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Papers
61,005 resultsShowing papers similar to Microbial Granule Technology—Prospects for Wastewater Treatment and Energy Production
ClearCurrent progress of continuous-flow aerobic granular sludge: A critical review.
This review examines the development of continuous-flow aerobic granular sludge technology for wastewater treatment, which offers advantages over conventional systems in terms of compactness and energy efficiency. While focused on wastewater engineering, such systems are relevant to microplastic removal since wastewater treatment plants are a major pathway for microplastics entering the environment.
A nanotechnology roadmap for circular wastewater management
This review paper summarizes research on using tiny particles called nanoparticles to make wastewater treatment more efficient and environmentally friendly. The technology could help clean water while also recovering valuable materials like nutrients and energy, but scientists still need to solve problems like how to use it safely on a large scale. Better wastewater treatment matters for human health because it helps ensure our water supply stays clean and reduces pollution in the environment.
Biopolymers in Aerobic Granular Sludge—Their Role in Wastewater Treatment and Possibilities of Re-Use in Line with Circular Economy
This review examines the composition and role of extracellular polymeric substances in aerobic granular sludge, finding that the high alginate content of granules not only improves wastewater treatment performance but also presents opportunities for polymer recovery aligned with circular economy principles.
Removal of microplastics from wastewater: available techniques and way forward
This review surveys available techniques for removing microplastics from wastewater within a circular economy framework, discussing innovative treatment technologies, integrated risk-based approaches, and regulatory and economic guidelines needed to advance water resource recovery facilities beyond conventional pollutant removal.
From Waste to Watts: Updates on Key Applications of Microbial Fuel Cells in Wastewater Treatment and Energy Production
This review summarizes advances in microbial fuel cell technology for simultaneous wastewater treatment and electricity generation, highlighting improvements in electrode materials, reactor designs, and microbial communities that have increased power output and treatment efficiency.
Unifying concepts in methanogenic, aerobic, and anammox sludge granulation
This review examined the unifying biological and engineering principles behind granular sludge formation across methanogenic, aerobic, and anammox wastewater treatment systems, identifying shared mechanisms that drive microbial aggregation into dense, functional granules.
Circular Economy in Wastewater Treatment Plant—Water, Energy and Raw Materials Recovery
This review proposes a conceptual framework for future wastewater treatment plants operating as resource recovery facilities within a circular economy, focusing on technologies for recovering water, energy, and raw materials including nutrients and biopolymers.
Wastewater and sludge valorisation: a novel approach for treatment and resource recovery to achieve circular economy concept
This review highlights novel approaches for wastewater and sludge valorisation within a circular economy framework, focusing on recovering value-added products including biopolymers, nutrients, and energy to achieve sustainable development goals and combat water scarcity.
Effects and fate of microfibres on wastewater treatment: Insights into treatment performance, microbiome selection and synergetic impacts on functional organisms in granular sludge reactors
Researchers investigated the effects of denim and polyester microfibres on the performance of aerobic granular sludge wastewater treatment reactors, examining impacts on treatment efficiency, microbiome composition, and synergistic effects on functional microbial organisms.
Effects of microplastics on granular sludge: A review
This review examined how microplastics affect granular sludge properties and wastewater treatment efficiency in biological treatment systems, with wastewater plants considered major sinks for microplastics. The review found that harmful effects on granular characteristics are closely associated with microplastic size and concentration, summarizing how MPs disrupt granule formation and settleability.
Effects and Fate of Microfibres on Wastewater Treatment: Insights into Treatment Performance, Microbiome Selection and Synergetic Impacts on Functional Organisms in Granular Sludge Reactors
Researchers examined the effects of polyester and denim microfibres on aerobic granular sludge reactors used in wastewater treatment, finding that fibre presence influences treatment performance, microbiome community composition, and the function of key organisms in the granular sludge. The findings reveal that textile microfibres reaching wastewater plants can have synergistic negative impacts on biological treatment processes.
Exploring Microbial-Based Green Nanobiotechnology for Wastewater Remediation: A Sustainable Strategy
This review examines how microbial-based green nanotechnology can serve as a sustainable alternative to conventional wastewater treatment methods. Researchers found that nanoparticles synthesized using microorganisms offer a cost-effective, eco-friendly approach to removing a broad range of water contaminants. The study compares the performance of these green nanomaterials against traditional treatment methods across factors like reusability, efficiency, and scalability.
Effects and fate of microfibres on wastewater treatment: Insights into treatment performance, microbiome selection and synergetic impacts on functional organisms in granular sludge reactors
Researchers investigated the effects of denim and polyester microfibres on aerobic granular sludge reactor performance, examining how these commonly encountered anthropogenic fibres influence wastewater treatment efficiency, microbiome selection, and interactions with functional organisms.
Algal–Bacterial Symbiotic Granular Sludge Technology in Wastewater Treatment: A Review on Advances and Future Prospects
This review examines algal-bacterial granular sludge technology for wastewater treatment, which achieves over 90% organic matter removal and can adsorb microplastics and heavy metals. The technology reduces aeration energy consumption by 30-50% compared to conventional systems through microalgal oxygen production, and machine learning models enable real-time optimization of treatment performance.
The presence of microplastics in waste sludges
This Croatian review examines the presence of microplastics in sewage sludge from wastewater treatment plants and their pathways into terrestrial and aquatic environments. The authors discuss alternative sustainable sludge management approaches aligned with circular economy principles.
Progress on microalgae cultivation in wastewater for bioremediation and circular bioeconomy
This review explores the potential of microalgae cultivation in wastewater for bioremediation and circular bioeconomy, highlighting how microalgae can simultaneously treat wastewater while producing valuable biomass for various applications.
Integrating microplastic management into a broader wastewater decision-making framework. Is activated granular sludge (AGS) a game changer?
Researchers compared three wastewater treatment technologies for their ability to remove microplastics: conventional activated sludge, membrane bioreactors, and activated granular sludge. While membrane bioreactors performed best at removing microplastics, activated granular sludge emerged as the most cost-effective option with strong overall environmental performance. The study suggests that integrating microplastic management into wastewater treatment decisions requires balancing removal efficiency against energy use, cost, and environmental impact.
Microplastics pollution from wastewater treatment plants: A critical review on challenges, detection, sustainable removal techniques and circular economy
This review critically examines the challenges of detecting and removing microplastics from wastewater treatment plants, evaluating sustainable removal technologies and circular economy approaches to address this persistent source of aquatic microplastic pollution.
Micro- and nanoplastics in granular sludge systems: mechanisms of disruption, retention, and microbial adaptation in wastewater treatment technologies
This review examines how micro- and nanoplastics disrupt the biological systems used to treat wastewater, focusing on granular sludge technologies. Plastic particles damage the microbial communities that break down waste by causing oxidative stress and breaking apart the protective structures that hold bacteria together. This matters because if wastewater treatment becomes less effective due to plastic contamination, more pollutants including microplastics could pass through into waterways that supply drinking water.
Wastewater Valorization: Practice around the World at Pilot- and Full-Scale
This review summarizes pilot- and full-scale wastewater valorization practices globally, focusing on how water resource recovery facilities recover nutrients, energy, and bio-based materials from sewage and sludge to contribute to a circular economy. The authors identify effective technological strategies that are being implemented or scaled up worldwide.
Revolutionizing Wastewater Reuse: A Critical Review of Innovative Treatment Technologies for a Sustainable Energy-Water Nexus
This review critically examines innovative wastewater treatment technologies for sustainable reuse, covering advances in membrane filtration, electrochemical processes, advanced oxidation, and emerging contaminant removal including microplastics, in the context of addressing global water scarcity.
A review of nature-based solutions for resource recovery in cities
This review examines nature-based solutions for resource recovery in cities, focusing on technologies that use microorganisms and ecological processes to shift urban systems from linear resource sinks toward more circular and sustainable models.
Selection of bacterial strains to bioaugment granular sludge and improve the removal of recalcitrant pollutants
This study evaluated bacterial strains that can be added to granular sludge in wastewater treatment plants to improve removal of hard-to-treat pollutants. Enhanced biological treatment could improve removal of microplastics and associated contaminants from wastewater before discharge.
Mechanisms underlying the detrimental impact of micro(nano)plastics on the stability of aerobic granular sludge: Interactions between micro(nano)plastics and extracellular polymeric substances
Researchers found that both micro- and nanoplastics at realistic concentrations harmed the performance of aerobic granular sludge, a technology used for wastewater treatment, by reducing its ability to remove nitrogen. The plastic particles interacted with the sticky substances that hold the sludge granules together, weakening their structural integrity. The study reveals a specific mechanism by which plastic pollution can undermine wastewater treatment systems that communities rely on for clean water.