C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
44/1
C10L 5/00 (2006.01) A01C 1/00 (2006.01) A01G 23/02 (2006.01) A01N 3/02 (2006.01) A01N 59/06 (2006.01) A01N 65/00 (2006.01) C05D 3/00 (2006.01) C09K 17/12 (2006.01) C09K 17/48 (2006.01) C10G 1/04 (2006.01)
Patent
CA 1056598
Abstract of the Disclosure Solid carbonaceous fossil fuels such as coal, lignite and peat are treated with an aqueous medium containing a novel catalyst to remove undesirable constituents and pro- duce valuable products. The catalyst is prepared by steps including admixing a water soluble alkali metal silicate with an aqueous medium containing carefully controlled amounts of dissolved water soluble substances which are sources of calcium ion and magnesium ion, reacting the same to produce an aqueous colloidal suspension of the reaction product, admixing a micelle-forming surfactant with the aqueous medium, and agitating the aqueous medium containing the colloidal particles and surfactant to form catalyst-containing micelles. In one variant, combustible sulfur and nitrogen compounds and alkali metal ash are removed, and the resulting treated fuel may be used in urban areas where strict air pollution regulations must be met. The coal, lignite and peat react with water and/or the components thereof when treated with an aqueous medium containing the catalyst, and/or are oxidized or otherwise chemically changed to produce valuable organic chemicals which are soluble in one or more solvents including the aqueous treating medium, water soluble and water insoluble organic extraction solvents, aqueous solutions of organic and inorganic acids and aqueous solutions of organic and inorganic bases. The treated insoluble particles of coal, lignite and peat remaining after extraction with one or more of the above solvents have ion exchange properties and are useful as an absorbent or adsorbent for liquid phase organic and inorganic compounds and for removing organic and inorganic acidic components from gaseous mixtures in a manner similar to activated carbon. In a further variant, particles of a fossil fuel containing metal values are treated with an aqueous medium in the presence of the catalyst, and thereafter the treated particles are separated from the aqueous medium and extracted with an aqueous leach solution in which the metal values are soluble. The solubilized metal values are recovered from the resulting leach liquor following prior art hydrometallurgical techniques. In still a further variant, the solid particles of the treated coal, lignite and peat, or components thereof. are treated and solubilized in the aqueous catalyst suspension to produce a novel aqueous solution which has highly unusual and unexpected properties. The resultant solution has unique germicidal, medicinal and synergistic properties, and it also has important applications in agriculture and animal husbandry.
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