摘要:
The invention relates to a method for utilizing phosphorous-containing wastes in facilities for the exclusive energy recovery of said wastes, such as mono-incinerators for sewage sludge and/or animal meal, during the co-incineration in power plants or during additional firings in cement industry furnaces or comparable furnaces of other branches of industry, in which method an installation for melt gasification of P-containing substances is integrated into existing or new facilities of said kind. Depending on the composition of the P-containing substance, said installation generates a metal melt, a lime-silico-phosphate-containing slag low in heavy metals, and a fuel gas, and the fuel gas is supplied as fuel to the facilities for the exclusive energy recovery.
摘要:
The invention relates to a method and a plant for recovering material and energy from phosphorus-containing waste by means of an air-assisted smelting-gasification and/or oxygen-assisted smelting-gasification process in metallurgical shaft furnaces. In said method, the phosphorus and/or phosphorous compounds reaching the gas phase in metallurgical shaft furnaces during the method-specific recovery of material and energy from phosphorus-containing waste by means of air-assisted and/or oxygen-assisted smelting-gasification can be easily separated and be used for metallurgical material recycling processes without having to go through a complex wet gas purification process combined with an integrated quenching step to obtain cooling to about 5°C, e.g. because of organic residues contained in the waste.