Response to variations in nutrient inputs to the southern estuary of river Göta älv on the Swedish west-coast is investigated by means of estuarine nutrient and chlorophyll (Chl-a) data from 1990–05. The estuary receives nutrients from the river, and from the Gothenburg Waste Water Treatment Plant (WWTP). Since 1972, when the WWTP was built, the […]
Biological nitrogen removal by the use of Sequencing Batch Reactors (SBR) is today an accepted and well proven model. The Nowy Targ SBR plant has been in operation for 15 years, and comprehensive performance data are available for assessment. This paper focuses on the 2005 year operation, characterised by high organic and nitrogen loading and […]
The Vomb lake is centrally located in the south of Sweden and is an important source for drinking water. Sydvatten AB (water company) delivers drinking water to about 300 000 inhabitants. There is an intensive agricultural activity within the catchment area, where nutrients as well as pesticides are being used. The objective of the project […]
Författare Ann-Christin Sundahl, Cecilia Wennberg, Lena Tilly ,
Fredrik Wettemark, Peter Magnusson och Jakob Schuster
Nyckelord (Keyword) water supply, European Water Framework
In this study, a comparison between Moringa Oleifera MO and aluminium sulphate was conducted for coagulation of turbide water using jar test. The optimum coagulant dosage was investigated for different levels of turbidity, and the impact on treated water properties monitored. Use of MO together with direct filtration was also investigated. Coagulation with aluminium sulphate […]
Författare Emelie Arnoldsson, Maria Bergman, Nelson Matsinhe and Kenneth M Persson
Nyckelord (Keyword) Moringa Oleifera, drinking water treatment, aluminium sulphate
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