149 resultados para Waste valorization


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Rural Iowa Waste Management Association Independent Auditor's Reports, Financial Statement, Required Supplementary Information and Schedule of Findings for the Period Ending June 30, 2004.

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The Iowa livestock industry generates large quantities of manure and other organic residues; composed of feces, urine, bedding material, waste feed, dilution water, and mortalities. Often viewed as a waste material, little has been done to characterize and determine the usefulness of this resource. The Iowa Department of Natural Resources initiated the process to assess in detail the manure resource and the potential utilization of this resource through anaerobic digestion coupled with energy recovery. Many of the pieces required to assess the manure resource already exist, albeit in disparate forms and locations. This study began by interpreting and integrating existing Federal, State, ISU studies, and other sources of livestock numbers, housing, and management information. With these data, models were analyzed to determine energy production and economic feasibility of energy recovery using anaerobic digestion facilities on livestock faxms. Having these data individual facilities and clusters that appear economically feasible can be identified specifically through the use of a GIs system for further investigation. Also livestock facilities and clusters of facilities with high methane recovery potential can be the focus of targeted educational programs through Cooperative Extension network and other outreach networks, providing a more intensive counterpoint to broadly based educational efforts.

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This report was prepared with the support of the Iowa Department of Natural Resources (IDNR) Contract Number 06-G550-02. It has been prepared for use by the IDNR for the specific purposes identified in the report. Use of the report and its contents for other purposes is prohibited without prior approval from the IDNR. Any opinions, findings, conclusions or recommendations expressed herein are those of the author and do not necessarily reflect the views of the IDNR. The Iowa Department of Natural Resources (IDNR) commissioned the completion of a statewide waste characterization study in 2005.