scholarly journals Determination of carrageenan in jellies with new methylene blue dye using spectrophotometry, smartphone-based colorimetry and spectrophotometric titration

2020 ◽  
Author(s):  
Marie BARTLOVÁ ◽  
Dorota ZIÓŁKOWSKA ◽  
Matej POSPIECH ◽  
Alexander SHYICHUK ◽  
Bohuslava TREMLOVÁ
Keyword(s):  
Methylene Blue ◽  
Spectrophotometric Titration ◽  
Blue Dye ◽  
Methylene Blue Dye

Photocatalytic activity and statistical determination of ball-shaped zinc oxide NPs with methylene blue dye

2016 ◽  
Vol 47 (4) ◽  
pp. 536-542 ◽  
Author(s):  
Rizwan Wahab ◽  
Farheen Khan ◽  
Lutfullah ◽  
Abdulaziz A. Al-Khedhairy
Keyword(s):  
Methylene Blue ◽  
Zinc Oxide ◽  
Photocatalytic Activity ◽  
Blue Dye ◽  
Methylene Blue Dye ◽  
Statistical Determination

Determination of Anionic Surfactants by Means of Photometric Titration with Methylene Blue Dye

2015 ◽  
Vol 19 (2) ◽  
pp. 425-429 ◽  
Author(s):  
Alexander Shyichuk ◽  
Dorota Ziółkowska
Keyword(s):  
Methylene Blue ◽  
Anionic Surfactants ◽  
Blue Dye ◽  
Methylene Blue Dye ◽  
Photometric Titration

Using of modified-bentonite as low-cost sorbent for removal of methylene blue dye from aqueous solution

2020 ◽  
Vol 27 (2) ◽  
pp. 45-54
Author(s):  
Saraa Muwafaq Ibrahim ◽  
Ziad T. Abd Ali
Keyword(s):  
Aqueous Solution ◽  
Methylene Blue ◽  
Silanol Group ◽  
Infrared Spectrometry ◽  
Blue Dye ◽  
Ammonium Bromide ◽  
Vibration Band ◽  
Order Kinetic ◽  
Methylene Blue Dye ◽  
Modified Bentonite

Batch experiments have been studied to remove methylene blue dye (MB) from aqueous solution using modified bentonite. The modified bentonite was synthesized by replacing exchangeable calcium cations in natural bentonite with cationic surfactant cetyl trimethyl ammonium bromide (CTAB). The characteristics of modified bentonite were studied using different analysis such as Scanning electronic microscopy (SEM), Fourier transform infrared spectrometry (FTIR) and surface area. Where SEM shows the natural bentonite has a porous structure, a rough and uneven appearance with scattered and different block structure sizes, while the modified bentonite surface morphology was smooth and supplemented by a limited number of holes. On other hand, (FTIR) analysis that proved NH group aliphatic and aromatic group of MB and silanol group are responsible for the sorption of contaminate. The organic matter peaks at 2848 and 2930 cm-1 in the spectra of modified bentonite which are sharper than those of the natural bentonite were assigned to the CH2 scissor vibration band and the symmetrical CH3 stretching absorption band, respectively, also the 2930 cm-1 peak is assigned to CH stretching band. The batch study was provided the maximum removal efficiency (99.99 % MB) with a sorption capacity of 129.87 mg/g at specified conditions (100 mg/L, 25℃, pH 11 and 250rpm). The sorption isotherm data fitted well with the Freundlich isotherm model. The kinetic studies were revealed that the sorption follows a pseudo-second-order kinetic model which indicates chemisorption between sorbent and sorbate molecules.

KINETICS STUDY OF METHYLENE BLUE DYE BIOADSORPTION ON BAGGASE

2004 ◽  
Vol 2 (2) ◽  
pp. 35-43 ◽  
Author(s):  
S.P. RAGHUVANSHI
Keyword(s):  
Methylene Blue ◽  
Blue Dye ◽  
Kinetics Study ◽  
Methylene Blue Dye

Adsorption Studies of Methylene Blue Dye using Biosorbents

2018 ◽  
Vol 8 (3) ◽  
pp. 502-513
Author(s):  
Saravanan Narayanan ◽  
Rathika Govindasamy
Keyword(s):  
Methylene Blue ◽  
Blue Dye ◽  
Methylene Blue Dye ◽  
Adsorption Studies

Fractal kinetics for sorption of Methylene blue dye at the interface of Alginate Fullers earth composite beads

2021 ◽  
pp. 116225
Author(s):  
Preeti Kulkarni ◽  
Varuna Watwe ◽  
Tukaram Doltade ◽  
Sunil Kulkarni
Keyword(s):  
Methylene Blue ◽  
Blue Dye ◽  
Methylene Blue Dye ◽  
Fractal Kinetics ◽  
Composite Beads

scholarly journals Characterization and use of a lignin sample extracted from Eucalyptus grandis sawdust for the removal of methylene blue dye

2021 ◽  
Vol 170 ◽  
pp. 375-389
Author(s):  
Alexandra Cemin ◽  
Fabrício Ferrarini ◽  
Matheus Poletto ◽  
Luis R. Bonetto ◽  
Jordana Bortoluz ◽  
...  
Keyword(s):  
Methylene Blue ◽  
Eucalyptus Grandis ◽  
Blue Dye ◽  
Methylene Blue Dye

scholarly journals Highly Porous and Ultra-Lightweight Aero-Ga2O3: Enhancement of Photocatalytic Activity by Noble Metals

Materials ◽  
2021 ◽  
Vol 14 (8) ◽  
pp. 1985
Author(s):  
Irina Plesco ◽  
Vladimir Ciobanu ◽  
Tudor Braniste ◽  
Veaceslav Ursaki ◽  
Florian Rasch ◽  
...  
Keyword(s):  
Methylene Blue ◽  
Photocatalytic Activity ◽  
Noble Metals ◽  
Hybrid Structures ◽  
Blue Dye ◽  
Light Illumination ◽  
Methylene Blue Dye ◽  
Visible Light Illumination ◽  
New Type ◽  
Highly Porous

A new type of photocatalyst is proposed on the basis of aero-β-Ga2O3, which is a material constructed from a network of interconnected tetrapods with arms in the form of microtubes with nanometric walls. The aero-Ga2O3 material is obtained by annealing of aero-GaN fabricated by epitaxial growth on ZnO microtetrapods. The hybrid structures composed of aero-Ga2O3 functionalized with Au or Pt nanodots were tested for the photocatalytic degradation of methylene blue dye under UV or visible light illumination. The functionalization of aero-Ga2O3 with noble metals results in the enhancement of the photocatalytic performances of bare material, reaching the performances inherent to ZnO while gaining the advantage of the increased chemical stability. The mechanisms of enhancement of the photocatalytic properties by activating aero-Ga2O3 with noble metals are discussed to elucidate their potential for environmental applications.

High surface area and mesoporous activated carbon from KOH-activated Dragon fruit peels for methylene blue dye adsorption: Optimization and mechanism study

2020 ◽  
Author(s):  
Ali H. Jawad ◽  
Ahmed Saud Abdulhameed ◽  
Lee D. Wilson ◽  
Syed Shatir A. Syed-Hassan ◽  
Zeid A. ALOthman ◽  
...  
Keyword(s):  
Methylene Blue ◽  
Activated Carbon ◽  
High Surface ◽  
High Surface Area ◽  
Dye Adsorption ◽  
Blue Dye ◽  
Methylene Blue Dye ◽  
Mechanism Study ◽  
Dragon Fruit ◽  
Mesoporous Activated Carbon
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