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Filtering by: Subject Waste products as fertilizer Remove constraint Subject: Waste products as fertilizer Degree Field Bioresource Engineering Remove constraint Degree Field: Bioresource Engineering

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  • Development of a mobile process to extract phosphorus from livestock wastes as a valuable fertilizer

    Creator:
    Hoilman, Gene
    Abstract:
    Environmental and regulatory concerns are causing confined animal feeding operations (CAFO's) to account for phosphorous content when applying wastewater to agricultural fields for disposal. In most cases this requires more land to spread the waste onto so that the phosphorous needs of the crop are not exceeded. A mobile process...
    Resource Type:
    Masters Thesis
    Full Text:
    marketability of the product as a fertilizer. ©Copyright by Gene Hoilman June 6, 2003 All Rights

  • An ammonia stripping and recovery system for animal wastewaters

    Creator:
    Crown, Julia K.
    Abstract:
    Traditionally, livestock operations were small and combined with cropping operations. This allowed farms to be self-sustaining because nutrients were constantly recycled on the farm. Since the Haber-Bosch chemical process was patented, crop farmers turn to industrial fertilizers when soils nutrients are depleted. Animal and plant operations diverged, functionally separated, and...
    Resource Type:
    Masters Thesis
    Full Text:
    great quantities, as in fertilizer runoff, a great growth of biological material, such as algae in