Critical review on sustainable bioreactors for wastewater treatment and water reuse

Muduli, Monali; Chanchpara, Amit; Choudhary, Meena; Saravaia, Hitesh; Haldar, Soumya; Ray, Subhasree

doi:10.1007/s40899-022-00747-5

Cited by 12 publications

(6 citation statements)

References 102 publications

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“…Biological wastewater treatment has constraints and obstacles due to the fluctuating quality and quantity of wastewater and the toxicity of some molecules [ 95 ]. With the inter-dependence of anaerobic–aerobic treatment systems, considering the individual process advantages in designing an efficient treatment system that can simultaneously produce biogas and reduce the organic load can help in low-carbon generation.…”

Section: Way Forwardmentioning

confidence: 99%

“…Nanotechnology/nanomaterial applications could help to improve the properties and functions of membranes, adsorbents, or biocatalysts, such as increasing their selectivity, stability, or reusability [ 26 ]. The integration of artificial intelligence and machine learning to optimize the design, operation, and control of wastewater treatment systems, such as predicting the behavior, performance, or quality of systems, is widely recommended for the practical and economic viability of bioremediation strategies toward environmental sustainability [ 95 ]. Artificial intelligence is revolutionizing the wastewater treatment sector, presenting intriguing opportunities to enhance effectiveness, eco-friendliness, and robustness.…”

Section: Way Forwardmentioning

confidence: 99%

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Advances in Biological Wastewater Treatment Processes: Focus on Low-Carbon Energy and Resource Recovery in Biorefinery Context

Sravan,

Matsakas,

Sarkar

2024

Bioengineering

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Advancements in biological wastewater treatment with sustainable and circularity approaches have a wide scope of application. Biological wastewater treatment is widely used to remove/recover organic pollutants and nutrients from a diverse wastewater spectrum. However, conventional biological processes face challenges, such as low efficiency, high energy consumption, and the generation of excess sludge. To overcome these limitations, integrated strategies that combine biological treatment with other physical, chemical, or biological methods have been developed and applied in recent years. This review emphasizes the recent advances in integrated strategies for biological wastewater treatment, focusing on their mechanisms, benefits, challenges, and prospects. The review also discusses the potential applications of integrated strategies for diverse wastewater treatment towards green energy and resource recovery, along with low-carbon fuel production. Biological treatment methods, viz., bioremediation, electro-coagulation, electro-flocculation, electro-Fenton, advanced oxidation, electro-oxidation, bioelectrochemical systems, and photo-remediation, are summarized with respect to non-genetically modified metabolic reactions. Different conducting materials (CMs) play a significant role in mass/charge transfer metabolic processes and aid in enhancing fermentation rates. Carbon, metal, and nano-based CMs hybridization in different processes provide favorable conditions to the fermentative biocatalyst and trigger their activity towards overcoming the limitations of the conventional process. The emerging field of nanotechnology provides novel additional opportunities to surmount the constraints of conventional process for enhanced waste remediation and resource valorization. Holistically, integrated strategies are promising alternatives for improving the efficiency and effectiveness of biological wastewater treatment while also contributing to the circular economy and environmental protection.

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Section: Way Forwardmentioning

confidence: 99%

Section: Way Forwardmentioning

confidence: 99%

Advances in Biological Wastewater Treatment Processes: Focus on Low-Carbon Energy and Resource Recovery in Biorefinery Context

Sravan,

Matsakas,

Sarkar

2024

Bioengineering

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“…For the metal containing wastewater treatment, several bioreactors have already been designed and explored for the wastewater treatment depending upon the volume, organisms, support matrix and capacity 11 . In the present work, a wheat straw based fixed bed column bioreactor has been designed and operated.…”

Section: Introductionmentioning

confidence: 99%

Influence of metals on lignocellulolytic enzyme production and metal removal by Phlebia brevispora in a wheat straw based fixed‐bed bioreactor

Sharma,

Sharma

2024

Env Prog and Sustain Energy

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Heavy metals contamination poses a significant environmental threat, which requires the development of eco‐friendly bioremediation techniques. Present research work was conducted using wheat straw in submerged conditions for the growth of white rot fungus, Phlebia brevispora in the presence of varying concentrations of Cd, Pb, Ni, and Cr. The lignocellulolytic enzyme production ability of fungus was monitored. A wheat straw‐based fixed‐bed bioreactor was designed to treat metal‐containing water in continuous mode. The fungus showed a positive influence on laccase production, cellulase production, and lignin peroxidase activity. As observed through atomic absorption spectroscopy (AAS), Cr removal efficiency was 78%–80%, regardless of the initial metal concentration. The Cr was also found on the surface of fungal mycelium as per the results obtained from SEM–EDX. The continuous bioreactor achieved 98%–99% metal removal, making it a natural and cost‐effective solution for metal removal from wastewater using P. brevispora.

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“…However, research has not yet analyzed this cost-effective technology, focusing on energy and water recovery. Given the global energy crisis and rising water demand, bioenergy production and water reuse during wastewater treatment are fundamental to achieving sustainability [9].…”

Section: Introductionmentioning

confidence: 99%

A Short Review on Dye Wastewater Valorization Using Up-Flow Anaerobic Sludge Blanket Reactors

Almeida,

Guimarães

2023

Preprint

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Dye-containing effluent generated in textile industries is polluting and complex wastewater. It should be managed adequately before the final destination. The up-flow anaerobic blanket (UASB) reactor application is an eco-friendly and cost-competitive treatment. The present study briefly reviews the UASB application for dye wastewater valorization. Bioenergy and clean water production potential during dye-containing wastewater treatment are emphasized to promote resource recovery in textile industries. Efficiencies of color and chemical oxygen demand of 50–97% and 60–90% are reported in bench-scale UASB studies. A biogas yield of 0.36–36.04 L d-1 in UASB, which treats dye-containing effluents, is documented. Bioenergy production and water reuse allow environmental and economic benefits. However, data on full-scale UASB treating dye wastewater are missing. Besides, studies on combined systems integrating membrane processes, such as ultrafiltration and nanofiltration, and pretreatment of wastewater and sludge for improvements in biogas production might realize the complete potential for resource recovery of UASB technology.

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Critical review on sustainable bioreactors for wastewater treatment and water reuse

Cited by 12 publications

References 102 publications

Advances in Biological Wastewater Treatment Processes: Focus on Low-Carbon Energy and Resource Recovery in Biorefinery Context

Advances in Biological Wastewater Treatment Processes: Focus on Low-Carbon Energy and Resource Recovery in Biorefinery Context

Influence of metals on lignocellulolytic enzyme production and metal removal by Phlebia brevispora in a wheat straw based fixed‐bed bioreactor

A Short Review on Dye Wastewater Valorization Using Up-Flow Anaerobic Sludge Blanket Reactors

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