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Interior Landscape Plants for Indoor Air Pollution Abatement
NTRS Full-Text: Click to View  [PDF Size: 1.2 MB]
Author and Affiliation:
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)
Abstract: 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.
Publication Date: Sep 15, 1989
Document ID:
19930073077
(Acquired Dec 28, 1995)
Accession Number: 93N70524
Subject Category: ENVIRONMENT POLLUTION
Report/Patent Number: NASA-TM-101766, NAS 1.15:101766
Coverage: Final Report
Document Type: Technical Report
Publisher Information: United States
Financial Sponsor: NASA; United States
Organization Source: NASA Stennis Space Center; Stennis Space Center, MS, United States
Description: 30p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright; Distribution under U.S. Government purpose rights
NASA Terms: ACTIVATED CARBON; AIR FILTERS; INDOOR AIR POLLUTION; MICROORGANISMS; TREES (PLANTS); CONTAMINATION; LEAVES; PATHOGENS; PLANT ROOTS; RADON; SMOKE; SOILS; WASTE WATER
Miscellaneous Notes: Sponsored in cooperation with the Associated Landscape Contractors of America
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