Heavy metal tolerance of fungi

被引:113
作者
Anahid, S. [1 ]
Yaghmaei, S. [1 ]
Ghobadinejad, Z. [2 ]
机构
[1] Sharif Univ Technol, Dept Chem & Petr Engn, Tehran, Iran
[2] Sharif Univ Technol, Biochem & Bioenvironm Res Ctr, Tehran, Iran
关键词
Tolerance; Bioleaching; Spent refinery processing catalyst; Adaptation; ASPERGILLUS-NIGER; THERMOPHILIC BACTERIA; CATALYST; COPPER; ORES;
D O I
10.1016/j.scient.2011.05.015
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This study was focused on the heavy metal (Ni, Co, Mo, V, Mn, Fe, W and Zn) tolerance of fungi strains Aspergillus niger, Aspergillus foetidus and Penicillium simplicissimum. Aspergillus niger was exposed to a mixture of Mo, V and Mn at a mass ratio of 1:2:6 as approximately present in the spent refinery processing catalyst. This study highlights the adaptation of fungi strains to Tungsten and Vanadium to high concentration. The effect of different metals and metal concentration on different strains of fungi was evaluated. Results showed that Ni was one of the most toxic metals for strains of Aspergillus and Penicillium. Aspergillus foetidus was the least tolerant, in particular for Ni, Co and Zn. In this work, Aspergillus niger, Aspergillus foetidus and Penicillium simplicissimum showed higher tolerance towards Mo and V, and the three fungi have a good potential for the bioleaching of spent refinery processing catalysts that contain Mo and V. The main objective of this study is to identify the best strain, based on tolerance development, for the spent refinery processing catalyst. (C) 2011 Sharif University of Technology. Production and hosting by Elsevier B.V. All rights reserved.
引用
收藏
页码:502 / 508
页数:7
相关论文
共 17 条
[1]  
ABDUL T, 2007, SCI IRAN, V14, P106
[2]   Bioleaching of spent fluid catalytic cracking catalyst using Aspergillus niger [J].
Aung, KMM ;
Ting, YP .
JOURNAL OF BIOTECHNOLOGY, 2005, 116 (02) :159-170
[3]   Extracellular and cellular mechanisms sustaining metal tolerance in ectomycorrhizal fungi [J].
Bellion, M ;
Courbot, M ;
Jacob, C ;
Blaudez, D ;
Chalot, M .
FEMS MICROBIOLOGY LETTERS, 2006, 254 (02) :173-181
[4]   LEACHING OF METALS WITH FUNGI [J].
BURGSTALLER, W ;
SCHINNER, F .
JOURNAL OF BIOTECHNOLOGY, 1993, 27 (02) :91-116
[5]   Spent refinery catalysts: Environment, safety and utilization [J].
Furimsky, E .
CATALYSIS TODAY, 1996, 30 (04) :223-286
[6]   INTERACTIONS OF FUNGI WITH TOXIC METALS [J].
GADD, GM .
NEW PHYTOLOGIST, 1993, 124 (01) :25-60
[7]  
GADD GM, 1978, MICROBIAL ECOL, V4, P303, DOI 10.1007/BF02013274
[8]  
Izadpanah MR, 2009, SCI IRAN TRANS C, V16, P54
[9]   Bioleaching nickel laterite ores using multi-metal tolerant Aspergillus foetidus organism [J].
Le, L. ;
Tang, J. ;
Ryan, D. ;
Valix, M. .
MINERALS ENGINEERING, 2006, 19 (12) :1259-1265
[10]  
Maghsoodi V., 2007, SCI IRAN TRANS C, V16, P180