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Autotrophic denitrification based on sulfur-iron minerals: advanced wastewater treatment technology with simultaneous nitrogen and phosphorus removal
Autotrophic denitrification technology has many advantages, including no external carbon source addition, low sludge production, high operating cost...
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Experimental Study on Algal Inhibition and Water Purification Effect of Several Floating Plants Combined with Sulfur-Iron Autotrophic Denitrification MBBR Balls
In recent years, with the rapid development of society, water pollution has become increasingly serious, and nitrogen and phosphorus elements in...
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Denitrification Performance and Mechanism of Permeable Reactive Barrier Technology with a Sulfur Autotrophic Denitrification Composite Filler in Rare Earth Mine Engineering Applications
Sulfur autotrophic denitrification (SAD) is an economical, rapid, and efficient wastewater denitrification process. In this study, based on previous...
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Removal of ammonium and nitrate through Anammox and FeS-driven autotrophic denitrification
An autotrophic denitrifying bioreactor with iron sulfide (FeS) as the electron donor was operated to remove ammonium (NH 4 + ) and nitrate (NO 3 − )...
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The effect of reflux ratio on sulfur disproportionation tendency in anaerobic baffled reactor with the heterotrophic combining sulfur autotrophic processes under high concentration perchlorate stress
In a laboratory scale, an anaerobic baffled reactor (ABR) consisting of eight compartments, the heterotrophic combining sulfur autotrophic processes...
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Study of the Autotrophic Denitrification Process with Different Electron Acceptors on Sulfide Control in an Anoxic CSTR
Sulfide autotrophic denitrification (SADN) is a biological process performed by sulfur-oxidizing nitrogen-reducing (SO-NR) cultures in an anoxic...
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Drinking Water, Biological Denitrification of Groundwater
Denitrification of groundwater for drinking water production has become more and more important in the recent time, due to the increasing nitrate...
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Drinking Water, Biological Denitrification of Groundwater
Denitrification of groundwater for drinking water production has become more and more important in the recent time, due to the increasing nitrate...
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Effect of Nitrate Concentration on Anaerobic Methane Oxidation Coupled to Denitrification in Membrane Biofilm Reactor After Prolonged Storage
The effects of the influent nitrate (NO 3 − -N) concentration on reactor performance and microbial communities of anaerobic methane oxidation coupled to...
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Research progress and prospect of low-carbon biological technology for nitrate removal in wastewater treatment
Wastewater treatment plants are the major energy consumers and significant sources of greenhouse gas emissions, among which biological nitrogen...
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Operation performance and microbial community of sulfur-based autotrophic denitrification sludge with different sulfur sources
Operation performance and bacterial community structure of sulfur-based autotrophic denitrification (SAD) based on different sulfur sources served as...
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Role of sulfide on DNRA distribution and the microbial community structure in a sulfide-driven nitrate reduction process
Microbial nitrate reduction processes involve two competing pathways: denitrification (DEN) and dissimilatory nitrate reduction to ammonium (DNRA)....
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Denitrification mechanism in oxygen-rich aquatic environments through long-distance electron transfer
The lack of electron donors in oxygen-rich aquatic environments limits the ability of natural denitrification to remove excess nitrate, leading to...
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Pyrite-based denitrification combined with electrochemical disinfection to remove nitrate and microbial contamination from groundwater
Nitrate and microbial contamination of groundwater can occur in countries that face intense urbanization and inadequate sanitation. When groundwater...
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Unraveling the role of formate in improving nitrogen removal via coupled partial denitrification-anammox
The addition of traditional carbon sources (e.g., acetate) could favor heterotrophic overgrowth in partial denitrification coupled with anammox...
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Modified microbiology through enhanced denitrification by addition of various organic substances—temperature effect
Worldwide, the environmental nitrate (NO 3 − ) problem is increasingly coming into focus. These increases in NO 3 − concentration result mainly from...
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Simultaneous Feammox and anammox process facilitated by activated carbon as an electron shuttle for autotrophic biological nitrogen removal
Ferric iron reduction coupled with anaerobic ammonium oxidation (Feammox) is a novel ferric-dependent autotrophic process for biological nitrogen...
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Deciphering the influencing mechanism of hydraulic retention time on purification performance of a mixotrophic system from the perspective of reaction kinetics
At present, eutrophication is increasingly serious, so it is necessary to effectively reduce nitrogen and phosphorus in water bodies. In this study,...
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Role of organic/sulfide ratios on competition of DNRA and denitrification in a co-driven sequencing biofilm batch reactor
Denitrification and dissimilatory nitrate reduction to ammonium (DNRA) are two competing pathways in nitrate-reducing process. In this study, a...
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Metagenomic analysis revealed the sulfur- and iron- oxidation capabilities of heterotrophic denitrifying sludge
Heterotrophic denitrification is widely applied in wastewater treatment processes to remove nitrate. However, the ability of the heterotrophic...
