Bioelectrochemical systems for environmental remediation of estrogens: A review and way forward

Syed, Zainab; Sogani, Monika; Dongre, Aman; Kumar, Anu; Sonu, Kumar; Sharma, Garima; Gupta, Akhilendra Bhushan

doi:10.1016/j.scitotenv.2021.146544

Cited by 41 publications

(10 citation statements)

References 187 publications

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“…Como desvantagens foi pontuado por ser um processo lento, não são expulsos os metais pesados, o local de biorremediação precisa ter um solo com alta penetrabilidade e que existem lacunas consideráveis no ambiente microbiano. Syed et al (2021) afirma que, os poluentes estrogênicos globais são motivo de preocupação em águas residuais e corpos d'água devido à sua alta atividade de desregulação endócrina, levando a impactos extremamente negativos em humanos e outros organismos, mesmo em concentrações ambientais muito baixa. A biorremediação de estrogênios tem sido estudada extensivamente e uma tecnologia que surgiu com capacidades promissoras são os Sistemas Bioeletroquímicos (BESs).…”

Section: Discussionunclassified

Biorremediação: metodologia sustentável na remoção de xenobióticos da água

Copetti

Jung

Silva

et al. 2022

RSD

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A água é essencial para a sustentabilidade da vida, sendo que apenas 2,5% do volume total é doce e disponível em reservas subterrâneas e superficiais, sendo responsáveis por fornecer água para abastecimento humano, desenvolvimento de atividades econômicas e manutenção da biodiversidade. O crescimento demográfico, a urbanização e a expansão das atividades econômicas agrícolas e industriais requerem a utilização cada vez maior de diferentes produtos químicos, que atingem os recursos hídricos por diferentes vias. Estas substâncias químicas, denominadas xenobióticos, são facilmente encontradas na água, comprometendo a qualidade e o seu fornecimento seguro. Além disso, tornou-se preocupação global por oferecer graves riscos para a saúde humana e manutenção da biodiversidade. O objetivo da pesquisa é verificar se a biorremediação é utilizada para tratamento de águas residuais e de abastecimento, visando fornecer subsídios para definir qual o melhor sistema de tratamento a ser utilizado de acordo com as características da água a ser tratada. Trata-se de uma pesquisa qualitativa, descritiva, tipo revisão integrativa de literatura. Os artigos selecionados apontam a biorremediação como uma alternativa sustentável e econômica para remover xenobióticos da água, utilizando diferentes organismos (microalgas, fungos, cianobactérias). Além disso, a fitorremediação mostrou-se também uma excelente opção para determinados xenobióticos.

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Section: Discussionunclassified

Biorremediação: metodologia sustentável na remoção de xenobióticos da água

Copetti

Jung

Silva

et al. 2022

RSD

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“…Bioelectrochemical systems (BESs) are revolutionary novel bioengineering technology that has substantially diversified their scope over the past decade [26]. These are capable of converting electrical energy into chemical energy (like in microbial electrolytic cells (MECs)) and vice versa (like in microbial fuel cells (MFCs)) by degrading several organic compound substrates, especially lignocellulosic biomass derived from wastewater with the help of microbes or their enzymes to generate valuable products [2,27] such as methanol, ethanol, acetate, formate, or hydrocarbons; these commodities (being precursors) are later converted or directly used as a sustainable green alternative to fossil fuels (See Figure 1).…”

Section: Bioelectrochemical System (Bes)mentioning

confidence: 99%

Valorisation of CO2 into Value-Added Products via Microbial Electrosynthesis (MES) and Electro-Fermentation Technology

et al. 2021

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Microbial electrocatalysis reckons on microbes as catalysts for reactions occurring at electrodes. Microbial fuel cells and microbial electrolysis cells are well-known in this context; both prefer the oxidation of organic and inorganic matter for producing electricity. Notably, the synthesis of high energy-density chemicals (fuels) or their precursors by microorganisms using bio-cathode to yield electrical energy is called Microbial Electrosynthesis (MES), giving an exceptionally appealing novel way for producing beneficial products from electricity and wastewater. This review accentuates the concept, importance and opportunities of MES, as an emerging discipline at the nexus of microbiology and electrochemistry. Production of organic compounds from MES is considered as an effective technique for the generation of various beneficial reduced end-products (like acetate and butyrate) as well as in reducing the load of CO2 from the atmosphere to mitigate the harmful effect of greenhouse gases in global warming. Although MES is still an emerging technology, this method is not thoroughly known. The authors have focused on MES, as it is the next transformative, viable alternative technology to decrease the repercussions of surplus carbon dioxide in the environment along with conserving energy.

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“…Previous review articles on BES have focused on the removal of antibiotics, estrogens, and heavy metals; however, these articles have not discussed the removal of other ECs, such as phenols, dyes, surfactants, and others [12][13][14]. Moreover, recent reviews on xenobiotic compounds removal have not focused on the imperative role of different factors, such as biocatalyst, role of anolyte, and salinity affecting removal of ECs through BES.…”

Section: Introductionmentioning

confidence: 99%

Role of bioelectrochemical systems for the remediation of emerging contaminants from wastewater: A review

et al. 2021

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Bioelectrochemical systems (BESs) are a unique group of wastewater remediating technology that possesses the added advantage of valuable recovery with concomitant wastewater treatment. Moreover, due to the application of robust microbial biocatalysts in BESs, effective removal of emerging contaminants (ECs) can be accomplished in these BESs. Thus, this review emphasizes the recent demonstrations pertaining to the removal of complex organic pollutants of emerging concern present in wastewater through BES.Owing to the recalcitrant nature of these pollutants, they are not effectively removed through conventional wastewater treatment systems and thereby are discharged into the environment without proper treatment. Application of BES in terms of ECs removal and degradation mechanism along with valuables that can be recovered are discussed. Moreover, the factors affecting the performance of BES, like biocatalyst, substrate, salinity, and applied potential are also summarized. In addition, the present review also elucidates the occurrence and toxic nature of ECs as well as future recommendations pertaining to the commercialization of this BES technology for the removal of ECs from wastewater. Therefore, the present review intends to aid the researchers in developing more efficient BESs for the removal of ECs from wastewater.

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Bioelectrochemical systems for environmental remediation of estrogens: A review and way forward

Cited by 41 publications

References 187 publications

Biorremediação: metodologia sustentável na remoção de xenobióticos da água

Biorremediação: metodologia sustentável na remoção de xenobióticos da água

Valorisation of CO2 into Value-Added Products via Microbial Electrosynthesis (MES) and Electro-Fermentation Technology

Role of bioelectrochemical systems for the remediation of emerging contaminants from wastewater: A review

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