Abstract：
:In this work, two low-cost wastes, bivalve shell (BS) and Zea mays L. husk leaf (ZHL), were investigated to adsorb malachite green (MG) from aqueous solutions. The ZHL was treated with calcined BS to give the BS-ZHL, and its ability to adsorb MG was compared with untreated ZHL, calcined BS and Ca(OH)(2)-treated ZHL under several different conditions: pH (2-8), adsorbent dosage (0.25-2.5 g L(-1)), contact time (10-30 min), initial MG concentration (10-200 mg L(-1)) and temperature (303-323 K). The equilibrium studies indicated that the experimental data were in agreement with the Langmuir isotherm model. The use of 2.5 g L(-1) BS-ZHL resulted in the nearly complete removal of 200 mg L(-1) of MG with a maximum adsorption capacity of 81.5 mg g(-1) after 30 min of contact time at pH 6 and 323 K. The results indicated that the BS-ZHL can be used to effectively remove MG from aqueous media.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Jalil AA,Triwahyono S,Yaakob MR,Azmi ZZ,Sapawe N,Kamarudin NH,Setiabudi HD,Jaafar NF,Sidik SM,Adam SH,Hameed BHdoi
10.1016/j.biortech.2012.06.066subject
Has Abstractpub_date
2012-09-01 00:00:00pages
218-24eissn
0960-8524issn
1873-2976pii
S0960-8524(12)00980-7journal_volume
120pub_type
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