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Investigation of an Anaerobic-Aerobic Lagoon System Treating Potato Processing Wastes

Konu, 'ARŞİV' kısmında Fatih Özcan tarafından paylaşıldı.

  1. Fatih Özcan

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    Dr. James N. Dornbush*
    Dwayne A. Rollag*
    William J. Trygstad**

    Various methods of treating potato processing wastes have been
    utilized during the past years, however, very limited data are available
    in the 1 iterature demonstrating the effectiveness of an anaerobicaerobic
    la oon system for treating these wastes. Midwest Foods
    Corporation 4 formerly Fairfield Products, Incorporated) of Clark, South
    Dakota, presently utilizes such a system to treat the waste water
    generated from the production of frozen French-fried potatoes. The
    following discussion provides a case hi story of the successes and
    failures of the system.
    When the potato processing plant was constructed prior to the 1970-
    71 season, relatively little consideration was given to design and
    operation of the waste handling system. The waste water treatment
    facilities consisted of a screen and 25-acre stabilization pond. After
    the initial operating season in 1970-71, numerous complaints regarding
    offensive odors from the system were received by company and state
    authorities. Data obtained in June 1971 revealed that the stabilization
    pond was severely over1 oaded. The five-day biochemical oxygen demand
    (BOD5) of the liquid contents was 1180 milligrams per liter. Acting
    upon the complaints, state authorities directed the company to construct
    facilities capable of satisfactorily treating the wastes prior to the
    1971-72 processing season.

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