NASA REPORT | Interior Landscape Plants for Indoor Air Pollution Abatement


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Original Text

Interior Landscape Plants for Indoor Air Pollution Abatement

In this study, the leaves, roots, soil, and associated microorganisms of plants have been evaluated as a possible means of reducing indoor air pollutants. Additionally, a novel approach of using plant systems for removing high concentrations of indoor air pollutants such as cigarette smoke, organic solvents, and possibly radon has been designed from this work. This air filter design combines plants with an activated carbon filter. The rationale for this design, which evolved from wastewater treatment studies, is based on moving large volumes of contaminated air through an activated carbon bed where smoke, organic chemicals, pathogenic microorganisms (if present), and possibly radon are absorbed by the carbon filter. Plant roots and their associated microorganisms then destroy the pathogenic viruses, bacteria, and the organic chemicals, eventually converting all of these air pollutants into new plant tissue. It is believed that the decayed radon products would be taken up the plant roots and retained in the plant tissue.

Document ID 19930073077
Document Type Technical Memorandum (TM)
Authors
Wolverton, B. C. (NASA John C. Stennis Space Center Bay Saint Louis, MS, United States)
Johnson, Anne (NASA John C. Stennis Space Center Bay Saint Louis, MS, United States)
Bounds, Keith (Sverdrup Technology, Inc. Bay Saint Louis, MS., United States)
Date Acquired August 16, 2013
Publication Date September 15, 1989
Subject Category ENVIRONMENT POLLUTION
Report/Patent Number NASA-TM-101766 NAS 1.15:101766
Distribution Limits Public
Copyright Public Use Permitted.

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