Full Record Display for the EPA National Library Catalog

RECORD NUMBER: 152 OF 873

OLS Field Name OLS Field Data
Main Title Control of 'Geotrichum candidum' in Biological Waste Treatment.
Author Poo, Calvin P. C. ; Bhayan, Kiran H. ; Wan, Kuang K. ;
CORP Author Rhode Island Univ., Kingston.
Year Published 1971
Report Number DI-14-31-0001-3240; OWRR-A-033-RI; 03177,; A-033-RI(2)
Stock Number PB-205 774
Additional Subjects ( Microorganism control(Sewage) ; Metals) ; ( Sewage treatment ; Microorganism control(Sewage)) ; ( Fungi ; Microorganism control(Sewage)) ; Metabolism ; Nutrients ; Enzymes ; Bacteria ; Zinc ; Chromium ; Copper ; Nickel ; Silver ; Toxicology ; Temperature ; Chlorides ; Geotrichum candidum
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
NTIS  PB-205 774 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/23/1988
Collation 33p
Abstract Enzyme inhibition of sewage microorganisms by heavy metals was studied. The degree of inhibition varied with metal and organism. The Michaelis-Mentan model was used to show that zinc, trivalent chromium, and copper were more toxic to sewage bacteria, whereas silver and nickel were more toxic to sewage fungus Geotrichum candidum. A competitive inhibition was detected for sewage bacteria, but the same metals showed a mixed non-competitive inhibition for Geotrichum candidum. The results imply that silver and nickel could make Geotrichum candidum more competitive in sewage than bacteria. Other conditions under which Geotrichum candidum can grow better than sewage bacteria include low temperature, high chloride content and the presence of asphalt photosensitization. (Author)
NTIS Title Notes Completion rept. Jul 69-Sep 71.
PUB Date Free Form Sep 71,
Category Codes 13B; 68D
NTIS Prices PC A03/MF A01
Document Type NT
Cataloging Source NTIS/MT
Control Number 326524391
Origin NTIS
Type CAT