+ Translate
+ Most Popular
Gaucher's disease;thirty-two years experience at Siriraj Hospital
A study of Macrobathra Meyrick from China (Lepidoptera, Cosmopterigidae)
First occurrence in ores of tetragonal chalcocite
Effects of trace element nutrition on sleep patterns in adult women
N.Z. range management guidelines. 2. Design of grazing management systems for tussock country
A case of lipoma of the esophagus
A revision of world Acanthosomatidae (Heteroptera: Pentatomidae): keys to and descriptions of subfamilies, tribes and genera, with designation of types
Life history of the coronate scyphozoan Linuche unguiculata (Swartz, 1788)
Perceptual restoration of obliterated sounds
Mutagenicity studies on two chromium(III) coordination compounds
The formation of the skeleton. I. Growth of a long bone. 1st appearance of a center of calcification
Leucopenia and abnormal liver function in travellers on malaria chemoprophylaxis
The joint commission: four key root causes loom large in sentinel event data
Treatment of vitiligo with topical 15% lactic acid solution in combination with ultra violet-A
Behaviour of dairy cows within three hours after feed supply: I. Influence of housing type and time elapsing after feed supply
Observations of the propagation velocity and formation mechanism of burst fractures caused by gunshot
Management and control of patients with type 2 diabetes mellitus in Lebanon: results from the International Diabetes Management Practices Study (IDMPS)
The diet composition and nutritional knowledge of patients with anorexia nervosa
Physoporella croatica Herak, 1958 of the Slovak karst Anisian (Slovakia, the West Carpathians Mts.)
Bright lights, big noise. How effective are vehicle warning systems?
Ein Plesiosaurier-Rest mit Magensteinen aus mittlerem Lias von Quedlinburg
Incidence of Chlamydia trachomatis in patients with sterility
Monster soup: the microscope and Victorian fantasy
Preliminary tests with residual sprays against poultry lice
Duration of the life of plants in phylogeny

The biological denitrification coupled with chemical reduction for groundwater nitrate remediation via using SCCMs as carbon source

The biological denitrification coupled with chemical reduction for groundwater nitrate remediation via using SCCMs as carbon source

Chemosphere 234: 89-97

ISSN/ISBN: 0045-6535

PMID: 31203045

DOI: 10.1016/j.chemosphere.2019.06.005

Renewable additional carbon sources for groundwater denitrification, such as sustainable-releasing compound carbon source materials (SCCMs), are required. This work reports long-term groundwater denitrification with permeable reactive barriers filled with SCCMs; the coupling of biological denitrification and chemical reduction avoided the need for a continuous carbon source supply. Four 370-day lab-scale permeable reactive barrier experiments with four SCCMs showed that NO3- removal efficiency in zero-valent iron (ZVI) SCCMs was higher than in ZVI-free SCCMs. In the ZVI SCCMs, the NO3- removal reaction began quickly in the early stage, owing to ZVI chemical reduction, whereas biological denitrification was lower and incomplete with a NO2- concentration of 0.8 mg L-1 in the ZVI SCCM system. As the chemical reduction efficiency decreased, the biological denitrification efficiency increased, and the highest NO3- removal efficiency was 98.8%. Decreasing the Fe2+concentration decreased ZVI chemical reduction. High-throughput sequencing indicated that the proportion of denitrifying bacteria attached to the SCCMs was up to 34.4% at the family level, leading to the denitrification gene being predominant. Quantitative PCR indicated increased microbial metabolic activity, richer bacterial community diversity, and more bacteria. Long-term monitoring data for SCCMs will help realize the use of biological denitrification coupled with chemical reduction for groundwater NO3- remediation.

Please choose payment method:

(PDF emailed within 0-6 h: $19.90)

Accession: 069060582

Download citation: RISBibTeXText

Related references

In-situ biological denitrification using pretreated maize stalks as carbon source for nitrate-contaminated groundwater remediation. Water Science and Technology Water Supply 17(1): 1-9, 2017

Biological denitrification using rice washing drainage (RWD) as carbon source for removing nitrate from groundwater. Desalination and Water Treatment 57(46): 21990-21999, 2016

Use of Cotton as a Carbon Source for Denitrification in Biofilters for Groundwater Remediation. Water 9(9): 714, 2017

Behavior of solid carbon sources for biological denitrification in groundwater remediation. Water Science and Technology: a Journal of the International Association on Water Pollution Research 65(9): 1696-1704, 2012

Biological denitrification of high nitrate water: Influence of type of carbon source and nitrate loading. Journal of Environmental Science and Health Part A Environmental Science and Engineering and Toxic and Hazardous Substance Control 31(7): 1651-1668, 1996

Remediation of nitrate-contaminated wastewater using denitrification biofilters with straws of ornamental flowers added as carbon source. Water Science and Technology: a Journal of the International Association on Water Pollution Research 74(2): 416-423, 2016

Nitrate removal efficiency of a mixotrophic denitrification wall for nitrate-polluted groundwater in situ remediation. Ecological Engineering 106: 523-531, 2017

Denitrification of nitrate-contaminated groundwater using biodegradable snack ware as carbon source under low-temperature condition. International Journal of Environmental Science and Technology 9(1): 113-118, 2012

In Situ Batch Denitrification of Nitrate-Rich Groundwater Using Sawdust as a Carbon Source Marydale, South Africa. Water, Air and Soil Pollution 204(1-4): 177-194, 2009

Remediation of actual groundwater polluted with nitrate by the catalytic reduction over copper―palladium supported on active carbon. Applied Catalysis. A, General 361(1-2): 123-129, 2009

The characteristics and performance of sustainable-releasing compound carbon source material applied on groundwater nitrate in-situ remediation. Chemosphere 205: 635-642, 2018

Performance of slow-release organic carbon-source (SOC) materials for in-situ biological denitrification in groundwater. Huan Jing Ke Xue= Huanjing Kexue 29(8): 2183-2188, 2008

Pyrite-based autotrophic denitrification for remediation of nitrate contaminated groundwater. Bioresource Technology 173: 117-123, 2014

Biological denitrification in simulated groundwater using polybutylene succinate or polylactic acid-based composites as carbon source. Desalination and Water Treatment 57(21): 9925-9932, 2016

Evaluating the efficacy of slow-releasing carbon source tablets for in situ biological heterotrophic denitrification of groundwater. Chemosphere 304: 135268, 2022