The cultivation of agricultural crops results in the generation of agricultural byproducts. One of the abundant biomass is thought to be agricultural byproducts produced annually. The annual amount of approximately 11.6 million tons of agricultural byproducts, and the annual 6.82 million tons of rice straw, rice hulls per year, 850,000 tons, fruit byproducts may reach 1.1 million tons per year. Agricultural byproducts has been regarded as wastes. Many studys have reported that these materials can be useful in a variety of applications. However, applications of agricultural byproducts are relatively difficult and takes long time. Over 50% of them are currently discarded because of the lack of specific technologies in industrial applications. Therefore, effective and specific applications must be developed in order to manufacture high-quality materials using discarded lignocellulosic resources. In order to solve these problems, the total technologies and economic feasibility for the industrialization of agricultural byproducts must be explored instead of the development of individual technology.
In this study, we investigated the applicability of new powdered additives in the paperboard. In the previous study, we manufactured the organic fillers form rice hulls, peanut husks and garlic stems by grinding. To assess the effect of the organic fillers made of agricultural byproducts, compare with wood powder. Organic fillers measured chemical composition and physical propertied such as each grade particle size, particle distribution, shape and fiber length. In addition, physical properties and drying energy consumption of additives organic fillers on paperboard estimated. Physicals properties of paperboard such as bulk, tensile, burst and compression. The strength and drying energy consumption on each grade of organic fillers on rice hulls, peanut husks and wood powders was similar trend but paperboard additives organic fillers made of garlic stems was low value than others organic fillers. Finally, organic fillers made of the agricultural byproducts were evaluated as having the potential of organic fillers that can be replaced as a wood powder.