An Alternative Approach of Toxic Heavy Metal Removal by Arthrobacter phenanthrenivorans:Assessment of Surfactant Production and Oxidative Stress

2016 ◽  
Vol 110 (11) ◽  
pp. 2124 ◽  
Author(s):  
Goutam Banerjee ◽  
Arun Kumar Ray ◽  
Shubhant Pandey ◽  
Ravi Kumar
Keyword(s):  
Oxidative Stress ◽  
Heavy Metal ◽  
Metal Removal ◽  
Heavy Metal Removal ◽  
Toxic Heavy Metal ◽  
Alternative Approach ◽  
Surfactant Production ◽  
And Oxidative Stress

scholarly journals STUDY ON SYNTHESIS OF MnFe2O4/GNPs COMPOSITE AND APPLICATION ON HEAVY METAL REMOVAL

2018 ◽  
Vol 56 (1A) ◽  
pp. 204
Author(s):  
Nguyen Duy Anh
Keyword(s):  
Heavy Metal ◽  
Metal Oxide ◽  
Metal Removal ◽  
Metal Oxide Nanoparticles ◽  
Heavy Metal Removal ◽  
Absorption Capacity ◽  
Mixed Metal Oxide ◽  
Oxide Nanoparticles ◽  
Toxic Heavy Metal ◽  
Mixed Metal

Nowadays, composite materials between mixed-metal oxides and graphene are widely studied due to their multiple applications on different fields. MnFe2O4 is a magnetic material which has the ability to absorb toxic heavy metal in water. Graphene nanoplatelets (GNPs) with about 10 layers, is one of type of graphene. GNPs was used as matrix for the fine distribution of metal oxide nanoparticles. Surface area for the absorption process can be increased. Composite was synthesized using solvothermal method, in which mixed-metal oxide nanoparticles were directly formed in-situ from precursor salts onto GNPs surface. Synthesized material was analyzed using XRD, SEM and EDX methods to determine its properties. Heavy metal absorption capacity was also studied and showed good results.

scholarly journals Graphene-Based Microbots for Toxic Heavy Metal Removal and Recovery from Water

Nano Letters ◽  
2016 ◽  
Vol 16 (4) ◽  
pp. 2860-2866 ◽  
Author(s):  
Diana Vilela ◽  
Jemish Parmar ◽  
Yongfei Zeng ◽  
Yanli Zhao ◽  
Samuel Sánchez
Keyword(s):  
Heavy Metal ◽  
Metal Removal ◽  
Heavy Metal Removal ◽  
Toxic Heavy Metal ◽  
Removal And Recovery

Removal of cadmium(II) ions from aqueous solution using Ni (15 wt.%)-doped α-Fe2O3 nanocrystals: equilibrium, thermodynamic, and kinetic studies

2015 ◽  
Vol 72 (4) ◽  
pp. 608-615 ◽  
Author(s):  
Mohamed OuldM'hamed ◽  
L. Khezami ◽  
Abdulrahman G. Alshammari ◽  
S. M. Ould-Mame ◽  
I. Ghiloufi ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Free Energy ◽  
Thermodynamic Parameters ◽  
Adsorption Process ◽  
Metal Removal ◽  
Heavy Metal Removal ◽  
Kinetic Studies ◽  
Entropy Change ◽  
Batch Mode ◽  
Toxic Heavy Metal

The present publication investigates the performance of nanocrystalline Ni (15 wt.%)-doped α-Fe2O3 as an effective nanomaterial for the removal of Cd(II) ions from aqueous solutions. The nanocrystalline Ni-doped α-Fe2O3 powders were prepared by mechanical alloying, and characterized by X-ray diffraction and a vibrating sample magnetometer. Batch-mode experiments were realized to determine the adsorption equilibrium, kinetics, and thermodynamic parameters of toxic heavy metal ions by Ni (15 wt.%)-doped α-Fe2O3. The adsorption isotherms data were found to be in good agreement with the Langmuir model. The adsorption capacity of Cd(II) ion reached a maximum value of about 90.91 mg g−1 at 328 K and pH 7. The adsorption process kinetics was found to comply with pseudo-second-order rate law. Thermodynamic parameters related to the adsorption reaction, free energy change, enthalpy change and entropy change, were evaluated. The found values of free energy and enthalpy revealed a spontaneous endothermic adsorption-process. Moreover, the positive entropy suggests an increase of randomness during the process of heavy metal removal at the adsorbent–solution interface.

Investigation on Heavy Metal Removal from a Crude Oil Contaminated Soil using Rhamnolipid Biosurfactant as a New Eco-Friendly Method

2020 ◽  
Vol 57 (6) ◽  
pp. 515-520
Author(s):  
Nayyereh Kholghi ◽  
Hossein Amani ◽  
Shokoufeh Malekmahmoodi ◽  
Alireza Amiri
Keyword(s):  
Heavy Metal ◽  
Crude Oil ◽  
Contaminated Soil ◽  
Metal Removal ◽  
Heavy Metal Removal ◽  
Rhamnolipid Biosurfactant

Author response for "Use of fibroin polypeptide from silk processing waste as an effective biosorbent for heavy metal removal"

2020 ◽  
Author(s):  
Yifeng Huang ◽  
Muhammad Usman Farooq ◽  
Prodip Kundu ◽  
Swapnali Hazarika ◽  
Xianshe Feng
Keyword(s):  
Heavy Metal ◽  
Metal Removal ◽  
Heavy Metal Removal ◽  
Author Response ◽  
Processing Waste

Research trends of heavy metal removal from aqueous environments

2021 ◽  
Vol 287 ◽  
pp. 112322
Author(s):  
Morteza Nazaripour ◽  
Mir Amir Mohammad Reshadi ◽  
Seyed Ahmad Mirbagheri ◽  
Mehdi Nazaripour ◽  
Alireza Bazargan
Keyword(s):  
Heavy Metal ◽  
Metal Removal ◽  
Heavy Metal Removal ◽  
Research Trends ◽  
Aqueous Environments
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