Document Detail


Integration of crop production with CELSS waste management.
MedLine Citation:
PMID:  11542558     Owner:  NASA     Status:  MEDLINE    
Abstract/OtherAbstract:
Lettuce plants were grown utilizing water, inorganic elements, and CO2 inputs recovered from waste streams. The impact of these waste-derived inputs on the growth of lettuce was quantified and compared with results obtained when reagent grade inputs were used. Phytotoxicity was evident in both the untreated wastewater stream and the recovered CO2 stream. The toxicity of surfactants in wastewater was removed using several treatment systems. Harmful effects of gaseous products resulting from incineration of inedible biomass on crop growth were observed. No phytotoxicity was observed when inorganic elements recovered from incinerated biomass ash were used to prepare the hydroponic solution, but the balance of nutrients had to be modified to achieve near optimal growth. The results were used to evaluate closure potential of water and inorganic elemental loops for integrated plant growth and human requirements.
Authors:
K Wignarajah; D L Bubenheim
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Advances in space research : the official journal of the Committee on Space Research (COSPAR)     Volume:  20     ISSN:  0273-1177     ISO Abbreviation:  Adv Space Res     Publication Date:  1997  
Date Detail:
Created Date:  2000-02-23     Completed Date:  2000-02-23     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  9878935     Medline TA:  Adv Space Res     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  1833-43     Citation Subset:  S    
Affiliation:
Lockheed Martin Engineering and Science Corporation, NASA Ames Research Center, Moffett Field, CA 94035, USA.
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MeSH Terms
Descriptor/Qualifier:
Biomass
Bioreactors
Carbon Dioxide
Culture Media / chemistry,  toxicity
Detergents / analysis,  toxicity
Dose-Response Relationship, Drug
Ecological Systems, Closed*
Evaluation Studies as Topic
Humans
Incineration
Lettuce / drug effects,  growth & development*
Life Support Systems / instrumentation*
Surface-Active Agents / analysis,  toxicity*
Volatilization
Waste Disposal, Fluid / methods*
Waste Management / instrumentation,  methods*
Chemical
Reg. No./Substance:
0/Culture Media; 0/Detergents; 0/Surface-Active Agents; 124-38-9/Carbon Dioxide
Investigator
Investigator/Affiliation:
D L Bubenheim / ARC

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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