当前位置： SCI文献检索 > INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES期刊下所有文献 > Hydrothermal encapsulation of lanthanum oxide derived Aegle marmelos admixed chitosan bead system for nitrate and phosphate retention.

Hydrothermal encapsulation of lanthanum oxide derived Aegle marmelos admixed chitosan bead system for nitrate and phosphate retention.

Abstract：

:The potential of hydrothermal technology was utilized for the preparation of promising adsorbents in order to overcome the troubles of methemoglobinemia (blue baby syndrome) and eutrophication which is caused by excess nitrate (NO3-) and phosphate (PO43-) ions in water. Hence, in the present investigation, the chitosan (CS) encapsulated lanthanum oxide (La2O3) admixed Aegle marmelos(AM) (La2O3AM@CS) composite beads was prepared by both in situ precipitation (In situ) and hydrothermal (Hydro) methods for NO3- and PO43- adsorption. The hydro supported La2O3AM@CS composite beads hold an enhanced nitrate and phosphate sorption capacity (SC) of 27.84 and 34.91 mg/g than the other adsorbents prepared by in situ method. The characterization studies of the adsorbents such as FTIR, XRD, SEM and BET analysis were explored in detail. In batch scale, the adsorption affecting parameters such as contact time, pH, adsorbent dosage, initial adsorbate strength, competing anions and temperature was optimized. The fitted experimental data of various isotherms and thermodynamic parameters supports the feasible nature of NO3- and PO43- adsorption system. The field trial investigations and reuse of La2O3AM@CS composite beads were also executed.

journal_name

Int J Biol Macromol

journal_title

International journal of biological macromolecules

authors

Kumar IA,Jeyaprabha C,Meenakshi S,Viswanathan N

doi

10.1016/j.ijbiomac.2019.02.106

subject

Has Abstract

pub_date

2019-06-01 00:00:00

pages

527-535

eissn

0141-8130

issn

1879-0003

pii

S0141-8130(18)36639-X

journal_volume

130

pub_type

杂志文章

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