Biomass growth restriction in a packed bed reactor

Details Biomass growth restriction in a packed bed reactor Biomass growth restriction in a packed bed reactor

1976-05-03

1978-11-28

Naff, David M.

Textiles: fiber preparation

195 2, 195 32, 195 57, 195 59, 195DIG11, 195117, 210 2, C12B 100, C12C 1108, C02C 114

Patent

active

041274474

ABSTRACT:
When carrying out continuous biologically catalyzed reactions with anaerobic microorganisms attached to a support in an upflow packed bed column, growth of the microorganisms is restricted to prevent the microorganisms from plugging the column by limiting the availability of an essential nutrient and/or by the presence of predatory protozoa which consume the anaerobic microorganisms. A membrane disruptive detergent may be provided in the column to lyse dead microorganisms to make them available as nutrients for live microorganisms.

REFERENCES:
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patent: 3886046 (1975-05-01), Young et al.
patent: 3935067 (1976-01-01), Thayer
patent: 4005010 (1977-01-01), Lunt
patent: 4009286 (1977-02-01), Moll et al.
Enzymes Technology, C & EN, 1975 (pp. 22-32).
Lawrence, et al., Unified Basis for Biological Treatment Design and Operation, Journal of the Sanitary Engineering Division, Jun. 1970, (pp. 757-778).
Swenson, et al., Evidence Relating Cessation of Respiration, Cell Envelope Changes and Death in Ultraviolet-Irradiated Escherichia coli B/r Cells, J. of Bact. vol. 117, No. 2, 1974 (pp. 551-559).
Schenley, et al., Centrifugal Separation of Irradiated Cultures of Escherichia coli Cells into Viable and Nonviable Populations, J. of Bact., vol. 126, No. 2, 1976 (pp. 977-984).

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