106) and Acid Green 25 (AG25), from water samples. Materials and Methods:MWCNTs were ...
[ 5 ] - حذف رنگ متیل اورانژ از محیط‌های آبی با استفاده از نانوذرات مغناطیسی نیکل: مطالعه تعادلی و سینتیکی
Background and Objective: Dyes are important pollutants that lead to producing serious hazards to human, other animals and organisms. Dyes are not biodegradable by aerobic treatment processes. Therefore, their removal from industrial effluents before discharging into the environment requires extreme and great attention. The aim of this research was to evaluate removal efficacy of methyl orange ...
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