9 articles in this issue
Rudi Nugroho
The treatment of wastewater containing high concentration of nitrate and lowconcentration of BOD using autotrophic bacteria were conducted in batchsuspension experiment to investigate nitrate concentration level which can betreated by the bacteria. The au... see more
Yudhi Soetrisno
In attempt to know the trophic status and phytoplankton community in Juandareservoir this research was conducted. This research revealed that based onsecchi disk and concentration of Chlorophyll-a the Juanda reservoir have become eutrophic, with phytoplan... see more
Sutopo Purwo Nugroho
Integrated watershed management, which aims at restoration of a soundhydrologic regime in the watershed considering water resources utilization,appropriate landuse, water quality control and environmental conservation, is becoming crucially important in I... see more
Tuti Suryati
Aquatic plants (Eichornia crassipes, Pistia stratiotes and Salvinia cucullata)were grown in a nutrient solution in the presence of Cd ion (0,2 mg/L). Analysiswere performed to established whether there was a removal of Cd in solutionand there was accumula... see more
Djoko Padmono
Anaerobic fixed bed reactor is a fermentation anaerobic reactor used microorganism attached growth system, where degradation of organic material done by microorganism that growth in support material as fixed film. This system mostly used for organic waste... see more
Wage Komarawidjaja
Some observation result said that the worst of enviromental uality happened is primarily caused by mislead in the aim of develoment nature resources that only concern to economic growth. Therefore, the develoment of brakisth water ecosystem as an economic... see more
Sri Pratiwi
BPPT has conducted Integrated Research on Biogas from night soil. This research has done thought pilot plant in Pondok Pesantren Tebu Ireng Jombang East Java. The product of the biogas pilot plant are compost and methane gas. The using of these products h... see more
Ruliasih Marsidi
To fulfill the people’s primary need, the government is duty bound to stock remote regions with a steady supply of fresh water. That duty necessitates assasing and applying of appropriate water treatment system in these remote regions or villages. In fact... see more
Muhammad Mansur
The degradation rate of forest in the recent 5 years increases rapidly,particulartly in Sulawesi. The biggest damaged comes from the human impact,which spreads to the conservation area. As a result, the areais decreased,whereas its function and its potenc... see more