PREPARATION OF MERCAPTOACETYL CORN STRAW, A Cd(Ⅱ) ADSORBENT

ZHANG Yong-ping; WANG Gang; XU Min; SONG Xiao-san

doi:10.13205/j.hjgc.202003020

Volume 38 Issue 3

Jun. 2020

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2020 > 38(3): 116-122

ZHANG Yong-ping, WANG Gang, XU Min, SONG Xiao-san. PREPARATION OF MERCAPTOACETYL CORN STRAW, A Cd(Ⅱ) ADSORBENT[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(3): 116-122. doi: 10.13205/j.hjgc.202003020

Citation:

ZHANG Yong-ping, WANG Gang, XU Min, SONG Xiao-san. PREPARATION OF MERCAPTOACETYL CORN STRAW, A Cd(Ⅱ) ADSORBENT[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(3): 116-122. doi: 10.13205/j.hjgc.202003020

ZHANG Yong-ping, WANG Gang, XU Min, SONG Xiao-san. PREPARATION OF MERCAPTOACETYL CORN STRAW, A Cd(Ⅱ) ADSORBENT[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(3): 116-122. doi: 10.13205/j.hjgc.202003020

Citation:

ZHANG Yong-ping, WANG Gang, XU Min, SONG Xiao-san. PREPARATION OF MERCAPTOACETYL CORN STRAW, A Cd(Ⅱ) ADSORBENT[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(3): 116-122. doi: 10.13205/j.hjgc.202003020

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PREPARATION OF MERCAPTOACETYL CORN STRAW, A Cd(Ⅱ) ADSORBENT

doi: 10.13205/j.hjgc.202003020

School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China

Received Date: 2019-07-08

Abstract

Abstract

A novel heavy metal adsorbent, mercaptoacetyl corn straw (MACS), was prepared by chemical reaction with corn straw and mercaptoacetic acid (TGA). The removal performance of Cd(Ⅱ) in water aqueous with MACS was taken as the main indicator, and the preparation conditions of MACS were investigated by single factor experiments. The result showed that the optimum preparation condition for MACS was as follows: the size of corn straw was 0.2 mm (through 80-mesh screen), the mass ratio of NHS and EDC·HCl was 0.5:1, the ratio of CS and TGA (g:mL) was 1:5, pH value in reaction medium was 5.0, the reaction temperature was 25 ℃ and the reaction time was 2 h. Under that, the highest removal rate of Cd(Ⅱ) could reached 61.57%. FTIR analysis results revealed that the mercapto groups were successfully grafted onto the molecular chains of CS.
- corn straw,
- adsorbent,
- single factor experiment,
- cadmium containing wastewater

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References(20)

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