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Performance evaluation of continuous flow aerobic granular sludge configurations
Date issued
2019
Author(s)
DOI
10.37358/RC.19.1.6900
Abstract
Increasing the efficiency and capacity of existing wastewater treatment plants can be carried out by
using intensive biological processes. One of the currently studied biological solutions consists in
using aerobic granular sludge in order to achieve both organics and nutrients removal simultaneously
in one tank and with high efficiency. Aerobic granular sludge is currently used at full scale in sequential
batch reactors, research for identifying the optimal solutions for continuous flow systems being carried out worldwide. The paper summarizes the results obtained for two continuous flow configurations with aerobic granular sludge, in terms of organics and nutrients removal for synthetic wastewater in laboratory conditions. Both experimental setups led to wastewater treatment efficiencies, with values ranging between 80 and 99% for COD, 85 and 99% for BOD5, 52 and 98% for NH4 and 5 to 87% for TP.
using intensive biological processes. One of the currently studied biological solutions consists in
using aerobic granular sludge in order to achieve both organics and nutrients removal simultaneously
in one tank and with high efficiency. Aerobic granular sludge is currently used at full scale in sequential
batch reactors, research for identifying the optimal solutions for continuous flow systems being carried out worldwide. The paper summarizes the results obtained for two continuous flow configurations with aerobic granular sludge, in terms of organics and nutrients removal for synthetic wastewater in laboratory conditions. Both experimental setups led to wastewater treatment efficiencies, with values ranging between 80 and 99% for COD, 85 and 99% for BOD5, 52 and 98% for NH4 and 5 to 87% for TP.
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