Investigations of cephalosporin C production in an airlift tower loop reactor View Full Text


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Article Info

DATE

1989-01

AUTHORS

T. Bayer, W. Zhou, K. Holzhauer, K. Schügerl

ABSTRACT

Cephalosporin C was produced by Cephalosporium acremonium in a 60 l airlift loop reactor on complex medium (with 30 kg/m3 peanut flour) in fed-batch operation. A final product concentration of 5 kg/m3 and a maximum productivity of 45 g/m3 h were attained. On-line analysis was used to determine ammonia, methionine, phosphate, reducing sugar and cephalosporin C by an autoanalyser, glucose by a flow injection analyser and cephalosporin C, penicillin N, deacetoxycephalosporin C, deacetylce-phalosporin C and methionine by HPLC. The volumetric productivity of the stirred tank reactor was higher than that of the airlift reactor because of differences in cell concentration. Specific productivities in relative to cell mass were similar in the two reactors. The substrate yield coefficient in the airlift reactor was twice that in the stirred tank reactor. More... »

PAGES

26-33

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf00255992

DOI

http://dx.doi.org/10.1007/bf00255992

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1024455663


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