BIOSORPTION OF CHROMIUM IONS Cr(III) FROM AQUEOUS SOLUTIONS BY ACTIVATED PLANT BIOMASS OF REYNOUTRIA JAPONICA
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27350%2F16%3A86100521" target="_blank" >RIV/61989100:27350/16:86100521 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.5593/SGEM2016/HB63/S08.027" target="_blank" >http://dx.doi.org/10.5593/SGEM2016/HB63/S08.027</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.5593/SGEM2016/HB63/S08.027" target="_blank" >10.5593/SGEM2016/HB63/S08.027</a>
Alternative languages
Result language
angličtina
Original language name
BIOSORPTION OF CHROMIUM IONS Cr(III) FROM AQUEOUS SOLUTIONS BY ACTIVATED PLANT BIOMASS OF REYNOUTRIA JAPONICA
Original language description
In the present study, the sorption capacity of plant biomass has been studied; particularly the ability of chemically pretreated biomass of stems and leaves of an invasive plant Reynoutria japonica to bind up Cr(III) ions from aqueous solutions. The results of this biosorption study revealed that the rate and extent of uptake of chromium ions were affected by pH level, contact time, biomass concentration and initial metal concentration. The sorption of chromium Cr(III) by B1 and B2 biosorbents activated by 0.01 M HCl and 0.1M HCl at pH 5.0 and 6.0, experiments were carried out with chromium concentrations ranging from 10 to 100 mg/l. In the present study, the maximal experimentally observed uptake capacity for all biosorbents was registered at pH 6. The equilibrium sorption data were described by the Langmuir (Model 1 and 2) and Freudlich isotherms models in both linear and non-linear forms. The Langmuir models 1 and 2 display significantly different values of parameters. Yet, in both linear form models, constant b was the highest in the case of biosorbent B2, activated by 0.01 M HCl. Its value reached 1.2 (in the case of model 2), which gives evidence about high affinity of this sorbent for Cr(III). In addition to this, also correlation coefficient was in this case very high (0.9954). Nevertheless, high value of qmax for this B2 biosorbent (20.79 mg/g) was obtained at pH 6, when activated by 0.1 M HCl.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
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OECD FORD branch
20801 - Environmental biotechnology
Result continuities
Project
<a href="/en/project/QJ1320159" target="_blank" >QJ1320159: Investigation, reuse and disposal of waste products from bio-gas station</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
SGEM VIENNA GREEN 2016 SESSIONS : Scientific konference : proceedings : November 2-6, 2016, Wien, Austria
ISBN
978-619-7105-81-0
ISSN
1314-2704
e-ISSN
—
Number of pages
7
Pages from-to
207-214
Publisher name
STEF92 Technology Ltd.
Place of publication
Sofia
Event location
Vídeň
Event date
Nov 2, 2016
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
000391649800027