Document Detail


Leaching characteristics of fly ash from Chinese medical waste incineration.
MedLine Citation:
PMID:  20601401     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Many of the characteristics of typical medical waste ash can be found by using ash leaching experiments. The present study investigated the characteristics of fly ash derived from incineration of medical waste in China. The particle diameter of the fly ash was in the range 154-900 μm. Elemental analyses of the fly ash indicated that it contained calcium, aluminium, iron, sodium, potassium and magnesium, and that copper, lead, chromium and mercury were the dominant heavy metals it contained. As leaching time was increased the leaching concentrations of the heavy metals increased and the leaching toxicity was augmented. When the pH was neutral, the concentrations of most heavy metals in the leachate were minimum whereas when the pH was alkali or acid, the leaching toxicity was greatly enhanced. High temperature melting was found to be a good method of fixing heavy metals, and the main components of the sinter were Fe(3)O(4), SiO(2), CaSO(4) and CaSiO(3), etc.
Authors:
Zhongxin Tan; Gang Xiao
Publication Detail:
Type:  Journal Article     Date:  2010-07-02
Journal Detail:
Title:  Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA     Volume:  30     ISSN:  1399-3070     ISO Abbreviation:  Waste Manag Res     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-03-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9881064     Medline TA:  Waste Manag Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  285-94     Citation Subset:  IM    
Affiliation:
1Division of Waste Science and Technology, Lulea University of Technology, Lulea, Sweden.
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