Nutrient removal in a vertical upflow wetland in Piracicaba, Brazil

Article Abstract:

Research indicates that vertical upflow systems are effective in removing nutrients from wetland areas. A system in Piracicaba, Brazil, demonstrated removal rates of 50% for ammonia, 78% for nitrate and 93% for phosphate, and offered the option of recycling nutrients for animal feed or fertilizer.

Brazil, Statistical Data Included, Management, Wetland ecology, Wetland conservation

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Trace element fluxes to the Baltic Sea: problems of input budgets

Article Abstract:

The source of metals pollution in the Baltic Sea is researched. The amount a metals found in the sea are too high for the amount that can be delivered by tributary rivers, so atmospheric pollution is also a contributor.

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Changing redox conditions in the Baltic Sea deep basins: impacts on the concentration and speciation of trace metals

Article Abstract:

Research into the influence of redox changes caused by an increased flow of salt water in the Baltic Sea on the amount trace metals found in the water are presented.

Oxidation-reduction reaction, Oxidation-reduction reactions

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