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A method for handling a substance from which a combustible gas volatilizes. A method for handling a substance from which a combustible gas volatilizes, in which, when such substance is handled inside an apparatus with a high degree of hermeticity, air is introduced into the apparatus and the substan

A method for handling a substance from which a combustible gas volatilizes. A method for handling a substance from which a combustible gas volatilizes, in which, when such substance is handled inside an apparatus with a high degree of hermeticity, air is introduced into the apparatus and the substance is handled in a state in which the volatilized combustible gas is diluted to a concentration at which neither explosion nor fire occurs. With this method for handling a substance from which a combustible gas volatilizes, the combustible gas is diluted with air to a concentration at which neither explosion nor fire occurs, without using inactive gases such as nitrogen or carbon dioxide that have to be produced or purchased. Therefore, a substance from which a combustible gas volatilizes can be inexpensively and safely handled in operations such as mixing and storing.

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1. A method for handling a substance from which a combustible gas volatilizes inside an apparatus with a high degree of hermeticity, which comprises steps of: mixing, in a mixing apparatus having a high degree of hermeticity, a mixture comprising air, oil mud and oil mud absorbent, the oil mud absor

1. A method for handling a substance from which a combustible gas volatilizes inside an apparatus with a high degree of hermeticity, which comprises steps of: mixing, in a mixing apparatus having a high degree of hermeticity, a mixture comprising air, oil mud and oil mud absorbent, the oil mud absorbent being selected from the group consisting of biomass, organic powders and mixtures thereof, the mixing including: volatilizing a combustible gas contained within the oil mud mixed with the air and biomass, while introducing the air into the mixing apparatus and diluting the volatilized combustible gas to a concentration that diminishes exploding or igniting of the combustible gas, and the air being introduced into the apparatus with a high degree of hermeticity, andforming a solid fuel from the mixture comprising oil mud and oil mud absorbent,transporting the solid fuel from the mixing apparatus using pneumatic pressure to a cement kiln,burning the solid fuel in a burner of the cement kiln and converting the solid fuel into a clinker, andfeeding air exiting from the mixing apparatus, which was used for diluting the combustible gas, into the cement kiln and cooling the clinker formed therein using the air from the mixing apparatus. 2. The method for handling a substance from which a combustible gas volatilizes according to claim 1, wherein the air exiting the mixing apparatus is also used as combustion gas in the burner of the cement kiln. 3. The method for handling a substance from which a combustible gas volatilizes according to claim 1, wherein an amount of the oil mud is 30 to 300 parts by weight per total 100 parts by weight of the oil mud absorbent. 4. The method for handling a substance from which a combustible gas volatilizes according to claim 1, wherein the mixture in the mixing step includes the biomass and the organic powder in a mass ratio of biomass/organic powder of 40/60 to 95/5, the organic powder has a mean particle size equal to or less than one half that of the biomass, an amount of the oil mud is 30 to 300 parts by weight per total 100 parts by weight of the biomass and the organic powder, and the biomass has an average particle size of 0.5 to 10 mm. 5. The method for handling a substance from which a combustible gas volatilizes according to claim 4, wherein the oil mud is selected from the group consisting of oil sludge, waste oil regeneration residue, spent coating material, spent inks, spent solvents, grease, spent vegetable oils, spent edible oils and dehydrated organic sludge. 6. The method for handling a substance from which a combustible gas volatilizes according to claim 4, wherein the biomass is obtained from biologically derived organic resources usable as a fuel and excluding fossil fuels. 7. The method for handling a substance from which a combustible gas volatilizes according to claim 4, wherein the biomass is selected from the group consisting of tatami waste, vegetable materials, polystyrene foam sheets, insulation boards, crush wood material, paper, wood chips and powdered wood materials. 8. The method for handling a substance from which a combustible gas volatilizes according to claim 4, wherein the organic powder is selected from the group consisting of toners, heavy oil ash, finely powdered coal, activated coal powder, meat-and-bone meal, powdered plastic wastes, powdered paper, powdered organic distillation residues and combinations thereof. 9. A method for handling a substance from which a combustible gas volatilizes inside an apparatus with a high degree of hermeticity, which comprises steps of: storing, in a storage apparatus having a high degree of hermeticity, a solid fuel formed from a mixture comprising air, oil mud and oil mud absorbent, the oil mud absorbent being selected from the group consisting of biomass, organic powders and mixtures thereof, and volatilizing a combustible gas contained within the mixture, while introducing the air into the mixing apparatus and diluting the volatilized combustible gas to a concentration that diminishes exploding or igniting of the combustible gas, and the air being introduced into the storage apparatus with a high degree of hermeticity, andtransporting the solid fuel from the storage apparatus using pneumatic pressure to a cement kiln,burning the solid fuel in a burner of the cement kiln and converting the solid fuel into a clinker, andfeeding air exiting from the storage apparatus, which was used for diluting the combustible gas, into the cement kiln and cooling the clinker with the air from the storage apparatus. 10. The method for handling a substance from which a combustible gas volatilizes according to claim 9, wherein the air exiting the storage apparatus is also used as combustion gas in a burner of the cement kiln. 11. The method for handling a substance from which a combustible gas volatilizes according to claim 9, wherein an amount of the oil mud is 30 to 300 parts by weight per total 100 parts by weight of the oil mud absorbent. 12. The method for handling a substance from which a combustible gas volatilizes according to claim 9, wherein the mixture includes the biomass and the organic powder in a mass ratio of biomass/organic powder of 40/60 to 95/5, the organic powder has a mean particle size equal to or less than one half that of the biomass, an amount of the oil mud is 30 to 300 parts by weight per total 100 parts by weight of the biomass and the organic powder, and the biomass has an average particle size of 0.5 to 10 mm. 13. The method for handling a substance from which a combustible gas volatilizes according to claim 12, wherein the oil mud is selected from the group consisting of oil sludge, waste oil regeneration residue, spent coating material, spent inks, spent solvents, grease, spent vegetable oils, spent edible oils and dehydrated organic sludge. 14. The method for handling a substance from which a combustible gas volatilizes according to claim 12, wherein the biomass is obtained from biologically derived organic resources usable as a fuel and excluding fossil fuels. 15. The method for handling a substance from which a combustible gas volatilizes according to claim 12, wherein the biomass is selected from the group consisting of tatami waste, vegetable materials, polystyrene foam sheets, insulation boards, crush wood material, paper, wood chips and powdered wood materials. 16. The method for handling a substance from which a combustible gas volatilizes according to claim 12, wherein the organic powder is selected from the group consisting of toners, heavy oil ash, finely powdered coal, activated coal powder, meat-and-bone meal, powdered plastic wastes, powdered paper, powdered organic distillation residues and combinations thereof. 17. A method for handling a substance from which a combustible gas volatilizes inside an apparatus with a high degree of hermeticity, which comprises steps of: mixing, in a mixing apparatus having a high degree of hermeticity, a mixture comprising air, oil mud and an oil mud absorbent, the oil mud absorbent being selected from the group consisting of biomass, organic powders and mixtures thereof, the mixing including: volatilizing a combustible gas contained within the oil mud mixed with the air and biomass, while introducing the air into the mixing apparatus and diluting the volatilized combustible gas to a concentration that diminishes exploding or igniting of the combustible gas, and the air being introduced into the apparatus with a high degree of hermeticity, andforming a solid fuel from the mixture comprising oil mud and oil mud absorbent in the mixing apparatus,storing, in a storage apparatus having a high degree of her hermeticity, the solid fuel from the mixing apparatus air; volatilizing a combustible gas contained within the solid fuel, while introducing the air in an amount sufficient for diluting the volatilized combustible gas to a concentration at which neither exploding nor igniting of the combustible gas occurs, and the air being introduced into the storage apparatus with a high degree of hermeticity,transporting the solid fuels from the mixing and storage apparatuses using pneumatic pressure to a cement kiln,burning the solid fuels in a burner of the cement kiln and converting the solid fuels into a clinker, andfeeding air exiting from the mixing and storage apparatuses, which were used for diluting the combustible gas, into the cement kiln and cooling of the clinker using the air from the mixing and storage apparatuses. 18. The method for handling a substance from which a combustible gas volatilizes according to claim 17, wherein the mixture in the mixing step includes the biomass and the organic powder in a mass ratio of biomass/organic powder of 40/60 to 95/5, the organic powder has a mean particle size equal to or less than one half that of the biomass, an amount of the oil mud is 30 to 300 parts by weight per total 100 parts by weight of the biomass and the organic powder, and the biomass has an average particle size of 0.5 to 10 mm. 19. The method for handling a substance from which a combustible gas volatilizes according to claim 18, wherein the oil mud is selected from the group consisting of oil sludge, waste oil regeneration residue, spent coating material, spent inks, spent solvents, grease, spent vegetable oils, spent edible oils and dehydrated organic sludge. 20. The method for handling a substance from which a combustible gas volatilizes according to claim 18, wherein the biomass is obtained from biologically derived organic resources usable as a fuel and excluding fossil fuels.