The formation mechanism of layered double hydroxide nanoscrolls by facile trinal-phase hydrothermal treatment and their adsorption properties

2015 ◽  
Vol 3 (46) ◽  
pp. 23395-23402 ◽  
Author(s):  
Weiyang Lv ◽  
Miao Du ◽  
Weijuan Ye ◽  
Qiang Zheng
Keyword(s):  
Aqueous Solution ◽  
Methyl Orange ◽  
Hydrothermal Treatment ◽  
Layered Double Hydroxide ◽  
Formation Mechanism ◽  
Treatment Method ◽  
Adsorption Properties ◽  
Excellent Performance ◽  
Double Hydroxide

A facile trinal-phase hydrothermal treatment method is developed for fabricating uniform layered double hydroxide nanoscrolls, which exhibit excellent performance for adsorbing methyl orange in aqueous solution.

scholarly journals Oxalate Intercalated Mg/Cr Layered Double Hydroxide as Adsorbent of Methyl Red and Methyl Orange From Aqueous Solution

2021 ◽  
Vol 22 (3) ◽  
pp. 71-81
Author(s):  
Arini Fousty Badri ◽  
Novie Juleanti ◽  
Neza Rahayu Palapa ◽  
Yuliza Hanifah ◽  
Risfidian Mohadi ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Methyl Orange ◽  
Layered Double Hydroxide ◽  
Methyl Red ◽  
Double Hydroxide

scholarly journals Activity in the Photodegradation of 4-Nitrophenol of a Zn,Al Hydrotalcite-Like Solid and the Derived Alumina-Supported ZnO

Catalysts ◽  
2020 ◽  
Vol 10 (6) ◽  
pp. 702
Author(s):  
Raquel Trujillano ◽  
César Nájera ◽  
Vicente Rives
Keyword(s):  
Aqueous Solution ◽  
Microwave Irradiation ◽  
Photocatalytic Degradation ◽  
Hydrothermal Treatment ◽  
Layered Double Hydroxide ◽  
Mixed Oxide ◽  
Photocatalytic Performance ◽  
Ageing Treatment ◽  
Calcined Hydrotalcite ◽  
Double Hydroxide

A Zn,Al layered double hydroxide (LDH), with the hydrotalcite structure and the mixed oxide obtained upon its calcination at 650 °C, was tested in the adsorption and photocatalytic degradation of 4-Nitrophenol in aqueous solution. The Zn,Al LDH was fast and easily obtained by the coprecipitation method. Hydrothermal treatment under microwave irradiation was applied to compare the effect of the ageing treatment on the photocatalytic behavior. The efficiency of the synthetized solids was compared to that of a commercial ZnO. The ageing treatment did not improve the performance of the original samples in the degradation of 4-nitrophenol. The activity of the synthetized solids tested exceeded that observed for the reaction with commercial ZnO. The photocatalytic performance of the original non-calcined hydrotalcite is similar to that of commercial ZnO. The calcined hydrotalcite showed a better performance in the adsorption-degradation of the contaminant than ZnO, and its reusability would be possible as it recovered the hydrotalcite-like structure during the reaction.

scholarly journals Methyl Orange Adsorption by Fe2O3@Co-Al-Layered Double Hydroxide

Proceedings ◽  
2020 ◽  
Vol 41 (1) ◽  
pp. 64
Author(s):  
Edris Jamshidi ◽  
Faranak Manteghi
Keyword(s):  
Aqueous Solution ◽  
Methyl Orange ◽  
Layered Double Hydroxide ◽  
Sodium Acetate ◽  
Adsorption Process ◽  
Magnetic Composite ◽  
Trivalent Metal ◽  
Vis Spectroscopy ◽  
Double Hydroxide ◽  
Double Hydroxides

A magnetic composite consisting of iron oxide and a cobalt–aluminum-layered double hydroxide, Fe2O3@Co-Al-layered double hydroxide was prepared through linking of Fe2O3 to Co-Al layered double hydroxide (LDH) by sodium acetate. Layered double hydroxides are generally described as [M2+1–xM3+x(OH)2] [An–x/n·mH2O], where M2+ and M3+ are divalent and trivalent metal cations, respectively, and A is an n-valent interlayer guest anion. The composite was characterized by XRD, FTIR and UV-Vis. spectroscopy methods. Afterwards, the composite was used for methyl-orange adsorption in aqueous solution. The UV–Vis spectrum indicates that the adsorption process was satisfying. In effect, after several washings of the composite, no decrease of the adsorption capacity was observed.

Size-selective adsorption of anionic dyes induced by the layer space in layered double hydroxide hollow microspheres

2017 ◽  
Vol 1 (8) ◽  
pp. 1550-1555 ◽  
Author(s):  
Peipei Huang ◽  
Jian Liu ◽  
Fang Wei ◽  
Yanan Zhu ◽  
Xiaoshi Wang ◽  
...  
Keyword(s):  
Methyl Orange ◽  
Adsorption Capacity ◽  
Layered Double Hydroxide ◽  
Selective Adsorption ◽  
Adsorption Properties ◽  
Hollow Microspheres ◽  
High Adsorption ◽  
Anionic Dyes ◽  
High Adsorption Capacity ◽  
Double Hydroxide

Flower-like cobalt aluminum layered double hydroxide hollow microspheres showed high adsorption capacity for methyl orange and exhibited size-selective adsorption properties towards different kinds of anionic dyes.

Characterization and application of MgAl layered double hydroxide for methyl orange removal from aqueous solution

2020 ◽  
Author(s):  
Ahmed Zaghloul ◽  
Ridouan Benhiti ◽  
Abdeljalil Ait Ichou ◽  
Gabriela Carja ◽  
Amina Soudani ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Methyl Orange ◽  
Layered Double Hydroxide ◽  
Double Hydroxide
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