Linked Life Data

18662871

Source:http://linkedlifedata.com/resource/pubmed/id/18662871

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2008-10-22
pubmed:abstractText
In this paper, waste sawdust was functionalized by monosodium glutamate for improving its cationic sorption capacity. The functionalized sawdust (FS) and crude sawdust (CS) were compared for their malachite green (MG) sorption behaviors with a batch system. The effects of various experimental parameters (e.g. initial pH, sorbent dose, dye concentration, contact time, and temperature etc.) were investigated and the sorption kinetic and thermodynamic characteristics were understood. The MG removal ratios on FS and on CS increased with increasing initial pH and came up to the maximum value beyond pH 6 for FS and pH 8 for CS, respectively. The ratio of sorbed MG kept above 95% for 250 mg/l of MG solution when 2.0 g/l or more of FS was used. The MG removal percentage decreased more on CS than on FS with increasing initial MG concentration. The isothermal data of MG sorbed on FS and on CS followed the Langmuir model. By functionalizing, the sorption capacity (Q(m)) of sawdust for MG was increased from 85.47 to 196.08 mg/g and the sorption equilibrium time of MG was shortened from 23 to 4.5 h. The MG sorption processes on FS and on CS followed the pseudo-second-order rate kinetics. The sorptions of MG on FS and on CS were spontaneous and exothermic processes and lower temperatures were favorable for the sorption processes.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jan
pubmed:issn
1873-2976
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
100
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
975-8
pubmed:meshHeading
pubmed:year
2009
pubmed:articleTitle
Functionalization of sawdust with monosodium glutamate for enhancing its malachite green removal capacity.
pubmed:affiliation
College of Life Science, Anhui Normal University, Wuhu 241000, PR China. rmgong.nju@163.com
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't, Evaluation Studies