Experiences on hydraulic performance of sub-surface flow constructed wetlands

Dittrich, Erno (2006) Experiences on hydraulic performance of sub-surface flow constructed wetlands. Pollack Periodica, 1 (1). pp. 53-66. ISSN 1788-1994

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Abstract

In this article new result of international researches focused on the hydraulic behavior of the subsurface-flow constructed wetlands (SF-CW-s) for wastewater treatment are shown. The results presented below are focused on the tracer experiments to simulate transport processes, the effect of Total Suspended Solids (TSS) and organic substances loads, and the effect of macrophytes, meteorological conditions. The Hungarian experiences of constructed wetlands are compared to that of international ones and the main differences are discussed. The main considerations of comparison are: specific load of organic substances, specific load of TSS, specific hydraulic load, the type of soil, the pre-treatment systems, etc. The conclusion of this comparison is the main directions of development of the subsurface-flow constructed wetlands in Hungary.

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