Comparison of rigid divinylbenzene with flexible 1,7-octadiene crosslinks in acrylic acid resins-effects on kinetics of swelling and loading of heavy metal ions from water

2014 ◽  
Vol 131 (21) ◽  
Author(s):  
Syed Wasim Ali ◽  
Muhammad Arif Malik ◽  
Saida Jan ◽  
Kashif Naeem
Keyword(s):  
Heavy Metal ◽  
Acrylic Acid ◽  
Metal Ions ◽  
Heavy Metal Ions ◽  
Kinetics Of ◽  
Kinetics Of Swelling

The removal of heavy metal ions from aqueous solutions by hydrogels based on N-isopropylacrylamide and acrylic acid

2018 ◽  
Vol 75 (10) ◽  
pp. 4797-4821 ◽  
Author(s):  
Aleksandar Zdravković ◽  
Ljubiša Nikolić ◽  
Snežana Ilić-Stojanović ◽  
Vesna Nikolić ◽  
Stevo Najman ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Acrylic Acid ◽  
Aqueous Solutions ◽  
Metal Ions ◽  
Heavy Metal Ions

scholarly journals Research on the Adsorption Behavior of Heavy Metal Ions by Porous Material Prepared with Silicate Tailings

Minerals ◽  
2019 ◽  
Vol 9 (5) ◽  
pp. 291 ◽  
Author(s):  
Dongxiao Ouyang ◽  
Yuting Zhuo ◽  
Liang Hu ◽  
Qiang Zeng ◽  
Yuehua Hu ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Porous Material ◽  
Metal Ions ◽  
Heavy Metal Ions ◽  
Low Cost ◽  
Order Kinetic ◽  
X Ray Diffraction ◽  
New Thought ◽  
Adsorption Models ◽  
Kinetics Of

Tailings generated from mineral processing have attracted worldwide concerns due to creating serious environmental pollution. In this work, porous adsorbents were prepared as a porous block by using silicate tailings, which can adsorb heavy metal ions from the solution and are easy to separate. The synthesized silicate porous material (SPM) was characterized by X-ray diffraction (XRD), Brunner–Emmet–Teller (BET), and scanning electron microscope (SEM). The material presented a surface area of 3.40 m2⸱g−1, a porosity of 54%, and the compressive strength of 0.6 MPa. The maximum adsorption capacities of Pb2+, Cd2+, and Cu2+ by SPM were 44.83 mg·g−1, 35.36 mg·g−1, and 32.26 mg·g−1, respectively. The experimental data were fitted well by the Freundlich and Langmuir adsorption models. The kinetics of the adsorption process were fitted well by the pseudo-first order kinetic equation. These results show that the porous materials prepared with silicate tailings could act as an effective and low-cost adsorbent for the removal of heavy metal ions from wastewater. This study may provide a new thought on the high-value utilization of tailing for alleviating environmental pressure.

Biomass based hydrogel as an adsorbent for the fast removal of heavy metal ions from aqueous solutions

2017 ◽  
Vol 5 (7) ◽  
pp. 3434-3446 ◽  
Author(s):  
Mingyue Zhang ◽  
Lihua Song ◽  
Haifeng Jiang ◽  
Shu Li ◽  
Yifei Shao ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Acrylic Acid ◽  
Aqueous Solutions ◽  
Metal Ions ◽  
Heavy Metal Ions ◽  
Low Cost ◽  
Waste Biomass ◽  
One Step ◽  
Fast Removal ◽  
Poly Acrylic Acid

In order to achieve the reutilization of waste biomass soybean dregs, a low-cost hydrogel, soybean dregs–poly(acrylic acid) (SESD–PAA) was prepared through a one-step reaction.

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