Introduction
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Rice husk a major by-product of the rice milling industry, is one of the most commonly available lignocellulosic materials that can be converted to different types of fuels and chemical foodstocks through a variety of thermochemical conversion processes (Mansaray & Ghaly, 1997). Rice husk, also called as rice hull is the outer shell or the coating on a grain of rice. It is a hard material containing silica and lignin that protects the grain during growing season. Due to its physical and chemical properties, rice hull in its loose form is mostly used in energy production such as combustion and gasification. Other efficient uses of this by-product involves different heat processes.
In Several ways, rice hull can be converted into energy and heat content can be distinctively determined. Heat content is the amount of energy in a substance or the stored amount of heat in the material which is measured through the process of calorimetry. Hence, the main subject of this experiment which is the rice hull, has a specific content of heat that is acquired through combustion or burning of carbon in the rice husk, which emits CO2 and generates heat energy for further use.
This experiment aims to (1) Determine the heat content of the rice hull and (2) Identify the distinct heat content of the rice hull to other materials with specific heat content. The hypotheses of this experiment include the following
Null Hypothesis:
There is no distinct difference to the heat content of rice hull and to the other material with specific heat content.
Alternative Hypothesis:
There is a distinct difference to the heat content of rice hull and to the other material with specific heat content.
The scope of the experiment circulates to the use of rice hull as the main subject . It will be utilized to gather the data by measuring its heat content. Furthermore, it will be tested and observed in an open field or safe place where it will cause no harm to anyone and to the environment.
References
Mansaray K.G., & Ghaly A. E. (1997). Physical and Thermochemical Properties of Rice Husk,Energy Sources, 19:9, 989-1004, DOI: 10.1080/00908319708908904
Jianfeng et al., (2012). Energy Procedia.17, 208-213.
http://www.knowledgebank.irri.org/step-by-step-production/postharvest/rice-by-products/rice-husk
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