Pilot-scale investigation of sludge reduction in aerobic digestion system with endospore-forming bacteria

Seo, Kyu Won; Choi, Youngjin; Gu, Man Bock; Kwon, Eilhann E.; Tsang, Yiu Fai; Rinklebe, Jörg; Park, Chanhyuk

doi:10.1016/j.chemosphere.2017.07.150

Cited by 11 publications

(8 citation statements)

References 32 publications

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“…Additionally, the performance of SCOD removal was excellent over the whole operation period, especially the phase V-IX with above 90% removal (SM Fig. S2), which could benefit the hydroponic cultivation by decreasing the risk of the proliferation of heterotrophic pathogens and biofilms (Lee et al, 2015;Seo et al, 2017).…”

Section: Performance Of Nitrate Production Under Various Controlling ...mentioning

confidence: 96%

A bioreactor and nutrient balancing approach for the conversion of solid organic fertilizers to liquid nitrate-rich fertilizers: Mineralization and nitrification performance complemented with economic aspects

Xie

Spiller

Vlaeminck

2022

Science of The Total Environment

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Section: Performance Of Nitrate Production Under Various Controlling ...mentioning

confidence: 96%

A bioreactor and nutrient balancing approach for the conversion of solid organic fertilizers to liquid nitrate-rich fertilizers: Mineralization and nitrification performance complemented with economic aspects

Xie

Spiller

Vlaeminck

2022

Science of The Total Environment

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“…Environmentally friendly approaches such as adding enzyme secreting bacteria (bioaugmentation) and/or pretreating with enzymes (biostimulation) have the potential to reduce the volume of sludge and simultaneously remove pollutants contained in it (Barnabé et al, 2009;Semblante et al, 2015;Seo et al, 2017). The global market for waste management was valued at around US$2080 billion in 2019, with an estimated compound annual growth rate (CAGR) of 5.5% between 2020 and 2027 and is expected to reach US$2339.8 billion by 2027 (Allied Market Research, 2018), with bioaugmentation representing about a ninth of it.…”

Section: Bioaugmentation-a Reinvigorating Approach To Pretreatment Enhanced Digestion For Municipal Solid Waste Valorizationmentioning

confidence: 99%

“…Mechanical, chemical or their combinational PTs are well-known for their merits such as odorless sludge, extraction of VAPs and the removal of pollutants. However, the major demerits are environmental pollution due to chemical agents, economic constraints and operational feasibility (Yu et al, 2013;Semblante et al, 2015;Seo et al, 2017;Rathankumar et al, 2020). So, the next part of this section focuses on the impact of introducing PT to bioaugmentation and its potentially prolonged effect on the system.…”

Section: Bioaugmentation-a Reinvigorating Approach To Pretreatment Enhanced Digestion For Municipal Solid Waste Valorizationmentioning

confidence: 99%

Integrated Biotechnology Management of Biosolids: Sustainable Ways to Produce Value—Added Products

Vaithyanathan

Cabana

2021

Front. Water

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Biosolids (BS) are organic dry matter produced from wastewater treatment plants (WWTPs). The current yearly worldwide production of BS is estimated to be around 100–125 million tons and is expected to continuously increase to around 150–200 million tons by 2025. Wastewater treatment industries across the globe strive to achieve a green and sustainable manufacturing base for the management of enormous amounts of municipal BS, which are rich in nutrients and organic dry matter along with contaminants. The management of these organic-rich wastes through environmentally friendly recovery technologies is a major challenge. The need to improve waste biomass disposal by biological development and develop more economically viable processes has led to a focus on the transformation of waste resources into value-added products (VAP). This paper assesses the leading disposal methods (based on volume and contaminant reduction) and reviews the state of biotechnological processes for VAP recovery from municipal wastewater sludge (untreated solid waste residual) and BS (stabilized solid waste which meets criteria for its use in land). A review of the anaerobic and aerobic digestion processes is presented to provide a holistic overview of this growing research field. Furthermore, the paper also sheds light on the pollutant reduction and resource recovery approaches for enzymes, bioflocculants, bioplastics, biopesticides, and biogas as a mean to represent BS as a potential opportunity for WWTPs. However, only a few technologies have been implemented for VAP resource recovery and a shift from WWTPs to waste resource recovery facilities is still far from being achieved.

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“…10.1). For example, reduction rates of 90% (here determined as suspended solids, COD and BOD reduction) were reported from a water resource recovery facility (Seo et al 2017). Aerobic processes are faster than anaerobic, but they can be more expensive (Chen et al 1997) as a constant aeration of the sludge-water mixture requires energyintensive pumps or motors.…”

Section: Introductionmentioning

confidence: 99%

Aerobic and Anaerobic Treatments for Aquaponic Sludge Reduction and Mineralisation

Delaide¹,

Monsees

Gross

et al. 2019

Aquaponics Food Production Systems

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Recirculating aquaculture systems, as part of aquaponic units, are effective in producing aquatic animals with a minimal water consumption through effective treatment stages. Nevertheless, the concentrated sludge produced after the solid filtration stage, comprising organic matter and valuable nutrients, is most often discarded. One of the latest developments in aquaponic technology aims to reduce this potential negative environmental impact and to increase the nutrient recycling by treating the sludge on-site. For this purpose, microbial aerobic and anaerobic treatments, dealt with either individually or in a combined approach, provide very promising opportunities to simultaneously reduce the organic waste as well as to recover valuable nutrients such as phosphorus. Anaerobic sludge treatments additionally offer the possibility of energy production since a by-product of this process is biogas, i.e. mainly methane. By applying these additional treatment steps in aquaponic units, the water and nutrient recycling efficiency is improved and the dependency on external fertiliser can be reduced, thereby enhancing the sustainability of the system in terms of resource utilisation. Overall, this can pave the way for the economic improvement of aquaponic systems because costs for waste disposal and fertiliser acquisition are decreased.

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Pilot-scale investigation of sludge reduction in aerobic digestion system with endospore-forming bacteria

Cited by 11 publications

References 32 publications

A bioreactor and nutrient balancing approach for the conversion of solid organic fertilizers to liquid nitrate-rich fertilizers: Mineralization and nitrification performance complemented with economic aspects

A bioreactor and nutrient balancing approach for the conversion of solid organic fertilizers to liquid nitrate-rich fertilizers: Mineralization and nitrification performance complemented with economic aspects

Integrated Biotechnology Management of Biosolids: Sustainable Ways to Produce Value—Added Products

Aerobic and Anaerobic Treatments for Aquaponic Sludge Reduction and Mineralisation

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