C - Chemistry – Metallurgy – 05 – F
Patent
C - Chemistry, Metallurgy
05
F
C05F 9/00 (2006.01) B03B 9/06 (2006.01) B09B 3/00 (2006.01) C01C 1/04 (2006.01) C07C 273/04 (2006.01) C07C 273/10 (2006.01) C10B 1/08 (2006.01) C10B 49/04 (2006.01) C10B 51/00 (2006.01) C10B 53/00 (2006.01) F23G 5/00 (2006.01) F23G 5/027 (2006.01) F23G 5/033 (2006.01)
Patent
CA 2347106
Garbage material from household and other city sources is processed in a co- current gas solid processing set-up. The temperature of the material being processed is increased gradually with simultaneously increase in chemical potentials upto a temperature where all carbon is reacted, and metals not required in steel composition are melted. These melted metals are filtered out. Slag forming ingredients are melted to form liquid and separated from steel forming metals, which remain as solids. The reaction gas used is industrial grade O2 or air that may be enriched with oxygen. Energy and blown out material is recovered from gases coming out of a high temperature reactor. The exit gases from particles recovery set up are used as heat sources in gas cleaning system from chemical impurities where purified gases CO, H2 are obtained. These purified gases may contain variable percentage of N2. These gases may be used as alternative to the natural gases. CO, H2 may be changed to H2 and CO2. The H2 obtained may be used as high quality household fuel or used in the synthesis of ammonia. H2 may be further purified to produce cryogenic hydrogen for space industry. CO2 and N2 gases along with steam may be used in new type of green houses. H2, N2 and CO2 gases may be used to produce urea. Remaining CO2 and N2 may be supplied as hot gases to the greenhouses. Excess steam available from plant will be used to produce electricity. Cu, Pb, Sn and other metallic will be recovered. The non-recovered metallic and metallic from various ashes will go with the slag material forming micronutrients fertilizer. The non-melted material will be high quality scrap. There is no direct use of water and there fore no water pollution, no gases discharge except some small portion of CO2 and N2. There is no sold residue therefore no environmental pollution. The introduction of all weather, composition control, temperature controlled greenhouses will be highly beneficial for the cold and hot climate regions. CO2 is used as insulating gas between double glass walls. A new process for sizing of steel articles, tires and automobile batteries is invented.
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