直管内における微生物懸濁液の残余濃度曲線について(生物化学工学特集号-II 滅菌および培養工学)

概要

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Microbial cells of baker's yeast, bacterium and an actinomycete, labeled with ^<32>P and then suspended in tap water were used to study their residence-time characteristics in a straight pipe. A marked difference was noted in the laminar flow condition between the residence-time distribution of the bacterial suspension and that of an aqueous solution of ^<32>P.The aqueous solution of ^<32>P was used as a control. However, as the solution approached a transient condition, no distinctions could be found between the microbial suspensions and the ^<32>P solution in terms of their flow behavior; the residence-time distribution of microbes in the laminar flow could be represented by the velocity distribution model, whereas the diffusion model had to be applied in the transient region.This fact implies that any chemicals, for instance an electrolyte, can be used as a tracer material to study the flow behavior of a microbial suspension in a flow reactor, primarily because of the finding that the tracer material can represent exactly the behavior of a specific microbe in the flow system, except for laminar flow.
公益社団法人日本生物工学会の論文
1965-08-25