Pig slurry treatment by a combined helophytes-biodiscs system.

Martín Girela, Isabel and Martínez, A. and Casadomet, E. and Curt Fernández de la Mora, Mª Dolores (2017). Pig slurry treatment by a combined helophytes-biodiscs system.. In: "15th International Conference on Environmental Science and Technology. Proceedings. Volume of abstracts", 31/08/2017-02/09/2017, Rhodes, Greece. p. 4.

Description

Title: Pig slurry treatment by a combined helophytes-biodiscs system.
Author/s:
  • Martín Girela, Isabel
  • Martínez, A.
  • Casadomet, E.
  • Curt Fernández de la Mora, Mª Dolores
Item Type: Presentation at Congress or Conference (Article)
Event Title: 15th International Conference on Environmental Science and Technology. Proceedings. Volume of abstracts
Event Dates: 31/08/2017-02/09/2017
Event Location: Rhodes, Greece
Title of Book: CEST 2017
Date: 2017
Subjects:
Faculty: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Department: Producción Agraria
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Pig slurry was treated in a pilot wastewater treatment plant composed of a rotobioreactor based on rotating microalgae-biofilm discs, and a helophytes floating filter. Slurry in this work included cleaning water and its main characteristics were: 8,400-5,500 mg O2?L-1 COD, 1,575-800 mg O2?L-1 BOD5 and 2,275-1,799 mg?L-1 total nitrogen. Prior to the experiment, the rotobioreactor was conditioned adding pig slurry for 15 days in order to adapt the microorganisms biofilm to that substrate; at the end of the conditioning period, COD was 3,200 mg O2?L-1. The experiment was carried out for 10 days, adding 200 L pig slurry?day-1 to the rotobioreactor. The mixture in the reactor (diluted pig slurry) flowed by plug-flow to the helophytes floating filter to continue the depuration process. After 10-day treatment, the daily average reduction achieved was 88.3% COD, 97.6% BOD5, 78.5% phosphorous and 85.6% total nitrogen. From the results it was estimated that a load of 1 m3?day-1 pig slurry would require about 1,008 m2 discs area in the reactor and 54 m2 of helophytes floating filter.

More information

Item ID: 49876
DC Identifier: http://oa.upm.es/49876/
OAI Identifier: oai:oa.upm.es:49876
Official URL: https://cest.gnest.org/
Deposited by: Memoria Investigacion
Deposited on: 19 Apr 2018 15:04
Last Modified: 19 Apr 2018 15:04
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