نتایج جستجو برای: bio sorbent

تعداد نتایج: 63826  

Journal: :Chemical engineering journal advances 2022

Abundant fruit waste materials can be utilized as sustainable biosorbents for heavy metal removal from aqueous solutions. In this study, mango seed (MS) comprising kernel and shell showed the maximum adsorption capacities of 263.4 mg-Pb/g at pH 5.0 93.7 mg-Cd/g 7.5. The best fitting isotherms to Redlich-Peterson model indicated multilayer Pb(II) Cd(II) on heterogeneous surface MS. was rapid wit...

Journal: :تحقیقات آب و خاک ایران 0
احسان قانع دانشجوی کارشناسی ارشد آبیاری و زهکشی گروه مهندسی آب دانشکدة علوم کشاورزی دانشگاه گیلان مریم نوابیان استادیار گروه مهندسی آب دانشکدة علوم کشاورزی دانشگاه گیلان مهدی اسمعیلی ورکی استادیار گروه مهندسی آب دانشکدة علوم کشاورزی دانشگاه گیلان امیر ملک پور اسطلکی استادیار گروه مهندسی آب دانشکدة علوم کشاورزی دانشگاه گیلان

drain envelopes play significant roles in the performance of drainage systems due to theirreduction in letting sediments into the drainpipes and also because of an increase in thehydraulic conductivity of soil around the drainpipes. throughout the present research, theeffect of a one 1000 hour flow on dual envelopes consisting of geotextile as a means ofimproving the hydraulic gradient and rice...

Journal: :Caliphate Journal of Science and Technology 2022

Zero-valent iron nano-particle (nZVI) was modified with Spondias mombin (Sm) leaves extract (Sm-nZVI) for the removal of total petroleum hydrocarbons (TPH), hydrocarbon content (THC), and polycyclic aromatic (PAHs) from contaminated soil. Advanced analytical tools such as Fourier Transform Infra-Red (FT-IR) Spectrophotometer, Scanning Electron Microscope(SEM) X-ray diffractometer (XRD) were use...

In this study, an easy synthesized method for preparation of chitosan/iron oxide nanocomposite as a bio-sorbent has been applied. Analytical techniques such as Fourier transform infrared spectroscopy, X-ray diffraction; Field emission scanning electron microscopy and transmission electron microscopy were utilized to survey of morphological structure and the functional groups characterization. T...

Journal: :environmental health engineering and management 0
sana abedini water and wastewater engineering, islamic azad university, bandar abbas branch, bandar abbas, iran vali alipour environmental health engineering department, hormozgan university of medical sciences, bandar abbas, iran

background: cadmium (cd) is a heavy metal that is widely utilized in industries and contaminates soil and groundwater. there are several environmental problems related to cadmium, therefore, the technical and economic methods of removing cd are of great importance. so this study was conducted to evaluate the efficiency of a type of plant to remove the cd from aqueous environments. methods: in t...

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2010
Javad Zolgharnein Zhaleh Adhami Ali Shahmoradi S Norollah Mousavi

Platanus tree leaves were successfully used as a novel sorbent for removing of methylene blue (MB) dye from aqueous solutions. A 2(3) full factorial design was performed for screening of the main factors. The pH, initial concentration of dye (C(d)) and amount of sorbent (m) were considered to be the three main factors at two different levels. It was found that all these factors and their intera...

Journal: :Food chemistry 2013
Ezzatolla Najafi Forouzan Aboufazeli Hamid Reza Lotfi Zhad Omid Sadeghi Vahid Amani

In this work a novel ion imprinted polymer (IIP) based on N-(pyridin-2-ylmethyl)ethenamine (V-Pic) was coated on Fe3O4 nano-particles and characterized by thermal gravimetric and differential thermal analysis (TG/DTA), IR spectroscopy, Scanning electron microscopy (SEM) and also elemental analysis. The application of this novel magnetic sorbent was investigated in rapid extraction, preconcentra...

Journal: :Home hemodialysis international. International Symposium on Home Hemodialysis 1999
M Roberts D B N Lee

Ideally, an artificial kidney should simulate the normal kidney in providing continuous metabolic control, removal of toxins, and unrestricted patient freedom. Of the dialysis procedures available, continuous ambulatory peritoneal dialysis (CAPD) comes the closest to this ideal but provides inadequate dialysis and fails to remove protein-bound toxins. A continuous, wearable, peritoneal-based ar...

Journal: :Analytical and bioanalytical chemistry 2003
Jamal A Sweileh

Human hair shavings were characterized as a sorbent for trace metals. At pH 7.0 metal sorption follows the order Pb(II)>Cd(II)>Cr(VI)>Fe(III)>Cu(II)>Ni(II)>Mn(VI). Metal recovery is quantitative for Pb and Cd after 30 min of equilibration. Recovery of other metals is less quantitative and varies with pH. For example, while Cu is best recovered at pH 5, Ni and Mn are sorbed optimally in the basi...

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