INTEGRATED MANAGEMENT OF SOLID WASTEWATER IN MOUNTAIN HUT

In the recent years, new approaches in wastewater and solid waste management, based on source separation, appropriate treatment, recycling and reuse, have encountered increasing interest and application. In this spirit an integrated system, called ENERGIANOVA, have been developed at the University of Padova, IMAGE Department (Cossu et al., 2001; 2003). It is based on the separation of wastewater components into three streams – grey water, yellow water (urine) and brown water (fecal matter) - and subsequent differentiate treatment. Greywater and yellow water are treated in a wetland system; the effluent from the constructed wetland should be effectively utilized for uses not implying human consumption such as water for flushing the WC. Brown water is codigested with shredded food waste, under anaerobic mesophilic conditions, to obtain methane as alternative source of energy. The results achieved so far from the experimental facilities installed at the IMAGE Department are encouraging (Cossu et al., 2003, 2005, 2006). (Session A14: Integrated decentralized solid waste and sewage management (I))

An integrated system for management of solid waste and wastewater, called ENERGIANOVA, have been developed by the University of Padova, IMAGE Department, based on source collection of food waste, separation of the domestic sewage components into three streams - greywater, yellow water (urine) and brown water (fecal matter) - and subsequent different treatments based on technologies which optimise water reuse and energy recovery. The paper describes a case study dealing with the application of the Energianova system to an Alpine hut located in the Belluno Dolomites (Forno di Zoldo - Italy), 1452 m above the sea level. A pilot system has been designed in order to study the performance and the optimisation of the system under the specific environmental conditions (low temperature, energy constraints, people fluctuations, etc.). Description of the project, illustration of the system components and presentation of the results of monitoring and testing activities are herein given.



Copyright: © IWWG International Waste Working Group
Quelle: General Session A (Oktober 2007)
Seiten: 13
Preis: € 13,00
Autor: Raffaello Cossu
L. Alibardi
Patrizia Codromaz
 
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