高層堆積通気法による工業的培養 : (II)改良法について

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In the improved high-heap aeration procdess introduced here, the removal of metabolic heat evolved depends almost entirely upon the enthalpy difference between inlet and outlet air. Humidified air is supplied at a temperature, t_1,which is the lower limit allowable for the culture. The direction of air flow is change by revolving the damper automatically (or by hand) when the temperature of the leeward end of the heap is raised to a level, t_m, which is the upper limit allowable. Then the peak in the temperature-heap height curve moves gradually towards the opposite end of the heap. After the peak has reached the leeward end of the heap, the air flow direction is reversed again. Such an operation is repeated in order that the temperature peak reciprocates between the top and the bottom layers where the temperature fluctuates between t_1,and t_m. The temperature of intermediate layers can be controlled so as to be fluctuated between t'_m(<t_m) and t'_1 (>t_1) by regulating aeration rate automatically in response to the average temperature of intermediate layers.The interior of the incubator is furnished suitably according to the variety of cultures; in some instances baffle bars, netting racks as intermediate supporters, or flexible air chamvers attached to the inner wall of an incubator are necessary. Heap height can be attained to ca. 1.5m in ordinary cases.The process is effective in preventing local over-drying and in making the heap uniform.In our plan, the suitable industrial scale is presumed to be the heap volume of 2 to 10 m^3 per batch. This process is thought to be the most "intensive" one for solid cultures ever presented in the literatures.
公益社団法人日本生物工学会の論文
1958-03-15

高層堆積通気法による工業的培養 : (II)改良法について

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