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Microbial community structure and biodiversity of size .

Granular sludge, a kind of compact and dense bacterial aggregate with much better settling properties than flocculated sludge (Lemaire, Webb and Yuan 2008), is therefore commonly adopted to achieve an efficient retention of anammox bacteria in bioreactors (Gonzalez-Gil et al. 2015).

Nitrogen Removal by a Nitritation-Anammox Bioreactor at .

liter) nitritation-anammox sequencing batch reactor was adapted to 12°C in 10 days and operated for more than 300 days to in-vestigate the feasibility of nitrogen removal from synthetic pretreated municipal wastewater by the combination of aerobic am-monium-oxidizing bacteria (AOB) and anammox.

Nitrogen Removal by a Nitritation-Anammox Bioreactor at .

Dec 24, 2012 · Currently, nitritation-anammox (anaerobic ammonium oxidation) bioreactors are designed to treat wastewaters with high ammonium concentrations at mesophilic temperatures (25 to .

Diversity of ammonium‐oxidizing bacteria in a granular .

The ammonium‐oxidizing microbial community was investigated in a granular sludge anaerobic ammonium‐oxidizing (anammox) reactor that was operated for about 1 year with high anaerobic ammonium oxidation activity (up to 0.8 kg NH 4 + ‐N m −3 day −1).A Planctomycetales‐specific 16S rRNA gene library was constructed to analyse the diversity of the anaerobic ammonium‐oxidizing .

Research | Granular Sludge Research Group | University of .

The granular sludge research group's focus is on developing novel wastewater treatment technologies to provide cost-effective and eco-friendly solutions to overcome the challenges that the wastewater industry in Canada is currently facing. In this research, biogranulation, formed by self-immobilization of microorganisms would be employed in an up-flow sludge blanket bioreactor operating under .

FORMATION AND EVALUATION OF THE FILTERABILITY OF .

2.3. Granular Sludge Membrane Bioreactor and Granule Filterability In an effort to complement the benefits of the MBR and the aerobic granular sludge and to mitigate their limitations, recently some researchers have tried to combine these two technologies to create novel granular sludge membrane bioreactors (GMBR) (Li et al., 2005; Li

Integrating landfill bioreactors, partial nitritation and .

The experimental system presented in Fig. 5 was comprised of a landfill bioreactor, anoxic reactor, aerobic reactor and anammox reactor. The landfill bioreactor (29 cm diameter, 115 cm height) had .

Metabolic network analysis reveals microbial community .

carrier media or granular sludge reactors are used to retain sufficient biomass in the system8. Such reactor configurations support the formation of dense microbial communities that can be readily separated from the liquid wastewater and enriched in the bioreactor. Anammox granules consist of a .

The membrane bioreactor: A novel tool to grow anammox .

based bioreactors (Rosenwinkel and Cornelius, 2004; Van der Star et al., 2007). Contrary to problems associated with these reactors in the study of anammox organisms, for the application of the anammox process in nitrogen removal, these types of reactors are preferable over MBRs, since anammox bacteria easily form sludge granules or biofilms

Structural Stabilization of Granular Sludge by Addition of .

Three reactors contained aerobic granular sludge and one contained flocculent sludge. One granular sludge SBR received the addition of 100 mg∙L-1 of Ca2+, the second 200 mg∙L-1 of Ca2+, and the third received no intentional addition of calcium. The fourth SBR was operated with conventional flocculent sludge.

Integrating landfill bioreactors, partial nitritation and .

The experimental system presented in Fig. 5 was comprised of a landfill bioreactor, anoxic reactor, aerobic reactor and anammox reactor. The landfill bioreactor (29 cm diameter, 115 cm height) had .

The SHARON-Anammox process for treatment of ammonium rich .

The Anammox process was operated as a granular sludge SBR-process. More than 80% of the ammonia was converted into dinitrogen gas at a load of 1.2 kgN/m3 per day. Planctomycete-like bacteria dominated the mixed community of the Anammox reactor, and only a small percentage of the population consisted of aerobic ammonium-oxidizing bacteria.

Granular activated carbon for aerobic sludge granulation .

Aerobic granulationgranular activat, ed carbon (GAC), low-strength wastewater, 24 . microbial community, sequencing batch reactor (SBR), wastewater treatment. 25 . 26 . 1. Introduction 27 Aerobic granulation is an appealing new technology that transforms loose sludge flocs into 28 dense granules for biological wastewater treatment.

1.2.2 Aerobic granular reactors | Group of Environmental .

This project is part of a partnership with a company (Espina y Delfín) for the design and construction of aerobic granular reactors. The specific objectives of this project are the development of a pilot-scale system for the aerobic treatment of an effluent from a fish canning industry with granular biomass and to evaluate the minimization of sludge production in the system. Moreover, the .

Aerobic Granular Sludge - Aqua-Aerobic Systems .

The AquaNereda® Aerobic Granular Sludge Technology is an innovative wastewater treatment technology that provides advanced biological treatment using the unique features of aerobic granular biomass. The unique process features of the AquaNereda technology translate into a flexible and compact process that offers energy efficiency and .

Bacterial biodiversity from an anaerobic up flow .

In other studies, Candidatus Jettenia asiatica was described as the dominant bacteria in a granular sludge ANAMMOX bioreactor, where AAOB were also found belonging to β-Proteobacteria. The nitrogen removal rate of the reactor was 800 mg N L/d (Quan et al., 2008), somewhat lower comparied to the removal rate obtained in this study (1916 mg N L/d).

Start-Up Characteristics of a Granule-Based Anammox UASB .

The granulation of anammox sludge plays an important role in the high nitrogen removal performance of the anammox reactor. In this study, anaerobic granular sludge was selected as the seeding sludge to start up anammox reactor in order to directly obtain anammox granules. Results showed that the anammox UASB reactor was successfully started up by inoculating anaerobic granular sludge, with .

Influence of Internal Biofilm Growth on Residual .

Integration of aerobic granular sludge and membrane bioreactors for wastewater treatment. Critical Reviews in Biotechnology 2018, 38 (6), 801-816. DOI: 10.1080/07388551.2017.1414140. Fangang Meng, Shaoqing Zhang, Yoontaek Oh, Zhongbo Zhou, Hang-Sik Shin, So-Ryong Chae.

Frontiers | Microbial Population Dynamics and Ecosystem .

Introduction. The aerobic granular sludge process is an emerging technology for the treatment of domestic as well as industrial wastewater streams (Khan et al., 2013).Granular sludge can be considered as a special case of biofilm, where self-immobilized bacterial cells form strong, dense and well-settling aggregates (Show et al., 2012).The properties of the granules allow the process to .

Membrane Systems - Aqua-Aerobic Systems | Total Water .

Aqua-Aerobic® Membrane Systems featuring NO BREAK Aqua MultiBore® membranes that are available in both polymeric and ceramic options. Every membrane system is designed specifically for the application and capable of removing suspended solids, particulate phosphorus, bacteria, cysts and other harmful impurities, resulting in safe, high quality water.

Formation and Characterization of Aerobic Granules in a .

Aerobic granules were cultivated in a sequencing batch reactor (SBR) fed with soybean-processing wastewater at 25 ± 1 °C and pH 7.0 ± 0.1. The granulation process was described via measuring the increase of sludge size. The formation of granules was found to be a four-phase process, that is, acclimating, shaping, developing, and maturated. A modified Logistic model could well fit with the .

Interaction of silver nanoparticles with aerobic granular .

Interaction of silver nanoparticles with aerobic granular sludge in textile wastewater treatment bioreactors Bento, J.B . Staged anaerobic–aerobic sequencing batch reactor (SBR) systems using the novel aerobic granular sludge (AGS) . bioreactor. 2.2 Simulated textile wastewater

Diversity of ammonium‐oxidizing bacteria in a granular .

The ammonium‐oxidizing microbial community was investigated in a granular sludge anaerobic ammonium‐oxidizing (anammox) reactor that was operated for about 1 year with high anaerobic ammonium oxidation activity (up to 0.8 kg NH 4 + ‐N m −3 day −1).A Planctomycetales‐specific 16S rRNA gene library was constructed to analyse the diversity of the anaerobic ammonium‐oxidizing .

Aerobic Granular Sludge SBR

Aerobic granular sludge is an advanced biological wastewater treatment technology that automatically provides the conditions for the bacteria to grow in granular forms versus flocs that are typically grown in activated sludge reactors. They offer the following advantages over conventional treatment:

Microbial community structure and biodiversity of size .

Granular sludge, a kind of compact and dense bacterial aggregate with much better settling properties than flocculated sludge (Lemaire, Webb and Yuan 2008), is therefore commonly adopted to achieve an efficient retention of anammox bacteria in bioreactors (Gonzalez-Gil et al. 2015).

Nereda® Aerobic Granular Biomass

Nereda ® is an innovative advanced biological wastewater treatment technology that purifies water using the unique features of aerobic granular biomass. Unlike conventional processes, the purifying bacteria concentrates naturally in compact granules, with excellent settling properties.

Integration of aerobic granular sludge and membrane .

Aerobic granular sludge has exhibited advantages compared with conventional activated sludge, such as good settleability, the ability to withstand high organic loading rates and tolerance to toxicity (Wang et al. 2017), and the capacity for simultaneous nitrogen and phosphorus removal (Li et al. 2017).In addition, using aerobic granules with compact structure and large particle size has been .

Microbial Biofilms Formed in a Laboratory-Scale Anammox .

technology provides favorable conditions for growth of anammox bacteria by using brush carriers for immobili-zation of activated sludge at all stages of treatment, recycling of treated water from the aerobic bioreactor to the anaerobic denitrifying reactor, etc. [2] [3]. Investigation of nitrogen and carbon consumption by the microbial

FORMATION OF AEROBIC GRANULES IN SEQUENCING .

By the end of the experiment the granules in D bioreactor reached 2 mm in diameter while the granules in GM bioreactor reached up to 4 mm in diameter. Treatment performances increased along with the growth of granules size. Key words: aerobic granular sludge, dairy wastewater, SBR. INTRODUCTION Granular sludge technology is one of the great

Cultivation of aerobic granular sludge in sequencing batch .

In a sequencing batch reactor (SBR) with 2.5h operation cycle, aerobic granular sludge (AGS) was developed successfully. The main diameter and sludge volume index (SVI) of AGS cultivated were 1~3 mm and 33 ml g-1. There were significant effects of pH value on aerobic granulation. The dosage of 300 mgNaHCO3