Aerobic granular sludge process treats real fish canning wastewater

A. M. S. Paulo*, C. L. Amorim, P. M. L. Castro

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

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Abstract

Aerobic Granular Sludge (AGS) is an innovative technology used for carbon and nutrients removal from wastewater, using less space and energy compared to other biotechnological solutions. Aerobic granules present a compact structure, composed of extracellular polymeric substances (EPS), which increase AGS resistance to variable wastewater composition, as those commonly produced by industry. In this study, C, N and P-removal from a fish canning plant wastewater was evaluated using an AGS-SBR (sequential batch reactor). Throughout the first 3 months of operation with variable feed composition, the chemical oxygen demand (COD) at the outlet was below the discharge limit of 125 mg O2 L-1, phosphorous removal was stable and the nitrification process improved. At the higher organic loading rates (OLR), the AGS performance was temporary affected. This study contributes to understanding the effects of the variability of a real wastewater on an AGS process.
Original languageEnglish
Number of pages2
Publication statusPublished - 9 Sept 2018
Event13th International Chemical and Biological Engineering Conference - Universidade de Aveiro, Aveiro, Portugal
Duration: 2 Oct 20184 Oct 2018

Conference

Conference13th International Chemical and Biological Engineering Conference
Abbreviated titleCHEMPOR 2018
Country/TerritoryPortugal
CityAveiro
Period2/10/184/10/18

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