نتایج جستجو برای: bio adsorption

تعداد نتایج: 114480  

Journal: :ChemBioEng reviews 2023

Because of their ubiquitous industrial usage, dyes are significant water pollutants. Adsorption is an effective method for eliminating colors from tainted water. In the twenty-first century, industrialization growing at a dizzying rate. During this stage, more noble and used. These hues contribute to wide range contaminants, including water, soil, air pollution. The objective report just discus...

Journal: :Chemosphere 2021

This study has demonstrated, for the first time, a simple, fast and flexible microwave processing method simultaneous preparation of bio-products (bio-oil, bio-gas biochar) using methodology that avoids any form catalyst or chemical activation. The dielectric properties biomass physicochemical characterisation such as TGA, elemental proximate analysis, XRD, SEM/EDX textural properties, showed 8...

Journal: :E3S web of conferences 2021

In this paper, waste coconut shells are used as raw materials to prepare the corresponding bio-char (BC), and further magnetically modified magnetic (MBC), explore adsorption of BC MBC on amount adsorbent, time pH. The recyclability were contrasted. results study found that compared BC, has a larger specific surface area richer functional groups, which provides more sites for removal tetracycli...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده عمران 1394

حضور نفت و مشتقات آن در خاک منجر به آلودگی خاک شده و می تواند چرخه های زیستی موجود در طبیعت را مختل کرده و حتی در نهایت منجر به آلودگی آب زیرزمینی به عنوان اصلی ترین منبع آب آشامیدنی گردد. آلودگی های نفتی، از جمله رایج ترین و خطرناک ترین آلاینده هایی هستند که باعث آلودگی محیط زیست می شوند. روش های زیستی پاکسازی آلودگی خاک به عنوان روش های کم هزینه و دوستدار محیط زیست شناخته شده اند. فرایند زیست...

Heavy metal contamination in the environment could cause harmful effects both to human health and aquatic life. Numerous remediation methods had been developed to encounter with the contamination problem prior to degrade, decrease and to purify the contaminated water at minimal concentration as low as possible. Therefore, in current study, commercialized chicken eggshells and hybrid Akar Pu...

Journal: :Dalton transactions 2014
Fan Dong Qiuyan Li Ying Zhou Yanjun Sun Haidong Zhang Zhongbiao Wu

Novel plasmonic 0D Ag nanocrystal decorated 3D (BiO)2CO3 hierarchical microspheres were fabricated with a one-pot hydrothermal method. The as-prepared samples were systematically characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, N2 adsorption-desorption isotherms, X-ray photoelectron spectroscopy, UV-vis diffuse reflectance spectroscopy, photolu...

Journal: :The Biochemical journal 1973
S Barry P O'Carra

1. Three established methods for immobilization of ligands through primary amino groups promoted little or no attachment of NAD(+) through the 6-amino group of the adenine residue. Two of these methods (coupling to CNBr-activated agarose and to carbodi-imide-activated carboxylated agarose derivatives) resulted instead in attachment predominantly through the ribosyl residues. Other immobilized d...

2017
Tamara Llano Natalia Quijorna

Detoxification is required for sugar bioconversion and hydrolyzate valorization within the biorefining concept for biofuel or bio-product production. In this work, the spent sulfite liquor, which is the main residue provided from a pulp mill, has been detoxified. Evaporation, overliming, ionic exchange resins, and adsorption with activated carbon or black carbon were considered to separate the ...

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