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The low head hydropower development ?Capra VI and VII? consists of two small hydropower (SHP) stations accomplished in sequence on the homonym stream in Arge? County, center Romania, each of them less than 1MW. The SHPs, study case for this paper, follow the European directives regarding the water, the environment and the green energy. Their accomplishment was based on the existing delimitation of the minor river bed for which it was noticed that the ichthyofaunal environmental conditions are not entirely achieved...

Taking into consideration that Romania is confronted with many difficulties in the treatment of wastewater, especially in its rural and less populated areas, this paper proposes to present some possibilities to increase the treatment capacity of wastewater in a small Sequencing Batch Reactor (SBR) plant. The functioning of the SBR operation compartment was automated by using predefined time, i. e., a programmable controller. In order to identify the possible ways in which the wastewater treatment capacity could be...