This article explores the origins of our “piped society”, from the point of view of water and wastewater technologies. Modern water and sewer systems proliferated in Europe in the late 19th century, and the aim of article is to investigate into the reasons for the rapid spread of these urban sanitary technologies, and especially the […]
Författare JONAS HALLSTRÖM
Nyckelord (Keyword) water supply, sewerage, technology, public health, sanitation, ideology, history, Europe, Sweden.
Chemical composition of surface waters (lakes and rivers) of Latvia has been studied. The relationship between water composition, formation factors and human impact has been compared. Aquatic chemistry has been found to be controlled both by land-use pattern, human impact and hydrological factors, but in varying: extent for different water bodies. The possible sources of […]
A study concerning recovery of phosphorus from sludges and ashes has been performed as a cooperation project between Stockholm Water Co and the division of Water Resources Engineering at The Royal Institute of Technology. A model for calculation of the chemical demands for recovery of phosphorus using the commercial systems KREPRO, Cambi/KREPRO and BioCon has […]
Författare KRISTINA STARK, BENGT HULTMAN, AGNES MOSSAKOWSKA och ERIK LEVLIN
Nyckelord (Keyword) chemical precipitation, phosphorus recovery, sludge, sludge fractionation.
In VATTEN issue number 2, 1999, there was an article about the, at the time, newly started Water Project at the Swedish Environmental Protection Agency. That project, which was completed after two years, had as its overall objective to prepare Sweden for the new EU Water Framework Directive. The present paper describes the review of […]
Författare MARIA REINHOLDSON
Nyckelord (Keyword) Water Framework Directive, SEPA, river basin district, administrative arrangements, type-specific reference conditions, programme of' measures, river basin management plans.
Sludge incineration has been used in Japan for the last 30 years, as a method to reduce the sludge volume and to destroy organic pollutants. Today, incineration is conducted mainly in conventional fluid bed incinerators, however there is a shift towards the use of circulating fluid bed incinerators instead. The occurrence of dioxins is very […]
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