Recent Strategies for Bioremediation of Emerging Pollutants: A Review for a Green and Sustainable Environment

Toxics, Год журнала: 2022, Номер 10(8), С. 484 - 484

Опубликована: Авг. 19, 2022

Environmental pollution brought on by xenobiotics and other related recalcitrant compounds have recently been identified as a major risk to both human health the natural environment. Due their toxicity non-biodegradability, wide range of pollutants, such heavy metals, polychlorinated biphenyls, plastics, various agrochemicals are present in Bioremediation is an effective cleaning technique for removing toxic waste from polluted environments that gaining popularity. Various microorganisms, including aerobes anaerobes, used bioremediation treat contaminated sites. Microorganisms play role bioremediation, given it process which hazardous wastes pollutants eliminated, degraded, detoxified, immobilized. Pollutants degraded converted less forms, primary goal bioremediation. Ex situ or can be used, depending variety factors, cost, pollutant types, concentration. As result, suitable method has chosen. This review focuses most recent developments techniques, how microorganisms break down different what future holds order reduce amount world.

Язык: Английский

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Bioremediation of environmental wastes: the role of microorganisms

Frontiers in Agronomy, Год журнала: 2023, Номер 5

Опубликована: Май 30, 2023

The growing rate of urbanization and industrialization has led to an increase in several types pollution caused by the release toxic chemicals environment. This is usually perpetuated manufacturing industry (e.g. detergent dye), agricultural sectors fertilizers pesticides), mining cyanide sulphuric acid) construction companies cement metals). These pollutants have adverse effects on health plants, animals, humans. They also lead destruction microbial population both aquatic terrestrial regions, hence, necessitated need for remediation. Although different remediation methods, such as physical chemical been adopted years, however, drawbacks challenges associated with them promoted use alternative which bioremediation. Bioremediation involves using biological agents plants microbes remove or lessen environmental pollutants. Of two, are more utilized primarily because their rapid growth ability be easily manipulated, thus enhancing function Different groups bacteria, fungi algae employed clean up various review discusses types, mechanisms, factors affecting It recommends possible steps that could taken promote bioremediation agents.

Язык: Английский

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Harnessing the potential of microalgae-bacteria interaction for eco-friendly wastewater treatment: A review on new strategies involving machine learning and artificial intelligence

Journal of Environmental Management, Год журнала: 2023, Номер 346, С. 119004 - 119004

Опубликована: Сен. 19, 2023

Язык: Английский

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Bioremediation of petroleum hydrocarbon contaminated soil: a review on principles, degradation mechanisms, and advancements

Frontiers in Environmental Science, Год журнала: 2024, Номер 12

Опубликована: Фев. 22, 2024

Petroleum hydrocarbons (PHCs) are key energy sources for several industries and daily life. Soil contamination from oily PHC spills is commonly detected in cities industrial facilities where crude oil used. The release of pollutants into the environment, whether accidentally petroleum or human activities, has become a leading source soil pollution. Consequently, mineralization PHC-polluted sites central issue worldwide. Although bioremediation imperative environmental safety management, approaches have been developed bioremediation. However, much remains to be explored this regard. This review explores PHC-contaminated provides comprehensive examination principles, degradation mechanisms, recent advancements field. Several microbial species used study PHCs, emphasizing pivotal roles diverse communities. Aspergillus spp., Proteobacteria , Firmicutes groups microorganisms were most efficient remediating soil. fundamental concepts behind complex mechanisms that govern elucidated. Limiting factors process innovations propelling field also discussed. Therefore, understanding pathway, ensuring complete contaminants, flexible legislation proper use genetically engineered microbes can make more sustainable cost-effective.

Язык: Английский

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Isolation and Characterization of Diesel-Degrading Bacteria from Hydrocarbon-Contaminated Sites, Flower Farms, and Soda Lakes

International Journal of Microbiology, Год журнала: 2022, Номер 2022, С. 1 - 12

Опубликована: Янв. 21, 2022

Hydrocarbon-derived pollutants are becoming one of the most concerning ecological issues. Thus, there is a need to investigate and develop innovative, low-cost, eco-friendly, fast techniques reduce and/or eliminate using biological agents. The study was conducted isolate, characterize, identify potential diesel-degrading bacteria. Samples were collected from flower farms, lakeshores, old aged garages, asphalt, bitumen soils spread on selective medium (Bushnell Haas mineral salt agar) containing diesel as growth substrate. isolates characterized based their patterns optical density measurement, biochemical tests, gravimetric analysis identified Biolog database 16S rRNA gene sequencing techniques. Subsequently, six degraders belong Pseudomonas, Providencia, Roseomonas, Stenotrophomonas, Achromobacter, Bacillus. Among these, analysis, three potent AAUW23, AAUG11, AAUG36 achieved 84%, 83.4%, 83% degradation efficiency, respectively, in 15 days. Consequently, partial sequences revealed that two bacterial strains (AAUW23 AAUG11) Pseudomonas aeruginosa, while Bacillus subtilis. This demonstrated species isolated hydrocarbon-contaminated uncontaminated environments could be optimized used bioremediation agents for removal.

Язык: Английский

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Mitigating oil and gas pollutants for a sustainable environment – Critical review and prospects

Journal of Cleaner Production, Год журнала: 2023, Номер 416, С. 137863 - 137863

Опубликована: Июнь 24, 2023

Язык: Английский

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Exploring the bioremediation capability of petroleum-contaminated soils for enhanced environmental sustainability and minimization of ecotoxicological concerns

Environmental Science and Pollution Research, Год журнала: 2023, Номер 30(48), С. 104933 - 104957

Опубликована: Сен. 18, 2023

Язык: Английский

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Degradation kinetics and physiological studies of organophosphates degrading microorganisms for soil bioremediation

Stress Biology, Год журнала: 2024, Номер 4(1)

Опубликована: Фев. 6, 2024

Abstract Organophosphate compounds are widely used in agricultural activities to optimize food production. Contamination of field soil by these may result detrimental effects on biota. The aim the present study was isolate microorganisms from soils and evaluate strains ability degrade organophosphates as single a consortium. Isolated were identified using both biochemical molecular techniques. Results revealed that, out 46 isolated strains, three isolates herein referred S6, S36 S37 showed an average diazinon degradation rate 76.4%, 76.7% 76.8% respectively, initial dose (50 ppm) within 11 days incubation mineral medium. Notably, more effective than S6 degrading 40% aliquot after therefore evaluated reactions identification. variable characteristics. However, possessed catalase enzyme, but lacked oxidase enzyme. Molecular characterization closest species for Priestia megaterium P. arybattia , based 16S rRNA gene similarity (> 99%). Combination increased 45% compared strain treatment. Chlorpyrifos most highly degraded organophosphate, phorate cadusafos. Therefore it is expected that pesticide-degrading bacteria could be solution health improvement contribution production safe products.

Язык: Английский

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Bioremediation of oily hypersaline soil via autochthonous bioaugmentation with halophilic bacteria and archaea

The Science of The Total Environment, Год журнала: 2024, Номер 922, С. 171279 - 171279

Опубликована: Фев. 28, 2024

Kuwaiti hypersaline soil samples were contaminated with 5 % (w/w) weathered light crude oil and bioaugmented autochthonous halophilic hydrocarbonoclastic archaeal bacterial strains, two each, individually as consortia. Residual contents determined, microbial communities analyzed by culture-dependent culture-independent approaches initially seasonally for one year. After year of the bioremediation process, mean degradation rate was similar across all treated soils including controlled unbioaugmented one. Oil hydrocarbons drastically reduced in values ranging from 82.7 to 93 %. During number culturable oil-degrading bacteria increased a range 142 344 CFUx104 g−1 after 12 months bioaugmentation. Although analysis showed high proportion inoculants initially, none could be cultured throughout procedure. Within year, changed continually, 33 species halotolerant/halophilic isolated identified belonged mainly three major phyla Actinobacteria, Proteobacteria, Firmicutes. The phylum Halobacterota represented <1 community's relative abundance, which explains why its members cultured. Improving biodegradability an already balanced environment bioaugmentation is more involved than just adding proper degraders. This study emphasizes possibility relatively large resistant population, greater diversity microorganisms, highly selective impacts contamination on communities.

Язык: Английский

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Bioaugmentation and vermicompost facilitated the hydrocarbon bioremediation: scaling up from lab to field for petroleum-contaminated soils

Environmental Science and Pollution Research, Год журнала: 2024, Номер unknown

Опубликована: Март 22, 2024

Abstract The biodegradation of total petroleum hydrocarbon (TPH) in soil is very challenging due to the complex recalcitrant nature hydrocarbon, hydrophobicity, indigenous microbial adaptation and competition, harsh environmental conditions. This work further confirmed that limited natural attenuation hydrocarbons (TPHs) (15% removal) necessitates efficient bioremediation strategies. Hence, a scaling-up experiment for testing optimizing use biopiles TPH polluted soils was conducted with three 500-kg pilots soil, respective treatments were implemented: including control (CT), bioaugmentation vermicompost treatment (BAVC), combined application BAVC along bioelectrochemical snorkels (BESBAVC), all maintained at 40% field capacity. study identified pilot scale level, successful can achieve 90.3% removal after 90 days. BAVC’s effectiveness stemmed from synergistic mechanisms. Introduced consortia capable degradation, while provided essential nutrients, enhanced aeration, and, potentially, acted as biosorbent. it be concluded significantly enhances compared attenuation. While snorkel (BES) also showed significant removal, did not differ statistically individual BAVC, under applied Further research needed optimize BES integration broader applicability. demonstrates scalable mechanistically sound approach soil.

Язык: Английский

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