Publisher's Synopsis
Nitrogen input to our environment has increased tremendously during the last four decades. Much has arisen from farming and the related agro-industries, such as tanneries and food-processing. As a result there have been negative impacts on human health as well as to our environment due to the surplus nitrogen, such as acidification of soil and waters, eutrophication of valuable water resources including rivers, lakes and coastal waters, and loss of biodiversity in a variety of terrestrial and aquatic ecosystems; oxides of nitrogen also have a major impact on atmospheric chemistry. A major contribution towards the solution of these problems will come from improved treatment technologies, both biological and physico-chemical. This issue contains articles setting out some of the best work currently underway. After five invited articles there are a further 54 articles selected after rigorous peer review, covering the following topics: state-of-art technologies for reject water treatment; nitrite nitrification; case studies of strong nitrogenous waste treatment and of advanced treatment technologies; the emerging Anammox technology for strong nitrogen removal; anaerobic treatment for strong nitrogen removal; process variation in nitrogen control; nitrogen removal with sequencing batch reactors; microbiological aspects of strong nitrogenous waste treatment; piggery waste treatment; developmental technologies for strong nitrogen removal; membrane bio-technology for strong nitrogen removal.
