Abstract: A power generation system in which the combustion heat of hydrocarbon gas is used to heat the steam for power generation; at the same time, the exhaust heat thereof is used to dry and thy-distill low rank coal. The power generation system includes: a dry distillation step for dry-distilling low rank coal of high moisture content; a cooling step for cooling the fixed carbon obtained in the dry distillation step; a combustion step in which hydrocarbon gas obtained in the dry distillation step is used as the main fuel; and a power generation step in which there are provided a power generator moving a steam turbine by main steam generated in the combustion step and a condenser.

Abstract: A fixed carbon production device is provided with: a quench chamber for collecting fixed carbon; a dry distillation furnace which is erected and fixed in the quench chamber and into which raw material coal is fed; a dry distillation unit which is polygonal in horizontal cross-section and is partitioned by a separating wall which partitions the inside of the dry distillation furnace in the vertical direction; a dry distillation mini-furnace which is polygonal in horizontal cross-section and which is partitioned by a partition which partitions the inside of the dry distillation unit in the vertical direction; a pipe heating means which is arranged on the separating wall of the dry distillation unit and the partition of the dry distillation mini-furnace and which dry-distills the raw material coal; and a collection path for collecting fixed carbon collected in the quench chamber.

Abstract: Most of the abundant naturally occurring low rank coal, which has a high moisture content and a high oxygen content, is transported with poor efficiency; utilized for heating with degraded thermal efficiency because of the loss of heat due to sensible heat for heating moisture and latent heat for vaporizing moisture; and utilized in existing coal combustion facilities with difficulty due to a high volatile component content.

Abstract: Provided is a fixed carbon production device excellent in operation stability and safety which has high strength and may have a compact device volume, which makes possible production of high-quality fixed carbon with high yields and in large amounts, which is capable of keeping the dry distillation temperature low, which has few restraints in the compositional material, which, having a low dry distillation temperature and low heat input amount, has excellent energy-saving efficiency, and which is capable of solving problems due to a tar component.

Abstract: Provided is a power generation system in which the combustion heat of hydrocarbon gas is used to heat the steam for power generation; at the same time, the exhaust heat thereof is used to dry and dry-distill low rank coal. Due to the use of a moving bed dry distillation furnace, it is possible to keep the product gas temperature reduced; further, fewer restrictions are imposed on materials such as those for gas pipes, etc., and it is possible to achieve excellent maintainability.

Abstract: There is provided a negative-electrode material for rechargeable batteries with a nonaqueous electrolyte which have a high charge/discharge capacity and excellent rate characteristics. The negative-electrode material for rechargeable batteries with a nonaqueous electrolyte comprises: carbon material having a carbon atom content of not less than 98.0% in terms of mass and a lattice spacing (d002) of not more than 3.370 angstroms in the C-axis direction; and a boron compound represented by general formula HxBOy wherein x represents a real number of 0 to 1.0; and y represents a real number of 1.5 to 3.0, wherein the boron compound is bonded to a portion of the carbon atoms of the carbon material.

Abstract: Most of the abundant naturally occurring low rank coal, which has a high moisture content and a high oxygen content, is transported with poor efficiency; utilized for heating with degraded thermal efficiency because of the loss of heat due to sensible heat for heating moisture and latent heat for vaporizing moisture; and utilized in existing coal combustion facilities with difficulty due to a high volatile component content.

Abstract: An integrated coal gasification combined cycle facility is provided that can prevent a reduction in power generation efficiency even when low-grade coal having a relatively-high moisture content is used. Included are: a gasification section that gasifies supplied coal; a gas power generation section that generates power by using gas supplied from the gasification section; a steam power generation section that generates power by using the heat of exhaust gas discharged from the gas power generation section; and a coal drying unit that dries the coal by using exhaust heat discharged from the steam power generation section and that supplies the dried coal to the gasification section.

Abstract: A thermal power plant that uses low-grade coal as fuel and allows for increased thermal efficiency of the entire plant is provided. The thermal power plant includes a drying device (3) that dries the low-grade coal to be supplied to a lignite mill (coal pulverizer) (4), and a drying-gas heater (13) that heats air to be supplied to the drying device (3) so as to be used for drying the low-grade coal. A condenser (12) and the drying-gas heater (13) are connected with each other via a heat exchanger (19), and exhaust heat from the condenser (12) is used as a heat source for heating the air.

Abstract: A method for forming a porous filamentous nanocarbon involves radially forming a tunnel-like mesopore from an outer periphery toward the central axis of a filamentous nano carbon by attaching a material having a metal catalyst on an outer periphery of the filamentous nanocarbon and removing a carbon hexagonal plane through gasification in virtue of the metal catalyst.

Abstract: An integrated coal gasification combined cycle facility is provided that can prevent a reduction in power generation efficiency even when low-grade coal having a relatively-high moisture content is used. Included are: a gasification section that gasifies supplied coal; a gas power generation section that generates power by using gas supplied from the gasification section; a steam power generation section that generates power by using the heat of exhaust gas discharged from the gas power generation section; and a coal drying unit that dries the coal by using exhaust heat discharged from the steam power generation section and that supplies the dried coal to the gasification section.

Abstract: A carbon nano-fibrous rod including a predetermined number of hexagonal carbon layers extending in one direction, and a fibrous nanoncarbon which includes a plurality of the carbon nano-fibrous rods three-dimensionally gathered are disclosed.

Abstract: This invention relates to a technique for removing nitrogen oxides (NOx) present in exhaust gases discharged from boilers and the like. When the temperature of the exhaust gas is 100° C. or below, a heat-treated active carbon produced by heat-treating a raw active carbon at 600 to 1,200° C. in a non-oxidizing atmosphere so as to remove oxygen-containing functional groups present at the surfaces thereof and thereby reduce the atomic surface oxygen/surface carbon ratio to 0.05 or less is preferably used. When the temperature of the exhaust gas exceeds 100° C., a heat-treated active carbon produced by heat-treating a raw active carbon at 600 to 1,200° C. in a non-oxidizing atmosphere and activating the surfaces thereof with sulfuric acid or nitric acid to impart oxidizing oxygen-containing functional groups thereto is preferably used.

Abstract: A method for forming a porous filamentous nanocarbon involves radially forming a tunnel-like mesopore from an outer periphery toward the central axis of a filamentous nano carbon by attaching a material having a metal catalyst on an outer periphery of the filamentous nanocarbon and removing a carbon hexagonal plane through gasification in virtue of the metal catalyst.

Abstract: This invention relates to a hydrodesulfurization catalyst and a method for preparing the catalyst by spray pyrolysis. The catalyst is useful for the hydrodesulfurization of gas oils, particularly diesel. The catalyst particles can include at least one metal selected from molybdenum, cobalt and nickel, and a silicon dioxide support. The spray pyrolysis technique allows for the preparation of catalyst particles having high loading of catalyst on the substrate.

Abstract: This invention relates to a technique for removing nitrogen oxides (NOx) present in exhaust gases discharged from boilers and the like. When the temperature of the exhaust gas is 100° C. or below, a heat-treated active carbon produced by heat-treating a raw active carbon at 600 to 1,200° C. in a non-oxidizing atmosphere so as to remove oxygen-containing functional groups present at the surfaces thereof and thereby reduce the atomic surface oxygen/surface carbon ratio to 0.05 or less is preferably used. When the temperature of the exhaust gas exceeds 100° C., a heat-treated active carbon produced by heat-treating a raw active carbon at 600 to 1,200° C. in a non-oxidizing atmosphere and activating the surfaces thereof with sulfuric acid or nitric acid to impart oxidizing oxygen-containing functional groups thereto is preferably used.

Abstract: There is provided a porous filamentous nanocarbon and a method for forming the same. A mesopore formed on an outer periphery of the porous filamentous nanocarbon is a tunnel-like pore which is formed along the arrangement direction of the carbon hexagonal plane from the outer periphery toward a fiber axis. The porous filamentous nanocarbon is fabricated by selectively removing the carbon hexagonal plane constituting the filamentous nanocarbon through gasification in virtue of a catalyst, after highly dispersing Fe, Ni, Co, Pt, etc., of which size is 2-30 nm, on the surface of the filamentous nanocarbon. That is, the tunnel-like mesopore is formed radially by nano-drilling process. The size of the porous filamentous nanocarbon can be controlled according to the size of the nano-drilling catalyst and non-drilling conditions.

Abstract: This invention relates to a technique for removing nitrogen oxides (NOx) present in exhaust gases discharged from boilers and the like. When the temperature of the exhaust gas is 100° C. or below, a heat-treated active carbon produced by heat-treating a raw active carbon at 600 to 1,200° C. in a non-oxidizing atmosphere so as to remove oxygen-containing functional groups present at the surfaces thereof and thereby reduce the atomic surface oxygen/surface carbon ratio to 0.05 or less is preferably used. When the temperature of the exhaust gas exceeds 100° C., a heat-treated active carbon produced by heat-treating a raw active carbon at 600. to 1,200° C. in a non-oxidizing atmosphere and activating the surfaces thereof with sulfuric acid or nitric acid to impart oxidizing oxygen-containing functional groups thereto is preferably used.

Abstract: A non-aqueous electrolyte secondary battery has an electrode plate assembly including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode; a non-aqueous electrolyte including a lithium salt and a non-aqueous solvent; and a gas absorbing element that absorbs gas produced in the secondary battery, wetting of the gas absorbing element with the non-aqueous solvent is controlled.

Abstract: A non-aqueous electrolyte secondary battery has an electrode plate assembly including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode; a non-aqueous electrolyte including a lithium salt and a non-aqueous solvent; and a gas absorbing element that absorbs gas produced in the secondary battery, wetting of the gas absorbing element with the non-aqueous solvent is controlled.