Abstract:
In the present study are the main technologies that are suitable for small waste water treatment plant (facilities used for local capacity than isolated or individual households), options for beneficiaries in choosing types of plants and their reliability. The case study concerns a total of 360 small waste water treatment plant, located in its vicinity Stuttgart (Germany). It highlighted the share of different treatment technologies and operating and maintenance problems that occurred. Conclusions stemming relate to the proper way of operating such facilities, potential beneficiary of the interventions alone remove some damage or disruption in service, and the number of such damage according to the treatment technology adopted. As potential beneficiaries of small waste water treatment plant, may opt to choose an installation, in addition to the purchase price, and by operating and maintenance work to come. It noted that the beneficiaries of such plants are often placed in a position themselves to address specific interventions to avoid further damage to major damage.