Wood chip denitrification bioreactors can reduce nitrate in tile drainage

Hartz, T.K.; Smith, Richard; Cahn, M. D.; Bottoms, Thomas G.; Bustamante, Sabastian Castro; Tourte, Laura; Johnson, Kenneth S.; Coletti, Luke J.

doi:10.3733/ca.2017a0007

Cited by 21 publications

(12 citation statements)

References 17 publications

(17 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Another use not originally envisioned involved collaboration with the University of California Cooperative Extension in nearby agricultural fields in a feasibility study of the use of ISUS to provide a control feedback loop in an agricultural wood chip denitrification bioreactor (Hartz et al, 2017). Available real-time nitrate data were used to optimize the application of carbon enrichment to promote complete nitrate removal in an agricultural field tile drainage with minimal adverse environmental effects (Hartz et al, 2017).…”

Section: Future Visionmentioning

confidence: 99%

Hourly In Situ Nitrate on a Coastal Mooring: A 15-Year Record and Insights into New Production

Sakamoto¹,

Mbari²,

Johnson³

et al. 2017

Oceanog

Self Cite

View full text Add to dashboard Cite

Section: Future Visionmentioning

confidence: 99%

Hourly In Situ Nitrate on a Coastal Mooring: A 15-Year Record and Insights into New Production

Sakamoto¹,

Mbari²,

Johnson³

et al. 2017

Oceanog

Self Cite

View full text Add to dashboard Cite

“…Evidence in both laboratory and field studies indicated denitrification is the dominant mechanism of NO 3 − removal in heterotrophic denitrification with solid carbon sources [19,30,[43][44][45][46]. The mechanism analysis wasn't included in this study, but the influences of concentrations of NH 4 -N and TN resulted from cow dung liquid were studied as the indirect influence of the mechanism in these laboratory incubation systems.…”

Section: Methodsmentioning

confidence: 99%

“…But for the chance of secondary pollution and costs, liquid carbon sources haven't been widely used to reducing nitrate in surface and subsurface water [21][22][23][24][25]. Woody materials with low cost and high permeability can support steady but relatively low denitrification rates [26][27][28][29][30]. Wheat straw, rice hulk and newspaper can sustain higher denitrification rates, but they degraded much more rapidly, which may not sustain long-term denitrification [31][32][33][34].…”

mentioning

confidence: 99%

Comparing Three Carbon Substrates with Cow Dung Liquid for Denitrification of Agricultural Drainage Water

Jiang¹,

Wang²

2021

Pol. J. Environ. Stud.

View full text Add to dashboard Cite

IntroductionAgricultural drainage water containing excess nitrogen is a contributing factor to eutrophication of surface water in China. For the low fertilizer utilization ratio of N, over 15 million tons of N are discharged to rivers, lakes and other water body each year. Some strategies are being implemented to reduce the nitrate load to aquatic ecosystems. In agricultural ecosystems, a number of land management approaches have been proposed to reduce N losses, such as controlling N inputs, improving N use efficiency in crops, controlled irrigation and drainage [1][2][3][4][5][6]. Many physical, chemical and biological technologies have also been used to reduce nitrate contamination [7][8][9][10][11][12][13][14]. Heterotrophic denitrification, which converts nitrate to nitrogen

show abstract

“…Woodchip bioreactors have been successful at removing nitrate, with almost 100% nitrate load reductions reported in some cases (Gibert et al 2008; Christianson et al 2012). However, under cold temperatures (<10°C), bioreactor performance decreases due to inhibited microbial activity (Schipper et al 2010; Warneke et al 2011; Ghane et al 2015; David et al 2016; Hartz et al 2017; Hassanpour et al 2017; Husk et al 2017). This is especially a concern in cooler regions such as northern Europe and the upper Midwest USA where large quantities of nitrate can leach from agricultural lands during periods when water temperatures are low (Jin and Sands 2003).…”

Section: Introductionmentioning

confidence: 99%

Isolation and characterization of denitrifiers from woodchip bioreactors for bioaugmentation application

et al. 2020

View full text Add to dashboard Cite

Aims: This study was done to obtain denitrifiers that could be used for bioaugmentation in woodchip bioreactors to remove nitrate from agricultural subsurface drainage water. Methods and Results: We isolated denitrifiers from four different bioreactors in Minnesota, and characterized the strains by measuring their denitrification rates and analysing their whole genomes. A total of 206 bacteria were isolated from woodchips and thick biofilms (bioslimes) that formed in the bioreactors, 76 of which were able to reduce nitrate at 15°C. Among those, nine potential denitrifying strains were identified, all of which were isolated from the woodchip samples. Although many nitrate-reducing strains were isolated from the bioslime samples, none were categorized as denitrifiers but instead as carrying out dissimilatory nitrate reduction to ammonium. Conclusions: Among the denitrifiers confirmed by 15 N stable isotope analysis and genome analysis, Cellulomonas cellasea strain WB94 and Microvirgula aerodenitrificans strain BE2.4 appear to be promising for bioreactor bioaugmentation due to their potential for both aerobic and anaerobic denitrification, and the ability of strain WB94 to degrade cellulose. Significance and Impact of the Study: Denitrifiers isolated in this study could be useful for bioaugmentation application to enhance nitrate removal in woodchip bioreactors.

show abstract

Wood chip denitrification bioreactors can reduce nitrate in tile drainage

Cited by 21 publications

References 17 publications

Hourly In Situ Nitrate on a Coastal Mooring: A 15-Year Record and Insights into New Production

Hourly In Situ Nitrate on a Coastal Mooring: A 15-Year Record and Insights into New Production

Comparing Three Carbon Substrates with Cow Dung Liquid for Denitrification of Agricultural Drainage Water

Isolation and characterization of denitrifiers from woodchip bioreactors for bioaugmentation application

Contact Info

Product

Resources

About