Journal
BIORESOURCE TECHNOLOGY
Volume 102, Issue 17, Pages 8137-8142Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2011.05.092
Keywords
Oxalate; Pb; Solid-state fermentation; Phanerochaete chrysosporium
Funding
- Program for Changjiang Scholars and Innovative Research Team in University [IRT0719]
- National Natural Science Foundation of China [50808073, 50978088, 51039001]
- Environmental Protection Technology Research Program of Hunan [2007185]
- Hunan Key Scientific Research Project [2009FJ1010]
- Hunan Provincial Natural Science Foundation of China [10JJ7005]
- New Century Excellent Talents in University [NCET-08-0181]
Ask authors/readers for more resources
The production of oxalate at different initial Pb2+ concentrations during solid-state fermentation of straw with Phanerochaete chrysosporium was investigated. It was found that the maximal peak value of oxalate concentration (22.84 mM) was detected at the initial Pb2+ concentration of 200 mg kg(-1) dry straw, while the minimum (15.89 mM) at the concentration of 600 mg Pb2+ kg(-1) dry straw, and at moderate concentration of Pb2+ the capability of oxalic acid secretion was enhanced. In addition, it was also found that more oxalic acid accumulation went together with better Pb2+ passivation effect and higher manganese peroxidase (MnP) activity. The present findings will improve the understandings of the interactions of heavy metals with white-rot fungi and the role of oxalate in lignin degradation system, which could provide useful references for more efficient treatment of Pb-contaminated lignocellulosic waste. (C) 2011 Elsevier Ltd. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available