Browsing by Author "Rossle, Werner Herbert"

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The effects of short-term temperature variations on activated sludge settling

Rossle, Werner Herbert (University of Pretoria, 2008-12-15)

Settling properties of activated sludge or mixed liquor suspended solids (MLSS) have been studied for more than 75 years at wastewater treatment plants. Temperature, together with MLSS concentration, has been acknowledged ...
Liquid and solids management impact on nutrient ratios for in-line wastewater prefermenters

Rossle, Werner Herbert (University of Pretoria, 2007-01-03)

This research explored the effects of operational parameters on the prefermentation of primary wastewater sludge and the resultant wastewater characteristics changes at a full-scale in-line prefermenter, with due emphasis ...

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