scholarly journals Microwave-assisted spent black tea leaves as cost-effective and powerful green adsorbent for the efficient removal of Eriochrome black T from aqueous solutions

2018 ◽  
Vol 5 (2) ◽  
pp. 171-182 ◽  
Author(s):  
Ayub Khan ◽  
Xiangke Wang ◽  
Kashif Gul ◽  
Fazli Khuda ◽  
Zaynab Aly ◽  
...  
RSC Advances ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 3725-3731
Author(s):  
Juan Huang ◽  
Weirong Cui ◽  
Ruping Liang ◽  
Li Zhang ◽  
Jianding Qiu

Novel porous BMTTPA–CS–GO nanocomposites are prepared by covalently grafting BMTTPA–CS onto GO surfaces, and used for efficient removal of heavy metal ions from polluted water.


RSC Advances ◽  
2021 ◽  
Vol 11 (39) ◽  
pp. 24387-24397
Author(s):  
Shamshad Ul Haq ◽  
Maryam Aghajamali ◽  
Hassan Hassanzadeh

In this work, we studied the effect of different factors such as anthocyanin source, extraction technique, and extracting solvent on the sensitivity and optical visibility of anthocyanin-based paper sensors.


Proceedings ◽  
2018 ◽  
Vol 2 (10) ◽  
pp. 567 ◽  
Author(s):  
Željka Fiket ◽  
Ana Galović ◽  
Gordana Medunić ◽  
Martina Furdek Turk ◽  
Maja Ivanić ◽  
...  

Rare earth elements, i.e., lanthanides, are important components of many recently developed technology applications. However, their increasing use in the industrial sector, medicine, and agriculture over the last few decades has provided them with the title of “new pollutants”. Different methods are now applied for the removal of various pollutants from wastewaters, whereby the emphasis is placed on adsorption due to its simplicity, high efficiency, and low cost. In the present study, geopolymers prepared from coal ash were examined regarding their capacity for the adsorption of lanthanides from model solutions. The obtained results indicate the efficient removal of lanthanides by prepared geopolymers, depicting them as effective adsorbents for this group of elements.


2014 ◽  
Vol 35 (12) ◽  
pp. 1508-1519 ◽  
Author(s):  
A. Blanco-Flores ◽  
A. Colín-Cruz ◽  
E. Gutiérrez-Segura ◽  
V. Sánchez-Mendieta ◽  
D.A. Solís-Casados ◽  
...  

2009 ◽  
Vol 71 (1) ◽  
pp. 113-118 ◽  
Author(s):  
Naznin Ara Begum ◽  
Samiran Mondal ◽  
Saswati Basu ◽  
Rajibul A. Laskar ◽  
Debabrata Mandal

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