The effect of food to microorganism ratio (F:M) on nitrogen removal in intermittent cycle extended aeration activated sludge (ICEAS) system, has been studied using a large pilot scale treatment system. A basic operation schedule for BOD removal was used in the study. The objective of the study was also to develop data that would provide […]
The demand in Denmark for efficient wastewater treatment has increased dramatically lately. Before 1993 most wastewater treatment plants must meet the effluent quality demand 15 mg/1 BOD, 8 mg/l nitrogen and 1.5 mg/1 phosphorus. This means that the nitrogen removal has to be in the order of 70-80 % also at low wastewater temperatures (6-7°C). […]
Författare MAGNUS EMANUELSSON
Nyckelord (Keyword) nitrogen reduction, pilot test, pre-denitrification, chemical precipitation, methanol.
Successful treatment of leachates is often found to be difficult with respect to COD and nutrient removal. This paper presents the results of pilot plant tests carried out in situ at the sanitary landfill, Bösarp, operated by the city ofVarberg. The tests were performed by means of SBR-technics. The results have been very encouraging with […]
A large number of measurements and field studies on the quality of combined sewer overflow discharge quality have been carried out during the recent years. These measurements indicate that commonly used calculation methods for determining the pollution load from combined sewer overflows may greatly underestimate the actual load. This is due to the fact that […]
Författare RONNY BERNDTSSON, and WILLIAM HOGLAND and MAGNUS LARSSON,
The intention with this paper is to present one type of operative system for environmental consequence analysis (ECA) for natural aquatic ecosystems, i.e. lakes, rivers and marine areas. The operative system consists of two parts: (1) a “note system” for ECA, i.e., the scientific framework and concepts and (2) the “instruments”, i.e., the tools which […]
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