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Mechanisms for removing phosphorus species through sequential coagulation using inorganic coagulants and organic polymers.
Water Sci Technol
January 2025
Norwegian University of Life Sciences, Department of Building and Environmental Technology, P.O. Box 5003, 1430 Ås, Norway.
The need for stringent phosphorus removal from domestic wastewater is increasing to mitigate eutrophication, while efficient phosphate reuse is critical due to the global phosphate crisis. Combining aluminum sulfate (ALS) with high molecular weight organic polymers achieved 95-99% removal of particles, turbidity, and phosphates, reducing ALS usage by 40%. We propose mechanisms to explain the enhanced treatment efficiency.
View Article and Find Full Text PDFWastewater biotreatment and bioaugmentation for remediation of contaminated sites at an oil recycling plant.
Water Sci Technol
January 2025
Center for Sustainable Development, College of Arts and Sciences, Qatar University, Doha 2713, Qatar.
This work focused on the biotreatment of wastewater and contaminated soil in a used oil recycling plant located in Bizerte. A continuous stirred tank reactor (CSTR) and a trickling filter (TF) were used to treat stripped and collected wastewater, respectively. The CSTR was started up and stabilized for 90 days.
View Article and Find Full Text PDFMethane production from anaerobic pre-treatment of municipal wastewater combined with olive mill wastewater: A demonstration study.
Water Sci Technol
January 2025
The Institute of Applied Research, The Galilee Society, Shefa-Amr 2020000, Israel; Agrobics Ltd, Shefa-Amr 2020000, Israel; Prof. Ephraim Katzir Department of Biotechnology Engineering, Braude College of Engineering, Karmiel 2161002, Israel.
The advanced anaerobic technology (AAT), developed based on an immobilized high-rate anaerobic reactor, was applied as a pretreatment of municipal wastewater (WW) at Karmiel's treatment plant in Israel. The demonstration-scale AAT (21 m) system was operated at a flow rate of 100 mday municipal WW mixed with olive mill wastewater (OMW) (0.5 mday) to simulate the scenario of illegal discharge of agro-industrial WW.
View Article and Find Full Text PDFAnthraquinone-2-sulfonate immobilized on granular activated carbon inhibits methane production during the anaerobic digestion of swine wastewater.
Water Sci Technol
January 2025
Departamento de Biotecnología y Ciencias Alimentarias, Instituto Tecnológico de Sonora (ITSON), 5 de Febrero 818 sur, Ciudad Obregón, Sonora 85000, México E-mail:
Granular activated carbon (GAC) and GAC modified with anthraquinone-2-sulfonate (AQS) were used as conductive materials during the anaerobic digestion of swine wastewater (SW). The electron transfer capacity (ETC) in the GAC-AQS was 2.1-fold higher than the unmodified GAC.
View Article and Find Full Text PDFGlnA3 is able to glutamylate spermine but it is not essential for the detoxification of spermine in .
J Bacteriol
January 2025
Interfaculty Institute of Microbiology and Infection Medicine Tübingen (IMIT), Department of Microbiology and Biotechnology, University of Tübingen, Tübingen, Baden-Württemberg, Germany.
Unlabelled: is well adapted to survive and persist in the infected host, escaping the host's immune response. Since polyamines such as spermine, which are synthesized by infected macrophages, are able to inhibit the growth of , the pathogen needs strategies to cope with these toxic metabolites. The actinomycete , a close relative of makes use of a gamma-glutamylation pathway to functionally neutralize spermine.
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