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  • Effective Biological Nitrogen Removal Treatment Processes

    Biological nitrogen removal can remove nitrogenous components via conversion to harmless nitrogen gas with high efficiency and relative low costs.

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  • Meta-analysis of nitrogen removal in riparian buffers

    Riparian buffers the vegetated region adjacent to streams and wetlands are thought to be effective at intercepting and reducing nitrogen loads entering water bodies. Riparian buffer width is thought to be positively related to nitrogen removal effectiveness by influencing nitrogen retention or rem

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  • Nitrogen RemovalWaterloo Biofilter

    All Waterloo Biofilter nitrogen removal systems are designed to be simple yet effectivewith few moving parts system longevity and very little energy usage. Thorough Denitrification The WaterNOx and WaterNOx-LS add-ons provide thorough denitrification of

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  • Nitrogen removal performance and bacterial communities in

    2020-11-26 · Effective nitrogen removal in Low-polluted water has become an urgent need. Recently Heterotrophic nitrifying-aerobic denitrifying (HNAD) bacteria have been discovered and have attracted extensive attention and research due to their advantages comparing with traditional BNR technology.

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  • Nitrogen Removal in Biological Wastewater Treatment Plant

    2020-10-13 · The nitrogen removal efficiencies were investigated using weekly wastewater treatment plant effective August 1 2000 (Montana Department of Environmental Quality 2000) and the mine began commercial production in 2002. The MPDES permit allows two available discharge

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  • Inorganic Nitrogen Removal from Wastewater Effect on

    Algal bioassays were used to demonstrate the high efficiency of a comnbined tertiary wastewater treatment and marine aquaculture system in removing inorganic nitrogen and to show that the coastal waters off Woods Hole Massachusetts are limited in nitrogen for marine phytoplankton growth. When nutrients were removed from secondarily treated domestic wastewater through assimilation by

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  • Keeping a Completely Autotrophic Nitrogen Removal over

    2018-4-17 · An alternative low and high ammonium influent regime was proposed and adopted to keep a completely autotrophic nitrogen removal over nitrite (CANON) effective when treating low ammonium wastewater. Results show that by cyclic operating at an alternative low and high ammonium concentration for 10 days and 28 days the CANON system could effectively treat low ammonium

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  • Biofilter design for effective nitrogen removal from

    2014-1-21 · Biofilter design for effective nitrogen removal from stormwaterinfluence of plant species inflow hydrology and use of a saturated zone Emily G. I. Payne Emily G. I. Payne 1 Department of Civil Engineering CRC for Water Sensitive Cities Water for Liveability Centre Monash University VIC 3800 Australia. E-mail

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  • Pathways regulating nitrogen removal in constructed ditch

    2020-7-25 · Constructed ditch wetland (CDW) is a combination of idle ditch and constructed wetland which is typically used in rural areas to remove pollutants from domestic wastewater. However its low total nitrogen (TN) removal remains a pressing issue. To enhance total nitrogen removal an approach of supplying water at two locations in the CDW at different influent flow ratios combined with

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  • Simultaneous effective carbon and nitrogen removals and

    2015-11-6 · In order to analyze the mechanism of nitrogen and phosphorus removal in the intermittently aerated MBR the bioactivities of sludge for COD TN and TP removal were measured at the end of run 3.

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  • SHARON Nitrogen Removal from Wastewater

    2021-6-8 · SHARON is a robust and cost effective system for the removal of nitrogen from wastewater. The process is used for treatment of high strength ammonia liquors such as sludge dewatering liquors and the liquid fraction of pig manure. SHARON has been successfully applied at several wastewater treatment plants in the Netherlands the United States

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  • Cost Effective Nitrogen RemovalNovel Control Strategies

    The current study emphasizes on the cost effective nitrogen removal from the sidestream effluent of anaerobic digester with partial nitration (PN) and anaerobic ammonium oxidation (anammox) process for the municipal wastewater treatment plant. The main objective of this study was to model a cost effective strategy for setting up a lab-scale

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  • Nitrogen Removal Using Partial Nitrification

    2021-1-4 · Nitrogen removal from wastewater is an energy and chemical intensive process that is becoming increasingly more common around the world. To address the cost and complexity issues associated with biological nitrogen removal from wastewater an alternative approach for achieving next generation nitrogen removal via partial nitrification denitratation and anaerobic ammonia oxidation

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  • Nitrogen removal performance and bacterial communities in

    2020-11-26 · Effective nitrogen removal in Low-polluted water has become an urgent need. Recently Heterotrophic nitrifying-aerobic denitrifying (HNAD) bacteria have been discovered and have attracted extensive attention and research due to their advantages comparing with traditional BNR technology.

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  • Effective removal of oxygen from nitrogen carrier gas in

    Effective removal of oxygen from nitrogen carrier gas in gas-liquid chromatographic analysis . K. Voldum-Clausen Abstract. To remove traces of oxygen from nitrogen carrier gas used in gas-liquid chromatography with electron-capture detector a catalytic filter has been devised. Operated at room temperature the filter is able to remove oxygen

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  • Biofilter design for effective nitrogen removal from

    2014-1-21 · Biofilter design for effective nitrogen removal from stormwaterinfluence of plant species inflow hydrology and use of a saturated zone Emily G. I. Payne Emily G. I. Payne 1 Department of Civil Engineering CRC for Water Sensitive Cities Water for Liveability Centre Monash University VIC 3800 Australia. E-mail

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  • Nitrogen RemovalMembrane Technology and Research

    Nitrogen lowers the BTU value of the gas and makes it unsaleable to most pipelines. Natural gas will be accepted for transport by pipeline only if it contains less than a specified amount of nitrogen typically somewhere between 4 and 6 . Cryogenic nitrogen removal is

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  • Effective nitrogen removal from ammonium-depleted

    Effective nitrogen removal from ammonium-depleted wastewater by partial nitritation and anammox immobilized in granular and thin layer gel carriers Water Res. 2020 Sep 15183 116078. doi 10.1016/j.watres.2020.116078. Epub 2020 Jun 20. Authors Matthieu Landreau 1

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  • Effective nitrogen removal during different periods of a

    Effective nitrogen removal during different periods of a field-scale bioretention system. Wan Z(1) Li T(2) Liu Y(1). Author information (1)State Key Lab of Pollution Control and Resource Reuse Tongji University Shanghai 200092 China.

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  • Effective Biological Nitrogen Removal Treatment Processes

    2010-2-16 · Biological nitrogen removal can remove nitrogenous components via conversion to harmless nitrogen gas with high efficiency and relative low costs.

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  • Cost Effective Nitrogen Removal from Industrial

    the most cost-effective nitrogen removal methodology. Just as is the case of carbonaceous organic removal the biological treatment can be confi gured in different ways like suspended growth or attached growth system completely-mixed or plug-flow system or even membrane-based MBR.

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  • Nitrogen removal performance and bacterial communities in

    2020-11-26 · Effective nitrogen removal in Low-polluted water has become an urgent need. Recently Heterotrophic nitrifying-aerobic denitrifying (HNAD) bacteria have been discovered and have attracted extensive attention and research due to their advantages comparing with traditional BNR technology.

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  • Effective nitrogen removal in a granule-based partial

    2020-2-1 · Effective nitrogen removal was achieved with an average effluent TN concentration of 8.74 mg/L when influent TN concentration and COD/TN ratio were 42.56 mg/L and 1.52 respectively. Nitrogen removal via anammox accounted for 90 of dinitrogen production in the PDA reactor.

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  • Effective nitrogen removal from ammonium-depleted

    2020-9-15 · In both flow cells nitrogen removal efficiency was highest (80 ) at 30 °C and 1 mg O 2 /L while removal was less favorable at lower DO and lower temperature. Our results indicate a potential use of hydrogel beads for an energy efficient technology with reduced aeration demand for treating low ammonia wastewater while layered hydrogels are a possible first step for biological treatments of

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  • Total Nitrogen RemovalAquaPoint

    Nitrogen removal is the most important and challenging issue in wastewater today. With world-class technologies decades of experience and the best support in the industry AquaPoint is uniquely equipped to provide cost-effective and reliable nitrogen removal. We handle the most difficult challenges in wastewater and have done so for over 25 years.

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  • (PDF) Effective Biological Nitrogen Removal Treatment

    ENVIRONMENTAL ENGINEERING SCIENCE REVIEW ARTICLE Volume 27 Number 2 2010 ª Mary Ann Liebert Inc. DOI 10.1089=ees.2009.0100 Effective Biological Nitrogen Removal Treatment Processes for Domestic Wastewaters with Low C=N Ratios A Review Sheng-Peng Sun 1 2 Carles Pellicer i Na`cher 2 Brian Merkey 2 Qi Zhou 1 Si-Qing Xia 1 Dian-Hai Yang 1 Jian-Hui Sun 3 and

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  • Biofilter design for effective nitrogen removal from

    2014-1-21 · Biofilter design for effective nitrogen removal from stormwaterinfluence of plant species inflow hydrology and use of a saturated zone Emily G. I. Payne Emily G. I. Payne 1 Department of Civil Engineering CRC for Water Sensitive Cities Water for Liveability Centre Monash University VIC 3800 Australia. E-mail

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