rdf-syntax-grammar
mods:
  schema location: http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
  title info:
    title: Nitrate removal from irrigation run-off using packed-bed bioreactors
  name:
    name part: Abrameit, Bradley Kyle.
    role:
      role term: creator
  type of resource: text
  genre: bibliography
  origin info:
    place:
      place term: xx
    date issued: 1996
    issuance: monographic
  language:
    language term: eng
  physical description:
    form: print
    form: remote
    extent: xi, 118 leaves : illustrations ; 28 cm.
  abstract: 2.0, and 2.5 gpm). Efficiency of N03- and N02- removal was
  abstract: 3.5:1 C:N as the electron donor, and NH4NO3, Supplied the
  abstract: anaerobic environment (1.0 to 2.0 ppm DO). The seed colony
  abstract: and 200 ppm for N03- (96% removal) and 1.0 gpm and 50 ppm for
  abstract: and N02- removal was observed along 16 treatment combinations
  abstract: and necrosis of leaf material.
  abstract: concentration step changes from 150 to 100 ppm and 100 to 50
  abstract: concentrations remained steady with slight removal (6.3 -1 1.
  abstract: Denitrification of irrigation runoff was achieved using a
  abstract: electron acceptor (NO3-). The fate of N03-, N02-, and NW, as
  abstract: equilibration, was also observed at 1.0 gpm with negative
  abstract: fixed colony of facultative, heterotrophic bacteria in an
  abstract: flow rate of 1.0 gpm (0.58 hour HRT). The majority of the
  abstract: Hydrogenophaga, Chromobacterium, Rhodobacter, Acidovorox, and
  abstract: I%) occurring in the first two regions. Efficiency of N03-
  abstract: Intermediate regions reduced 5.2-16.5%. Ammonium
  abstract: Methylobacterium. A sub-irrigation growth study utilizing
  abstract: N02-(O.3 ppm effluent). Transient response time, or colony
  abstract: N03- (76.5%) were removed in the first region of the columns
  abstract: observed to be greatest at a treatment combination of 1.0 gpm
  abstract: of 1.0 gpm and 150 ppm was performed on Catharanthus roseus.
  abstract: of N03'(50, 100, 150, and 200 ppm) and flow rate (I. 0, 1. 5,
  abstract: ppm. Approximately two days were needed for equilibration to
  abstract: produced (1.0 ppm) within the first region of the columns
  abstract: regions of the columns at an influent of I 00 ppm N03- and a
  abstract: runoff holding ponds. Methanol was supplied at a ratio of
  abstract: steady state. Microbial species dominating in the bioreactor
  abstract: the discharged bioreactor water from a treatment combination
  abstract: they passed up the columns was analyzed along four equal
  abstract: Those treated with bioreactor water showed severe chlorosis
  abstract: was derived from stirred pond water acquired from golf course
  abstract: were identified as those in the genera Pseudomonas,
  abstract: with subsequent regions removing 4.8-7.6%. Nitrite was
  abstract: with the majority (21.12%) being removed in the final region.
  note: by Bradley Kyle Abrameit.
  note: "Major subject: Horticulture".
  note: Vita.
  note: Also available online.
  note: Issued also on microfiche from Lange Micrographics.
  note: M.S. Texas A&M University 1996.
  note: Includes bibliographical references.
  subject:
    topic: Major horticulture
  identifier: https://hdl.handle.net/1969.1/ETD-TAMU-1996-THESIS-A273
  related item:
    location:
      url: https://hdl.handle.net/1969.1/ETD-TAMU-1996-THESIS-A273
  record info:
    record content source: TXA
    record creation date: 970403
    record change date: 20220103134230.0
    record identifier: in00001333375