Published in: 2003
Hultman, B., Levlin, E., Plaza, E., Stark, K.
Phosphorus recovery from wastewater may be a requirement in Sweden in the future. An intermediate target is that by 2015, at least 60 per cent of the phosphorus in wastewater shall be restored to productive soil, of which half should be returned to arable land. Different strategies and methods to achieve this target are discussed based on reports from the Swedish Environment Protection Agency (SEPA) and with special emphasis on extraction of phosphate from wastewater, sludge and ash at central plants. Some possible improvements are briefly discussed such as the use of certain comparatively clean sludge fractions and use of two-stage technology for the recovery.
Proceedings of a Polish-Swedish Seminar, Gdansk, 23-25 March 2003 on "Integration and Optimisation of Urban Sanitation Systems"
Hultman, B., Levlin, E., Plaza, E., Stark, K. (2003). Phosphorus Recovery from Sludge in Sweden - Possibilities to meet proposed goals in an efficient, sustainable and economical way.
English Europe, Caucasus & Central Asia Faecal sludge treatment processes
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