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Aquatic Plants Aid Sewage FilterMethod of wastewater treatment combines micro-organisms and aquatic plant roots in filter bed. Treatment occurs as liquid flows up through system. Micro-organisms, attached themselves to rocky base material of filter, act in several steps to decompose organic matter in wastewater. Vascular aquatic plants (typically, reeds, rushes, cattails, or water hyacinths) absorb nitrogen, phosphorus, other nutrients, and heavy metals from water through finely divided roots.
Document ID
19840000095
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Wolverton, B. C.
Date Acquired
August 12, 2013
Publication Date
January 1, 1985
Publication Information
Publication: NASA Tech Briefs
Volume: 8
Issue: 3
ISSN: 0145-319X
Subject Category
Life Sciences
Report/Patent Number
MFS-25808
Accession Number
84B10095
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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