This study aims to identify the potential of dairy cattle waste to become biogas in Jetak Village as a solution in dealing with environmental problems. In this study using primary data obtained from 72 respondents through in-depth interviews, observation and documentation. The method used is descriptive qualitative with a qualitative descriptive approach and an analysis of conversion of dairy cattle dung into methane gas production. The results showed that the potential for renewable energy from dairy cattle waste to biogas was 4,424 kg / day or equivalent to 35.35 m3 / kg with a methane content of 24.75 m3. The utilization of dairy cattle waste in Jetak Village into compost / organic fertilizer has not been done by the community due to a lack of community knowledge and the motivation of people who are still low in processing livestock waste into other products.
The purpose of this research is to know how to manage livestock waste into biogas energy in Jetak Village, Semarang Regency. The method used qualitative descriptive with qualitative descriptive approach. The technique of determining key informants was done by purposive sampling. Data were obtained from cattle ranchers who lived in the study sites through interviews, observation and documentation. The result of this research is the community biogas users in Jetak Village who get assistance from DAK (Special Budget Fund) in 2008 not yet fully utilize this technology optimally. This can be seen from some of the user community that experienced obstacles such as cracking of main digester, utilization of less than maximum energy,etc. The community of users who get this assistance is a community that has a large number of farms about 15-20 head of cattle, so it is expected that the potential of gas produced greater and can help the surrounding community to meet the needs of energy. Each user community distributes the gas to five local people. At this time some of the installation has been damaged so that people again use LPG gas for energy fulfillment, especially cooking activity.
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