Akos Nemcsics, College of Engineering Budapest, Tavaszmezo str. 17, H-1084 Budapest, e-mail: nemcsics. akos@kvk. bmf. hu

In this work we will present a novel household waste management which involves traditional composting, special compost toilet and special sewage management with solar energy utilization.

The Basics of the Ecological Waste Management

The appropriate waste management is one of the most important enviromental problems. One kind of these problems is managing water-pollution and sewage. It is well known that the cleaning of diluted sewage is more difficult than that of the concentrated one. The further problem is the mixing of different dirts in water. The different sewage with different origins and with different dirts needs different cleaning mechanism, too. In spite of this fact canalization is not performed according to this idea. Instead of the large size waste management the effective solution should be small-size local management. The solution is partly the economical treatment of water and partly the selective sewage similar to the selective litter collection.

In this work we will present a new household waste management which involves traditional composting [1], special compost toilet [2] and special sewage management. One of the most important problems of the compost toilet is the size which is a very huge barrier of its wide-spreading. We introduced a small, simple and portable thing just two years ago. During this time we have not had negative experiences with the use of these things. This year an action has been started to collect further experiences concerning this toilet [2]. The basic part of this toilet is a commercial plastic tank. The complete equipment can be home-made very easily. So, in our case the household sewage contains only water from the kitchen and from the bath only. This water is collected into a large tank and cleaned biologically. The wasted water is circulated and aired with the help of electrical pumps. Solar cells supply the electrical energy for these pumps.