Record Details

Use of Hydrogen Peroxide to Disinfect Hydroponic Plant Growth Systems
NTRS Full-Text: Click to View  [PDF Size: 336 KB]
Author and Affiliation:
Barta, Daniel J.(NASA Johnson Space Center, Houston, TX, United States);
Henderson, Keith(NASA Johnson Space Center, Houston, TX, United States)
Abstract: Hydrogen peroxide was studied as an alternative to conventional bleach and rinsing methods to disinfect hydroponic plant growth systems. A concentration of 0.5% hydrogen peroxide was found to be effective. Residual hydrogen peroxide can be removed from the system by repeated rinsing or by flowing the solution through a platinum on aluminum catalyst. Microbial populations were reduced to near zero immediately after treatment but returned to pre-disinfection levels 2 days after treatment. Treating nutrient solution with hydrogen peroxide and planting directly into trays being watered with the nutrient solution without replenishment, was found to be detrimental to lettuce germination and growth.
Publication Date: Aug 06, 2000
Document ID:
20100039590
(Acquired Nov 30, 2010)
Subject Category: LIFE SCIENCES (GENERAL)
Report/Patent Number: JSC-CN-6335
Document Type: Conference Paper
Meeting Information: 4th Annual Conference on Life Support and Biosphere Science; 6-9 Aug. 2000; Baltimore, MD; United States
Financial Sponsor: NASA Johnson Space Center; Houston, TX, United States
Organization Source: NASA Johnson Space Center; Houston, TX, United States
Description: 1p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: No Copyright
NASA Terms: ANTISEPTICS; HYDROGEN PEROXIDE; HYDROPONICS; PLANTING; VEGETATION GROWTH; ALUMINUM; BLEACHING; GERMINATION; MICROORGANISMS
Availability Notes: Abstract Only
› Back to Top
Facebook icon, External Link to NASA STI page on Facebook Twitter icon, External Link to NASA STI on Twitter YouTube icon, External Link to NASA STI Channel on YouTube RSS icon, External Link to New NASA STI RSS Feed
Find Similar Records
 
NASA Logo, External Link

NASA Official: Gerald Steeman

Sponsored By: NASA Scientific and Technical Information Program

Site Curator: STI Support Services

Last Modified: April 09, 2013

Privacy Policy & Important Notices Disclaimers, Copyright, Terms of Use Freedom of Information Act USA.gov NASA.gov NASA OCIO Free Adobe PDF Reader Free MS Word Viewer