“TYPHA LATIFOLIA” EXTRACTOR EFICAZ DE FÓSFORO EN SUELOS HIDROMÓRFICOS: COMPARACIÓN ENTRE POBLACIONES DE CULTIVO LOCAL Y TECNOSOL EUTRÓFICO

Ciencia ◽  
2018 ◽  
Vol 20 (1) ◽  
pp. 73
Author(s):  
A Simoes ◽  
L Otero ◽  
F Macias ◽  
P Guevara
Keyword(s):  
Typha Latifolia

La eutrofización de suelos y aguas es uno de los principales problemas que amenazan la conservación de especies y hábitats. Estudios recientes muestran que el P también puede afectar sustancialmente a la pérdida de biodiversidad. En contraste con el N, que puede eliminarse por lixiviación, el P es adsorbido por el suelo pudiendo permanecer a lo largo del tiempo. Se realizó un estudio para evaluar la capacidad de la Typha latifolia para extraer el P del suelo. Para ello se  consideró un Technosol eutrófico (ET), altamente enriquecido con P y un suelo natural oligotrófico (NS). En los suelos se analizó el contenido total de Fe, Al, C orgánico, oxihidróxidos amorfos de Al/Fe, formas geoquímicas de P. Los resultados muestran  una concentración significativamente más elevada de P total  y biodisponible en ET. En consonancia con una alta concentración de P en ET, la población de Thypha mostró también una concentración significativa superior de P comparando con las que crecieron en el NS. Estos resultados muestran que la totora responde positivamente a concentraciones muy elevadas de P en el medio y, por lo tanto, debe ser considerada como una especie muy eficiente para reducir la eutrofización del suelo.

Organochlorine Contaminants in Headwater Peatlands, and Selected Estuary Sites of the Moose River

1986 ◽  
Vol 21 (2) ◽  
pp. 251-256 ◽  
Author(s):  
Robert C. McCrea ◽  
Greg M. Wickware
Keyword(s):  
Atmospheric Deposition ◽  
Organochlorine Pesticides ◽  
River Basin ◽  
Vascular Plants ◽  
Typha Latifolia ◽  
Coastal Marshes ◽  
Surficial Sediments ◽  
Organochlorine Contaminants ◽  
Hexachlorocyclohexane Isomers ◽  
Moose River

Abstract Peatland waters of the Moose River basin, as well as surficial sediments and vascular plants of the estuary were sampled in 1982. Elevated levels of PCBs were found at all five peatland sites; concentrations ranged from 28 to 65 ng/L. Of the seventeen organochlorine pesticides investigated, the hexachlorocyclohexane isomers (a-and y-BHC) were the most prominent with total BHC concentrations ranging from 1.5 to 13.7 ng/L. The presence of these contaminants in ombrotrophic bogs indicated that there was atmospheric deposition of organochlorine contaminants in the basin. Analyses of surficial sediments, collected from tidal flats and coastal marshes, showed that PCBs and organochlorine pesticides were not present. Samples of Triglochin maritima L. seed heads and Typha latifolia L. roots were also free of PCBs.

Potential Use of Aquatic Macrophytes to Enhance the Treatment of Septic Tank Liquids

1999 ◽  
Vol 40 (3) ◽  
pp. 225-232 ◽  
Author(s):  
S. Perdomo ◽  
C. Bangueses ◽  
J. Fuentes
Keyword(s):  
Aquatic Macrophytes ◽  
Typha Latifolia ◽  
Correlation Coefficients ◽  
Statistical Characteristics ◽  
Septic Tank ◽  
Conventional System ◽  
Normal Probability ◽  
Complete Treatment ◽  
Floating Macrophyte ◽  
Potential Use

In several urban and suburban areas, the problem of the disposal and treatment of septic tank liquids has not been solved yet. This paper deals with the primary operational evaluation of a conventional system of ponds used at Tarariras, in the Department of Colonia, Uruguay, as well as the potential use of aquatic macrophytes to enhance such treatment. The conventional system was sampled over a period of approximately one month at the end of the summer in order to determine the main parameters. Groups of up to 20 samples were studied to determine the normal distributions. Correlation coefficients were obtained for the normal probability plot between 0.84 and 0.99. The most relevant statistical characteristics were calculated for each parameter. The removal efficiency was 80.0% of BOD5, 58.5% of COD, 75.8% of NH4+-N, 9.5% of PO4−3-P and 38.5% of TSS. At the same time, batch and semi-continuous trials were carried out at bench scale with Eichhornia crassipes (floating macrophyte) and Typha latifolia (emergent macrophyte). The best efficiencies were obtained for the latter, with values of 96.6% of BOD5, 93.0% of COD, 99.6% of NH4+-N, 95.2% of PO4−3-P and 95.5% of TSS. It was concluded that constructed wetlands could be the answer to a more complete treatment process.

scholarly journals Optimization of oxalic acid pre-treatment and enzymatic saccharification in Typha latifolia for production of reducing sugar

2020 ◽  
Vol 18 (1) ◽  
Author(s):  
Sunil Kodishetty Ramaiah ◽  
Girisha Shringala Thimappa ◽  
Lokesh Kyathasandra Nataraj ◽  
Proteek Dasgupta
Keyword(s):  
Oxalic Acid ◽  
Enzymatic Saccharification ◽  
Typha Latifolia ◽  
Reducing Sugar ◽  
Pre Treatment

scholarly journals Removal of Pb, Cu, Cd, and Zn Present in Aqueous Solution Using Coupled Electrocoagulation-Phytoremediation Treatment

2017 ◽  
Vol 2017 ◽  
pp. 1-11 ◽  
Author(s):  
Francisco Ferniza-García ◽  
Araceli Amaya-Chávez ◽  
Gabriela Roa-Morales ◽  
Carlos E. Barrera-Díaz
Keyword(s):  
Aqueous Solution ◽  
Current Density ◽  
Batch Reactor ◽  
Operating Time ◽  
Typha Latifolia ◽  
Optimal Conditions ◽  
Lead And Zinc ◽  
Parallel Arrangement ◽  
Aluminum Electrodes ◽  
Cadmium Lead

This study presents the results of a coupled electrocoagulation-phytoremediation treatment for the reduction of copper, cadmium, lead, and zinc, present in aqueous solution. The electrocoagulation was carried out in a batch reactor using aluminum electrodes in parallel arrangement; the optimal conditions were current density of 8 mA/cm2 and operating time of 180 minutes. For phytoremediation the macrophytes, Typha latifolia L., were used during seven days of treatment. The results indicated that the coupled treatment reduced metal concentrations by 99.2% Cu, 81.3% Cd, and 99.4% Pb, while Zn increased due to the natural concentrations of the plant used.

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