High efficient removal of chromium(VI) using glycine doped polypyrrole adsorbent from aqueous solution

The removal of Cr (VI) from aqueous solution is paying more and more attention due to the higher concern of environmental influence of this ion. In this paper, the biodegradable cellulosic fibers were modified with the grafting reaction to introduce the amide groups onto the fibers. In the grafting reaction, the toluene diisocyanate was firstly grafted on the surface of natural fibers, and then the 3-Chloro-2-hydroxypropyltrimethylammonium chloride (HPTMAC), as a high efficiency trapping agent of Cr (VI), was introduced through the condensation reaction. The modified fibers was characterized by infrared spectroscopy (IR) and elemental analysis. The modified fibers were applied to adsorb chromium (VI) ion from aqueous solution. The adsorption capability of the modified fibers was evaluated under different pH, time and temperature. The optimal adsorption conditions were obtained. The results showed that the grafted fibers had high efficient adsorption of chromium (VI) ion.

Download Full-text

Zinc-Aluminum layered double hydroxide: High efficient removal by adsorption of tartrazine dye from aqueous solution

Surfaces and Interfaces ◽

10.1016/j.surfin.2019.100401 ◽

2020 ◽

Vol 18 ◽

pp. 100401 ◽

Cited By ~ 2

Author(s):

Hasna Ouassif ◽

El Mostafa Moujahid ◽

Redouane Lahkale ◽

Rachid Sadik ◽

Fatima Zahra Bouragba ◽

...

Keyword(s):

Aqueous Solution ◽

Layered Double Hydroxide ◽

Efficient Removal ◽

High Efficient ◽

Double Hydroxide

Download Full-text

Green synthesis of poly(pyrrole methane)-based adsorbent for efficient removal of chromium(VI) from aqueous solution

Journal of Cleaner Production ◽

10.1016/j.jclepro.2021.126197 ◽

2021 ◽

Vol 293 ◽

pp. 126197 ◽

Cited By ~ 1

Author(s):

Yajun Ji ◽

Feiya Xu ◽

Panli Zhang ◽

Yuanyi Xu ◽

Gaili Zhang

Keyword(s):

Aqueous Solution ◽

Green Synthesis ◽

Efficient Removal ◽

Chromium Vi

Download Full-text

High efficient removal of dyes from aqueous solution through nanofiltration using diethanolamine-modified polyamide thin-film composite membrane

Separation and Purification Technology ◽

10.1016/j.seppur.2016.09.023 ◽

2017 ◽

Vol 173 ◽

pp. 135-143 ◽

Cited By ~ 117

Author(s):

Meihong Liu ◽

Qing Chen ◽

Kuan Lu ◽

Wenqiang Huang ◽

Zhenhua Lü ◽

...

Keyword(s):

Thin Film ◽

Aqueous Solution ◽

Composite Membrane ◽

Efficient Removal ◽

Film Composite ◽

Thin Film Composite Membrane ◽

Thin Film Composite ◽

High Efficient

Download Full-text

A novel preparation of S-nZVI and its high efficient removal of Cr(VI) in aqueous solution

Journal of Hazardous Materials ◽

10.1016/j.jhazmat.2021.125924 ◽

2021 ◽

Vol 416 ◽

pp. 125924

Author(s):

Hao Xu ◽

Mengxi Gao ◽

Xi Hu ◽

Yonghua Chen ◽

Yan Li ◽

...

Keyword(s):

Aqueous Solution ◽

Efficient Removal ◽

High Efficient

Download Full-text

Removal of Methylene Blue from Aqueous Solution by Manganese Oxide Nano-Sheets

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.644-650.5431 ◽

2014 ◽

Vol 644-650 ◽

pp. 5431-5434

Author(s):

Liang Peng

Keyword(s):

Aqueous Solution ◽

Methylene Blue ◽

High Salinity ◽

Freundlich Isotherm ◽

Langmuir Model ◽

Maximum Adsorption Capacity ◽

Efficient Removal ◽

Strong Base ◽

High Efficient ◽

Adsorption Data

MnO2 nanosheets were synthesized with tetramethylamine, H2O2, MnCl2·4H2O and its suspension were prepared for its high efficient removal of methylene blue (MB). MB removal reached as high as 95% when MB concentrations were less than 500 mg/L at pH 11. The adsorption data fitted better with Freundlich isotherm model than Langmuir model indicating the heterogeneous adsorption nature of MB on MnO2 nanosheets. The maximum adsorption capacity of MnO2 nanosheets was ~4,300 mg/g, which is the highest reported so far. The MnO2 nanosheets suspension was aggregated as precipitates after adsorption of MB. Our results demonstrated that dispersive MnO2 nanosheets have a potential application on adsorption of organics from solution with strong base and high salinity.

Download Full-text