Abstract
The aim of this research is to determine the effect of coconut and mineral waste of quail as adsorbents on the biogas purity. This research was designed to use the Completely Randomized Design (CRD) method with 6 treatments and 4 replications and the significant influence will be tested using Duncan Test. The result form this research showed that the use of coconut waste and mineral waste of quail as adsorbents gives highly significant influence (P<0,01) to increase the CH4 gas concentration, highly significant influence (P<0,01) to decrease CO2 gas concentration, highly significant influence (P<0,01) to decrease gas pressure and highly significant influence (P<0,01) to increase gas flow rate on biogas purity. The conclusion of this research is the use of 100% of activated coal from coconut waste, the use of 50% of activated coal from coconut waste and 50% of mineral waste from quail waste as an adsorbent are able to increase the quality of biogas. However, it is lack of effectiveness due to inappropriate application of biogas purification. It is suggested to do physical activation for both adsorbents in order to avoid saturation of the adsorbent so those absorbents be able to adsorb optimally the impurities gases on biogas.
Highlights
Indonesia is one of the countries facing problems related to the availability of fuel as an energy source
The measurement results show that the concentration of gas in the biogas before purification has a relatively low CH4 gas level and a high CO2 gas level
Results from this study proved that various treatments with different amount of carbon and mineral quail waste had high of water flow rate and less gas pressure than the control treatment
Summary
Indonesia is one of the countries facing problems related to the availability of fuel as an energy source. This is due to the large dependence of the Indonesian state on fossil fuels, if this problem is not addressed immediately it will lead to a scarcity of energy sources in Indonesia in the future. The use of fossil fuels as an energy source can lead to an increase in the concentration of greenhouse gases in the atmosphere caused by carbon emissions. The provision of feed for animals is a major contributor to land and water use greenhouse gas emission [1]. In line, overfishing and reduction in available land and water resources in huge archipelago island like Indonesia on which crops can be grown has led to an increase in animal industry. In line, overfishing and reduction in available land and water resources in huge archipelago island like Indonesia on which crops can be grown has led to an increase in animal industry. [2]
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