Kinetic and Equilibrium Studies on Adsorptive Removal of Toluidine Blue by Water-Insoluble Starch Sulfate

2011 ◽  
Vol 56 (5) ◽  
pp. 1875-1881 ◽  
Author(s):  
Lei Guo ◽  
Guiying Li ◽  
Junshen Liu ◽  
Songmei Ma ◽  
Jinfeng Zhang
Keyword(s):  
Toluidine Blue ◽  
Equilibrium Studies ◽  
Adsorptive Removal

ADSORPTIVE REMOVAL OF Cu (II) IONS BY DATE PITS: KINETIC AND EQUILIBRIUM STUDIES

2016 ◽  
Vol 15 (12) ◽  
pp. 2719-2732 ◽  
Author(s):  
Tarek E. Khalil ◽  
Hossam Altaher ◽  
Reda Abubeah
Keyword(s):  
Equilibrium Studies ◽  
Adsorptive Removal ◽  
Date Pits

scholarly journals A facile, versatile approach to hydroxyl-anchored metal oxides with high Cr(VI) adsorption performance in water treatment

2016 ◽  
Vol 3 (11) ◽  
pp. 160524 ◽  
Author(s):  
Ji Ma ◽  
SiZhi Zuo-Jiang ◽  
Yunhao He ◽  
Qinglei Sun ◽  
Yunguo Wang ◽  
...  
Keyword(s):  
High Performance ◽  
Hydroxyl Groups ◽  
High Concentration ◽  
Equilibrium Studies ◽  
Surface Hydroxyl ◽  
Adsorptive Removal ◽  
Surface Hydroxyl Groups ◽  
High Maximum ◽  
Ph Range ◽  
Hydroxyl Protons

In this study, a facile and versatile urea-assisted approach was proposed to synthesize Chinese rose-like NiO, pinecone-like ZnO and sponge-like CoO adsorbents. The presence of urea during syntheses endowed these adsorbents with high concentration of surface hydroxyl groups, which was estimated as 1.83, 1.32 and 4.19 mmol [OH − ] g −1 for NiO, ZnO and CoO adsorbents, respectively. These surface hydroxyl groups would facilitate the adsorption of Cr( vi ) species (e.g. HCrO 4 − , Cr 2 O 7 2− and CrO 4 2− ) from wastewater by exchanging with hydroxyl protons or hydroxide ions, and hence result in extremely high maximum adsorbed amounts of Cr( vi ), being 2974, 14 256 and 408 mg g −1 for NiO, ZnO and CoO adsorbents in the pH range of 5.02–5.66 at 298 K, respectively. More strikingly, the maximum adsorbed amounts of Cr( vi ) would be greatly enhanced as the adsorbing temperature is increased, and even amount to 23 411 mg g −1 for ZnO adsorbents at 323 K. Based on the kinetics and equilibrium studies of adsorptive removal of Cr( vi ) from wastewater, our synthetic route will greatly improve the adsorptivity of the as-synthesized metal-oxide adsorbents, and hence it will shed new light on the development of high-performance adsorbents.

Kinetics and equilibrium studies of copper, zinc, and nickel ions adsorptive removal on to Archontophoenix alexandrae: conditions optimization by RSM

2020 ◽  
Vol 201 ◽  
pp. 289-300
Author(s):  
Raseed A. Khera ◽  
Munawar Iqbal ◽  
Aftab Ahmad ◽  
Syeda M. Hassan ◽  
Arif Nazir ◽  
...  
Keyword(s):  
Equilibrium Studies ◽  
Nickel Ions ◽  
Adsorptive Removal ◽  
Copper Zinc

Kinetic and equilibrium studies of adsorptive removal of phenol onto eggshell waste

2012 ◽  
Vol 20 (7) ◽  
pp. 4603-4611 ◽  
Author(s):  
H. Daraei ◽  
A. Mittal ◽  
M. Noorisepehr ◽  
F. Daraei
Keyword(s):  
Equilibrium Studies ◽  
Adsorptive Removal ◽  
Eggshell Waste

Thermodynamic and kinetic studies of adsorptive removal of toluidine blue by activated carbon from olive pit

2017 ◽  
Vol 78 ◽  
pp. 292-299
Author(s):  
Mohammad Sadiq ◽  
Mashooq Khan ◽  
Razia Aman ◽  
Saima Sadiq ◽  
M. Sohail Ahmad ◽  
...  
Keyword(s):  
Activated Carbon ◽  
Toluidine Blue ◽  
Kinetic Studies ◽  
Adsorptive Removal

A Simple Dichromatic Stain for Plastic Embedded Tissues

1970 ◽  
Vol 28 ◽  
pp. 296-297 ◽  
Author(s):  
G. R. Mackay ◽  
M. L. Mead
Keyword(s):  
Electron Microscopy ◽  
Toluidine Blue ◽  
Biological Material ◽  
Good Reproducibility ◽  
Routine Work ◽  
Staining Techniques

Color contrasting of 1 to 2 micron sections of plastic embedded biological material is an important adjunct to electron microscopy. The procedures in general use today are simple and rapid giving monochromatic results, e.g., toluidine blue. Although many di- and polychromatic histologic staining techniques have been modified to obtain a counterstaining effect with plasticembedded tissue, the methods are usually undesirable for routine work because they are time consuming, complicated and often defy good reproducibility.

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