Development of an innovative capsule with three-dimension honeycomb architecture via one-step titration-gel method for the removal of methylene blue

Lin, Dichu; Shi, Mei; Wei, Xixi; Liu, Bingxin; Cao, Jiangfei; Peng, Changsheng

doi:10.1016/j.ijbiomac.2019.02.001

Cited by 18 publications

(3 citation statements)

References 46 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Under the situation of relatively low pH values, the sample of SA/MX-0.74 NMs showed inferior adsorption capacities. In these cases, most of the MB existed in molecular form, as the pKa value of MB is equal to 3.8 [62], and was reluctant to adsorb on the moieties of the protonated carboxyls and hydroxyls in the SA/MX-0.74 NMs [63,64]. When the pH value was increased to 5.0, the SA/MX-0.74 NMs showed a moderate adsorption capacity, which should be a compromise result between the ionized carboxyls and the competitive adsorption of protons with MB cations [28,63].…”

Section: Adsorption Studies the Effects Of Operational Factorsmentioning

confidence: 99%

“…In these cases, most of the MB existed in molecular form, as the pKa value of MB is equal to 3.8 [62], and was reluctant to adsorb on the moieties of the protonated carboxyls and hydroxyls in the SA/MX-0.74 NMs [63,64]. When the pH value was increased to 5.0, the SA/MX-0.74 NMs showed a moderate adsorption capacity, which should be a compromise result between the ionized carboxyls and the competitive adsorption of protons with MB cations [28,63]. Under neutral condition, the highest adsorption capacity was observed for the sample of SA/MX-0.74 NMs, because the carboxyls of SA were ionized completely, the surface of MXene became electronegative [28], and the competitive adsorption of protons decreased dramatically.…”

Section: Adsorption Studies the Effects Of Operational Factorsmentioning

confidence: 99%

See 1 more Smart Citation

Electrospinning Novel Sodium Alginate/MXene Nanofiber Membranes for Effective Adsorption of Methylene Blue

Zhang

Wang

et al. 2023

Polymers

View full text Add to dashboard Cite

Understanding how to develop highly efficient and robust adsorbents for the removal of organic dyes in wastewater is crucial in the face of the rapid development of industrialization. Herein, d-Ti3C2Tx nanosheets (MXene) were combined with sodium alginate (SA), followed by electrospinning and successive Ca2+-mediated crosslinking, giving rise to a series of SA/MXene nanofiber membranes (NMs). The effects of the MXene content of the NMs on the adsorption performance for methylene blue (MB) were investigated systemically. Under the optimum MXene content of 0.74 wt.%, SA/MXene NMs possessed an MB adsorption capacity of 440 mg/g, which is much higher than SA/MXene beads with the same MXene content, pristine MXene, or electrospinning SA NMs. Furthermore, the optimum SA/MXene NMs showed excellent reusability. After the adsorbent was reused ten times, both the MB adsorption capacity and removal rate could remain at 95% of the levels found in the fresh samples, which indicates that the electrospinning technique has great potential for developing biomass-based adsorbents with high efficiency.

show abstract

Section: Adsorption Studies the Effects Of Operational Factorsmentioning

confidence: 99%

Section: Adsorption Studies the Effects Of Operational Factorsmentioning

confidence: 99%

Electrospinning Novel Sodium Alginate/MXene Nanofiber Membranes for Effective Adsorption of Methylene Blue

Zhang

Wang

et al. 2023

Polymers

View full text Add to dashboard Cite

show abstract

“…A variety of methods have been developed to create micro-or nano-scale porous films, including direct writing of polymer patterns [6], soft-lithographic methods [7], the onestep titration-gel method [8], electric-field-induced patterning of block copolymers and a combination of breath figures (BFs) with phase separation [9]. In particular, the preparation of honeycomb-patterned films by the BF method has received great attention [10] since the first study reported in 1994 by François et al [11].…”

Section: Introductionmentioning

confidence: 99%

Control of the pore size of honeycomb polymer film from micrometers to nanometers via substrate-temperature regulation and its application to photovoltaic and heat-resistant polymer films

Zheng

Tang

et al. 2019

Nanotechnology

View full text Add to dashboard Cite

Honeycomb porous polystyrene (PS) films with an aspect ratio of pore depth to pore diameter at approximately 1.0 were fabricated using the breath figure (BF) method. Two modes of water droplet coalescence in the pore growth were observed in real-time by optical microscopy. Pore size significantly increases with the increase in humidity and the decrease in substrate temperature. The porous pattern could emerge even at room temperature under high humidity of 80%. Boiling point and solvent density significantly influence the pore distribution and pore depth. Chloroform and tetrahydrofuran achieve more uniform hexagonal patterns than benzene and dichloromethane. Subsequently, to obtain nanometer porous PS film, the fast-evaporation BF process was designed by regulating the gradient substrate temperature and evaporation time, and porous mesoscopic PS film was obtained. The minimum pore diameter and corresponding pore depth are about 120 nm and 27 nm, respectively. Finally, the fast-evaporation BF process was applied to the honeycomb film formation of photovoltaic polymer poly(3-hexylthiophene) (P3HT), and the heat-resistant polymers polysulfone (PSF) and polyimide (PI).

show abstract

The influence of graphene oxide content on adsorption of PVA/SA composite gel spheres

Lin

Zhang²,

Feng³

et al. 2022

Colloid Polym Sci

View full text Add to dashboard Cite

Development of an innovative capsule with three-dimension honeycomb architecture via one-step titration-gel method for the removal of methylene blue

Cited by 18 publications

References 46 publications

Electrospinning Novel Sodium Alginate/MXene Nanofiber Membranes for Effective Adsorption of Methylene Blue

Electrospinning Novel Sodium Alginate/MXene Nanofiber Membranes for Effective Adsorption of Methylene Blue

Control of the pore size of honeycomb polymer film from micrometers to nanometers via substrate-temperature regulation and its application to photovoltaic and heat-resistant polymer films

The influence of graphene oxide content on adsorption of PVA/SA composite gel spheres

Contact Info

Product

Resources

About