DETERMINATION OF OPTIMAL TEMPERATURE FOR BIOSORPTION OF HEAVY METAL MIXTURE FROM AQUEOUS SOLUTION BY PRETREATED BIOMASS OF ASPERGILLUS NIGER

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YOUSEFI JAVAD; YOUNESI HABIBOLLAH; HAJ AHMADI ZAHRA

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Journal: Water and Wastewater Year:2011 | Volume:22 | Issue:4 (80) Page(s): 37-42

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Title

DETERMINATION OF OPTIMAL TEMPERATURE FOR BIOSORPTION OF HEAVY METAL MIXTURE FROM AQUEOUS SOLUTION BY PRETREATED BIOMASS OF ASPERGILLUS NIGER

Author(s)

YOUSEFI JAVAD | YOUNESI HABIBOLLAH | HAJ AHMADI ZAHRA | Issue Writer Certificate

Keywords

BIOSORPTIONQ3

TEMPERATUREQ2

ASPERGILLUS NIGERQ3

ZNQ2

COQ3

CDQ2

Abstract

BIOSORPTION is a novel technology that uses dead and inactive biomass for removal of heavy metals from aqueous solution. Some parameters such as TEMPERATURE, COntact time, solution pH, initial metal COncentration, biosorbent dose and also agitating speed of solution and biosorbent mixing can affect the amount of metal sorption by biosorbent. The aim of this study was to investigate the effects of different treatments of TEMPERATUREs (25, 35, 45 and 55oC) on BIOSORPTION of metals mixture in order to determine optimal TEMPERATURE for more metals removal from aqueous solution. This study uses dead and pretreated biomass of ASPERGILLUS NIGER with 0.5N NaOH for removal of ZN (II), CO (II) and CD (II). In all TEMPERATURE treatments and in the case of all of heavy metals, maximum amount of metal sorption and COncentration decrease was occurred in first 5 minutes and achieved toequilibrium after 20 minute. The percent of metals sorption show growth trend with TEMPERATURE increase. Between 4 experimental treatments, 55oC treatment was shown maximum sorption and 25oC was shown minimum sorption amount. The percent of Cr (II) sorption was increase from 28.5% in 25oC to 44.7% in 55oC. Also, this increase was from 40% to 58% for CD (II) and from 37.7% to 65.6% for ZN (II). About 60% of increase in sorption by A. niger was due to increase in TEMPERATURE. Therefore the amount of metals sorption can be increase, only with TEMPERATURE increase and without any biomass addition.

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APA: Copy

YOUSEFI, JAVAD, YOUNESI, HABIBOLLAH, & HAJ AHMADI, ZAHRA. (2011). DETERMINATION OF OPTIMAL TEMPERATURE FOR BIOSORPTION OF HEAVY METAL MIXTURE FROM AQUEOUS SOLUTION BY PRETREATED BIOMASS OF ASPERGILLUS NIGER. WATER AND WASTEWATER, 22(4 (80)), 37-42. SID. https://sid.ir/paper/103698/en

Vancouver: Copy

YOUSEFI JAVAD, YOUNESI HABIBOLLAH, HAJ AHMADI ZAHRA. DETERMINATION OF OPTIMAL TEMPERATURE FOR BIOSORPTION OF HEAVY METAL MIXTURE FROM AQUEOUS SOLUTION BY PRETREATED BIOMASS OF ASPERGILLUS NIGER. WATER AND WASTEWATER[Internet]. 2011;22(4 (80)):37-42. Available from: https://sid.ir/paper/103698/en

IEEE: Copy

JAVAD YOUSEFI, HABIBOLLAH YOUNESI, and ZAHRA HAJ AHMADI, “DETERMINATION OF OPTIMAL TEMPERATURE FOR BIOSORPTION OF HEAVY METAL MIXTURE FROM AQUEOUS SOLUTION BY PRETREATED BIOMASS OF ASPERGILLUS NIGER,” WATER AND WASTEWATER, vol. 22, no. 4 (80), pp. 37–42, 2011, [Online]. Available: https://sid.ir/paper/103698/en

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