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Synthesizing activated biochar from rice straw biomass to remove methylene blue dye, involves washing rice straw with distilled water to remove undesirable substances and drying in hot air oven followed by pyrolyzing under nitrogen, acid-treating pyrolyzed biochar with nitric acid, and neutralizing 2024-11-20
System for iron ore pellet production for steel plants, comprises feed bins for pelletization raw materials including raw additive and fuel bin, comprising of coke breeze discharge section and/or coke dry quenching unit based waste coke dry quenching dust particles/fines discharge section 2023-07-31
Light-emitting smart helmet for use by motorcyclist in e.g. tunnel and at night, has light-emitting unit for changing color by recognizing user motion through motion processing unit and controller, and battery for supplying electric power 2023-06-27