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Title: Anaerobic microbial dissolution of lead and production of organic acids

Abstract

The present invention related to an anaerobic bacterial culture of Clostridium sp. ATCC No. 53464 which solubilizes lead oxide under anaerobic conditions in coal and industrial wastes and therefore presents a method of removing lead from such wastes before they are dumped into the environment. The rat of lead dissolution during logarithmic growth of the bacteria in 40 ml medium containing 3.32 ..mu..moles of lead as lead oxide was 0.042 ..mu..moles m1/sup /-/1/ hr/sup /-/1/. Dissolution of lead oxide by the bacterial isolate is due to the production of metabolites and acidity in the culture medium. The major metabolites are acetic, butyric and lactic acid. The major metabolites are acetic, butyric and lactic acid. Clostridium sp. ATCC No. 53464 can be used in the recovery of the strategic metals from ores and wastes and also for the production of lactic acid for commercial purposes. The process yields large quantities of lactic acid as well as lead complexed in a stable form with said acids. 4 figs., 3 tabs.

Inventors:
; ; ;
Issue Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
OSTI Identifier:
7048277
Patent Number(s):
6039131
Assignee:
TIC; EDB-88-177944
Patent Classifications (CPCs):
E - FIXED CONSTRUCTIONS E21 - EARTH DRILLING E21B - EARTH DRILLING, e.g. DEEP DRILLING
DOE Contract Number:  
AC02-76CH00016
Resource Type:
Patent
Resource Relation:
Other Information: Portions of this document are illegible in microfiche products
Country of Publication:
United States
Language:
English
Subject:
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; 59 BASIC BIOLOGICAL SCIENCES; INDUSTRIAL WASTES; ANAEROBIC DIGESTION; LEAD OXIDES; BIODEGRADATION; BIOLOGICAL ACCUMULATION; CHEMICAL REACTION YIELD; CLOSTRIDIUM; CULTURE MEDIA; INVENTIONS; RECOVERY; BACTERIA; BIOCONVERSION; CHALCOGENIDES; CHEMICAL REACTIONS; DECOMPOSITION; DIGESTION; LEAD COMPOUNDS; MANAGEMENT; MICROORGANISMS; OXIDES; OXYGEN COMPOUNDS; PROCESSING; WASTE MANAGEMENT; WASTE PROCESSING; WASTES; YIELDS; 320305* - Energy Conservation, Consumption, & Utilization- Industrial & Agricultural Processes- Industrial Waste Management; 550700 - Microbiology; 550500 - Metabolism

Citation Formats

Francis, A J, Dodge, C, Chendrayan, K, and Quinby, H L. Anaerobic microbial dissolution of lead and production of organic acids. United States: N. p., 1987. Web.
Francis, A J, Dodge, C, Chendrayan, K, & Quinby, H L. Anaerobic microbial dissolution of lead and production of organic acids. United States.
Francis, A J, Dodge, C, Chendrayan, K, and Quinby, H L. Thu . "Anaerobic microbial dissolution of lead and production of organic acids". United States.
@article{osti_7048277,
title = {Anaerobic microbial dissolution of lead and production of organic acids},
author = {Francis, A J and Dodge, C and Chendrayan, K and Quinby, H L},
abstractNote = {The present invention related to an anaerobic bacterial culture of Clostridium sp. ATCC No. 53464 which solubilizes lead oxide under anaerobic conditions in coal and industrial wastes and therefore presents a method of removing lead from such wastes before they are dumped into the environment. The rat of lead dissolution during logarithmic growth of the bacteria in 40 ml medium containing 3.32 ..mu..moles of lead as lead oxide was 0.042 ..mu..moles m1/sup /-/1/ hr/sup /-/1/. Dissolution of lead oxide by the bacterial isolate is due to the production of metabolites and acidity in the culture medium. The major metabolites are acetic, butyric and lactic acid. The major metabolites are acetic, butyric and lactic acid. Clostridium sp. ATCC No. 53464 can be used in the recovery of the strategic metals from ores and wastes and also for the production of lactic acid for commercial purposes. The process yields large quantities of lactic acid as well as lead complexed in a stable form with said acids. 4 figs., 3 tabs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1987},
month = {4}
}