<![CDATA[This paper is intended to show the effect of temperature on utilization microbes of rumen Àuid to produce methane from coal (lignite, sub-bituminous and bituminous). By considering to field applications, where the CBM reservoir temperature is higher than the microbes natural living conditions in the cow's body, the experiment is carried out at a temperature of 30ºC and 50ºC with an incubation period time of 105 days. Laboratory scale study was conducted by mixing the coal, formation water and rumen Àuid (1: 1: 1). This mixture were inserted into a closed chamber equipped with a hose to measuring the volume of gas produced. The experiment results showed that the microbes of the rumen Àuid can grow on different type of coal and temperatures. The volume of gas production increased during the incubation time for all treatments. Obtained the highest methane production occurs at a temperature treatment of 50ºC for the sub-bituminous coal with a volume of 0.627liters/kg (22.14 cf/ton) from the total volume of gas produced as much as 7.25liters/kg (256 cf/ton).]]>
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