Abstract:
:As the practice of intensive animal production increases, there is a need for affordable treatment technologies that can help manage the large amounts of manure generated. Our approach has been to develop an efficient liquid-solid separation module using polymer technology and integrate this separation module into systems of treatment technologies for both the separated liquid and solids. We describe the progress that has been made in management techniques and new technological alternatives for manure treatment and generation of value added by-products based on the SELCO-Ecopurin separation technology and experiences during the last five years in 12 livestock farms in Spain, Italy and the USA. High recovery of solids (>90%) makes the use of advanced purification of the liquid a more economical alternative. The liquid can be further treated to reduce N and P and produce effluents virtually free of these nutrients. Production of methane and energy was affected by solids concentration; the anaerobic process was optimised with polymer application rate of 120 ppm during separation and a solids content of 13%.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Martinez-Almela J,Barrera JMdoi
10.1016/j.biortech.2004.05.017subject
Has Abstractpub_date
2005-01-01 00:00:00pages
223-8issue
2eissn
0960-8524issn
1873-2976pii
S0960852404001804journal_volume
96pub_type
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