Activated carbon coupled with advanced biological wastewater treatment: A review of the enhancement in micropollutant removal

Gutiérrez, M.; Grillini, Vittoria; Pavlović, Dragana Mutavdžić; Verlicchi, Paola

doi:10.1016/j.scitotenv.2021.148050

Cited by 51 publications

(14 citation statements)

References 87 publications

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“…In the selected technologies, the ability to remove MPs from wastewater is due to the promotion of sorption mechanisms and biodegradation in the case of AC [10,15] and to chemical reactions due to direct ozonation, photolysis and reactions through radicals (indirect ozonation) in the case of O 3 /UV [16,17]. Details of MP removal mechanisms and the main factors affecting them in the two different technologies are extensively discussed in [14].…”

Section: Promising Technologies Under Evaluationmentioning

confidence: 99%

“…In the first step, an in-depth literature review was conducted t characteristics of AC and O3/UV treatments, according to the configu The studies included in the survey had to refer to (hospital) effluent in rence and/or treatment, mainly advanced wastewater treatments such bined with UV radiation, or adsorption onto PAC (added in the biore tank, following the biological step) or GAC (in a dedicated column). selection, conducted through SCOPUS, the initial collection of 50 pe was reduced to 36 [1,2,10,[14][15][16][17]19,.…”

Section: Figure 3 Framework Of Swot-sor Analysis Applied To the Selected Technolomentioning

confidence: 99%

“…The studies included in the survey had to refer to (hospital) effluent in terms of MP occurrence and/or treatment, mainly advanced wastewater treatments such as ozonation combined with UV radiation, or adsorption onto PAC (added in the bioreactor or in a contact tank, following the biological step) or GAC (in a dedicated column). Following a careful selection, conducted through SCOPUS, the initial collection of 50 peer-reviewed papers was reduced to 36 [1,2,10,[14][15][16][17]19,.…”

Section: Figure 3 Framework Of Swot-sor Analysis Applied To the Selected Technolomentioning

confidence: 99%

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SWOT-SOR Analysis of Activated Carbon-Based Technologies and O3/UV Process as Polishing Treatments for Hospital Effluent

Grillini

Verlicchi

Zanni

2022

Water

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The management and treatment of hospital wastewater are issues of great concern worldwide. Both in the case of a dedicated treatment or co-treatment with urban wastewater, hospital effluent is generally subjected to pre-treatments followed by a biological step. A polishing treatment is suggested to promote (and guarantee) the removal of micropollutants still present and to reduce the total pollutant load released. Activated carbon-based technologies and advanced oxidation processes have been widely investigated from technical and economic viewpoints and applied in many cases. In this study, the potential exploitation of these technologies for the polishing treatment of hospital effluent is investigated by combining a Strengths, Weaknesses, Opportunities and Threats (SWOT) analysis with a Strategic Orientation (SOR) analysis. This approach allows a coherent strategy to be extracted from the SWOT-SOR data, increasing the chances of success of each technology. It emerges that both technologies present relevant and sometimes similar strengths and can present opportunities. At the same time, activated carbon-based technologies are more likely to contain the main identified threats than O3/UV technology. The study also finds that, for both technologies, further research and development could improve their potential applications in the treatment of hospital wastewater.

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Section: Promising Technologies Under Evaluationmentioning

confidence: 99%

Section: Figure 3 Framework Of Swot-sor Analysis Applied To the Selected Technolomentioning

confidence: 99%

Section: Figure 3 Framework Of Swot-sor Analysis Applied To the Selected Technolomentioning

confidence: 99%

See 1 more Smart Citation

SWOT-SOR Analysis of Activated Carbon-Based Technologies and O3/UV Process as Polishing Treatments for Hospital Effluent

Grillini

Verlicchi

Zanni

2022

Water

Self Cite

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“…Chen, M. et al discovered that adding polyvinyl alcohol (PVA) to powdered AC as an entrapment agent for immobilized microorganisms accelerates the mass transfer process of the reaction system and has the efficacy of both adsorption and entrapment [125]. Gutierrez et al [126] found that ACs served as a carrier for microbial immobilization and improved the treatment efficacy of p-phenol by around 30%. As a result, AC has a synergistic effect on microorganisms and their processing capacities, boosting their adsorption efficiency significantly.…”

Section: Biological Modificationmentioning

confidence: 99%

Surface Modified Activated Carbons: Sustainable Bio-Based Materials for Environmental Remediation

et al. 2021

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Global warming and water/air contamination caused by human activities are major challenges in environmental pollution and climate change. The improper discharge of a large amount of agro-forest byproduct is accelerating these issues mainly in developing countries. The burning of agricultural byproducts causes global warming, whereas their improper waste management causes water/air pollution. The conversion of these waste materials into effective smart materials can be considered as a promising strategy in waste management and environmental remediation. Over the past decades, activated carbons (ACs) have been prepared from various agricultural wastes and extensively used as adsorbents. The adsorption capacity of ACs is linked to a well-developed porous structure, large specific surface area, and rich surface functional moieties. Activated carbon needs to increase their adsorption capacity, especially for specific adsorbates, making them suitable for specific applications, and this is possible by surface modifications of their surface chemistry. The modifications of surface chemistry involve the introduction of surface functional groups which can be carried out by various methods such as acid treatment, alkaline treatment, impregnation, ozone treatment, plasma treatment, and so on. Depending on the treatment methods, surface modification mainly affects surface chemistry. In this review, we summarized several modification methods for agricultural-waste-based ACs. In addition, the applications of AC for the adsorption of various pollutants are highlighted.

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“…Recently, EE2 removal was evaluated in an MBR (with a microfiltration membrane) coupled with reverse osmosis or UV/H 2 O 2 as advanced oxidation process, and both hybrid processes exhibited >99% removal rates, whereas MBRs alone showed an 82e90% removal rate [45]. In addition, it has been reported that activated carbon (AC) (including powder AC [<50 mm in size] and granular AC [100e2400 mm in size]) coupled with MBRs achieved significantly higher efficiencies for hormone removal than MBRs alone [46].…”

Section: Membrane Biological Reactorsmentioning

confidence: 99%

Recent applications of biological technologies for decontaminating hormones in livestock waste and wastewater

Zhou¹,

Zheng²,

Hoek

et al. 2021

Current Opinion in Environmental Science & Health

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Activated carbon coupled with advanced biological wastewater treatment: A review of the enhancement in micropollutant removal

Cited by 51 publications

References 87 publications

SWOT-SOR Analysis of Activated Carbon-Based Technologies and O3/UV Process as Polishing Treatments for Hospital Effluent

SWOT-SOR Analysis of Activated Carbon-Based Technologies and O3/UV Process as Polishing Treatments for Hospital Effluent

Surface Modified Activated Carbons: Sustainable Bio-Based Materials for Environmental Remediation

Recent applications of biological technologies for decontaminating hormones in livestock waste and wastewater

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