Facile Fabrication of Poly(Acrylic Acid-Co-Acrylamide) Hydrogel with 4A Molecular Sieve for Removal of Heavy Metal Ions

2015 ◽  
Vol 1092-1093 ◽  
pp. 852-855
Author(s):  
Xiao Dan Lv ◽  
Zheng Yang Wang ◽  
Jian Hui Zhang ◽  
Zi Shu Chen ◽  
Wei Feng Cao ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Acrylic Acid ◽  
Mechanical Strength ◽  
Metal Ions ◽  
Molecular Sieve ◽  
Heavy Metal Ions ◽  
High Sorption Capacity ◽  
High Sorption ◽  
Facile Fabrication ◽  
Poly Acrylic Acid

A novel hydrogel was successfully synthesized through doping 4A molecular sieve (4A-MS) into poly (acrylic acid-co-acrylamide) and used for the removal of Cu2+, Ni2+, Cd2+and Pb2+in the solution. The composite hydrogel all exhibited high sorption capacity (SC) and high elution percentage (EP) for the four above heavy metal ions. Simultaneously, the water uptake (WU) of the hydrogel was dramatically decreased and the mechanical strength of the absorbent hydrogel was improved with increasing 4A-MS content.

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.

Functional nanonetwork-structured polymers with inbuilt poly(acrylic acid) linings for enhanced adsorption

2017 ◽  
Vol 8 (33) ◽  
pp. 4771-4775 ◽  
Author(s):  
Weicong Mai ◽  
Yuan Zuo ◽  
Chuanfa Li ◽  
Jinlun Wu ◽  
Kunyi Leng ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Acrylic Acid ◽  
Metal Ions ◽  
Heavy Metal Ions ◽  
Basic Dyes ◽  
Enhanced Adsorption ◽  
Poly Acrylic Acid

Functional nanonetwork-structured polymers with inbuilt poly(acrylic acid) linings for enhanced adsorption toward basic dyes and heavy metal ions were fabricated based on the union of SI-ATRP and hypercrosslinking.

scholarly journals Sorption properties of wool

2004 ◽  
Vol 58 (7-8) ◽  
pp. 315-321
Author(s):  
Maja Radetic ◽  
Dragan Jocic ◽  
Petar Jovancic ◽  
Ljubinka Rajakovic
Keyword(s):  
Heavy Metal ◽  
Metal Ions ◽  
Heavy Metal Ions ◽  
Industrial Effluents ◽  
Fibre Surface ◽  
Developed Countries ◽  
Sorption Properties ◽  
Wool Fibre ◽  
High Sorption Capacity ◽  
High Sorption

Strict ecological legislation, especially in highly developed countries, imposed requirements for the purification of industrial effluents and the need for efficient oil clean up after sea and inland water spills. Although numerous processes have been developed, the application of sorbents is still one of the most efficient methods to remove heavy metal ions, dyes and crude oil from water. Recently, special attention was paid to sorbents based on natural fibres. A review of studies concerning the sorption properties of wool is presented in this paper. The presence of various functional groups on the wool fibre surface contributes to the efficient sorption of heavy metal ions and dyes. A hydrophobic, scaly surface and fibre crimp strongly influence the high sorption capacity of wool for oil. Wool has great sorption potential even as a recycled material. Accordingly, it can be used as a viable substitute to commercially available synthetic sorbents that show poor biodegradab ility.

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