Abstract
Comprehensive knowledge concerning the behavior of phosphorus (P) during combustion is necessary to enable more efficient recovery of P from combustion ashes for agricultural purposes. To this end,...
Highlights
Mineral phosphorus (P) is an essential resource in society, primarily for its usage in fertilizers
The difference in phosphate speciation could not solely be explained by the combustion conditions and the elemental composition of the ash fractions. These results show that it is necessary to consider the chemical association of P in the fuel to predict the type of phosphates that will form in fluidized bed combustion ashes
Ash in the bed sample was found as individual bed ash particles or as layers formed on the bed material grains, distributed between inner reaction layers and outer coating layers
Summary
Mineral phosphorus (P) is an essential resource in society, primarily for its usage in fertilizers. It is considered as one of the key biogeochemical flows that must be considered for human society to thrive in the future because the use of P in agriculture has a severe impact on biodiversity as a result of freshwater eutrification.[1] on the basis of the current trends of the usage of mineral P in agriculture and the state of global phosphate reserves, a global P-scarcity crisis might occur in the immediate future.[2] A measure that would alleviate these problems is to increase the recycling of P in manure, human excreta, and food residues. There is the potential of distributing hazardous organic compounds contained within the sludge
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