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Biosorption of Ni2+ by the surface molecular imprinting adsorbent

Paper ID Volume ID Publish Year Pages File Format Full-Text
36356 45129 2006 5 PDF Available
Title
Biosorption of Ni2+ by the surface molecular imprinting adsorbent
Abstract

The surface molecular imprinting adsorbent on the waste biomass from penicillium industry prepared by using imprinting technology can considerably increase adsorption capacity for the imprinted ions. The adsorption capacity for the imprinted ions (Ni2+) of the biomass surface molecular imprinting adsorbent (the surface imprinted adsorbent) obvious increased to 82.5 mg g−1 (the initial Ni2+ concentration of 1000 mg L−1) from 56.2 mg g−1. Biosorption ability for Ni2+ of the surface imprinted adsorbent was notably decreased in citric acid solution, however, no obvious effects at higher Ca2+ or Mg2+ ion concentration in the solution were observed. The surface imprinted adsorbent had higher mechanical strength and better stability in the acid solution compared with the untreated mycelium adsorbent. The adsorption efficiency of the surface imprinted adsorbent was higher than that of the activated carbon, the dynamic adsorption capacity for Ni2+ reached 12.3 mg g−1 at initial Ni2+ concentration of 30 mg L−1 and the adsorbent could be easily desorbed by using 0.05 M HCl solution in wastewater treatment.

Keywords
The biomass surface molecular imprinting; Biomass; Heavy metal ion; Bioadsorption; Wastewater treatment
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 41, Issue 6, June 2006, Pages 1422–1426
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us