Wastewater treatment by a modular, domestic-scale reedbed system for safe horticultural irrigation

Derry, Chris; Maheshwari, Basant

doi:10.1016/j.scitotenv.2015.08.010

Cited by 5 publications

(5 citation statements)

References 21 publications

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“…The wastewater contains about 99.9% water. The remaining fraction comprises organic and inorganic solids as well as microorganisms (Santos et al, 2011;Batastone et al, 2015;Derry and Maheshwari, 2015). The organic substances found in wastewater consist of protein, carbohydrates, fats and oils, urea, surfactants, phenols and pesticides (Derry and Maheshwari, 2015;Petousi et al, 2015).…”

Section: Composition and Characteristics Of The Domestic Sewagementioning

confidence: 99%

“…The remaining fraction comprises organic and inorganic solids as well as microorganisms (Santos et al, 2011;Batastone et al, 2015;Derry and Maheshwari, 2015). The organic substances found in wastewater consist of protein, carbohydrates, fats and oils, urea, surfactants, phenols and pesticides (Derry and Maheshwari, 2015;Petousi et al, 2015). Pesticides and other organic compounds used in agriculture are sources of pollution, toxicity to soil and aquatic microbiota (Felix et al, 2007).…”

Section: Composition and Characteristics Of The Domestic Sewagementioning

confidence: 99%

“…The sand comes from washing water from the streets and underground waters (Jordão and Pessoa, 1995;Smith, 1996). icroorganisms found in sewage can be saprophyte, symbionts or parasites (Alderson et al, 2015, Derry andMaheshwari, 2015;Petousi et al, 2015). Some bacteria, viruses, protozoa and helminths are major groups of organisms of interest from the standpoint of public health (Sousa Neto et al, 2012).…”

Section: Composition and Characteristics Of The Domestic Sewagementioning

confidence: 99%

“…Thus, determination of soil holding capacity and absorption of sodium by microorganisms and plants are fundamental to the success of fertigation with sewage. In addition, recent studies have worried more in determining the microbial contamination of soil and agricultural product by pathogens contained in wastewater that with salinization/sodification (Alderson et al, 2015;Derry and Maheshwari, 2015;Petousi et al, 2015). However, the absence of microbial contamination was detected in the leaves and fruit of olive trees irrigated with domestic wastewater (Petousi et al, 2015).…”

Section: Physical Chemical and Biological Risks Of Irrigation With Wastewatermentioning

confidence: 99%

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Fertigation with domestic wastewater: Uses and implications

Silva¹,

Carvalho²,

Luz³

et al. 2016

Afr. J. Biotechnol.

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The use of wastewater in agriculture is an alternative means of reducing wastewater release into water sources. This process, known as fertigation is an opportunity to make use of organic matter and other nutrients in wastewater for agricultural productivity. The presence of organic matter in these effluents serves as biofertilizer. Since 19 th century in Britain, fertigation had been widely accepted due to the scarcity of water, the large amount of sewage produced and the concern about the final destination of wastewater. However, salinization, contamination of soil and agricultural products with the microbial pathogens and presence of heavy metals may limit the use of wastewaters in agricultural system. Thus, the plantation of agronomic varieties that do not have direct use as human food are optional cultivars, which may not have implications of fertigation with domestic wastewater. Fertigation with wastewater will be a nutritive support for the cultivation of Brachiaria brizantha cv Marandu in cerrado soil that is considered as low fertility soil. Soil microorganisms are fertility indicators. For example, nitrogen fixing bacteria (NFB) and arbuscular mycorrhizal fungi (AMF) has great potential to assist in the development of plant varieties under irrigation with domestic wastewater. These microorganisms are good parameters to be used in the analysis of changes that occur when sewage is applied into the soil. Furthermore, microbes contribute to the structuring of the soil, degradation of organic matter and nutrient availability to the biotic component of soil. Despite the limitations of fertigation with domestic sewage, it is a great alternative to use wastewater for nutritional enrichment to the soil that will be used for planting of agricultural crops of commercial interest.

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Section: Composition and Characteristics Of The Domestic Sewagementioning

confidence: 99%

Section: Composition and Characteristics Of The Domestic Sewagementioning

confidence: 99%

Section: Composition and Characteristics Of The Domestic Sewagementioning

confidence: 99%

Section: Physical Chemical and Biological Risks Of Irrigation With Wastewatermentioning

confidence: 99%

See 2 more Smart Citations

Fertigation with domestic wastewater: Uses and implications

Silva¹,

Carvalho²,

Luz³

et al. 2016

Afr. J. Biotechnol.

View full text Add to dashboard Cite

show abstract

“…coli, Enterococci, and Clostridium perfringens, as well as ten chemical parameters (Derry and Maheshwari, 2015). .5-20.9 days of retention, but the 95th percentile value of the data analyzed was only 54 days (Verbyla and Mihelcic, 2015).…”

Section: Wastewater and Natural Treatment Processesmentioning

confidence: 99%