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Anaerobic-aerobic combined process for treatment of sewage with nutrient removal: ANANOX process

Conference:

Abstract

Results of a three year study on a combined anaerobic-anoxic-oxic municipal waste water treatment process, named ANANOX, are presented. This process demonstrated to be highly efficient, with 89.6% COD, 89.2% TSS and 81.2% N removal, and a sludge production of only 0.2 kg TSS per kg COD removed, a value which is roughly 50% less if compared with traditional nitrification/denitrification processes. Sulphates play a very significant role in the process because, after being reduced in the anaerobic step, where they give a contribution to organic matter degradation, they are then reoxidized in the anoxic step by nitrates, reducing the organic matter need for denitrification. Due to the high dependence of efficiency on temperature, the proposed system has advantageous uses for sewage treatment particularly in warm climates and in touristic and recreational areas where the population increases during the summer.
Publication Date:
Dec 31, 1991
Product Type:
Conference
Report Number:
ETDE-IT-93-24; CONF-9105404-1
Reference Number:
SCA: 320604; 090900; PA: ITA-93:000044; SN: 93000925413
Resource Relation:
Conference: 6. international symposium on anaerobic digestion,Sao Paolo (Brazil),12-16 May 1991; Other Information: PBD: 1991
Subject:
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; 09 BIOMASS FUELS; SLUDGES; ANAEROBIC DIGESTION; MUNICIPAL WASTES; LIQUID WASTES; DENITRIFICATION; SULFATE-REDUCING BACTERIA; TEMPERATURE DEPENDENCE; EFFICIENCY; OPTIMIZATION; WATER TREATMENT; BIOREACTORS; 320604; 090900; MUNICIPAL WASTE MANAGEMENT; PROCESSING
OSTI ID:
10118575
Research Organizations:
ENEA, Bologna (Italy). Area Energia Ambiente e Salute
Country of Origin:
Italy
Language:
English
Other Identifying Numbers:
Other: ON: DE93758899; TRN: 93:000044
Availability:
OSTI; NTIS (US Sales Only)
Submitting Site:
ITA
Size:
10 p.
Announcement Date:
Jun 30, 2005

Conference:

Citation Formats

Garuti, G, Dohanyos, M, and Tilche, A. Anaerobic-aerobic combined process for treatment of sewage with nutrient removal: ANANOX process. Italy: N. p., 1991. Web.
Garuti, G, Dohanyos, M, & Tilche, A. Anaerobic-aerobic combined process for treatment of sewage with nutrient removal: ANANOX process. Italy.
Garuti, G, Dohanyos, M, and Tilche, A. 1991. "Anaerobic-aerobic combined process for treatment of sewage with nutrient removal: ANANOX process." Italy.
@misc{etde_10118575,
title = {Anaerobic-aerobic combined process for treatment of sewage with nutrient removal: ANANOX process}
author = {Garuti, G, Dohanyos, M, and Tilche, A}
abstractNote = {Results of a three year study on a combined anaerobic-anoxic-oxic municipal waste water treatment process, named ANANOX, are presented. This process demonstrated to be highly efficient, with 89.6% COD, 89.2% TSS and 81.2% N removal, and a sludge production of only 0.2 kg TSS per kg COD removed, a value which is roughly 50% less if compared with traditional nitrification/denitrification processes. Sulphates play a very significant role in the process because, after being reduced in the anaerobic step, where they give a contribution to organic matter degradation, they are then reoxidized in the anoxic step by nitrates, reducing the organic matter need for denitrification. Due to the high dependence of efficiency on temperature, the proposed system has advantageous uses for sewage treatment particularly in warm climates and in touristic and recreational areas where the population increases during the summer.}
place = {Italy}
year = {1991}
month = {Dec}
}