WebJul 26, 2024 · The stoichiometric equation for sulfate reduction to sulfide with phenanthrene as electron donor is: , yielding a Gibbs free energy of −341 kJ with a possible energy … WebPhenanthrene is a three benzene ring fused angular PAH and found to be present at high concentrations in PAH-contaminated surface soils, sediments, and waste sites (Moody et …
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WebJul 26, 2024 · Anaerobic biodegradation of phenanthrene is thought to be initiated by carboxylation (Himmelberg et al., 2024; Zhang et al., 1997), methylation (Zhang et al., 2024a) or hydroxylation (Li et al.,... WebSep 10, 2024 · Formazin is a mixed aqueous solution prepared by polymerizing hydrazinium sulfate and hexamethylenetetramine. Kaolin is an aqueous solution prepared by refining kaolinite particles. ... In this example, since the substance to be measured is PAH, a fluorescence intensity standard sample containing phenanthrene or amines is used as an …
WebAug 1, 2024 · Determination of optimal phenanthrene, sulfate and biomass concentrations for anaerobic biodegradation of phenanthrene by sulfate-reducing bacteria and elucidation of metabolic pathway J. Hazard Mater. (2009) D.H. Sur et al. Process aspects of three-phase inverse fluidized bed bioreactor: a review J. Environ. Chem. Eng. (2024) E.C. Souza et al. WebJul 26, 2024 · Here, we report on a new phenanthrene-degrading, sulfate-reducing enrichment culture, TRIP1. Genome-resolved metagenomics and strain specific cell …
WebSep 5, 2024 · Phenanthrene quenching by heavy metal ions were explained by Stern-Volmer equations and the Stern-Volmer constants were observed in the order Fe 3+ > Cu 2+ > Cr 3+ > Pb 2+ > Ni 2+ respectively. Stern-Volmer constants reflect the sensitivity of the method for the studied metal ions. WebNov 15, 2009 · Anaerobic biodegradation of phenanthrene (PHE) was investigated using an enrichment culture consists predominantly of sulfate-reducing bacteria (87 ± 6%). Aqueous biodegradation experiments were designed using the …
WebPhenanthrene is one of a group of chemicals called polycyclic aromatic hydrocarbons, PAHs for short. PAHs are often found together in groups of two or more. They can exist in over 100 different combinations but the most common are treated as a group of 15. PAHs …
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