Adsorption of salicylic acid in aqueous solution by a water-compatible hyper-cross-linked resin functionalized with amino-group

2012 ◽  
Vol 127 (5) ◽  
pp. 3858-3863 ◽  
Author(s):  
Gu-Qing Xiao ◽  
Hua Li ◽  
Man-Cai Xu
Keyword(s):  
Aqueous Solution ◽  
Salicylic Acid ◽  
Amino Group

Synthesizing a surface-imprinted polymer based on the nanoreactor SBA-15 for optimizing the adsorption of salicylic acid from aqueous solution by response surface methodology

2021 ◽  
Vol 45 (14) ◽  
pp. 6192-6205
Author(s):  
Haiqing Xu ◽  
Yuhang Gao ◽  
Qiantu Tao ◽  
Aiping Li ◽  
Zhanchao Liu ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Response Surface Methodology ◽  
Salicylic Acid ◽  
Response Surface ◽  
Molecularly Imprinted Polymer ◽  
Adsorption Property ◽  
Mesoporous Structure ◽  
Imprinted Polymer ◽  
Molecularly Imprinted ◽  
Ordered Mesoporous

The molecularly imprinted polymer prepared on the nanoreactor SBA-15 displayed excellent ordered mesoporous structure and superior adsorption property for salicylic acid.

scholarly journals Adsorption of Phenol from Aqueous Solution by Aminated Hypercrosslinked Polymers

2005 ◽  
Vol 23 (4) ◽  
pp. 335-346 ◽  
Author(s):  
Yue Sun ◽  
Jin-Long Chen ◽  
Ai-Min Li ◽  
Fu-Qiang Liu ◽  
Quan-Xing Zhang
Keyword(s):  
Aqueous Solution ◽  
Adsorption Process ◽  
Kinetic Studies ◽  
Amino Group ◽  
Commercial Resin ◽  
The Matrix ◽  
Basic Anion Exchange Resin ◽  
Tertiary Amino ◽  
Basic Anion ◽  
Hypercrosslinked Polymeric Adsorbent

The adsorption of phenol from aqueous solution onto the hypercrosslinked polymeric adsorbent NDA-100 and its dimethylamine aminated derivatives AH-1, AH-2 and AH-3, the commercial resin Amberlite XAD-4 and the weakly basic anion-exchange resin D301 was compared. Of the tested polymers, the aminated hypercrosslinked resins had the highest adsorption capacities. The empirical Freundlich equation was successfully employed to describe the adsorption process. The specific surface area and the micropore structure of the adsorbent together with the tertiary amino group on the matrix affected the adsorption performance towards phenol. Furthermore, these factors also influenced the thermodynamic properties. Kinetic studies demonstrated that the presence of the tertiary amino group on the polymer matrix decreased the adsorption rate and increased the apparent activation energy of the adsorption process.

Effect of amino group protonation on the carboxyl group in aqueous glycine observed by O 1s X-ray emission spectroscopy

2018 ◽  
Vol 20 (36) ◽  
pp. 23214-23221 ◽  
Author(s):  
Y. Horikawa ◽  
T. Tokushima ◽  
O. Takahashi ◽  
Y. Harada ◽  
A. Hiraya ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Amino Acid ◽  
Electronic Structures ◽  
Emission Spectroscopy ◽  
Selective Excitation ◽  
Carboxyl Group ◽  
Amino Group ◽  
X Ray ◽  
Excitation Conditions ◽  
Amino Acid Glycine

The valence electronic structures of the amino acid glycine in aqueous solution were investigated in detail through X-ray emission spectroscopy at O 1s excitation under selective excitation conditions of the CO site in the carboxyl group.

Rate of lactamization of benzylstrychnine in acid solution

1984 ◽  
Vol 62 (1) ◽  
pp. 144-146 ◽  
Author(s):  
John T. Edward ◽  
Sin Cheong Wong ◽  
Robert A. McClelland
Keyword(s):  
Aqueous Solution ◽  
Sulfuric Acid ◽  
Acid Solution ◽  
Acid Concentration ◽  
Amino Group ◽  
Cage Structure ◽  
Basic Formula

The rate of lactamization of benzylstrychnine in aqueous solution at 25 °C increases with acid concentration up to 5–10% sulfuric acid, and thereafter decreases. The maximum can be explained by taking account of the extent of protonation of the aromatic amino group with increasing acid concentration. This amino group is unusually weakly basic [Formula: see text], perhaps because it is locked in an extremely rigid cage structure which opposes the rehybridization of N which must take place when it is protonated.

Efficient removal of heavy metal ions from aqueous solution using salicylic acid type chelate adsorbent

2011 ◽  
Vol 192 (3) ◽  
pp. 956-962 ◽  
Author(s):  
Fuqiang An ◽  
Baojiao Gao ◽  
Xin Dai ◽  
Min Wang ◽  
Xiaohua Wang
Keyword(s):  
Aqueous Solution ◽  
Heavy Metal ◽  
Salicylic Acid ◽  
Metal Ions ◽  
Heavy Metal Ions ◽  
Efficient Removal ◽  
Acid Type

Complexation of iron by salicylic acid and its effect on atrazine photodegradation in aqueous solution

2010 ◽  
Vol 4 (2) ◽  
pp. 157-163 ◽  
Author(s):  
Xiaoxia Ou ◽  
Chong Wang ◽  
Fengjie Zhang ◽  
Xie Quan ◽  
Yan Ma ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Salicylic Acid
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