期刊
BIORESOURCE TECHNOLOGY
卷 214, 期 -, 页码 574-581出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2016.05.009
关键词
Remediation; Zinc; Taguchi-method; Bio-refinery; Grasses
资金
- DEFRA
- Coal Authority (UK)
- Environment Agency (UK)
- Natural Resources Wales [WT0968]
- BEACON Biorefining Centre of Excellence - European Regional Development Fund through Welsh Government
- BBSRC [BBS/E/W/10963A01D, BBS/E/W/00003134E] Funding Source: UKRI
- Biotechnology and Biological Sciences Research Council [BBS/E/W/00003134E, BBS/E/W/10963A01D] Funding Source: researchfish
The objective of this work was to identify biomass feedstocks and optimum pyrolysis process conditions to produce a biochar capable of adsorbing metals from polluted groundwater. Taguchi experimental design was used to determine the effects of slow-pyrolysis process conditions on char yield and zinc adsorption. Treatments were repeated using six candidate feedstocks (Lolium perenne, Lolium perenne fibre, Miscanthus x giganteus, Salix viminalis, Fraxinus excelsior and Picea sitchensis) and the resultant chars were tested for metal adsorption performance. Chars produced from L. perenne and its extracted fibre displayed the greatest zinc adsorption performance and removed 83.27-92.96% respectively. Optimum process conditions in terms of both char yield and zinc adsorption performance were achieved from slow-pyrolysis at 300 degrees C for 2 h using a feedstock with a particle size of less than 1 mm. (C) 2016 Elsevier Ltd. All rights reserved.
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