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Click on “Download PDF” for the PDF version or on the title for the HTML version. If you are not an ASABE member or if your employer has not arranged for access to the full-text, Click here for options. HEAVY METALS IN THE WINDROW COMPOSTING OF PIG MANUREPublished by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org Citation: Proceedings of the Seventh International Symposium, 18-20 May 2005 (Beijing, China) Publication Date 18 May 2005 701P0205.(doi:10.13031/2013.18375)Authors: Hongkun Huang, Hongmin Dong, Xiuping Tao Keywords: copper, zinc, cadmium, windrow composting system, pig manure Animal manure consists of nutrients and harmful organic matter. The heavy metals of animal manure come from animal feeds, such as copper, zinc, and cadmium. In the experiment, the pig manure was composted by windrow composting system with three treatments (peanut hull, EM, and wheat straw), and the heavy metals were analyzed. The results show that the copper and cadmium concentrations increased, while the zinc concentration remained unchanged after composting. (Download PDF) (Export to EndNotes)
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