Removal of remazol brilliant blue dye from aqueous solutions using water hyacinth root powder

2018 ◽  
Vol 122 ◽  
pp. 331-338 ◽  
Author(s):  
M. Rajeswari Kulkarni ◽  
C. Bhagyalakshmi ◽  
Deeksha Anand ◽  
R. Nidhi Herle
Keyword(s):  
Aqueous Solutions ◽  
Water Hyacinth ◽  
Brilliant Blue ◽  
Blue Dye ◽  
Water Hyacinth Root

scholarly journals Spray adjuvant characteristics affecting agricultural spraying drift

2015 ◽  
Vol 35 (1) ◽  
pp. 109-116 ◽  
Author(s):  
RONE B. DE OLIVEIRA ◽  
ULISSES R. ANTUNIASSI ◽  
MARCO A. GANDOLFO
Keyword(s):  
Surface Tension ◽  
Wind Tunnel ◽  
Aqueous Solutions ◽  
Formation Process ◽  
Droplet Diameter ◽  
Brilliant Blue ◽  
Medium Size ◽  
Blue Dye ◽  
Methods Of Evaluation ◽  
Spray Adjuvants

This study defined the main adjuvant characteristics that may influence or help to understand drift formation process in the agricultural spraying. It was evaluated 33 aqueous solutions from combinations of various adjuvants and concentrations. Then, drifting was quantified by means of wind tunnel; and variables such as percentage of droplets smaller than 50 μm (V50), 100 μm (V100), diameter of mean volume (DMV), droplet diameter composing 10% of the sprayed volume (DV0.1), viscosity, density and surface tension. Assays were performed in triplicate, using Teejet XR8003 flat fan nozzles at 200 kPa (medium size droplets). Spray solutions were stained with Brilliant Blue Dye at 0.6% (m/ v). DMV, V100, viscosity cause most influence on drift hazardous. Adjuvant characteristics and respective methods of evaluation have applicability in drift risk by agricultural spray adjuvants.

Green Route for the Removal of Pb from Aquatic Environment

2020 ◽  
Vol 23 (7) ◽  
pp. 587-598 ◽  
Author(s):  
Ahmed Refaat ◽  
Hanan Elhaes ◽  
Nabila S. Ammar ◽  
Hanan S. Ibrahim ◽  
Medhat Ibrahim
Keyword(s):  
Molecular Modeling ◽  
Sodium Alginate ◽  
Water Hyacinth ◽  
Aquatic Plant ◽  
Cost Effective ◽  
Important Process ◽  
Green Route ◽  
Homogeneous Structures ◽  
Different Sources ◽  
Water Hyacinth Root

Aim and Objective: Wastewater treatment/remediation is a very important process that has a great environmental and economic impact. Therefore, it is crucial to innovate different methods to remove pollutants of different sources from wastewater. This work was conducted in order to study the removal of lead (Pb+2) from wastewater using microspheres of composites of sodium alginate, cellulose and chitosan, as well as using a cost-effective green route through composites of sodium alginate and dried water hyacinth. Materials and Methods: Molecular modeling at B3LYP/6-31g(d,p) was utilized to study sodium alginate, cellulose and chitosan. Sodium alginate was cross-linked with calcium chloride to form microspheres, then both sodium alginate/cellulose and sodium alginate/chitosan were also crosslinked as 50/50 to form microspheres. The roots of the aquatic plant water hyacinth in dry form were added to the cross-linked sodium alginate for up to 70%. SEM and FTIR were employed to study the surface of the prepared microspheres and their structures respectively. Atomic absorption spectroscopy was used to study the levels of Pb. Results: Molecular modeling indicated that the blending of such structures enhances their ability to bind with surrounding molecules owing to their ability to form hydrogen bonds. SEM results indicated that homogeneous structures of cellulose and chitosan are deformed when blended with sodium alginate, and FTIR confirmed the proper formation of the desired blends. Microspheres from sodium alginate showed the ability to remove Pb+2 from wastewater. SEM indicated further deformation in the morphology with the roughness of sodium alginate/water hyacinth microspheres, while FTIR confirmed the uniform matrices of the microspheres. The removal of Pb+2 was enhanced because of the addition of dried water hyacinth's roots. Conclusion: Modeling, experimental and kinetic data highlight sodium alginate/water hyacinth root as a green route to remediate Pb+2 from wastewater.

Study on Fe3O4 Magnetism Nanoparticle Catalytic Degradation of Brilliant Blue Dye in Wastewater

2013 ◽  
Vol 726-731 ◽  
pp. 2960-2963
Author(s):  
Ai Hui Liang ◽  
Dong Qin Han ◽  
Hui Yue Gan ◽  
Zhi Liang Jiang
Keyword(s):  
Spectrophotometric Method ◽  
Degradation Rate ◽  
Catalytic Degradation ◽  
Brilliant Blue ◽  
Blue Dye ◽  
Optimal Conditions ◽  
Buffer Solution ◽  
The Media

In this paper, the effect of Fe3O4nanoparticle catalytic degradation brilliant blue X-BR dye was studied using spectrophotometric method. It was found that in the media of pH 0.65 HCl-NaAc buffer solution, 100 μmol/L H2O2, 0.7 g/L Fe3O4nanoparticle and the temperature 25°C, the degradation rate for reactive brilliant blue X-BR was over 93.5% in 20 min under the optimal conditions.

Photocatalysis of Coomassie Brilliant Blue Using Clay Mineral

2016 ◽  
Vol 869 ◽  
pp. 765-767 ◽  
Author(s):  
Layane Rodrigues Almeida ◽  
João Sammy Nery Souza ◽  
Edson Cavalcanti Silva Filho ◽  
Josy Anteveli Osajima
Keyword(s):  
Organic Pollutants ◽  
Uv Light ◽  
Brilliant Blue ◽  
Blue Dye ◽  
Secondary Treatment ◽  
Toxic Compounds ◽  
Coomassie Brilliant Blue ◽  
Kinetics Of ◽  
Coomassie Brilliant ◽  
Photocatalytic Processes

The presence of organic pollutants, which cannot be eliminated by conventional processes of primary and secondary treatment, can be problematic. Photocatalytic processes offer an efficient breakdown of organic pollutants into non-toxic compounds such as CO2 and H2O. This paper proposes the use of the titanium dioxide embedded in palygorskite as a photoactive material in the degradation of cationic dye, Coomassie Brilliant Blue. The system was irradiated using UV light for a maximum time of 120 minutes. The concentration of the dye used was 1.0x10-4 mol L-1 in 0.5 g L-1 of the photoactive material. The kinetics of the system was monitored by UV-Vis spectrophotometry. In 120 minutes of radiation, the process of photocatalysis reduced the initial concentration of the Coomassie Brilliant Blue dye in half.

Metal-organic framework Uio-66 for adsorption of methylene blue dye from aqueous solutions

2017 ◽  
Vol 14 (9) ◽  
pp. 1959-1968 ◽  
Author(s):  
A. A. Mohammadi ◽  
A. Alinejad ◽  
B. Kamarehie ◽  
S. Javan ◽  
A. Ghaderpoury ◽  
...  
Keyword(s):  
Methylene Blue ◽  
Aqueous Solutions ◽  
Metal Organic Framework ◽  
Blue Dye ◽  
Methylene Blue Dye ◽  
Metal Organic ◽  
Organic Framework

scholarly journals Adsorption of Pollutants from Aqueous Solutions Using Activated and Non-Activated Oak Shells: Parametric and Fractional Factorial Design Study. Part II. Removal of Phenol and Dyes

2003 ◽  
Vol 21 (2) ◽  
pp. 189-198
Author(s):  
Sameer Al-Asheh ◽  
Fawzi Banat ◽  
Rana Saeidi ◽  
Salam Abu Zaid
Keyword(s):  
Methylene Blue ◽  
Aqueous Solutions ◽  
Factorial Design ◽  
Fractional Factorial Design ◽  
Sorption Process ◽  
Fractional Factorial ◽  
Phenol Concentration ◽  
Blue Dye ◽  
Batch Adsorption ◽  
Solution Ph

As in Part I, non-activated (natural) and chemically activated oak shells were evaluated for their ability to remove phenol and Methylene Blue (as a typical dye component) from aqueous solutions. Batch adsorption experiments were conducted to investigate the effect of contact time, sorbent concentration, phenol concentration and the pH of the solution on the sorption process. Activated oak shells adsorbed more phenol than natural oak shells under the same conditions. A decrease in sorbent concentration or an increase in phenol concentration or solution pH resulted in an increase in phenol uptake by the oak shells. The uptake of Methylene Blue increased with decreasing sorbent concentration and with an increase in the dye concentration, but decreased significantly with solution pH. According to the fractional factorial design technique, the sorbent type employed (natural or activated) had the most significant influence on phenol or Methylene Blue uptake followed by sorbent concentration and then sorbate concentration. Interaction amongst the different operating variables played an important role in the uptake of phenol or Methylene Blue dye by the adsorbent considered.

Sign in / Sign up

Export Citation Format

Share Document