نتایج جستجو برای: دیاتومیت

تعداد نتایج: 23  

Introduction: One of the factors that affects the rate of adsorption and removal of pollutants is the level of bed surface. Today, the use of active carbon substrates, synthetic zeolite such as Y and ZSM-5, are of great efficiency due to their high surface. In this research, diatomite modification was carried out using chemical and thermal processes to increase the bed surface and also the amou...

ژورنال: طلوع بهداشت یزد 2016
خدابنده لو, علی اکبر, درویشی چشمه سلطانی, رضا, طراحی, محمدجواد, فاضلی نیا, فاطمه, گودینی, حاتم,

Introduction: The presence of organic dyes, discharged by textile industries, in aqueous environments can cause detrimental effects on aquatic life and subsequently human health. Therefore, the decolorization of aquatic environments is mandatory to protect the environment. For this reason, in the present study, nano-sized diatomite was immobilized within calcium alginate as a nanocomposite adso...

ژورنال: سلامت و محیط زیست 2016
امینی, شورش, تیموری, پری, دهستانی اطهر, سعید, رشاد منش, ناصر, شاهمرادی, بهزاد, ملکی, افشین,

Background and Objectives: Fluoride has both beneficial and detrimental effects on health. Therefore, it is important to determine its concentration in drinking water. Dental fluorosis and skeletal fluorosis are health effects caused by long term exposure to high levels of fluoride in drinking water. The aim of this research was to investigate fluoride removal using modified diatomite-supported...

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