TY - JOUR
T1 - Preparation, characterization and lead adsorption study of tripolyphosphate-modified waste Lyocell fibers
AU - Bediako, John Kwame
AU - Reddy, D. Harikishore Kumar
AU - Song, Myung Hee
AU - Wei, Wei
AU - Lin, Shuo
AU - Yun, Yeoung Sang
N1 - Publisher Copyright:
© 2016 Elsevier Ltd.
PY - 2017/2/1
Y1 - 2017/2/1
N2 - A facile modification of waste textile cellulose Lyocell fibers with tripolyphosphate and application of the adsorbent thereof to the treatment of Pb(II)-contaminated wastewater was investigated. Characterization and batch adsorption studies were conducted to understand the characteristics of the prepared adsorbent and its metal binding mechanisms. The adsorbent showed 100% adsorptive removal efficiency of Pb(II) at initial concentrations up to 300 mg/L, and the adsorption performance was significant even at low pH ranges. The adsorption isotherm followed the Langmuir model, and the kinetic was described by the pseudo-first and pseudo-second order models. By comparison, the adsorbent showed strong competitiveness to existing ones especially in terms of the adsorption capacity, pH, and kinetics of adsorption, and could be reused. Considering its cheap source and simplicity of preparation, the adsorbent could be applied as a low-cost material for heavy metal scavenging from wastewater streams.
AB - A facile modification of waste textile cellulose Lyocell fibers with tripolyphosphate and application of the adsorbent thereof to the treatment of Pb(II)-contaminated wastewater was investigated. Characterization and batch adsorption studies were conducted to understand the characteristics of the prepared adsorbent and its metal binding mechanisms. The adsorbent showed 100% adsorptive removal efficiency of Pb(II) at initial concentrations up to 300 mg/L, and the adsorption performance was significant even at low pH ranges. The adsorption isotherm followed the Langmuir model, and the kinetic was described by the pseudo-first and pseudo-second order models. By comparison, the adsorbent showed strong competitiveness to existing ones especially in terms of the adsorption capacity, pH, and kinetics of adsorption, and could be reused. Considering its cheap source and simplicity of preparation, the adsorbent could be applied as a low-cost material for heavy metal scavenging from wastewater streams.
KW - Adsorption mechanism
KW - Heavy metal
KW - Lyocell
KW - Modification
KW - Sodium tripolyphosphate
UR - http://www.scopus.com/inward/record.url?scp=85007238036&partnerID=8YFLogxK
U2 - 10.1016/j.jece.2016.12.022
DO - 10.1016/j.jece.2016.12.022
M3 - Article
AN - SCOPUS:85007238036
SN - 2213-3437
VL - 5
SP - 412
EP - 421
JO - Journal of Environmental Chemical Engineering
JF - Journal of Environmental Chemical Engineering
IS - 1
ER -