Waste Management

Download International Conference on Nutrient Recovery From by Ken Ashley, Don Mavinic, Fred Koch PDF

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By Ken Ashley, Don Mavinic, Fred Koch

Final the loop for meals in wastewaters (municipal sewage, animal wastes, nutrition undefined, advertisement and different liquid waste streams) is an important, sustainable improvement goal, to minimize source intake and greenhouse fuel emissions. Chemistry, engineering and procedure integration figuring out are all constructing quick, as new methods are actually coming on-line. a brand new "paradigm" is rising, globally. advertisement advertising of recovered food as "green fertilizers" or recycling of food via biomass creation to new shops, similar to bioenergy, is changing into extra common. This interesting convention brings jointly a number of waste flow industries, regulators, researchers, method engineers and advertisement managers, to increase a broad-based, intersectional knowing and joint initiatives for phosphorus and nitrogen restoration from wastewater streams, in addition to reuse. Over ninety papers from over 30 assorted nations awarded during this quantity.

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Sample text

G. g. g. free of diseases like diarrhoea) to maximise P uptake Figure 2. A classification matrix of demand-side measures to meet future global phosphorus needs for food security. Demand measures include minimising phosphorus losses in each stage of the food production and consumption process, reducing the overall demand for phosphorus, and increasing phosphorus uptake by plants, humans and animals. FUTURE GLOBAL PHOSPHORUS DEMAND: A MOVING TARGET There are many interlinked and dynamic variables affecting the overall demand for phosphorus, making informed long-term forecasts challenging (FAO, 2000).

Fighting the urine blindness to provide more sanitation options. Water SA, 24. Dreborg, K. (1996). Essense of Backcasting. Futures, 28, 813–828. Driver, J. (1998). Phosphates recovery for recycling from sewage and animal waste. Phosphorus and Potassium, 216, 17–21. European Fertilizer Manufacturers Association (2000). Phosphorus: Essential Element for Food Production, European Fertilizer Manufacturers Association (EFMA) Brussels. FAO (1999). Urban and peri-urban agriculture, Food and Agriculture Organisation of the United Nations, Rome.

Cadmium levels and radium-phosphogypsum management at the mine, energy intensity of production and transport, prioritise renewable rather than non-renewable sources where possible, minimises losses to waterways where eutrophication is a problem). 6. Minimises losses in the entire food production and consumption system. 7. Ethical – not supporting and trading with a country illegally occupying regions with phosphate reserves. 8. g. Water, energy, sanitation, poverty reduction, environmental health).

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