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Appl Microbiol. 1975 Oct;30(4):704-6.

Bacteriological evaluation of an ultra-pure water-distilling system.

Abstract

A prototype distillation and storage system with recycle for producing ultrapure water was monitored for bacteriological contamination during a period of 24 months. Naturally occurring Pseudomonas aeruginosa and P. cepacia were found to grow rapidly to levels of about 10(5)/ml in water taken from the storage reservoir and also in commercially prepared distilled water. The system was found to eliminate bacterial contaminants introduced into the still with the feed water, but the reservoir, once contaminated, remained contaminated during prolonged recycle, After a single treatment with free chlorine, the entire system remained uncontaminated until accidental or purposeful shutdown.

PMID:
811168
[PubMed - indexed for MEDLINE]
PMCID:
PMC187253
Free PMC Article
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