Biosorption of Pb<sup>2+</sup> with Modified Soybean Hulls as Absorbent

李嘉; 陈恩赞; 苏海佳; 谭天伟

doi:10.1016/S1004-9541(11)60173-0

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Biosorption of Pb²⁺ with Modified Soybean Hulls as Absorbent

Updated：2026-01-06

- Biosorption of Pb²⁺ with Modified Soybean Hulls as Absorbent
- Chinese Journal of Chemical Engineering Vol. 19, Issue 2, Pages: 334-339(2011)
- Affiliations：
  
  State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology,Beijing,China,100029
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(11)60173-0
  CLC：
- Published：2011
- Accepted：
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with Modified Soybean Hulls as Absorbent[J]. , 2011, 19(2): 334-339.
DOI：

with Modified Soybean Hulls as Absorbent[J]. , 2011, 19(2): 334-339. DOI： 10.1016/S1004-9541(11)60173-0.

摘要

Abstract

Using soybean hull residue after the soluble dietary fiber being removed during the soybean processing industry as crude material

a novel absorbent

modified soybean hulls

is prepared.Its adsorption behavior for Pb

is studied.The adsorbent has a large and efficient adsorption capacity for Pb

up to 20% of the mass of dry ad-sorbent.Its maximum adsorption capacity for Pb

reaches 217 mg·g

-1

at initial Pb

concentration of 2000 mg·L

-1

which is twice that of yeast absorbent and threefold greater than that of chitosan absorbent.The adsorption ability is sensitive to pH value in the solution and the optimal pH for adsorption of Pb

is 7.0.In the presence of other metal ions (Ca

and Na

) in the solution

their effect on the adsorption capacity for Pb

is not obvious.After 5 cycles of adsorption

80% adsorption capacity of Pb

is maintained.Compared with various available commercial resins

the modified soybean hulls are a plentiful

inexpensive and effective medium for the capture of dissolved Pb

from waste streams.

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⁰

Biosorption of Pb2+ with Modified Soybean Hulls as Absorbent

DOI：10.1016/S1004-9541(11)60173-0

摘要

Abstract

关键词

Keywords

references

Biosorption of Pb²⁺ with Modified Soybean Hulls as Absorbent