Green Synthesis of Flowers-Like Nanostructured Calcium Silicates: Kinetics and Adsorption Isotherms of Malachite Green Dye Removal from Polluted Water

2020 ◽  
Author(s):  
Osama A. Fouad ◽  
Samar H. Bendary ◽  
amira Abdalla Hashem
Keyword(s):  
Green Synthesis ◽  
Malachite Green ◽  
Adsorption Isotherms ◽  
Dye Removal ◽  
Polluted Water ◽  
Malachite Green Dye ◽  
Calcium Silicates

scholarly journals Synthesis of a biodegradable interpenetrating polymer network of Av-cl-poly(AA-ipn-AAm) for malachite green dye removal: kinetics and thermodynamic studies

RSC Advances ◽  
2018 ◽  
Vol 8 (73) ◽  
pp. 41920-41937 ◽  
Author(s):  
Vaneet Kumar ◽  
Vishal Rehani ◽  
Balbir Singh Kaith ◽  
Saruchi Saruchi
Keyword(s):  
Acrylic Acid ◽  
Malachite Green ◽  
Dye Removal ◽  
Polymer Network ◽  
Aloe Vera ◽  
Interpenetrating Polymer Network ◽  
Thermodynamic Studies ◽  
Malachite Green Dye ◽  
Natural Polysaccharide ◽  
Kinetics And Thermodynamic

This paper deals with the synthesis of a biodegradable interpenetrating polymer network (IPN) from the natural polysaccharide aloe vera (Av), acrylamide (AAm) and acrylic acid (AA), and its evaluation as a dye removal device.

scholarly journals Kinetic Behavior of the Adsorption of Malachite Green Using Jordanian Diatomite as Adsorbent

2020 ◽  
Vol 3 (1) ◽  
pp. 1-10
Author(s):  
Emad El Qada
Keyword(s):  
Malachite Green ◽  
Dye Removal ◽  
Considerable Effect ◽  
Intraparticle Diffusion ◽  
Adsorption Rate ◽  
External Mass Transfer ◽  
Experimental Conditions ◽  
Malachite Green Dye ◽  
Series Of Experiments ◽  
Rate Controlling Step

The main intention of this work is to study the adsorption rate and mechanism for the adsorption of Malachite Green dye (MG) onto Jordanian diatomite. A series of experiments were conducted under a variety of conditions such as the mass of diatomite, initial MG concentration, and pH of the solution. The mechanism of adsorption was elucidated based on different kinetic models. Experimental conditions showed a considerable effect on the adsorption rate. Alkali conditions promote MG uptake and increase the rate of adsorption. Approximately 99% of dye removal was achieved as the diatomite dosage increased from 0.25g to 1.5g. The adsorption rate-controlling step was found to be a combination of chemisorption and intraparticle diffusion, with the external mass transfer predominating in the first five minutes of the experiment.

Design of experiments for Malachite Green dye removal from wastewater using thermolysis - coagulation-flocculation

2012 ◽  
Vol 40 ◽  
pp. 260-271 ◽  
Author(s):  
Loh Wai Man ◽  
Pradeep Kumar ◽  
Tjoon Tow Teng ◽  
Kailas Lachchhuram Wasewar
Keyword(s):  
Design Of Experiments ◽  
Malachite Green ◽  
Dye Removal ◽  
Malachite Green Dye

scholarly journals Biosorption Studies for the Removal of Malachite Green from its Aqueous Solution by Activated Carbon Prepared from Cassava Peel

2011 ◽  
Vol 8 (s1) ◽  
pp. S61-S66 ◽  
Author(s):  
C. Parvathi ◽  
T. Maruthavanan ◽  
S. Sivamani ◽  
C. Prakash
Keyword(s):  
Aqueous Solution ◽  
Activated Carbon ◽  
Malachite Green ◽  
Dye Removal ◽  
Agricultural Waste ◽  
Raw Material ◽  
Textile Effluent ◽  
Malachite Green Dye ◽  
Health Related ◽  
Cassava Peel

The association of dyes with health related problems is not a new phenomenon. The effectiveness of carbon adsorption for dye removal from textile effluent has made it an ideal alternative to other expensive treatment methods. The preparation of activated carbon from agricultural waste could increase economic return and reduce pollution. Cassava peel has been used as a raw material to produce activated carbon. The study investigates the removal of malachite green dye from its aqueous solution. The effects of condition such as adsorbent dosage, initial dye concentration, pH and contact time were studied. The adsorption capacity was demonstrated as a function of time for malachite green from aqueous solution by the prepared activated carbon. The results showed that as the amount of the adsorbent was increased, the percentage of dye removal increased accordingly. Higher adsorption percentages were observed at lower concentrations of malachite green dye. Silver nitrate treated cassava peel showed a better performance compared to Sulphuric acid treated and raw carbons, thus making it an interesting option for dye removal textile effluent.

Kinetics and thermodynamics of Malachite Green dye removal from aqueous phase using iron nanoparticles loaded on ash

2016 ◽  
Vol 223 ◽  
pp. 1340-1347 ◽  
Author(s):  
Shilpi Agarwal ◽  
Inderjeet Tyagi ◽  
Vinod Kumar Gupta ◽  
Somaye Mashhadi ◽  
Maryam Ghasemi
Keyword(s):  
Malachite Green ◽  
Aqueous Phase ◽  
Iron Nanoparticles ◽  
Dye Removal ◽  
Kinetics And Thermodynamics ◽  
Malachite Green Dye

scholarly journals Mechanism and Isotherm Modeling of Effective Adsorption of Malachite Green as Endocrine Disruptive Dye using Acid Functionalized Maize Cob (AFMC)

2021 ◽  
Author(s):  
John O Ojediran ◽  
Adewumi O. Dada ◽  
Stephen O. Aniyi ◽  
Robinson O. David
Keyword(s):  
Malachite Green ◽  
Removal Efficiency ◽  
Low Cost ◽  
Statistical Error ◽  
Freundlich Isotherm ◽  
Polluted Water ◽  
Operational Parameters ◽  
Isotherm Modeling ◽  
Malachite Green Dye ◽  
Maize Cob

Abstract Cationic Malachite green has been identified as a candidate of endocrine disruptive compound found in the environment. In this study, the mechanism and isotherm modeling of effective adsorption of cationic malachite green dye onto acid functionalized maize cob (AFMC) was investigated by batch technique. The operational parameters such as initial concentration (100–600 mg/L); contact time (10–120 mins) and pH (3–10) influenced the removal efficiency and quantity adsorbed. Maximum of 99.3% removal efficiency was obtained at optimum conditions. AFMC physicochemical properties (surface area 1329 m2/g and particle size 300µm<Ф<250µm) enhanced its efficiency. Based on R2 > 0.97 and consistently low values of SSE, X2, HYBRID and MSPD adsorption statistical error functions (ASEF), equilibrium data were best fitted to Freundlich isotherm. Kinetic data were best described by pseudo second-order model with consistent R2 > 0.98 and validated by ASEF. The mechanism of process was better described by intraparticle diffusion. Evidence of adsorption process was confirmed by change in morphology and surface chemistry determined by SEM and FTIR respectively. The performance of AFMC enlisted it as a sustainable and promising low-cost adsorbent from agro-residue for treatment of endocrine disruptive dye polluted water.

scholarly journals Photocatalytic removal of Malachite green dye from aqueous solutions by nano-composites containing titanium dioxide: A systematic review

2021 ◽  
Vol 8 (4) ◽  
pp. 295-302
Author(s):  
Soheila Amiri-Hosseini ◽  
Yalda Hashempour
Keyword(s):  
Aqueous Solutions ◽  
Malachite Green ◽  
Dye Removal ◽  
Web Of Science ◽  
Uv Light ◽  
Photocatalytic Decomposition ◽  
Photocatalytic Process ◽  
Malachite Green Dye ◽  
Photocatalytic Removal ◽  
Aquaculture Industry

Background: Malachite green (MG) is widely used as a fungicide, Bactericide parasiticide in the aquaculture industry, as a food additive, medical disinfectant, and also, as a dye for materials such as silk, leather, paper, etc. In this study, the photocatalytic removal of MG from aqueous solutions using TiO2-containing nanocomposites was reviewed. Methods: In this study, four databases (PubMed, Web of Science, ScienceDirect, and Scopus) were systematically searched to collect studies on the decomposition of MG using nanocomposites containing TiO2 under UV light radiation. Results: In total, 10 related and eligible studies were selected. Based on the results, TiO2 was doped with iron, Sn, Ag, Si, and Ni. The highest percentage of photocatalytic decomposition for MG was observed in Sn > Ni > Ag > Fe > Si. The removal efficiency of MG in the studied papers was between 75%-100%. Conclusion: Recombinant nanocomposites had a higher dye removal percentage than uncombined ones because they play an important role in the photocatalytic process of dye, by producing free radicals.

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