一种新型纤维素吸附剂的制备研究

Abstract

Abstract: A novel cellulose adsorbent was made from bagasse cellulose, acrylic acid (AA), acrylamide(AM), and [2-(methyl-acryloyloxy)ethyl]trimethylammonium chloride (MAETAC) through graft copolymerization. Factors affecting the adsorption capacity of the product, such as NaOH mass fraction, alkalification time, AA dosage, neutralization degree of AA and AM dosage, were discussed in detail. The optimal conditions were found to be as follows: NaOH mass fraction 30%, alkalification time 90min, cellulose dosage 20%, neutralization degree of AA 60%, AA dosage 47.3%, AM dosage 26.3%, MAETAC dosage 6.4%, initiator dosage 2.6%, reaction temperature 70℃, reaction time 3h. Cu²⁺ adsorption of the adsorbent made under the optimized synthesis condition was 25.1mg/g.

Key words: adsorbent, acrylic acid, acrylamide, cellulose, graft copolymerization

CLC Number:

TQ424
TQ352

WANG Yu;WANG Dan;SHANG Shi-bin;SONG Zhan-qian;WANG Hong-xiao. Preparation of a Novel Cellulose Adsorbent[J]. , 2008, 28(2): 77-81.

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Preparation of a Novel Cellulose Adsorbent

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