Publication

Towards Management of the Bacterial Resource for Nutrient Removal in Granular Sludge Biofilm Systems

Christof Holliger
2014
Conference Papers

Abstract

The granular sludge biofilm sequencing batch reactor technology can become a next generation standard for high-rate biological nutrient removal from wastewater. This attractive process innovation based on mobile granular biofilms formed by self-aggregation of microorganisms is slowly penetrating the wastewater treatment market. Whereas full-scale plants are currently designed and installed, the design of operation strategies should rely on advanced understanding of mechanisms of microbial selection and granule formation. Based on five years of research conducted from process to biofilm and microbial scales, we provide an applied methodology towards efficient management of the bacterial resource in granular sludge

Official source

https://infoscience.epfl.ch/entities/publication/f28cd46c-cc7d-4a8f-92eb-e92db49a03db

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Christof Holliger
2014
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/f28cd46c-cc7d-4a8f-92eb-e92db49a03db

About this result

Related concepts (32)

Sewage treatment

Sewage treatment (or domestic wastewater treatment, municipal wastewater treatment) is a type of wastewater treatment which aims to remove contaminants from sewage to produce an effluent that is suitable to discharge to the surrounding environment or an intended reuse application, thereby preventing water pollution from raw sewage discharges. Sewage contains wastewater from households and businesses and possibly pre-treated industrial wastewater. There are a high number of sewage treatment processes to choose from.

Nutrient cycle

A nutrient cycle (or ecological recycling) is the movement and exchange of inorganic and organic matter back into the production of matter. Energy flow is a unidirectional and noncyclic pathway, whereas the movement of mineral nutrients is cyclic. Mineral cycles include the carbon cycle, sulfur cycle, nitrogen cycle, water cycle, phosphorus cycle, oxygen cycle, among others that continually recycle along with other mineral nutrients into productive ecological nutrition. The nutrient cycle is nature's recycling system.

Eutrophication

Eutrophication is the process by which an entire body of water, or parts of it, becomes progressively enriched with minerals and nutrients, particularly nitrogen and phosphorus. It has also been defined as "nutrient-induced increase in phytoplankton productivity". Water bodies with very low nutrient levels are termed oligotrophic and those with moderate nutrient levels are termed mesotrophic. Advanced eutrophication may also be referred to as dystrophic and hypertrophic conditions.

Related publications (9)

Towards Management of the Bacterial Resource for Nutrient Removal in Granular Sludge Biofilm Systems

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