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Quality of biopellet from rice by-products valorisation by application of appropriate technology in densification.

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Bibliographic Details
Title: Quality of biopellet from rice by-products valorisation by application of appropriate technology in densification.
Authors: Rachmat, Ridwan, Misgiyarta, Histifarina, Dian, Fauzi, Ahmad
Source: AIP Conference Proceedings; 2024, Vol. 2957 Issue 1, p1-5, 5p
Subject Terms: RICE hulls, RICE, RICE straw, PADDY fields, POLLUTION
Geographic Terms: INDONESIA, JAVA (Indonesia)
Abstract: It is estimated that Indonesia has more than 12 million hectares of rice fields, most of which are located on the island of Java. Indonesia is one of the biggest rice producers in the world and produces 146.7 million tons of biomass per year or equivalent to about 470 GJ/y of energy. However, more than 90% of the rice by-products are still non-well-valorized and interfere the environmental pollution. This paper presents a study to develop biopellet production and to analyze the physical quality of the product. The research used rice husk and rice straw by applying the appropriate technology in a line process of equipment with 70 kg per batch in capacity and 70 mesh of raw materials fineness. The study indicated that the densification technique affects the physical quality of the biopellet. The formulation of adhesive concentration and densification process affect the yield recovery of biopellet. The low moisture content of rice straw and rice husk respectively improved the density and the calorific value of biopellet. This study mentioned that the calorific value of biopellet-based rice husk was higher than that of the biopellet-based rice straw, but the opposite condition occurred in the content of ash and volatile matter. The study concluded that the quality of biopellet comprised of physical characteristics and calorific value of rice by-products prospective as an advantage bioenergy and the spectrum of product utilization increased due to relatively uniform size and density for efficient storage and transportation. [ABSTRACT FROM AUTHOR]
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Database: Complementary Index
Description
Abstract:It is estimated that Indonesia has more than 12 million hectares of rice fields, most of which are located on the island of Java. Indonesia is one of the biggest rice producers in the world and produces 146.7 million tons of biomass per year or equivalent to about 470 GJ/y of energy. However, more than 90% of the rice by-products are still non-well-valorized and interfere the environmental pollution. This paper presents a study to develop biopellet production and to analyze the physical quality of the product. The research used rice husk and rice straw by applying the appropriate technology in a line process of equipment with 70 kg per batch in capacity and 70 mesh of raw materials fineness. The study indicated that the densification technique affects the physical quality of the biopellet. The formulation of adhesive concentration and densification process affect the yield recovery of biopellet. The low moisture content of rice straw and rice husk respectively improved the density and the calorific value of biopellet. This study mentioned that the calorific value of biopellet-based rice husk was higher than that of the biopellet-based rice straw, but the opposite condition occurred in the content of ash and volatile matter. The study concluded that the quality of biopellet comprised of physical characteristics and calorific value of rice by-products prospective as an advantage bioenergy and the spectrum of product utilization increased due to relatively uniform size and density for efficient storage and transportation. [ABSTRACT FROM AUTHOR]
ISSN:0094243X
DOI:10.1063/5.0184471