UTILIZATION OF SAWDUST AND RICE HUSK FOR PARTICLE BOARD APPLICATION

International audienceThe increasing amount of agricultural wastes generated is one of the major environmental problems in the country. Without proper segregation and utilization of these materials can cause pollution and may lead to environmental destruction. In this study, a particle board is developed utilizing various composition of sawdust, rice husk and starch. Different formulations of sawdust (30-60%) and rice husk (25-55%) and 15% starch with a fixed quantity of glue were tested for water absorption and density. Meanwhile, the performance of the pressing machine in developing the particle board was also evaluated. The testing of the machine was done to determine the various temperature of both molder and particleboard. Results showed that the maximum temperature of the side cover was 90 o C while the surface and core layer temperatures of particleboard were 120 o C and 87.62 o C, respectively. The water absorption increases as the amount of rice husk decreases. Based on the density, the particle boards were classified as low-density grade type

DESIGN AND DEVELOPMENT OF A MANUALLY-OPERATED HYDRAULIC HOT-PRESSING MACHINE FOR AGRICULTURAL WASTES-BASED PARTICLEBOARD APPLICATION

International audienceAgricultural wastes are residues produced as a result of various agricultural operations. The use of these materials offers potential benefits both environmentally and socioeconomically. One of the most successful approaches to the management of agricultural waste is the production of particleboards from it. Particleboard is a wood-based panel product manufactured under pressure and temperature from the particles of wood, or its alternative resources as substitutes, such as agricultural wastes, or other lignocellulose fibrous materials and a binder. Hence, a hot pressing machine is very important in producing particle boards from agricultural and industrial wastes for evaluation purposes. In this study, the design, development and evaluation of a manually-operated, hydraulic hotpressing machine for producing particleboard from alternative resources have been conducted. A simulation study of the hot-press machine based on the design shows that it can withstand stress and heat brought about in producing the particleboards. Further, the fabrication of the hot-pressing machine is successful as it can produce the composite board based on the design parameters

UTILIZATION OF SAWDUST AND RICE HUSK FOR PARTICLE BOARD APPLICATION

International audienceThe increasing amount of agricultural wastes generated is one of the major environmental problems in the country. Without proper segregation and utilization of these materials can cause pollution and may lead to environmental destruction. In this study, a particle board is developed utilizing various composition of sawdust, rice husk and starch. Different formulations of sawdust (30-60%) and rice husk (25-55%) and 15% starch with a fixed quantity of glue were tested for water absorption and density. Meanwhile, the performance of the pressing machine in developing the particle board was also evaluated. The testing of the machine was done to determine the various temperature of both molder and particleboard. Results showed that the maximum temperature of the side cover was 90 o C while the surface and core layer temperatures of particleboard were 120 o C and 87.62 o C, respectively. The water absorption increases as the amount of rice husk decreases. Based on the density, the particle boards were classified as low-density grade type