From Research to Community Services

A kraft pulp mill produces sludge cake of about 58 kg/ton pulp. This biomass has an ultimate analysis of (dry basis): 33-43% C, 4.5-6.4% H, 34-45% O, and 1.1-2.0% N, and a heating value of about 4000 kcal/kg. Its proximate analysis (dry basis) is: fixed carbon 11–14%, volatile matter 59–69%, and ash 3–26%, depending on [...]

1. Introduction Air conditioning technology is strongly related with two prominent environmental issues in this decade, i.e. global warming and ozone layer depletion problems. All improvements in air conditioning technology are directed to produce air conditioning machine with high energy-efficiency, and uses refrigerant with zero ODP (Ozone Depleting Potential) and very low GWP (Global Warming [...]

One of the potential energy resources in Indonesia is geothermal. About 40% of geothermal potential in the world is located in Indonesia, yet only 4% of the 40% that has been utilized to generate electricity. In order to optimize and manage the geothermal resource, the complete spatial information is of paramount importance. This information could [...]

There are extensive debates about government subsidies had create an overuse, inefficient use and wastage on resources in Indonesia (Perspektif Baru, 2002; Nugroho, 2005; Mukhtasor, 2010). Perspektif Baru (2002) and Nugroho (2005) especially stated that energy subsidies had create dependency on fossil fuel (BBM), and hamper the development of better national energy management and new [...]