Nitrogen fertilisers and Haber Bosch process
World fertiliser prodcution
Prodution of different sorts of fertilisers in the world in 2002 and 2003 in texts and diagrams from International Fertilizer Industry Association (IFA)
Basic information about manufacturing of fertilizers (production process, techniques, regulations and sustainebility aspects) from European fertiliser manufacturing association EMFA.
Haber Bosch process for ammonia production
Good and comprehensive overview of the Haber Bosch process in an illustrated overview page: history, chemical reactions, catalysts and physical conditions, relevance for industry including fertilisers
From: AUS-eTUTE, Australian chemical tutorials
Problems of nutrient excess and eutrophication
Eutrophication in detail and example Sweden
Detailed description of eutrophication, the impacts and examples for municipal water treatment in Sweden. Text and figures from the Swedish Environment Protection Agency
Eutrophication and impacts
A short overview from the Marine Conservation Society
A short overview about algaea and the related problem in text and photos.
Investigation of eutrophication
Scientists study eutrophication by adding different amounts of nutrients to little lakes. An example from research ...
Read also about phosphate removal.
For the classroom
Text and test
on the Haber Process, nitrogen fertilisation and eutrophication