Journal ArticleDOI
The long-term effects of hexavalent chromium on anaerobic ammonium oxidation process: Performance inhibition, hexavalent chromium reduction and unexpected nitrite oxidation.
TLDR
The results showed Anammox performance was not affected at low Cr(VI) concentration, but was severely inhibited at 0.8 mg L-1, and microbial community showed no enrichment of Cr( VI) reducing bacteria and other nitrogen transformation-related bacteria.About:
This article is published in Bioresource Technology.The article was published on 2019-07-01. It has received 53 citations till now. The article focuses on the topics: Anammox & Hexavalent chromium.read more
Citations
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Journal ArticleDOI
Quantitative determination of cavitation formation and sludge flotation in Anammox granules by using a new diffusion-reaction integrated mathematical model.
TL;DR: For quantitative evaluation of the Anammox granules flotation in upflow reactors, an integrated mathematical model was formulated based on the principles that the limitation of substrate diffusion would result in bacterial starvation, lysis and subsequently aiding the formation of cavitation in the inner zone of granules.
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Chromium pollution and its bioremediation mechanisms in bacteria: A review.
TL;DR: In this paper, a review of the bacterial responses against chromium toxicity and scope for their application in bioremediation is discussed, and the differences and similarities between Gram negative and positive bacteria against chromIUM are also highlighted.
Journal ArticleDOI
Role and application of quorum sensing in anaerobic ammonium oxidation (anammox) process: A review
TL;DR: Anaerobic ammonium oxidation (anammox) is a promising biological nitrogen removal process, due to its advantages of high efficiency and low cost as discussed by the authors. However, problems remain in the application, such a...
Journal ArticleDOI
Deciphering the microbial and genetic responses of anammox biogranules to the single and joint stress of zinc and tetracycline.
TL;DR: The findings suggested that anammox could be inhibited by metals and antibiotics, but it has the potential to remove nitrogen from wastewaters containing both of them within the concentration threshold.
Journal ArticleDOI
Visible-light-driven zeolite imidazolate frameworks-8@ZnO composite for heavy metal treatment
TL;DR: Zhang et al. as discussed by the authors developed a facile strategy for constructing ZnO sheets with defective zeolite imidazolate frameworks-8 (ZIF-8) to form visible-light-driven Zif-8@ZnO composite for efficient photoreduction of hexavalent chromium Cr(VI).
References
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Journal ArticleDOI
Biochemistry and molecular biology of anammox bacteria
Mike S. M. Jetten,Laura van Niftrik,Marc Strous,Boran Kartal,Jan T. Keltjens,Huub J. M. Op den Camp +5 more
TL;DR: The present anammox pathway is the only one consistent with the available experimental data, thermodynamically and biochemically feasible, and consistent with Ockham’s razor: it invokes minimum biochemical novelty and requires the fewest number of biochemical reactions.
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The membrane bioreactor: a novel tool to grow anammox bacteria as free cells.
Wouter R. L. van der Star,Andreea I. Miclea,Andreea I. Miclea,Udo van Dongen,Gerard Muyzer,Cristian Picioreanu,Mark C.M. van Loosdrecht +6 more
TL;DR: In a membrane bioreactor (MBR), fast growth of anammox bacteria was achieved with a sludge residence time of 12 days, resulting in a—for anamm ox bacteria—unprecedented purity of the enrichment of 97.6%.
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Mainstream partial nitritation and anammox: long-term process stability and effluent quality at low temperatures
Michele Laureni,Per Falås,Orlane Robin,Arne Wick,David G. Weissbrodt,Jeppe Lund Nielsen,Thomas A. Ternes,Eberhard Morgenroth,Adriano Joss +8 more
TL;DR: The potential of PN/A systems to compete with conventional treatments for biological nutrients removal both in terms of removal rates and overall effluent quality was proven.
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Physiological and kinetic characterization of a suspended cell anammox culture
TL;DR: A membrane bioreactor (MBR) based method for growing a highly enriched anammox microbial community and the intrinsic nitrite half saturation constant was identified to be as low as 35 μg-N L(-)(1).
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Role of extracellular polymeric substances (EPS) in biofouling of reverse osmosis membranes.
TL;DR: Control fouling experiments with EPS in sodium chloride solutions supplemented with 0.5 mM calcium ions indicate that calcium increases the adsorption efficiency of polysaccharides and DNA by 2- and 3-fold, respectively, which resulted in a significant decrease in permeate water flux.