TH25674Y - Production process of waste fuel (RDF-5) from plant fibers - Google Patents

Abstract

------February 24, 2023------(OCR) The process of producing refuse-derived fuel (RDF-5) from plant fibers involves controlling the ratio of plastic waste and plant fibers to produce RDF-5. This ensures optimal calorific value, moisture content, density, and the control of contaminant levels. Plastic waste is mixed with plant fibers, starch, lime, and paper scraps for 10 minutes until homogeneous, then molded into pellets and dried at 105°C. The resulting RDF-5 has a calorific value of 5,000-7,000 kilocalories per kilogram, a moisture content of 4.5-5.5%, and a density of 250-400 grams per cubic centimeter. ------------ The process of producing refuse-derived fuel (RDF-5) from plant fibers involves controlling the ratio of plastic waste and plant fibers to produce RDF-5, thereby achieving optimal calorific value, moisture content, density, and the control of contaminant levels. The heat value, moisture content, density, and contaminant levels can be controlled to appropriate levels by mixing plastic waste with plant fibers, starch, lime, and paper scraps. This mixture is kneaded for 10 minutes until homogeneous, then molded into blocks and dried at 105°C. The resulting waste fuel has a heat value of 5,000-7,000 kilocalories per kilogram, a moisture content of 4.5-5.5%, and a density of 250-400 grams per cubic centimeter.

Claims (5)

------February 24, 2023------(OCR) 1. The process for producing refuse-derived fuel (RDF-5) from plant fibers consists of: a. Plastic preparation: Waste is sorted to remove impurities, separating the plastic waste. b. Mechanically crushing the plastic waste to a size smaller than 5 millimeters. c. Plant fiber preparation: Plant fibers are dried for 6 hours until the moisture content reaches 5-30% (standard dry weight). d. Mechanically crushing the plant fibers obtained from step c to a size smaller than 5 millimeters. e. Mixing the refuse-derived fuel mixture: The plastic waste is mixed with the plant fibers. The resulting mixture is then crushed until fine and homogeneous. f. Adding tapioca starch, lime, and paper scraps to the mixture from step e. The mixture is mixed for 10 minutes, adding water during the molding process. g. Molding into briquettes and drying at 105 degrees Celsius. ------------ 1. The process of producing refuse-derived fuel (RDF-5) from plant fibers consists of three main steps: 1) Plastic preparation, where waste is collected, impurities are separated, and it is finely ground; 2) Plant fiber preparation, where the plant fibers are dried and finely ground; and 3) Mixing the refuse-derived fuel mixture, which involves combining the plastic, plant fibers, and starch. 2. The process for producing refuse-derived fuel (RDF-5) from plant fibers, as per claim 1, where the plastic preparation steps consist of: a) separating impurities from the waste and separating the plastic waste; and b) crushing the plastic waste mechanically to a size smaller than 5 millimeters. 3. The process for producing refuse-derived fuel (RDF-5) from plant fibers, as per claim 1, involves the following steps in preparing the plant fibers: a) drying the plant fibers for 6 hours until they reach a moisture content of 5-30% (dry standard); b) mechanically grinding the plant fibers to a size smaller than 5 millimeters. 4. The process for producing refuse-derived fuel (RDF-5) from plant fibers, as per claim 1, involves the following mixing steps: a) Mixing 20-60% plastic waste with 40-80% plant fibers; b) Grinding the mixture until it is fine and homogeneous; c) Adding 2-8% tapioca starch and 0.1-0.5% lime to the homogeneous mixture, along with waste paper in a ratio of lime to waste paper of not less than 0.0-0.5% by weight, and mixing for 10 minutes while adding water in the molding chamber at a ratio of 0.01-0.1% by weight; d) Molding into briquettes; e) Drying at 105°C. 5. The optimal conditions for producing refuse-derived fuel (RDF-5) from plant fibers involve mixing 20-50% plastic waste with 50-80% plant fibers, 6-8% tapioca starch, and 0.1-0.3% lime, along with waste paper in a lime-to-paper ratio of at least 0.0-0.5% by weight. The mixture is stirred for 10 minutes, adding water in a weight-percentage of 0.01-0.1% during the molding process until a homogeneous mixture is achieved. The mixture is then molded into briquettes and dried at 105°C.