Dragos Dracea, Augustina Tronac and Sebastian Mustata
World energy systems development is based on the use of renewable sources, their valorisation benefits of technical and economical stimulating actions. The main disadvantage is related to the low efficiency caused by low energy density and high value investments. The cost of renewable energy is higher than energy coming from conventional sources. Reducing the costs of producing unconventional energy can be achieved by integrating economic and social activities into the system, providing futher benefits. From the potential point of view, it is estimated that biomass occupies the first place in a ranking of unconventional energies. Biomass boosted by anaerobic fermentation with biogas production and cogeneration can provide "peak" energy production and can balance energy systems. Waste utilized by these processes involves reducing environmental impacts by diminushing managed volumes and efficient control. In the present paper are characterized by calculations aspects of the exploitation and elements regarding the optimization of some high-capacity fermenters of a wastewater treatment system.
Ricuţa-Vasilica Dobrinoiu, Silvana Mihaela Dănăilă-Guidea, Rodica Ivan, Cristina Elena Filip and Fabio Massimo Sprio
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Daniela Mihalache, Carmen Eugenia Sîrbu and Adriana Grigore
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Elena Săvulescu, Mihaela Ioana Georgescu, Vlad Popa and Vasilica Luchian
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Adela Hoble, Daniela Popescu, Claudiu Bunea, Daniel Cluzeau, Muriel Guernion, Annegret Nicolai, Alben Fertil, Silvia Winter, Johann Zaller and Gema Guzmán
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Kassem Houshaimy, Dorin Țogoe, Tiberiu Constantin, Cătălin Micșa and Alexandru Șonea
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