Active microlignins derived from formic acid fractionation for adsorption of Pb(II)

被引：2

作者：

Hou, Xiaobang ^{[1
]}

Zang, Yuwei ^{[1
]}

Xie, Lianke ^{[1
]}

Liu, Xinlu ^{[2
]}

Chen, Xiaoqian ^{[2
]}

Ni, Shuzhen ^{[2
]}

Zhang, Fengshan ^{[3
]}

机构：

[1] Stare Grid Shandong Elect Power Res Inst, Jinan 250003, Peoples R China

[2] Qilu Univ Technol, Shandong Acad Sci, Key Lab Pulp & Paper Sci & Technol,, Fac Light Ind,Minist Educ, Jinan 250353, Peoples R China

[3] Huatai Grp Corp Ltd, Dongying 257335, Shandong, Peoples R China

来源：

MATERIALS LETTERS | 2023年 / 333卷

关键词：

Lignin; LMP; Lead; Adsorption; Metal ion; LIGNIN; REMOVAL; IONS; LEAD;

D O I：

10.1016/j.matlet.2022.133639

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This study reports the preparation of a lignin with abundant phenolic hydroxyls through formic acid fraction-ation and applied it to adsorb the Pb(II). It was found that the resultant LMP (lignin micro particle) had a mean size of 723.6 nm (polydispersity index = 0.956). The adsorption capacity of LMP to Pb(II) at equilibrium reached 96.18 mg/g, which was much higher than other origin lignin and even the modified lignin-based adsorbents. Besides, the LMP could be easily prepared from the black liquor of formic acid fractionation. These findings indicate that the formic acid LMP has a great potential to be used as adsorbents for toxic metal ions.

引用

页数：4

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