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Nitritation and denitritation in sludge liquor treatment

Popular Abstract in Swedish Övergödningen av Östersjön är fortfarande ett problem. Förhöjda krav på kvävereduktion för de svenska avloppsreningsverken är därför att vänta. Detta innebär i sig ökad energi- och kemikalieförbrukning, vilket rimmar illa med ord som energieffektivisering och resurssnålhet. Biologisk kväverening av en specifik delström på reningsverket har dock potential att minska ytbeEnhanced biological nitrogen removal at municipal wastewater treatment plants is a common procedure to prevent eutrophication in water bodies. Increased load, stricter effluent regulations, and demands for reduced resource and energy consumption present new challenges for the wastewater treatment plants. One option when upgrading a wastewater treatment plant is to treat the sludge liquor produced

Review Public Spheres in Soviet-Type Societies: Between the Great Show of the Party-State and Religious Counter-Cultures/ Sphären von Öffentlichkeit in Gesellschaften sowjetischen Typs: Zwischen partei-staatlicher Selbstinszenierung und kirchlichen Gegenwelten

New Venture Teams’ Creativity and Performance: A Debate and Conflict Perspective

The 4P Quality Strategy for Breakthrough and Sustainable Development

Open possibilities for learning. A Swedish initiative on OER

Spectroscopic studies of energy levels, lifetimes and superionization in heavy atoms

The role of landfills asaccumulators of organig carbon to compensate for CO2 emissions to the atmosphere.

Visuell styrning (Visual control)

Äldre personers upplevelse av att använda förflyttnings hjälpmedel.

Ordlista till Diálogoi. 2 upplagan

The 19th and 20th Centuries Landscape and Settlement changes in the Romele area

Determination of over current protection thresholds for class D audio amplifiers

Monolithic class-D audio amplifiers typically feature built-in over current protection circuitry that shuts down the amplifier in case of a short circuit on the output speaker terminals. To minimize cost, the threshold at which the device shuts down must be set just above the maximum current that can flow in the loudspeaker during normal operation. The current required is determined by the complex

Current issues in pictorial semiotics. Lecture one: The Quadrature of the Hermeneutic Circle.

The first lecture will present pictorial semiotics within the framework of general semiotic theory. It will construe semiotics as a particular point of view taken on everything which is human or, more generally, endowed with life, rather than simply the continuation of the mixed or separate doctrines due to Saussure and Peirce. The historical part will describe briefly the development of pictorial

Ändrade regler för fåmansföretag

Routern och routing - en introduktion

Sustainable Accelerators

Fysiker lockar med lekande laser

Thick screens perforated with a periodic array of apertures with arbitrary cross-section

A plane wave impinges on a perfectly conducting thick screen perforated with a periodic array of apertures with arbitrary cross-section. The transmission and reflection coefficients are determined by a mode matching technique, earlier used by other authors for the case where the apertures have the geometry of a classical waveguide. The fields outside the screen are expanded in plane waves, while t

Education, Migration and Source Community Incomes in Rural China

Parallel and Distributed Graph Cuts

Graph cuts methods are at the core of many state-of-the-art algorithms in computer vision due to their efficiency in computing globally optimal solutions. In this paper, we solve the maximum flow/minimum cut problem in parallel by splitting the graph into multiple parts and hence, further increase the computational efficacy of graph cuts. Optimality of the solution is guaranteed by dual decomposit