Study on the Effective Removal of Chromium VI via Polysulfone/TiO2 Nanocomposite Membranes and Its Antifouling Property

2019 ◽  
pp. 157-166
Author(s):  
Lovey Jacob ◽  
Tiza Moses ◽  
Shiny Joseph ◽  
Lity Alen Varghese ◽  
Shankar Nalinakshan
Keyword(s):  
Nanocomposite Membranes ◽  
Chromium Vi ◽  
Antifouling Property ◽  
Effective Removal

Effective Removal of Chromium (VI) Ions from Tannery Effluent using Chitosan-Alumina Composite

2016 ◽  
Vol 10 (3) ◽  
pp. 1-12 ◽  
Author(s):  
Mrinal Kabiraz ◽  
Ismet Jahan ◽  
Shah Masum ◽  
Md. Islam ◽  
S. Hassan ◽  
...  
Keyword(s):  
Tannery Effluent ◽  
Chromium Vi ◽  
Effective Removal ◽  
Alumina Composite

Development of a rapid and reliable liquid-liquid extractive method for the effective removal of chromium(VI) from electroplating waste water and tannery effluents

2017 ◽  
Vol 62 (4) ◽  
pp. 527-538 ◽  
Author(s):  
Arjun Kokare ◽  
Vishal Suryavanshi ◽  
Sunil Zanje ◽  
Gurupad Kore ◽  
Dhuryodhan Waghmode ◽  
...  
Keyword(s):  
Waste Water ◽  
Tannery Effluents ◽  
Chromium Vi ◽  
Effective Removal

A New Cationic Poly[1-vinyl-3-ethyl imidazolium iodide], P(VEII) Hydrogel for the Effective Removal of Chromium (VI) from Aqueous Solution

2009 ◽  
Vol 46 (4) ◽  
pp. 447-454 ◽  
Author(s):  
Pratish V. Dadhaniya ◽  
Ankit M. Patel ◽  
Manish P. Patel ◽  
Ranjan G. Patel
Keyword(s):  
Aqueous Solution ◽  
Chromium Vi ◽  
Effective Removal

scholarly journals Effective Removal of Hexavalent Chromium from Polluted Water using Phoenix sylvestris Seed Powder as Adsorbent

2019 ◽  
Vol 31 (6) ◽  
pp. 1327-1331
Author(s):  
P. KARUNASRI MEGHANA ◽  
K. VENKATA PRAVALIKA ◽  
P. JANAKI SRIRAM ◽  
K. RAVINDHRANATH
Keyword(s):  
Adsorption Capacity ◽  
Hexavalent Chromium ◽  
Extraction Method ◽  
Contact Time ◽  
Industrial Effluents ◽  
Polluted Water ◽  
Chromium Vi ◽  
Effective Removal ◽  
Maximum Extraction ◽  
Fold Excess

Phoenix sylvestris seed powder (PSSP) was investigated as an adsorbent for the removal of chromium(VI) ions from water using batch extraction method. The conditions for the maximum extraction were optimized. The adsorption capacity was found to be 22.5 mg/g at pH= 2, contact time: 60 min, PSSP dosage: 0.40 g/500mL, rpm: 300 and temp.: 28 ± 2 ºC and found to be more suitable adsorbant than compared to other reported adsorbents in the literature. Co-ions even in five-fold excess were less interfered. Regeneration studies revealed that Phoenix sylvestris seed powder can be used up to three cycles. The method developed was successfully applied to polluted water/industrial effluents samples.

Ethylenediamine‐Modified Hollow Porous Nanospheres for Effective Removal of Chromium (VI)

2021 ◽  
Vol 6 (23) ◽  
pp. 5711-5718
Author(s):  
Huaqing Wang ◽  
Zhiwei He ◽  
Haitao Yu ◽  
Shengguang Gao ◽  
Li Zhang ◽  
...  
Keyword(s):  
Chromium Vi ◽  
Effective Removal

scholarly journals Synthesis and Characterization of Novel Rice Husk Hydrogel and Cross Linked Acrylic Acid-Rice Husk Hydrogel for the Adsorption of Chromium(VI) from Wastewater

2020 ◽  
Vol 32 (9) ◽  
pp. 2365-2370
Author(s):  
AAKRITI VERMA ◽  
KALPANA SINGH ◽  
KUSHAGRA RAJENDRA
Keyword(s):  
Rice Husk ◽  
Adsorption Equilibrium ◽  
Low Cost ◽  
Isotherm Models ◽  
Chemical Parameters ◽  
Chromium Vi ◽  
Physico Chemical ◽  
Effective Removal ◽  
Optimized Conditions

The main purpose of this research is to develop a low-cost and novel bioadsorbent hydrogel from rice husk (PRH) and modified rice husk (MRH) by carboxymethylation and grafting for the effective removal of chromium(VI) from aqueous solutions. The characterization and physico-chemical parameters of the bioadsorbents (PRH and MRH) was also performed. It was found that -CHO, >C=O, C-OH, Si-OH and -Si-H groups widely contributed towards the adsorption of chromium(VI) into the surface of bioadsorbents. The adsorption studies had been conducted using batch experiments. The adsorption equilibrium were analyzed and described by Freundlich, Langmuir and Dubinin-Radushkevish (D-R) isotherm models. It was observed that maximum adsorption of chromium(VI) was attained at pH 2. The optimized conditions regarding the removal of Cr(VI) using PRH (65%) and MRH (78%) as bioadsorbents were at 0.5 g/L of adsorbent dose, 120 min of contact time and pH 2. The results showed that rice husk residue based hydrogel has the potential to be used as a lowcost biosorbent for the removal of Cr(VI) from wastewater.

Enhancing the antifouling property of polyethersulfone ultrafiltration membranes using NaX zeolite and titanium oxide nanoparticles

RSC Advances ◽  
2015 ◽  
Vol 5 (69) ◽  
pp. 55964-55976 ◽  
Author(s):  
V. Moghimifar ◽  
A. Esmaili Livari ◽  
A. Raisi ◽  
A. Aroujalian
Keyword(s):  
Titanium Oxide ◽  
Oxide Nanoparticles ◽  
Nanocomposite Membranes ◽  
Ultrafiltration Membranes ◽  
Titanium Oxide Nanoparticles ◽  
Nax Zeolite ◽  
Antifouling Property ◽  
Pes Membrane

The fouling tendency of nanocomposite membranes containing TiO2 and NaX zeolite nanoparticles was significantly lower than the neat PES membrane.

Pure chromium(VI) oxidations. The effective removal of chromium(IV) from interference in oxidations by chromic acid

1970 ◽  
Vol 92 (26) ◽  
pp. 7599-7601 ◽  
Author(s):  
Jan. Rocek ◽  
Michael P. Doyle ◽  
Raymond J. Swedo
Keyword(s):  
Chromic Acid ◽  
Chromium Vi ◽  
Effective Removal ◽  
Pure Chromium
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